From 065e8a4d8122d4616b570496915d2c0e2c78cd6b Mon Sep 17 00:00:00 2001 From: Eduardo Julian Date: Thu, 11 Aug 2022 04:15:07 -0400 Subject: Re-named the "case" macro to "when". --- stdlib/source/documentation/lux.lux | 1751 ++++++++++---------- .../documentation/lux/control/concatenative.lux | 3 - .../documentation/lux/control/function/mutual.lux | 8 +- stdlib/source/documentation/lux/control/pipe.lux | 13 +- .../source/documentation/lux/data/color/named.lux | 142 +- .../documentation/lux/data/text/encoding.lux | 322 ++-- .../source/documentation/lux/data/text/regex.lux | 2 +- .../documentation/lux/data/text/unicode/block.lux | 99 +- stdlib/source/documentation/lux/ffi.js.lux | 103 +- stdlib/source/documentation/lux/ffi.jvm.lux | 2 +- stdlib/source/documentation/lux/ffi.lua.lux | 47 +- stdlib/source/documentation/lux/ffi.old.lux | 423 ++--- stdlib/source/documentation/lux/ffi.py.lux | 85 +- stdlib/source/documentation/lux/ffi.rb.lux | 61 +- .../lux/meta/compiler/language/lux/analysis.lux | 2 +- .../lux/meta/compiler/language/lux/synthesis.lux | 2 +- .../documentation/lux/meta/target/python.lux | 39 +- .../documentation/lux/world/input/keyboard.lux | 38 +- stdlib/source/experiment/tool/interpreter.lux | 4 +- stdlib/source/format/lux/data/binary.lux | 8 +- stdlib/source/format/lux/data/text.lux | 2 +- stdlib/source/library/lux.lux | 376 ++--- stdlib/source/library/lux/abstract/comonad.lux | 16 +- stdlib/source/library/lux/abstract/functor.lux | 2 +- stdlib/source/library/lux/abstract/monad.lux | 28 +- stdlib/source/library/lux/abstract/monad/free.lux | 8 +- .../source/library/lux/abstract/monad/indexed.lux | 6 +- .../source/library/lux/control/concatenative.lux | 10 - .../library/lux/control/concurrency/actor.lux | 12 +- .../library/lux/control/concurrency/async.lux | 6 +- .../source/library/lux/control/concurrency/frp.lux | 26 +- .../library/lux/control/concurrency/semaphore.lux | 2 +- 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.../lux/phase/generation/common_lisp/structure.lux | 2 +- .../lux/phase/generation/common_lisp/when.lux | 263 +++ .../language/lux/phase/generation/extension.lux | 2 +- .../compiler/language/lux/phase/generation/js.lux | 16 +- .../language/lux/phase/generation/js/case.lux | 346 ---- .../language/lux/phase/generation/js/function.lux | 8 +- .../language/lux/phase/generation/js/loop.lux | 12 +- .../language/lux/phase/generation/js/runtime.lux | 2 +- .../language/lux/phase/generation/js/structure.lux | 2 +- .../language/lux/phase/generation/js/when.lux | 346 ++++ .../compiler/language/lux/phase/generation/jvm.lux | 18 +- .../language/lux/phase/generation/jvm/case.lux | 327 ---- .../language/lux/phase/generation/jvm/debug.lux | 2 +- .../language/lux/phase/generation/jvm/function.lux | 4 +- .../phase/generation/jvm/function/method/apply.lux | 2 +- .../language/lux/phase/generation/jvm/host.lux | 8 +- .../language/lux/phase/generation/jvm/loop.lux | 2 +- .../lux/phase/generation/jvm/primitive.lux | 8 +- .../lux/phase/generation/jvm/reference.lux | 4 +- .../language/lux/phase/generation/jvm/runtime.lux | 16 +- .../lux/phase/generation/jvm/structure.lux | 8 +- .../language/lux/phase/generation/jvm/when.lux | 327 ++++ .../compiler/language/lux/phase/generation/lua.lux | 16 +- .../language/lux/phase/generation/lua/case.lux | 304 ---- .../language/lux/phase/generation/lua/function.lux | 8 +- .../language/lux/phase/generation/lua/loop.lux | 14 +- .../language/lux/phase/generation/lua/runtime.lux | 2 +- .../lux/phase/generation/lua/structure.lux | 2 +- .../language/lux/phase/generation/lua/when.lux | 304 ++++ .../compiler/language/lux/phase/generation/php.lux | 22 +- .../language/lux/phase/generation/php/case.lux | 297 ---- .../language/lux/phase/generation/php/function.lux | 8 +- .../language/lux/phase/generation/php/loop.lux | 16 +- .../language/lux/phase/generation/php/runtime.lux | 4 +- .../lux/phase/generation/php/structure.lux | 2 +- .../language/lux/phase/generation/php/when.lux | 297 ++++ .../language/lux/phase/generation/python.lux | 14 +- .../language/lux/phase/generation/python/case.lux | 362 ---- .../lux/phase/generation/python/function.lux | 8 +- .../language/lux/phase/generation/python/loop.lux | 18 +- .../lux/phase/generation/python/runtime.lux | 2 +- .../lux/phase/generation/python/structure.lux | 2 +- .../language/lux/phase/generation/python/when.lux | 362 ++++ .../compiler/language/lux/phase/generation/r.lux | 12 +- .../language/lux/phase/generation/r/case.lux | 242 --- .../language/lux/phase/generation/r/function.lux | 10 +- .../language/lux/phase/generation/r/loop.lux | 8 +- .../lux/phase/generation/r/procedure/common.lux | 6 +- .../lux/phase/generation/r/procedure/host.lux | 6 +- .../language/lux/phase/generation/r/runtime.lux | 2 +- .../language/lux/phase/generation/r/structure.lux | 2 +- .../language/lux/phase/generation/r/when.lux | 242 +++ .../language/lux/phase/generation/reference.lux | 4 +- .../language/lux/phase/generation/ruby.lux | 14 +- .../language/lux/phase/generation/ruby/case.lux | 382 ----- .../lux/phase/generation/ruby/function.lux | 10 +- .../language/lux/phase/generation/ruby/loop.lux | 12 +- .../language/lux/phase/generation/ruby/runtime.lux | 16 +- .../lux/phase/generation/ruby/structure.lux | 2 +- .../language/lux/phase/generation/ruby/when.lux | 382 +++++ .../language/lux/phase/generation/scheme.lux | 12 +- .../language/lux/phase/generation/scheme/case.lux | 225 --- .../lux/phase/generation/scheme/function.lux | 8 +- .../language/lux/phase/generation/scheme/loop.lux | 8 +- .../lux/phase/generation/scheme/runtime.lux | 2 +- .../lux/phase/generation/scheme/structure.lux | 2 +- .../language/lux/phase/generation/scheme/when.lux | 225 +++ .../meta/compiler/language/lux/phase/synthesis.lux | 14 +- .../compiler/language/lux/phase/synthesis/case.lux | 467 ------ .../language/lux/phase/synthesis/function.lux | 42 +- .../compiler/language/lux/phase/synthesis/loop.lux | 22 +- .../language/lux/phase/synthesis/variable.lux | 56 +- .../compiler/language/lux/phase/synthesis/when.lux | 471 ++++++ .../lux/meta/compiler/language/lux/program.lux | 2 +- .../lux/meta/compiler/language/lux/syntax.lux | 12 +- .../lux/meta/compiler/language/lux/synthesis.lux | 64 +- .../compiler/language/lux/synthesis/access.lux | 2 +- .../compiler/language/lux/synthesis/simple.lux | 6 +- .../library/lux/meta/compiler/meta/archive.lux | 18 +- .../compiler/meta/archive/artifact/category.lux | 2 +- .../compiler/meta/archive/module/descriptor.lux | 2 +- .../lux/meta/compiler/meta/archive/registry.lux | 8 +- .../compiler/meta/cache/dependency/artifact.lux | 26 +- .../meta/compiler/meta/cache/dependency/module.lux | 2 +- .../lux/meta/compiler/meta/cache/module.lux | 4 +- .../source/library/lux/meta/compiler/meta/cli.lux | 2 +- .../library/lux/meta/compiler/meta/import.lux | 4 +- .../library/lux/meta/compiler/meta/io/archive.lux | 12 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.../source/test/lux/control/concurrency/async.lux | 8 +- stdlib/source/test/lux/control/concurrency/frp.lux | 12 +- .../test/lux/control/concurrency/semaphore.lux | 10 +- stdlib/source/test/lux/control/continuation.lux | 2 +- stdlib/source/test/lux/control/exception.lux | 14 +- .../source/test/lux/control/function/contract.lux | 4 +- stdlib/source/test/lux/control/function/memo.lux | 4 +- stdlib/source/test/lux/control/function/mixin.lux | 10 +- stdlib/source/test/lux/control/function/mutual.lux | 8 +- .../source/test/lux/control/function/predicate.lux | 4 +- stdlib/source/test/lux/control/maybe.lux | 2 +- stdlib/source/test/lux/control/parser.lux | 12 +- stdlib/source/test/lux/control/pipe.lux | 13 +- stdlib/source/test/lux/control/region.lux | 6 +- stdlib/source/test/lux/control/remember.lux | 14 +- stdlib/source/test/lux/control/try.lux | 6 +- stdlib/source/test/lux/data/binary.lux | 24 +- stdlib/source/test/lux/data/collection/array.lux | 20 +- stdlib/source/test/lux/data/collection/bits.lux | 2 +- .../source/test/lux/data/collection/dictionary.lux | 24 +- .../lux/data/collection/dictionary/ordered.lux | 8 +- stdlib/source/test/lux/data/collection/list.lux | 18 +- stdlib/source/test/lux/data/collection/queue.lux | 4 +- .../test/lux/data/collection/queue/priority.lux | 4 +- .../source/test/lux/data/collection/sequence.lux | 6 +- .../test/lux/data/collection/set/ordered.lux | 4 +- stdlib/source/test/lux/data/collection/stack.lux | 6 +- stdlib/source/test/lux/data/collection/tree.lux | 2 +- .../test/lux/data/collection/tree/finger.lux | 6 +- stdlib/source/test/lux/data/format/json.lux | 10 +- stdlib/source/test/lux/data/format/tar.lux | 38 +- stdlib/source/test/lux/data/format/xml.lux | 2 +- stdlib/source/test/lux/data/sum.lux | 8 +- stdlib/source/test/lux/data/text.lux | 20 +- stdlib/source/test/lux/data/text/escape.lux | 10 +- stdlib/source/test/lux/data/text/regex.lux | 12 +- stdlib/source/test/lux/debug.lux | 6 +- stdlib/source/test/lux/documentation.lux | 2 +- stdlib/source/test/lux/ffi.jvm.lux | 26 +- stdlib/source/test/lux/ffi.lua.lux | 2 +- stdlib/source/test/lux/ffi.old.lux | 12 +- stdlib/source/test/lux/math/logic/fuzzy.lux | 4 +- stdlib/source/test/lux/math/modular.lux | 6 +- stdlib/source/test/lux/math/modulus.lux | 6 +- stdlib/source/test/lux/math/number.lux | 6 +- stdlib/source/test/lux/math/number/i64.lux | 4 +- stdlib/source/test/lux/math/number/ratio.lux | 4 +- stdlib/source/test/lux/meta.lux | 10 +- stdlib/source/test/lux/meta/code.lux | 8 +- .../lux/meta/compiler/language/lux/analysis.lux | 62 +- .../compiler/language/lux/analysis/coverage.lux | 26 +- .../compiler/language/lux/analysis/inference.lux | 6 +- .../meta/compiler/language/lux/analysis/macro.lux | 6 +- .../meta/compiler/language/lux/analysis/module.lux | 22 +- .../compiler/language/lux/analysis/pattern.lux | 8 +- .../meta/compiler/language/lux/analysis/scope.lux | 4 +- .../meta/compiler/language/lux/analysis/type.lux | 12 +- .../meta/compiler/language/lux/phase/analysis.lux | 72 +- .../compiler/language/lux/phase/analysis/case.lux | 637 ------- .../language/lux/phase/analysis/complex.lux | 32 +- .../language/lux/phase/analysis/function.lux | 14 +- .../language/lux/phase/analysis/reference.lux | 12 +- .../language/lux/phase/analysis/simple.lux | 10 +- .../compiler/language/lux/phase/analysis/when.lux | 637 +++++++ .../meta/compiler/language/lux/phase/extension.lux | 10 +- .../language/lux/phase/extension/analysis/lux.lux | 2 +- .../compiler/language/lux/phase/synthesis/case.lux | 360 ---- .../language/lux/phase/synthesis/function.lux | 22 +- .../compiler/language/lux/phase/synthesis/loop.lux | 8 +- .../language/lux/phase/synthesis/primitive.lux | 4 +- .../language/lux/phase/synthesis/structure.lux | 4 +- .../language/lux/phase/synthesis/variable.lux | 14 +- .../compiler/language/lux/phase/synthesis/when.lux | 360 ++++ .../test/lux/meta/compiler/language/lux/syntax.lux | 8 +- .../lux/meta/compiler/language/lux/synthesis.lux | 2 +- .../source/test/lux/meta/compiler/meta/archive.lux | 2 +- .../meta/compiler/meta/archive/module/document.lux | 10 +- .../lux/meta/compiler/meta/archive/registry.lux | 12 +- .../source/test/lux/meta/compiler/meta/cache.lux | 2 +- .../test/lux/meta/compiler/meta/cache/artifact.lux | 4 +- .../test/lux/meta/compiler/meta/cache/module.lux | 4 +- .../test/lux/meta/compiler/meta/cache/purge.lux | 2 +- stdlib/source/test/lux/meta/compiler/meta/cli.lux | 6 +- .../source/test/lux/meta/compiler/meta/export.lux | 4 +- stdlib/source/test/lux/meta/compiler/phase.lux | 20 +- stdlib/source/test/lux/meta/compiler/reference.lux | 8 +- .../test/lux/meta/compiler/reference/variable.lux | 2 +- stdlib/source/test/lux/meta/configuration.lux | 4 +- stdlib/source/test/lux/meta/macro.lux | 10 +- stdlib/source/test/lux/meta/macro/local.lux | 2 +- stdlib/source/test/lux/meta/macro/pattern.lux | 18 +- stdlib/source/test/lux/meta/macro/syntax/check.lux | 2 +- .../test/lux/meta/macro/syntax/declaration.lux | 2 +- .../test/lux/meta/macro/syntax/definition.lux | 6 +- .../source/test/lux/meta/macro/syntax/export.lux | 2 +- stdlib/source/test/lux/meta/macro/syntax/input.lux | 2 +- stdlib/source/test/lux/meta/macro/template.lux | 10 +- stdlib/source/test/lux/meta/static.lux | 8 +- stdlib/source/test/lux/meta/target/js.lux | 18 +- stdlib/source/test/lux/meta/target/jvm.lux | 12 +- stdlib/source/test/lux/meta/target/lua.lux | 12 +- stdlib/source/test/lux/meta/target/python.lux | 10 +- stdlib/source/test/lux/meta/target/ruby.lux | 10 +- stdlib/source/test/lux/meta/type.lux | 16 +- stdlib/source/test/lux/meta/type/check.lux | 48 +- stdlib/source/test/lux/meta/type/dynamic.lux | 6 +- stdlib/source/test/lux/meta/type/refinement.lux | 2 +- stdlib/source/test/lux/meta/type/resource.lux | 2 +- stdlib/source/test/lux/meta/version.lux | 2 +- stdlib/source/test/lux/program.lux | 4 +- stdlib/source/test/lux/world/environment.lux | 4 +- stdlib/source/test/lux/world/file.lux | 40 +- stdlib/source/test/lux/world/file/watch.lux | 12 +- stdlib/source/test/lux/world/net/http/client.lux | 4 +- stdlib/source/test/lux/world/shell.lux | 4 +- stdlib/source/test/lux/world/time.lux | 8 +- stdlib/source/test/lux/world/time/date.lux | 4 +- stdlib/source/test/lux/world/time/day.lux | 4 +- stdlib/source/test/lux/world/time/instant.lux | 2 +- stdlib/source/test/lux/world/time/month.lux | 4 +- stdlib/source/test/lux/world/time/year.lux | 6 +- stdlib/source/unsafe/lux/data/collection/array.lux | 6 +- 498 files changed, 9123 insertions(+), 8959 deletions(-) delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/when.lux delete mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/case.lux create mode 100644 stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/when.lux delete mode 100644 stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/case.lux create mode 100644 stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/when.lux delete mode 100644 stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/case.lux create mode 100644 stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/when.lux (limited to 'stdlib/source') diff --git a/stdlib/source/documentation/lux.lux b/stdlib/source/documentation/lux.lux index 68491c807..21b90e2a6 100644 --- a/stdlib/source/documentation/lux.lux +++ b/stdlib/source/documentation/lux.lux @@ -27,876 +27,895 @@ ["[1][0]" test] ["[1][0]" world]]) -(`` (def .public documentation - (List $.Documentation) - (list.partial ($.module /._ - "") - - ($.definition /.prelude - (format "The name of the prelude module" - \n "Value: " (%.text /.prelude))) - - ($.definition /.Any - (format "The type of things whose type is irrelevant." - \n "It can be used to write functions or data-structures that can take, or return, anything.")) - - ($.definition /.Nothing - (format "The type of things whose type is undefined." - \n "Useful for expressions that cause errors or other 'extraordinary' conditions.")) - - ($.definition (/.List item) - "A potentially empty list of values.") - - ($.definition /.Bit - "Your standard, run-of-the-mill boolean values (as #0 or #1 bits).") - - ($.definition (/.I64 kind) - "64-bit integers without any semantics.") - - ($.definition /.Nat - (format "Natural numbers (unsigned integers)." - \n "They start at zero (0) and extend in the positive direction.")) +(def sub_modules + (List $.Documentation) + (all list#composite + /abstract.documentation + /control.documentation + /data.documentation + /debug.documentation + /documentation.documentation + /ffi.documentation + /math.documentation + /meta.documentation + /program.documentation + /test.documentation + /world.documentation + )) - ($.definition /.Int - "Your standard, run-of-the-mill integer numbers.") +(def all/1-4 + (List $.Documentation) + (list ($.definition /.prelude + (format "The name of the prelude module" + \n "Value: " (%.text /.prelude))) - ($.definition /.Rev - (format "Fractional numbers that live in the interval [0,1)." - \n "Useful for probability, and other domains that work within that interval.")) + ($.definition /.Any + (format "The type of things whose type is irrelevant." + \n "It can be used to write functions or data-structures that can take, or return, anything.")) - ($.definition /.Frac - "Your standard, run-of-the-mill floating-point (fractional) numbers.") + ($.definition /.Nothing + (format "The type of things whose type is undefined." + \n "Useful for expressions that cause errors or other 'extraordinary' conditions.")) - ($.definition /.Text - "Your standard, run-of-the-mill string values.") - - ($.definition /.Symbol - (format "A name for a Lux definition." - \n "It includes the module of provenance.")) - - ($.definition (/.Maybe value) - "A potentially missing value.") - - ($.definition /.Type - "This type represents the data-structures that are used to specify types themselves.") - - ($.definition /.Location - "Locations are for specifying the location of Code nodes in Lux files during compilation.") - - ($.definition (/.Ann meta_data datum) - "The type of things that can be annotated with meta-data of arbitrary types.") - - ($.definition /.Code - "The type of Code nodes for Lux syntax.") - - ($.definition /.private - "The export policy for private/local definitions.") - - ($.definition /.local - "The export policy for private/local definitions.") - - ($.definition /.public - "The export policy for public/global definitions.") - - ($.definition /.global - "The export policy for public/global definitions.") - - ($.definition /.Definition - "Represents all the data associated with a definition: its type, its annotations, and its value.") - - ($.definition /.Global - "Represents all the data associated with a global constant.") - - ($.definition (/.Either left right) - "A choice between two values of different types.") - - ($.definition /.Module - "All the information contained within a Lux module.") - - ($.definition /.Mode - "A sign that shows the conditions under which the compiler is running.") - - ($.definition /.Info - "Information about the current version and type of compiler that is running.") - - ($.definition /.Lux - (format "Represents the state of the Lux compiler during a run." - \n "It is provided to macros during their invocation, so they can access compiler data." - \n "Caveat emptor: Avoid fiddling with it, unless you know what you're doing.")) - - ($.definition (/.Meta it) - (format "Computations that can have access to the state of the compiler." - \n "These computations may fail, or modify the state of the compiler.")) - - ($.definition /.Macro - "Functions that run at compile-time and allow you to transform and extend the language in powerful ways.") - - ($.definition /.comment - (format "Throws away any code given to it." - \n "Great for commenting-out code, while retaining syntax high-lighting and formatting in your text editor.") - [(comment - (def (this will not) - (Be Defined) - (because it will be (commented out))))]) - - ($.definition /.All - "Universal quantification." - [(All (_ a) - (-> a a))] - ["A name can be provided, to specify a recursive type." - (All (List a) - (Or Any - [a (List a)]))]) - - ($.definition /.Ex - "Existential quantification." - [(Ex (_ a) - [(Codec Text a) a])] - ["A name can be provided, to specify a recursive type." - (Ex (Self a) - [(Codec Text a) - a - (List (Self a))])]) - - ($.definition /.-> - "Function types." - ["This is the type of a function that takes 2 Ints and returns an Int." - (-> Int Int Int)]) - - ($.definition /.list - "List literals." - [(is (List Nat) - (list 0 1 2 3))]) - - ($.definition /.Union - "Union types." - [(Union Bit Nat Text)] - [(= Nothing - (Union))]) - - ($.definition /.Tuple - "Tuple types." - [(Tuple Bit Nat Text)] - [(= Any - (Tuple))]) - - ($.definition /.Or - "An alias for the Union type constructor." - [(= (Union Bit Nat Text) - (Or Bit Nat Text))] - [(= (Union) - (Or))]) - - ($.definition /.And - "An alias for the Tuple type constructor." - [(= (Tuple Bit Nat Text) - (And Bit Nat Text))] - [(= (Tuple) - (And))]) - - ($.definition /.left - "Left-association for the application of binary functions over variadic arguments." - [(left text#composite "Hello, " name ". How are you?") - "=>" - (text#composite (text#composite "Hello, " name) ". How are you?")]) - - ($.definition /.all - "Right-association for the application of binary functions over variadic arguments." - [(all text#composite "Hello, " name ". How are you?") - "=>" - (text#composite "Hello, " (text#composite name ". How are you?"))]) - - ($.definition /.if - "Picks which expression to evaluate based on a bit test value." - [(if #1 - "Oh, yeah!" - "Aw hell naw!") - "=>" - "Oh, yeah!"] - [(if #0 - "Oh, yeah!" - "Aw hell naw!") - "=>" - "Aw hell naw!"]) - - ($.definition /.Primitive - "Macro to treat define new primitive types." - [(Primitive "java.lang.Object")] - [(Primitive "java.util.List" [(Primitive "java.lang.Long")])]) - - ($.definition /.` - (format "Hygienic quasi-quotation as a macro." - \n "Unquote (,) and unquote-splice (,*) must also be used as forms." - \n "All unprefixed macros will receive their parent module's prefix if imported; otherwise will receive the prefix of the module on which the quasi-quote is being used.") - [(` (def (, name) - (function ((,' _) (,* args)) - (, body))))]) - - ($.definition /.`' - (format "Unhygienic quasi-quotation as a macro." - \n "Unquote (,) and unquote-splice (,*) must also be used as forms.") - [(`' (def (, name) - (function (_ (,* args)) - (, body))))]) - - ($.definition /.' - "Quotation as a macro." - [(' YOLO)]) - - ($.definition /.|> - "Piping macro." - [(|> elems - (list#each int#encoded) - (interposed " ") - (mix text#composite "")) - "=>" - (mix text#composite "" - (interposed " " - (list#each int#encoded - elems)))]) - - ($.definition /.<| - "Reverse piping macro." - [(<| (mix text#composite "") - (interposed " ") - (list#each int#encoded) - elems) - "=>" - (mix text#composite "" - (interposed " " - (list#each int#encoded - elems)))]) - - ($.definition /.template - "" - ["By specifying a pattern (with holes), and the input data to fill those holes, repeats the pattern as many times as necessary." - (with_template [ ] - [(def .public - (-> Int Int) - (+ ))] - - [++ +1] - [-- -1] - )]) - - ($.definition /.not - "Bit negation." - [(not #1) - "=>" - #0] - [(not #0) - "=>" - #1]) - - ($.definition /.type - "Takes a type expression and returns its representation as data-structure." - [(type_literal (All (_ a) - (Maybe (List a))))]) - - ($.definition /.is - "The type-annotation macro." - [(is (List Int) - (list +1 +2 +3))]) - - ($.definition /.as - "The type-coercion macro." - [(as Dinosaur - (list +1 +2 +3))]) - - ($.definition /.Rec - "Parameter-less recursive types." - ["A name has to be given to the whole type, to use it within its body." - (Rec Int_List - (Or Any - [Int Int_List]))] - ["Can also be used with type and labelled-type definitions." - (type Type - (Rec @ - (Variant - {#Primitive Text (List @)} - {#Sum @ @} - {#Product @ @} - {#Function @ @} - {#Parameter Nat} - {#Var Nat} - {#Ex Nat} - {#UnivQ (List @) @} - {#ExQ (List @) @} - {#Apply @ @} - {#Named Symbol @})))]) - - ($.definition /.exec - "Sequential execution of expressions (great for side-effects)." - [(exec - (log! "#1") - (log! "#2") - (log! "#3") - "YOLO")]) - - ($.definition /.case - (format "The pattern-matching macro." - \n "Allows the usage of macros within the patterns to provide custom syntax.") - [(case (is (List Int) - (list +1 +2 +3)) - {#Item x {#Item y {#Item z {#End}}}} - {#Some (all * x y z)} - - _ - {#None})]) - - ($.definition /.pattern - (format "Macro-expanding patterns." - \n "It's a special macro meant to be used with 'case'.") - [(case (is (List Int) - (list +1 +2 +3)) - (list x y z) - {#Some (all * x y z)} - - _ - {#None})]) - - ... ($.definition /.^or - ... (format "Or-patterns." - ... \n "It's a special macro meant to be used with 'case'.") - ... [(type Weekday - ... (Variant - ... {#Monday} - ... {#Tuesday} - ... {#Wednesday} - ... {#Thursday} - ... {#Friday} - ... {#Saturday} - ... {#Sunday})) - - ... (def (weekend? day) - ... (-> Weekday Bit) - ... (case day - ... (^or {#Saturday} {#Sunday}) - ... true - - ... _ - ... false))]) - - ($.definition /.let - (format "Creates local bindings." - \n "Can (optionally) use pattern-matching macros when binding.") - [(let [x (foo bar) - y (baz quux)] - (op x y))]) - - ($.definition /.function - "Syntax for creating functions." - [(is (All (_ a b) - (-> a b a)) - (function (_ x y) - x))] - ["Allows for giving the function itself a name, for the sake of recursion." - (is (-> Nat Nat) - (function (factorial n) - (case n - 0 1 - _ (* n (factorial (-- n))))))]) - - ($.definition /.def - "Defines global constants/functions." - [(def branching_exponent - Int - +5)] - ["The type is optional." - (def branching_exponent - +5)] - [(def (pair_list pair) - (-> [Code Code] (List Code)) - (let [[left right] pair] - (list left right)))] - ["Can pattern-match on the inputs to functions." - (def (pair_list [left right]) - (-> [Code Code] (List Code)) - (list left right))]) - - ($.definition /.macro - "Macro-definition macro." - [(def .public symbol - (macro (_ tokens) - (case tokens - (^with_template [] - [(list [_ { [module name]}]) - (in (list (` [(, (text$ module)) (, (text$ name))])))]) - ([#Symbol]) - - _ - (failure "Wrong syntax for symbol"))))]) - - ($.definition /.and - "Short-circuiting 'and'." - [(and #1 #0) - "=>" - #0] - [(and #1 #1) - "=>" - #1]) - - ($.definition /.or - "Short-circuiting 'or'." - [(or #1 #0) - "=>" - #1] - [(or #0 #0) - "=>" - #0]) - - ($.definition /.panic! - "Causes an error, with the given error message." - [(panic! "OH NO!")]) - - ($.definition /.implementation - "Express a value that implements an interface." - [(is (Order Int) - (implementation - (def equivalence - equivalence) - (def (< reference subject) - (< reference subject)) - ))]) - - ($.definition /.Variant - (format "Syntax for defining labelled/tagged sum/union types." - \n "WARNING: Only use it within the type macro.") - [(type Referrals - (Variant - {#All} - {#Only (List Text)} - {#Exclude (List Text)} - {#Ignore} - {#Nothing}))]) - - ($.definition /.Record - (format "Syntax for defining labelled/slotted product/tuple types." - \n "WARNING: Only use it within the type macro.") - [(type Refer - (Record - [#refer_defs Referrals - #refer_open (List Openings)]))]) - - ($.definition /.type - "The type-definition macro." - [(type (List a) - {#End} - {#Item a (List a)})]) - - ($.definition /.Interface - "Interface definition." - [(type .public (Order a) - (Interface - (is (Equivalence a) - equivalence) - (is (-> a a Bit) - <)))]) - - (,, (with_template [] - [($.definition - "Safe type-casting for I64 values.")] - - [/.i64] - [/.nat] - [/.int] - [/.rev] - )) - - ($.definition /.module_separator - (format "Character used to separate the parts of module names." - \n "Value: " (%.text /.module_separator))) - - ($.definition /.open - (format "Same as the 'open' macro, but meant to be used as a pattern-matching macro for generating local bindings." - \n "Takes an 'alias' text for the generated local bindings.") - [(def .public (range enum from to) - (All (_ a) (-> (Enum a) a a (List a))) - (let [(open "[0]") enum] - (loop (again [end to - output {.#End}]) - (cond (< end from) - (again (pred end) {.#Item end output}) - - (< from end) - (again (succ end) {.#Item end output}) - - ... (= end from) - {.#Item end output}))))]) - - ($.definition /.cond - "Conditional branching with multiple test conditions." - [(cond (even? num) "WHEN even" - (odd? num) "WHEN odd" - "ELSE")]) - - ($.definition /.the - "Accesses the value of a record at a given tag." - [(the #field my_record)] - ["Can also work with multiple levels of nesting." - (the [#foo #bar #baz] my_record)] - ["And, if only the slot/path is given, generates an accessor function." - (let [getter (the [#foo #bar #baz])] - (getter my_record))]) - - ($.definition /.use - "Opens a implementation and generates a definition for each of its members (including nested members)." - [(use "i:[0]" order) - "=>" - (def i:= (at order =)) - (def i:< (at order <))]) - - ($.definition /.|>> - "Similar to the piping macro, but rather than taking an initial object to work on, creates a function for taking it." - [(|>> (list#each int#encoded) - (interposed " ") - (mix text#composite "")) - "=>" - (function (_ ) - (mix text#composite "" - (interposed " " - (list#each int#encoded ))))]) - - ($.definition /.<<| - "Similar to the reverse piping macro, but rather than taking an initial object to work on, creates a function for taking it." - [(<<| (mix text#composite "") - (interposed " ") - (list#each int#encoded)) - "=>" - (function (_ ) - (mix text#composite "" - (interposed " " - (list#each int#encoded - ))))]) - - ($.definition /.require - "Module-definition macro." - [(.require - [lux (.except) - [control - ["M" monad (.except)]] - [data - maybe - ["[0]" name (.use "[1]#[0]" codec)]] - [macro - code]] - [// - [type (.use "[0]" equivalence)]])]) - - ($.definition /.at - "Allows accessing the value of a implementation's member." - [(at codec encoded)] - ["Also allows using that value as a function." - (at codec encoded +123)]) - - ($.definition /.has - "Sets the value of a record at a given tag." - [(has #name "Lux" lang)] - ["Can also work with multiple levels of nesting." - (has [#foo #bar #baz] value my_record)] - ["And, if only the slot/path and (optionally) the value are given, generates a mutator function." - (let [setter (has [#foo #bar #baz] value)] - (setter my_record)) - (let [setter (has [#foo #bar #baz])] - (setter value my_record))]) - - ($.definition /.revised - "Modifies the value of a record at a given tag, based on some function." - [(revised #age ++ person)] - ["Can also work with multiple levels of nesting." - (revised [#foo #bar #baz] func my_record)] - ["And, if only the slot/path and (optionally) the value are given, generates a mutator function." - (let [updater (revised [#foo #bar #baz] func)] - (updater my_record)) - (let [updater (revised [#foo #bar #baz])] - (updater func my_record))]) - - ... ($.definition /.^template - ... "It's similar to template, but meant to be used during pattern-matching." - ... [(def (reduced env type) - ... (-> (List Type) Type Type) - ... (case type - ... {.#Primitive name params} - ... {.#Primitive name (list#each (reduced env) params)} - - ... (^with_template [] - ... [{ left right} - ... { (reduced env left) (reduced env right)}]) - ... ([.#Sum] [.#Product]) - - ... (^with_template [] - ... [{ left right} - ... { (reduced env left) (reduced env right)}]) - ... ([.#Function] [.#Apply]) - - ... (^with_template [] - ... [{ old_env def} - ... (case old_env - ... {.#End} - ... { env def} - - ... _ - ... type)]) - ... ([.#UnivQ] [.#ExQ]) - - ... {.#Parameter idx} - ... (else type (list.item idx env)) - - ... _ - ... type - ... ))]) - - (,, (with_template [ ] - [($.definition - )] - - [/.++ "Increment function."] - [/.-- "Decrement function."] - )) - - ($.definition /.loop - (format "Allows arbitrary looping, using the 'again' form to re-start the loop." - \n "Can be used in monadic code to create monadic loops.") - [(loop (again [count +0 - x init]) - (if (< +10 count) - (again (++ count) (f x)) - x))] - ["Loops can also be given custom names." - (loop (my_loop [count +0 - x init]) - (if (< +10 count) - (my_loop (++ count) (f x)) - x))]) - - ($.definition /.with_expansions - (format "Controlled macro-expansion." - \n "Bind an arbitraty number of Code nodes resulting from macro-expansion to local bindings." - \n "Wherever a binding appears, the bound Code nodes will be spliced in there.") - [(def test - Test - (with_expansions - [ (with_template [ ] - [(cover [] - (compare - (at codec encoded )))] - - [bit #1 "#1"] - [int +123 "+123"] - [frac +123.0 "+123.0"] - [text "123" "'123'"] - [symbol ["yolo" "lol"] "yolo.lol"] - [form (list (bit #1)) "(#1)"] - [tuple (list (bit #1)) "[#1]"] - )] - (all and - - )))]) - - ($.definition /.static - (format "Resolves the names of definitions to their values at compile-time, assuming their values are either:" - \n "* Bit" - \n "* Nat" - \n "* Int" - \n "* Rev" - \n "* Frac" - \n "* Text") - [(def my_nat 123) - (def my_text "456") - (and (case [my_nat my_text] - (static [..my_nat ..my_text]) - true - - _ - false) - (case [my_nat my_text] - [(static ..my_nat) (static ..my_text)] - true - - _ - false))]) - - ... ($.definition /.^multi - ... (format "Multi-level pattern matching." - ... \n "Useful in situations where the result of a branch depends on further refinements on the values being matched.") - ... [(case (split (size static) uri) - ... (^multi {#Some [chunk uri']} - ... [(text#= static chunk) .true]) - ... (match_uri endpoint? parts' uri') - - ... _ - ... {#Left (format "Static part " (%t static) " does not match URI: " uri)})] - ... ["Short-cuts can be taken when using bit tests." - ... "The example above can be rewritten as..." - ... (case (split (size static) uri) - ... (^multi {#Some [chunk uri']} - ... (text#= static chunk)) - ... (match_uri endpoint? parts' uri') - - ... _ - ... {#Left (format "Static part " (%t static) " does not match URI: " uri)})]) - - ($.definition /.symbol - "Gives back a 2 tuple with the module and name parts, both as Text." - [(symbol ..#doc) - "=>" - ["documentation/lux" "#doc"]]) - - ($.definition /.parameter - (format "WARNING: Please stay away from this macro; it's very likely to be removed in a future version of Lux." - "Allows you to refer to the type-variables in a polymorphic function's type, by their index.") - ["In the example below, 0 corresponds to the 'a' variable." - (def .public (of_list list) - (All (_ a) (-> (List a) (Sequence a))) - (list#mix add - (is (Sequence (parameter 0)) - empty) - list))]) - - ($.definition /.same? - "Tests whether the 2 values are identical (not just 'equal')." - ["This one should succeed:" - (let [value +5] - (same? value - value))] - ["This one should fail:" - (same? +5 - (+ +2 +3))]) - - ... ($.definition /.^let - ... "Allows you to simultaneously bind and de-structure a value." - ... [(def (hash (^let set [member_hash _])) - ... (list#mix (function (_ elem acc) - ... (+ acc - ... (at member_hash hash elem))) - ... 0 - ... (set.list set)))]) - - ... ($.definition /.^|> - ... "Pipes the value being pattern-matched against prior to binding it to a variable." - ... [(case input - ... (^|> value [++ (% 10) (max 1)]) - ... (foo value))]) - - ($.definition /.as_expected - "Coerces the given expression to the type of whatever is expected." - [(is Dinosaur - (as_expected (is (List Nat) - (list 1 2 3))))]) - - ($.definition /.undefined - (format "Meant to be used as a stand-in for functions with undefined implementations." - \n "Undefined expressions will type-check against everything, so they make good dummy implementations." - \n "However, if an undefined expression is ever evaluated, it will raise a runtime error.") - [(def (square x) - (-> Int Int) - (undefined))]) - - ($.definition /.type_of - "Generates the type corresponding to a given expression." - [(let [my_num +123] - (type_of my_num)) - "==" - Int] - [(type_of +123) - "==" - Int]) - - ($.definition /.template - (format "Define macros in the style of with_template." - \n "For simple macros that do not need any fancy features.") - [(def square - (template (square x) - (* x x)))]) - - ($.definition /.these - (format "Given a (potentially empty) list of codes, just returns them immediately, without any work done." - \n "This may seen useless, but it has its utility when dealing with controlled-macro-expansion macros.") - [(with_expansions [ (these 1 - 2 - 3 - 4)] - (all + ))]) - - ($.definition /.char - "If given a 1-character text literal, yields the char-code of the sole character." - [(is Nat - (char "A")) - "=>" - 65]) - - ($.definition /.for - (format "Selects the appropriate code for a given target-platform when compiling Lux to it." - \n "Look-up the available targets in library/lux/target.") - [(def js - "JavaScript") - - (for "JVM" (do jvm stuff) - js (do js stuff) - (do default stuff))]) - - ($.definition /.`` - (format "Delimits a controlled (spliced) macro-expansion." - \n "Uses a (,,) special form to specify where to expand.") - [(`` (some expression - (,, (some macro which may yield 0 or more results))))]) - - ... ($.definition /.^code - ... "Generates pattern-matching code for Code values in a way that looks like code-templating." - ... [(is (Maybe Nat) - ... (case (` (#0 123 +456.789)) - ... (^code (#0 (, [_ {.#Nat number}]) +456.789)) - ... {.#Some number} - - ... _ - ... {.#None}))]) - - ($.definition /.false - "The boolean FALSE value.") - - ($.definition /.true - "The boolean TRUE value.") - - ($.definition /.try - "" - [(is Foo - (case (is (Either Text Bar) - (try (is Bar - (risky computation which may panic)))) - {.#Right success} - (is Foo - (do something after success)) - - {.#Left error} - (is Foo - (recover from error))))]) - - ($.definition (/.Code' w)) - ($.definition /.Alias) - ($.definition (/.Bindings key value)) - ($.definition /.Ref) - ($.definition /.Scope) - ($.definition /.Source) - ($.definition /.Module_State) - ($.definition /.Type_Context) - ($.definition /.Macro') - ($.definition /.Label) - ($.definition /.macro) - - (all list#composite - /abstract.documentation - /control.documentation - /data.documentation - /debug.documentation - /documentation.documentation - /ffi.documentation - /math.documentation - /meta.documentation - /program.documentation - /test.documentation - /world.documentation - ) - ))) + ($.definition (/.List item) + "A potentially empty list of values.") + + ($.definition /.Bit + "Your standard, run-of-the-mill boolean values (as #0 or #1 bits).") + + ($.definition (/.I64 kind) + "64-bit integers without any semantics.") + + ($.definition /.Nat + (format "Natural numbers (unsigned integers)." + \n "They start at zero (0) and extend in the positive direction.")) + + ($.definition /.Int + "Your standard, run-of-the-mill integer numbers.") + + ($.definition /.Rev + (format "Fractional numbers that live in the interval [0,1)." + \n "Useful for probability, and other domains that work within that interval.")) + + ($.definition /.Frac + "Your standard, run-of-the-mill floating-point (fractional) numbers.") + + ($.definition /.Text + "Your standard, run-of-the-mill string values.") + + ($.definition /.Symbol + (format "A name for a Lux definition." + \n "It includes the module of provenance.")) + + ($.definition (/.Maybe value) + "A potentially missing value.") + + ($.definition /.Type + "This type represents the data-structures that are used to specify types themselves.") + + ($.definition /.Location + "Locations are for specifying the location of Code nodes in Lux files during compilation.") + + ($.definition (/.Ann meta_data datum) + "The type of things that can be annotated with meta-data of arbitrary types.") + + ($.definition /.Code + "The type of Code nodes for Lux syntax.") + + ($.definition /.private + "The export policy for private/local definitions.") + + ($.definition /.local + "The export policy for private/local definitions.") + + ($.definition /.public + "The export policy for public/global definitions.") + + ($.definition /.global + "The export policy for public/global definitions.") + + ($.definition /.Definition + "Represents all the data associated with a definition: its type, its annotations, and its value.") + + ($.definition /.Global + "Represents all the data associated with a global constant.") + + ($.definition (/.Either left right) + "A choice between two values of different types.") + + ($.definition /.Module + "All the information contained within a Lux module.") + + ($.definition /.Mode + "A sign that shows the conditions under which the compiler is running.") + + ($.definition /.Info + "Information about the current version and type of compiler that is running.") + + ($.definition /.Lux + (format "Represents the state of the Lux compiler during a run." + \n "It is provided to macros during their invocation, so they can access compiler data." + \n "Caveat emptor: Avoid fiddling with it, unless you know what you're doing.")) + + ($.definition (/.Meta it) + (format "Computations that can have access to the state of the compiler." + \n "These computations may fail, or modify the state of the compiler.")) + + ($.definition /.Macro + "Functions that run at compile-time and allow you to transform and extend the language in powerful ways.") + + ($.definition /.comment + (format "Throws away any code given to it." + \n "Great for commenting-out code, while retaining syntax high-lighting and formatting in your text editor.") + [(comment + (def (this will not) + (Be Defined) + (because it will be (commented out))))]) + + ($.definition /.All + "Universal quantification." + [(All (_ a) + (-> a a))] + ["A name can be provided, to specify a recursive type." + (All (List a) + (Or Any + [a (List a)]))]) + + ($.definition /.Ex + "Existential quantification." + [(Ex (_ a) + [(Codec Text a) a])] + ["A name can be provided, to specify a recursive type." + (Ex (Self a) + [(Codec Text a) + a + (List (Self a))])]) + )) + +(def all/2-4 + (List $.Documentation) + (list ($.definition /.-> + "Function types." + ["This is the type of a function that takes 2 Ints and returns an Int." + (-> Int Int Int)]) + + ($.definition /.list + "List literals." + [(is (List Nat) + (list 0 1 2 3))]) + + ($.definition /.Union + "Union types." + [(Union Bit Nat Text)] + [(= Nothing + (Union))]) + + ($.definition /.Tuple + "Tuple types." + [(Tuple Bit Nat Text)] + [(= Any + (Tuple))]) + + ($.definition /.Or + "An alias for the Union type constructor." + [(= (Union Bit Nat Text) + (Or Bit Nat Text))] + [(= (Union) + (Or))]) + + ($.definition /.And + "An alias for the Tuple type constructor." + [(= (Tuple Bit Nat Text) + (And Bit Nat Text))] + [(= (Tuple) + (And))]) + + ($.definition /.left + "Left-association for the application of binary functions over variadic arguments." + [(left text#composite "Hello, " name ". How are you?") + "=>" + (text#composite (text#composite "Hello, " name) ". How are you?")]) + + ($.definition /.all + "Right-association for the application of binary functions over variadic arguments." + [(all text#composite "Hello, " name ". How are you?") + "=>" + (text#composite "Hello, " (text#composite name ". How are you?"))]) + + ($.definition /.if + "Picks which expression to evaluate based on a bit test value." + [(if #1 + "Oh, yeah!" + "Aw hell naw!") + "=>" + "Oh, yeah!"] + [(if #0 + "Oh, yeah!" + "Aw hell naw!") + "=>" + "Aw hell naw!"]) + + ($.definition /.Primitive + "Macro to treat define new primitive types." + [(Primitive "java.lang.Object")] + [(Primitive "java.util.List" [(Primitive "java.lang.Long")])]) + + ($.definition /.` + (format "Hygienic quasi-quotation as a macro." + \n "Unquote (,) and unquote-splice (,*) must also be used as forms." + \n "All unprefixed macros will receive their parent module's prefix if imported; otherwise will receive the prefix of the module on which the quasi-quote is being used.") + [(` (def (, name) + (function ((,' _) (,* args)) + (, body))))]) + + ($.definition /.`' + (format "Unhygienic quasi-quotation as a macro." + \n "Unquote (,) and unquote-splice (,*) must also be used as forms.") + [(`' (def (, name) + (function (_ (,* args)) + (, body))))]) + + ($.definition /.' + "Quotation as a macro." + [(' YOLO)]) + + ($.definition /.|> + "Piping macro." + [(|> elems + (list#each int#encoded) + (interposed " ") + (mix text#composite "")) + "=>" + (mix text#composite "" + (interposed " " + (list#each int#encoded + elems)))]) + + ($.definition /.<| + "Reverse piping macro." + [(<| (mix text#composite "") + (interposed " ") + (list#each int#encoded) + elems) + "=>" + (mix text#composite "" + (interposed " " + (list#each int#encoded + elems)))]) + + ($.definition /.template + "" + ["By specifying a pattern (with holes), and the input data to fill those holes, repeats the pattern as many times as necessary." + (with_template [ ] + [(def .public + (-> Int Int) + (+ ))] + + [++ +1] + [-- -1] + )]) + )) + +(`` (def all/3-4 + (List $.Documentation) + (list ($.definition /.not + "Bit negation." + [(not #1) + "=>" + #0] + [(not #0) + "=>" + #1]) + + ($.definition /.type + "Takes a type expression and returns its representation as data-structure." + [(type_literal (All (_ a) + (Maybe (List a))))]) + + ($.definition /.is + "The type-annotation macro." + [(is (List Int) + (list +1 +2 +3))]) + + ($.definition /.as + "The type-coercion macro." + [(as Dinosaur + (list +1 +2 +3))]) + + ($.definition /.Rec + "Parameter-less recursive types." + ["A name has to be given to the whole type, to use it within its body." + (Rec Int_List + (Or Any + [Int Int_List]))] + ["Can also be used with type and labelled-type definitions." + (type Type + (Rec @ + (Variant + {#Primitive Text (List @)} + {#Sum @ @} + {#Product @ @} + {#Function @ @} + {#Parameter Nat} + {#Var Nat} + {#Ex Nat} + {#UnivQ (List @) @} + {#ExQ (List @) @} + {#Apply @ @} + {#Named Symbol @})))]) + + ($.definition /.exec + "Sequential execution of expressions (great for side-effects)." + [(exec + (log! "#1") + (log! "#2") + (log! "#3") + "YOLO")]) + + ($.definition /.when + (format "The pattern-matching macro." + \n "Allows the usage of macros within the patterns to provide custom syntax.") + [(when (is (List Int) + (list +1 +2 +3)) + {#Item x {#Item y {#Item z {#End}}}} + {#Some (all * x y z)} + + _ + {#None})]) + + ($.definition /.pattern + (format "Macro-expanding patterns." + \n "It's a special macro meant to be used with 'when'.") + [(when (is (List Int) + (list +1 +2 +3)) + (list x y z) + {#Some (all * x y z)} + + _ + {#None})]) + + ... ($.definition /.^or + ... (format "Or-patterns." + ... \n "It's a special macro meant to be used with 'when'.") + ... [(type Weekday + ... (Variant + ... {#Monday} + ... {#Tuesday} + ... {#Wednesday} + ... {#Thursday} + ... {#Friday} + ... {#Saturday} + ... {#Sunday})) + + ... (def (weekend? day) + ... (-> Weekday Bit) + ... (when day + ... (^or {#Saturday} {#Sunday}) + ... true + + ... _ + ... false))]) + + ($.definition /.let + (format "Creates local bindings." + \n "Can (optionally) use pattern-matching macros when binding.") + [(let [x (foo bar) + y (baz quux)] + (op x y))]) + + ($.definition /.function + "Syntax for creating functions." + [(is (All (_ a b) + (-> a b a)) + (function (_ x y) + x))] + ["Allows for giving the function itself a name, for the sake of recursion." + (is (-> Nat Nat) + (function (factorial n) + (when n + 0 1 + _ (* n (factorial (-- n))))))]) + + ($.definition /.def + "Defines global constants/functions." + [(def branching_exponent + Int + +5)] + ["The type is optional." + (def branching_exponent + +5)] + [(def (pair_list pair) + (-> [Code Code] (List Code)) + (let [[left right] pair] + (list left right)))] + ["Can pattern-match on the inputs to functions." + (def (pair_list [left right]) + (-> [Code Code] (List Code)) + (list left right))]) + + ($.definition /.macro + "Macro-definition macro." + [(def .public symbol + (macro (_ tokens) + (when tokens + (^with_template [] + [(list [_ { [module name]}]) + (in (list (` [(, (text$ module)) (, (text$ name))])))]) + ([#Symbol]) + + _ + (failure "Wrong syntax for symbol"))))]) + + ($.definition /.and + "Short-circuiting 'and'." + [(and #1 #0) + "=>" + #0] + [(and #1 #1) + "=>" + #1]) + + ($.definition /.or + "Short-circuiting 'or'." + [(or #1 #0) + "=>" + #1] + [(or #0 #0) + "=>" + #0]) + + ($.definition /.panic! + "Causes an error, with the given error message." + [(panic! "OH NO!")]) + + ($.definition /.implementation + "Express a value that implements an interface." + [(is (Order Int) + (implementation + (def equivalence + equivalence) + (def (< reference subject) + (< reference subject)) + ))]) + + ($.definition /.Variant + (format "Syntax for defining labelled/tagged sum/union types." + \n "WARNING: Only use it within the type macro.") + [(type Referrals + (Variant + {#All} + {#Only (List Text)} + {#Exclude (List Text)} + {#Ignore} + {#Nothing}))]) + + ($.definition /.Record + (format "Syntax for defining labelled/slotted product/tuple types." + \n "WARNING: Only use it within the type macro.") + [(type Refer + (Record + [#refer_defs Referrals + #refer_open (List Openings)]))]) + + ($.definition /.type + "The type-definition macro." + [(type (List a) + {#End} + {#Item a (List a)})]) + + ($.definition /.Interface + "Interface definition." + [(type .public (Order a) + (Interface + (is (Equivalence a) + equivalence) + (is (-> a a Bit) + <)))]) + + (,, (with_template [] + [($.definition + "Safe type-casting for I64 values.")] + + [/.i64] + [/.nat] + [/.int] + [/.rev] + )) + + ($.definition /.module_separator + (format "Character used to separate the parts of module names." + \n "Value: " (%.text /.module_separator))) + + ($.definition /.open + (format "Same as the 'open' macro, but meant to be used as a pattern-matching macro for generating local bindings." + \n "Takes an 'alias' text for the generated local bindings.") + [(def .public (range enum from to) + (All (_ a) (-> (Enum a) a a (List a))) + (let [(open "[0]") enum] + (loop (again [end to + output {.#End}]) + (cond (< end from) + (again (pred end) {.#Item end output}) + + (< from end) + (again (succ end) {.#Item end output}) + + ... (= end from) + {.#Item end output}))))]) + + ($.definition /.cond + "Conditional branching with multiple test conditions." + [(cond (even? num) "WHEN even" + (odd? num) "WHEN odd" + "ELSE")]) + + ($.definition /.the + "Accesses the value of a record at a given tag." + [(the #field my_record)] + ["Can also work with multiple levels of nesting." + (the [#foo #bar #baz] my_record)] + ["And, if only the slot/path is given, generates an accessor function." + (let [getter (the [#foo #bar #baz])] + (getter my_record))]) + + ($.definition /.use + "Opens a implementation and generates a definition for each of its members (including nested members)." + [(use "i:[0]" order) + "=>" + (def i:= (at order =)) + (def i:< (at order <))]) + + ($.definition /.|>> + "Similar to the piping macro, but rather than taking an initial object to work on, creates a function for taking it." + [(|>> (list#each int#encoded) + (interposed " ") + (mix text#composite "")) + "=>" + (function (_ ) + (mix text#composite "" + (interposed " " + (list#each int#encoded ))))]) + + ($.definition /.<<| + "Similar to the reverse piping macro, but rather than taking an initial object to work on, creates a function for taking it." + [(<<| (mix text#composite "") + (interposed " ") + (list#each int#encoded)) + "=>" + (function (_ ) + (mix text#composite "" + (interposed " " + (list#each int#encoded + ))))]) + + ($.definition /.require + "Module-definition macro." + [(.require + [lux (.except) + [control + ["M" monad (.except)]] + [data + maybe + ["[0]" name (.use "[1]#[0]" codec)]] + [macro + code]] + [// + [type (.use "[0]" equivalence)]])]) + + ($.definition /.at + "Allows accessing the value of a implementation's member." + [(at codec encoded)] + ["Also allows using that value as a function." + (at codec encoded +123)]) + + ($.definition /.has + "Sets the value of a record at a given tag." + [(has #name "Lux" lang)] + ["Can also work with multiple levels of nesting." + (has [#foo #bar #baz] value my_record)] + ["And, if only the slot/path and (optionally) the value are given, generates a mutator function." + (let [setter (has [#foo #bar #baz] value)] + (setter my_record)) + (let [setter (has [#foo #bar #baz])] + (setter value my_record))]) + ))) + +(`` (def all/4-4 + (List $.Documentation) + (list ($.definition /.revised + "Modifies the value of a record at a given tag, based on some function." + [(revised #age ++ person)] + ["Can also work with multiple levels of nesting." + (revised [#foo #bar #baz] func my_record)] + ["And, if only the slot/path and (optionally) the value are given, generates a mutator function." + (let [updater (revised [#foo #bar #baz] func)] + (updater my_record)) + (let [updater (revised [#foo #bar #baz])] + (updater func my_record))]) + + ... ($.definition /.^template + ... "It's similar to template, but meant to be used during pattern-matching." + ... [(def (reduced env type) + ... (-> (List Type) Type Type) + ... (when type + ... {.#Primitive name params} + ... {.#Primitive name (list#each (reduced env) params)} + + ... (^with_template [] + ... [{ left right} + ... { (reduced env left) (reduced env right)}]) + ... ([.#Sum] [.#Product]) + + ... (^with_template [] + ... [{ left right} + ... { (reduced env left) (reduced env right)}]) + ... ([.#Function] [.#Apply]) + + ... (^with_template [] + ... [{ old_env def} + ... (when old_env + ... {.#End} + ... { env def} + + ... _ + ... type)]) + ... ([.#UnivQ] [.#ExQ]) + + ... {.#Parameter idx} + ... (else type (list.item idx env)) + + ... _ + ... type + ... ))]) + + (,, (with_template [ ] + [($.definition + )] + + [/.++ "Increment function."] + [/.-- "Decrement function."] + )) + + ($.definition /.loop + (format "Allows arbitrary looping, using the 'again' form to re-start the loop." + \n "Can be used in monadic code to create monadic loops.") + [(loop (again [count +0 + x init]) + (if (< +10 count) + (again (++ count) (f x)) + x))] + ["Loops can also be given custom names." + (loop (my_loop [count +0 + x init]) + (if (< +10 count) + (my_loop (++ count) (f x)) + x))]) + + ($.definition /.with_expansions + (format "Controlled macro-expansion." + \n "Bind an arbitraty number of Code nodes resulting from macro-expansion to local bindings." + \n "Wherever a binding appears, the bound Code nodes will be spliced in there.") + [(def test + Test + (with_expansions + [ (with_template [ ] + [(cover [] + (compare + (at codec encoded )))] + + [bit #1 "#1"] + [int +123 "+123"] + [frac +123.0 "+123.0"] + [text "123" "'123'"] + [symbol ["yolo" "lol"] "yolo.lol"] + [form (list (bit #1)) "(#1)"] + [tuple (list (bit #1)) "[#1]"] + )] + (all and + + )))]) + + ($.definition /.static + (format "Resolves the names of definitions to their values at compile-time, assuming their values are either:" + \n "* Bit" + \n "* Nat" + \n "* Int" + \n "* Rev" + \n "* Frac" + \n "* Text") + [(def my_nat 123) + (def my_text "456") + (and (when [my_nat my_text] + (static [..my_nat ..my_text]) + true + + _ + false) + (when [my_nat my_text] + [(static ..my_nat) (static ..my_text)] + true + + _ + false))]) + + ... ($.definition /.^multi + ... (format "Multi-level pattern matching." + ... \n "Useful in situations where the result of a branch depends on further refinements on the values being matched.") + ... [(when (split (size static) uri) + ... (^multi {#Some [chunk uri']} + ... [(text#= static chunk) .true]) + ... (match_uri endpoint? parts' uri') + + ... _ + ... {#Left (format "Static part " (%t static) " does not match URI: " uri)})] + ... ["Short-cuts can be taken when using bit tests." + ... "The example above can be rewritten as..." + ... (when (split (size static) uri) + ... (^multi {#Some [chunk uri']} + ... (text#= static chunk)) + ... (match_uri endpoint? parts' uri') + + ... _ + ... {#Left (format "Static part " (%t static) " does not match URI: " uri)})]) + + ($.definition /.symbol + "Gives back a 2 tuple with the module and name parts, both as Text." + [(symbol ..#doc) + "=>" + ["documentation/lux" "#doc"]]) + + ($.definition /.parameter + (format "WARNING: Please stay away from this macro; it's very likely to be removed in a future version of Lux." + "Allows you to refer to the type-variables in a polymorphic function's type, by their index.") + ["In the example below, 0 corresponds to the 'a' variable." + (def .public (of_list list) + (All (_ a) (-> (List a) (Sequence a))) + (list#mix add + (is (Sequence (parameter 0)) + empty) + list))]) + + ($.definition /.same? + "Tests whether the 2 values are identical (not just 'equal')." + ["This one should succeed:" + (let [value +5] + (same? value + value))] + ["This one should fail:" + (same? +5 + (+ +2 +3))]) + + ... ($.definition /.^let + ... "Allows you to simultaneously bind and de-structure a value." + ... [(def (hash (^let set [member_hash _])) + ... (list#mix (function (_ elem acc) + ... (+ acc + ... (at member_hash hash elem))) + ... 0 + ... (set.list set)))]) + + ... ($.definition /.^|> + ... "Pipes the value being pattern-matched against prior to binding it to a variable." + ... [(when input + ... (^|> value [++ (% 10) (max 1)]) + ... (foo value))]) + + ($.definition /.as_expected + "Coerces the given expression to the type of whatever is expected." + [(is Dinosaur + (as_expected (is (List Nat) + (list 1 2 3))))]) + + ($.definition /.undefined + (format "Meant to be used as a stand-in for functions with undefined implementations." + \n "Undefined expressions will type-check against everything, so they make good dummy implementations." + \n "However, if an undefined expression is ever evaluated, it will raise a runtime error.") + [(def (square x) + (-> Int Int) + (undefined))]) + + ($.definition /.type_of + "Generates the type corresponding to a given expression." + [(let [my_num +123] + (type_of my_num)) + "==" + Int] + [(type_of +123) + "==" + Int]) + + ($.definition /.template + (format "Define macros in the style of with_template." + \n "For simple macros that do not need any fancy features.") + [(def square + (template (square x) + (* x x)))]) + + ($.definition /.these + (format "Given a (potentially empty) list of codes, just returns them immediately, without any work done." + \n "This may seen useless, but it has its utility when dealing with controlled-macro-expansion macros.") + [(with_expansions [ (these 1 + 2 + 3 + 4)] + (all + ))]) + + ($.definition /.char + "If given a 1-character text literal, yields the char-code of the sole character." + [(is Nat + (char "A")) + "=>" + 65]) + + ($.definition /.for + (format "Selects the appropriate code for a given target-platform when compiling Lux to it." + \n "Look-up the available targets in library/lux/target.") + [(def js + "JavaScript") + + (for "JVM" (do jvm stuff) + js (do js stuff) + (do default stuff))]) + + ($.definition /.`` + (format "Delimits a controlled (spliced) macro-expansion." + \n "Uses a (,,) special form to specify where to expand.") + [(`` (some expression + (,, (some macro which may yield 0 or more results))))]) + + ... ($.definition /.^code + ... "Generates pattern-matching code for Code values in a way that looks like code-templating." + ... [(is (Maybe Nat) + ... (when (` (#0 123 +456.789)) + ... (^code (#0 (, [_ {.#Nat number}]) +456.789)) + ... {.#Some number} + + ... _ + ... {.#None}))]) + + ($.definition /.false + "The boolean FALSE value.") + + ($.definition /.true + "The boolean TRUE value.") + + ($.definition /.try + "" + [(is Foo + (when (is (Either Text Bar) + (try (is Bar + (risky computation which may panic)))) + {.#Right success} + (is Foo + (do something after success)) + + {.#Left error} + (is Foo + (recover from error))))]) + + ($.definition (/.Code' w)) + ($.definition /.Alias) + ($.definition (/.Bindings key value)) + ($.definition /.Ref) + ($.definition /.Scope) + ($.definition /.Source) + ($.definition /.Module_State) + ($.definition /.Type_Context) + ($.definition /.Macro') + ($.definition /.Label) + ($.definition /.macro) + ))) + +(def .public documentation + (List $.Documentation) + (all list#composite + all/1-4 + all/2-4 + all/3-4 + all/4-4 + + ..sub_modules + )) (def _ (program inputs diff --git a/stdlib/source/documentation/lux/control/concatenative.lux b/stdlib/source/documentation/lux/control/concatenative.lux index 1a1f06dfa..6c8b17adf 100644 --- a/stdlib/source/documentation/lux/control/concatenative.lux +++ b/stdlib/source/documentation/lux/control/concatenative.lux @@ -189,9 +189,6 @@ partial call)))]) - ($.definition /.when - "Only execute the block when #1.") - ($.definition /.? "Choose the top value when #0 and the second-to-top when #1.") ))) diff --git a/stdlib/source/documentation/lux/control/function/mutual.lux b/stdlib/source/documentation/lux/control/function/mutual.lux index 9a6930379..58fb34b97 100644 --- a/stdlib/source/documentation/lux/control/function/mutual.lux +++ b/stdlib/source/documentation/lux/control/function/mutual.lux @@ -17,13 +17,13 @@ "Locally-defined mutually-recursive functions." [(let [(even? number) (-> Nat Bit) - (case number + (when number 0 true _ (odd? (-- number))) (odd? number) (-> Nat Bit) - (case number + (when number 0 false _ (even? (-- number)))] (and (even? 4) @@ -34,13 +34,13 @@ [(def [.public (even? number) (-> Nat Bit) - (case number + (when number 0 true _ (odd? (-- number)))] [.public (odd? number) (-> Nat Bit) - (case number + (when number 0 false _ (even? (-- number)))])]) )) diff --git a/stdlib/source/documentation/lux/control/pipe.lux b/stdlib/source/documentation/lux/control/pipe.lux index 50d232154..ff4d7a4fb 100644 --- a/stdlib/source/documentation/lux/control/pipe.lux +++ b/stdlib/source/documentation/lux/control/pipe.lux @@ -45,15 +45,6 @@ [(new "even" [])] [(new "odd" [])])))]) - ($.definition /.when - "Only execute the body when the test passes." - [(same? (if (n.even? sample) - (n.* 2 sample) - sample) - (|> sample - (when [n.even?] - [(n.* 2)])))]) - ($.definition /.while (format "While loops for pipes." \n "Both the testing and calculating steps are pipes and must be given inside tuples.") @@ -87,11 +78,11 @@ "=>" [+50 +2 "+5"]]) - ($.definition /.case + ($.definition /.when (format "Pattern-matching for pipes." \n "The bodies of each branch are NOT pipes; just regular values.") [(|> +5 - (case + (when +0 "zero" +1 "one" +2 "two" diff --git a/stdlib/source/documentation/lux/data/color/named.lux b/stdlib/source/documentation/lux/data/color/named.lux index 4ed4c3324..5e884b82c 100644 --- a/stdlib/source/documentation/lux/data/color/named.lux +++ b/stdlib/source/documentation/lux/data/color/named.lux @@ -4,7 +4,9 @@ ["$" documentation] [data ["[0]" text (.only) - ["%" \\format (.only format)]]] + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" monoid)]]] [math [number ["[0]" nat (.use "hex#[0]" hex)]]]]] @@ -12,41 +14,21 @@ ["[0]" / (.only) ["/[1]" //]]]) -(`` (def .public documentation - (List $.Documentation) - (list ($.module /._ - "") +(def description + (template (_ ) + [($.definition + (let [[red green blue] (//.rgb ) + [_ name] (symbol )] + (format "R:" (hex#encoded red) + " G:" (hex#encoded green) + " B:" (hex#encoded blue) + " | " (text.replaced "_" " " name))))])) - (,, (with_template [] - [($.definition - (let [[red green blue] (//.rgb ) - [_ name] (symbol )] - (format "R:" (hex#encoded red) - " G:" (hex#encoded green) - " B:" (hex#encoded blue) - " | " (text.replaced "_" " " name))))] +(`` (def colors/d-k + (List $.Documentation) + (list (,, (with_template [] + [(description )] - [/.alice_blue] - [/.antique_white] - [/.aqua] - [/.aquamarine] - [/.azure] - [/.beige] - [/.bisque] - [/.black] - [/.blanched_almond] - [/.blue] - [/.blue_violet] - [/.brown] - [/.burly_wood] - [/.cadet_blue] - [/.chartreuse] - [/.chocolate] - [/.coral] - [/.cornflower_blue] - [/.cornsilk] - [/.crimson] - [/.cyan] [/.dark_blue] [/.dark_cyan] [/.dark_goldenrod] @@ -85,6 +67,14 @@ [/.indigo] [/.ivory] [/.khaki] + )) + ))) + +(`` (def colors/l-o + (List $.Documentation) + (list (,, (with_template [] + [(description )] + [/.lavender] [/.lavender_blush] [/.lawn_green] @@ -128,6 +118,14 @@ [/.orange] [/.orange_red] [/.orchid] + )) + ))) + +(`` (def colors/p-y + (List $.Documentation) + (list (,, (with_template [] + [(description )] + [/.pale_goldenrod] [/.pale_green] [/.pale_turquoise] @@ -169,3 +167,79 @@ [/.yellow_green] )) ))) + +(`` (def .public documentation + (List $.Documentation) + (list.partial ($.module /._ + "") + + (,, (with_template [] + [(description )] + + [/.alice_blue] + [/.antique_white] + [/.aqua] + [/.aquamarine] + [/.azure] + [/.beige] + [/.bisque] + [/.black] + [/.blanched_almond] + [/.blue] + [/.blue_violet] + [/.brown] + [/.burly_wood] + [/.cadet_blue] + [/.chartreuse] + [/.chocolate] + [/.coral] + [/.cornflower_blue] + [/.cornsilk] + [/.crimson] + [/.cyan] + [/.dark_blue] + [/.dark_cyan] + [/.dark_goldenrod] + [/.dark_gray] + [/.dark_green] + [/.dark_khaki] + [/.dark_magenta] + [/.dark_olive_green] + [/.dark_orange] + [/.dark_orchid] + [/.dark_red] + [/.dark_salmon] + [/.dark_sea_green] + [/.dark_slate_blue] + [/.dark_slate_gray] + [/.dark_turquoise] + [/.dark_violet] + [/.deep_pink] + [/.deep_sky_blue] + [/.dim_gray] + [/.dodger_blue] + [/.fire_brick] + [/.floral_white] + [/.forest_green] + [/.fuchsia] + [/.gainsboro] + [/.ghost_white] + [/.gold] + [/.goldenrod] + [/.gray] + [/.green] + [/.green_yellow] + [/.honey_dew] + [/.hot_pink] + [/.indian_red] + [/.indigo] + [/.ivory] + [/.khaki] + )) + + (all list#composite + colors/d-k + colors/l-o + colors/p-y + ) + ))) diff --git a/stdlib/source/documentation/lux/data/text/encoding.lux b/stdlib/source/documentation/lux/data/text/encoding.lux index e5e324f22..f370ef501 100644 --- a/stdlib/source/documentation/lux/data/text/encoding.lux +++ b/stdlib/source/documentation/lux/data/text/encoding.lux @@ -6,12 +6,180 @@ [text (.only \n) ["%" \\format (.only format)]] [collection - ["[0]" list]]]]] + ["[0]" list (.use "[1]#[0]" monoid)]]]]] [\\library ["[0]" /]] ["[0]" / ["[1][0]" utf8]]) +(def description + (template (_ ) + [($.definition + (format "'" (/.name ) "' text encoding. "))])) + +(`` (def all/ibm + (List $.Documentation) + (list (,, (with_template [] + [(description )] + + [/.ibm_037] + [/.ibm_273] + [/.ibm_277] + [/.ibm_278] + [/.ibm_280] + [/.ibm_284] + [/.ibm_285] + [/.ibm_290] + [/.ibm_297] + [/.ibm_300] + [/.ibm_420] + [/.ibm_424] + [/.ibm_437] + [/.ibm_500] + [/.ibm_737] + [/.ibm_775] + [/.ibm_833] + [/.ibm_834] + [/.ibm_838] + [/.ibm_850] + [/.ibm_852] + [/.ibm_855] + [/.ibm_856] + [/.ibm_857] + [/.ibm_858] + [/.ibm_860] + [/.ibm_861] + [/.ibm_862] + [/.ibm_863] + [/.ibm_864] + [/.ibm_865] + [/.ibm_866] + [/.ibm_868] + [/.ibm_869] + [/.ibm_870] + [/.ibm_871] + [/.ibm_874] + [/.ibm_875] + [/.ibm_918] + [/.ibm_921] + [/.ibm_922] + [/.ibm_930] + [/.ibm_933] + [/.ibm_935] + [/.ibm_937] + [/.ibm_939] + [/.ibm_942] + [/.ibm_942c] + [/.ibm_943] + [/.ibm_943c] + [/.ibm_948] + [/.ibm_949] + [/.ibm_949c] + [/.ibm_950] + [/.ibm_964] + [/.ibm_970] + [/.ibm_1006] + [/.ibm_1025] + [/.ibm_1026] + [/.ibm_1046] + [/.ibm_1047] + [/.ibm_1097] + [/.ibm_1098] + [/.ibm_1112] + [/.ibm_1122] + [/.ibm_1123] + [/.ibm_1124] + [/.ibm_1140] + [/.ibm_1141] + [/.ibm_1142] + [/.ibm_1143] + [/.ibm_1144] + [/.ibm_1145] + [/.ibm_1146] + [/.ibm_1147] + [/.ibm_1148] + [/.ibm_1149] + [/.ibm_1166] + [/.ibm_1364] + [/.ibm_1381] + [/.ibm_1383] + [/.ibm_33722] + )) + ))) + +(`` (def all/iso-mac + (List $.Documentation) + (list (,, (with_template [] + [(description )] + + [/.iso_2022_cn] + [/.iso2022_cn_cns] + [/.iso2022_cn_gb] + [/.iso_2022_jp] + [/.iso_2022_jp_2] + [/.iso_2022_kr] + [/.iso_8859_1] + [/.iso_8859_2] + [/.iso_8859_3] + [/.iso_8859_4] + [/.iso_8859_5] + [/.iso_8859_6] + [/.iso_8859_7] + [/.iso_8859_8] + [/.iso_8859_9] + [/.iso_8859_11] + [/.iso_8859_13] + [/.iso_8859_15] + + [/.mac_arabic] + [/.mac_central_europe] + [/.mac_croatian] + [/.mac_cyrillic] + [/.mac_dingbat] + [/.mac_greek] + [/.mac_hebrew] + [/.mac_iceland] + [/.mac_roman] + [/.mac_romania] + [/.mac_symbol] + [/.mac_thai] + [/.mac_turkish] + [/.mac_ukraine] + )) + ))) + +(`` (def all/utf-koi8 + (List $.Documentation) + (list (,, (with_template [] + [(description )] + + [/.utf_8] + [/.utf_16] + [/.utf_32] + + [/.windows_31j] + [/.windows_874] + [/.windows_949] + [/.windows_950] + [/.windows_1250] + [/.windows_1252] + [/.windows_1251] + [/.windows_1253] + [/.windows_1254] + [/.windows_1255] + [/.windows_1256] + [/.windows_1257] + [/.windows_1258] + [/.windows_iso2022jp] + [/.windows_50220] + [/.windows_50221] + + [/.cesu_8] + [/.koi8_r] + [/.koi8_u] + )) + ))) + (`` (def .public documentation (List $.Documentation) (list.partial ($.module /._ @@ -23,153 +191,15 @@ "Encoding formats for text.") (,, (with_template [] - [($.definition - (format "'" (/.name ) "' text encoding. "))] + [(description )] [/.ascii] - - [/.ibm_037] - [/.ibm_273] - [/.ibm_277] - [/.ibm_278] - [/.ibm_280] - [/.ibm_284] - [/.ibm_285] - [/.ibm_290] - [/.ibm_297] - [/.ibm_300] - [/.ibm_420] - [/.ibm_424] - [/.ibm_437] - [/.ibm_500] - [/.ibm_737] - [/.ibm_775] - [/.ibm_833] - [/.ibm_834] - [/.ibm_838] - [/.ibm_850] - [/.ibm_852] - [/.ibm_855] - [/.ibm_856] - [/.ibm_857] - [/.ibm_858] - [/.ibm_860] - [/.ibm_861] - [/.ibm_862] - [/.ibm_863] - [/.ibm_864] - [/.ibm_865] - [/.ibm_866] - [/.ibm_868] - [/.ibm_869] - [/.ibm_870] - [/.ibm_871] - [/.ibm_874] - [/.ibm_875] - [/.ibm_918] - [/.ibm_921] - [/.ibm_922] - [/.ibm_930] - [/.ibm_933] - [/.ibm_935] - [/.ibm_937] - [/.ibm_939] - [/.ibm_942] - [/.ibm_942c] - [/.ibm_943] - [/.ibm_943c] - [/.ibm_948] - [/.ibm_949] - [/.ibm_949c] - [/.ibm_950] - [/.ibm_964] - [/.ibm_970] - [/.ibm_1006] - [/.ibm_1025] - [/.ibm_1026] - [/.ibm_1046] - [/.ibm_1047] - [/.ibm_1097] - [/.ibm_1098] - [/.ibm_1112] - [/.ibm_1122] - [/.ibm_1123] - [/.ibm_1124] - [/.ibm_1140] - [/.ibm_1141] - [/.ibm_1142] - [/.ibm_1143] - [/.ibm_1144] - [/.ibm_1145] - [/.ibm_1146] - [/.ibm_1147] - [/.ibm_1148] - [/.ibm_1149] - [/.ibm_1166] - [/.ibm_1364] - [/.ibm_1381] - [/.ibm_1383] - [/.ibm_33722] - - [/.iso_2022_cn] - [/.iso2022_cn_cns] - [/.iso2022_cn_gb] - [/.iso_2022_jp] - [/.iso_2022_jp_2] - [/.iso_2022_kr] - [/.iso_8859_1] - [/.iso_8859_2] - [/.iso_8859_3] - [/.iso_8859_4] - [/.iso_8859_5] - [/.iso_8859_6] - [/.iso_8859_7] - [/.iso_8859_8] - [/.iso_8859_9] - [/.iso_8859_11] - [/.iso_8859_13] - [/.iso_8859_15] - - [/.mac_arabic] - [/.mac_central_europe] - [/.mac_croatian] - [/.mac_cyrillic] - [/.mac_dingbat] - [/.mac_greek] - [/.mac_hebrew] - [/.mac_iceland] - [/.mac_roman] - [/.mac_romania] - [/.mac_symbol] - [/.mac_thai] - [/.mac_turkish] - [/.mac_ukraine] - - [/.utf_8] - [/.utf_16] - [/.utf_32] - - [/.windows_31j] - [/.windows_874] - [/.windows_949] - [/.windows_950] - [/.windows_1250] - [/.windows_1252] - [/.windows_1251] - [/.windows_1253] - [/.windows_1254] - [/.windows_1255] - [/.windows_1256] - [/.windows_1257] - [/.windows_1258] - [/.windows_iso2022jp] - [/.windows_50220] - [/.windows_50221] - - [/.cesu_8] - [/.koi8_r] - [/.koi8_u] )) - /utf8.documentation + (all list#composite + all/ibm + all/iso-mac + all/utf-koi8 + /utf8.documentation + ) ))) diff --git a/stdlib/source/documentation/lux/data/text/regex.lux b/stdlib/source/documentation/lux/data/text/regex.lux index 090b88c41..8de3d70e7 100644 --- a/stdlib/source/documentation/lux/data/text/regex.lux +++ b/stdlib/source/documentation/lux/data/text/regex.lux @@ -63,7 +63,7 @@ ($.definition /.pattern "Allows you to test text against regular expressions." - [(case some_text + [(when some_text (pattern "(\d{3})-(\d{3})-(\d{4})" [_ country_code area_code place_code]) do_some_thing_when_number diff --git a/stdlib/source/documentation/lux/data/text/unicode/block.lux b/stdlib/source/documentation/lux/data/text/unicode/block.lux index 7aa0355ab..78002e97c 100644 --- a/stdlib/source/documentation/lux/data/text/unicode/block.lux +++ b/stdlib/source/documentation/lux/data/text/unicode/block.lux @@ -4,42 +4,27 @@ ["$" documentation] [data ["[0]" text (.only) - ["%" \\format (.only format)]]] + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" monoid)]]] [math [number ["[0]" nat (.use "hex#[0]" hex)]]]]] [\\library ["[0]" /]]) -(`` (def .public documentation - (List $.Documentation) - (list ($.module /._ - "") - - ($.definition /.monoid) - ($.definition /.start) - ($.definition /.end) - ($.definition /.size) - ($.definition /.equivalence) - ($.definition /.hash) - - ($.definition /.Block - "A block of valid unicode characters.") - - ($.definition /.block - "" - [(block start additional)]) +(def description + (template (_ ) + [($.definition + (let [[_ name] (symbol )] + (format (hex#encoded (/.start )) + "-" (hex#encoded (/.end )) + " | " (text.replaced "_" " " name))))])) - ($.definition /.within? - "" - [(within? block char)]) - - (,, (with_template [] - [($.definition - (let [[_ name] (symbol )] - (format (hex#encoded (/.start )) - "-" (hex#encoded (/.end )) - " | " (text.replaced "_" " " name))))] +(`` (def all_1/4 + (List $.Documentation) + (list (,, (with_template [] + [(description )] [/.basic_latin] [/.latin_1_supplement] @@ -74,6 +59,14 @@ [/.hangul_jamo] [/.ethiopic] [/.cherokee] + )) + ))) + +(`` (def all_2/4 + (List $.Documentation) + (list (,, (with_template [] + [(description )] + [/.unified_canadian_aboriginal_syllabics] [/.ogham] [/.runic] @@ -92,6 +85,15 @@ [/.general_punctuation] [/.superscripts_and_subscripts] [/.currency_symbols] + [/.combining_diacritical_marks_for_symbols] + )) + ))) + +(`` (def all_3/4 + (List $.Documentation) + (list (,, (with_template [] + [(description )] + [/.combining_diacritical_marks_for_symbols] [/.letterlike_symbols] [/.number_forms] @@ -120,6 +122,14 @@ [/.hiragana] [/.katakana] [/.bopomofo] + )) + ))) + +(`` (def all_4/4 + (List $.Documentation) + (list (,, (with_template [] + [(description )] + [/.hangul_compatibility_jamo] [/.kanbun] [/.bopomofo_extended] @@ -151,3 +161,34 @@ [/.lower_case] )) ))) + +(def .public documentation + (List $.Documentation) + (list.partial ($.module /._ + "") + + ($.definition /.monoid) + ($.definition /.start) + ($.definition /.end) + ($.definition /.size) + ($.definition /.equivalence) + ($.definition /.hash) + + ($.definition /.Block + "A block of valid unicode characters.") + + ($.definition /.block + "" + [(block start additional)]) + + ($.definition /.within? + "" + [(within? block char)]) + + (all list#composite + all_1/4 + all_2/4 + all_3/4 + all_4/4 + ) + )) diff --git a/stdlib/source/documentation/lux/ffi.js.lux b/stdlib/source/documentation/lux/ffi.js.lux index 3048cea36..980ad9a6e 100644 --- a/stdlib/source/documentation/lux/ffi.js.lux +++ b/stdlib/source/documentation/lux/ffi.js.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except int char) + [lux (.except) ["$" documentation] [data ["[0]" text (.only \n) @@ -8,60 +8,61 @@ [\\library ["[0]" /]]) -(.def .public documentation - (.List $.Module) - ($.module /._ - "" - [($.definition (/.Object brand)) - ($.definition /.Function) - ($.definition /.Symbol) - ($.definition /.Null) - ($.definition /.Undefined) - ($.definition /.Boolean) - ($.definition /.Number) - ($.definition /.String) - ($.definition /.null?) - ($.definition /.on_browser?) - ($.definition /.on_nashorn?) - ($.definition /.on_node_js?) +(def .public documentation + (List $.Documentation) + (list ($.module /._ + "") - ($.definition /.null - "The null pointer.") + ($.definition (/.Object brand)) + ($.definition /.Function) + ($.definition /.Symbol) + ($.definition /.Null) + ($.definition /.Undefined) + ($.definition /.Boolean) + ($.definition /.Number) + ($.definition /.String) + ($.definition /.null?) + ($.definition /.on_browser?) + ($.definition /.on_nashorn?) + ($.definition /.on_node_js?) - ($.definition /.import - "Easily import types, methods, functions and constants." - [(import Uint8Array - "[1]::[0]") + ($.definition /.null + "The null pointer.") - (import TextEncoder - "[1]::[0]" - (new [/.String]) - (encode [/.String] Uint8Array)) + ($.definition /.import + "Easily import types, methods, functions and constants." + [(import Uint8Array + "[1]::[0]") - (import TextDecoder - "[1]::[0]" - (new [/.String]) - (decode [/.String] String))]) + (import TextEncoder + "[1]::[0]" + (new [/.String]) + (encode [/.String] Uint8Array)) - ($.definition /.type_of - "The type of an object, as text." - [(= "boolean" - (type_of true))] - [(= "number" - (type_of +123.456))] - [(= "string" - (type_of "789"))] - [(= "function" - (type_of (function (_ value) value)))]) + (import TextDecoder + "[1]::[0]" + (new [/.String]) + (decode [/.String] String))]) - ($.definition /.global - "Allows using definitions from the JavaScript host platform." - [(global .Frac [Math PI])]) + ($.definition /.type_of + "The type of an object, as text." + [(= "boolean" + (type_of true))] + [(= "number" + (type_of +123.456))] + [(= "string" + (type_of "789"))] + [(= "function" + (type_of (function (_ value) value)))]) - ($.definition /.function - (format "Allows defining closures/anonymous-functions in the form that JavaScript expects." - \n "This is useful for adapting Lux functions for usage by JavaScript code.") - [(is /.Function - (function [left right] - (do_something (as Foo left) (as Bar right))))])] - [])) + ($.definition /.global + "Allows using definitions from the JavaScript host platform." + [(global .Frac [Math PI])]) + + ($.definition /.function + (format "Allows defining closures/anonymous-functions in the form that JavaScript expects." + \n "This is useful for adapting Lux functions for usage by JavaScript code.") + [(is /.Function + (function [left right] + (do_something (as Foo left) (as Bar right))))]) + )) diff --git a/stdlib/source/documentation/lux/ffi.jvm.lux b/stdlib/source/documentation/lux/ffi.jvm.lux index 52b551378..ca1841a0b 100644 --- a/stdlib/source/documentation/lux/ffi.jvm.lux +++ b/stdlib/source/documentation/lux/ffi.jvm.lux @@ -171,7 +171,7 @@ ($.definition /.as (format "Checks whether an object is an instance of a particular class." \n "Caveat emptor: Cannot check for polymorphism, so avoid using parameterized classes.") - [(case (as String "YOLO") + [(when (as String "YOLO") {.#Some value_as_string} {.#None})]) diff --git a/stdlib/source/documentation/lux/ffi.lua.lux b/stdlib/source/documentation/lux/ffi.lua.lux index 0763955d6..b4713841f 100644 --- a/stdlib/source/documentation/lux/ffi.lua.lux +++ b/stdlib/source/documentation/lux/ffi.lua.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except int char) + [lux (.except) ["$" documentation] [data ["[0]" text (.only \n) @@ -8,27 +8,28 @@ [\\library ["[0]" /]]) -(.def .public documentation - (.List $.Module) - ($.module /._ - "" - [($.definition (/.Object brand)) - ($.definition /.Nil) - ($.definition /.Function) - ($.definition /.Table) - ($.definition /.Boolean) - ($.definition /.Integer) - ($.definition /.Float) - ($.definition /.String) +(def .public documentation + (List $.Documentation) + (list ($.module /._ + "") - ($.definition /.import - "Easily import types, methods, functions and constants." - [(import (os/getenv [..String] "io" "?" ..String))]) + ($.definition (/.Object brand)) + ($.definition /.Nil) + ($.definition /.Function) + ($.definition /.Table) + ($.definition /.Boolean) + ($.definition /.Integer) + ($.definition /.Float) + ($.definition /.String) - ($.definition /.closure - (format "Allows defining closures/anonymous-functions in the form that Lua expects." - \n "This is useful for adapting Lux functions for usage by Lua code.") - [(is ..Function - (closure [left right] - (do_something (as Foo left) (as Bar right))))])] - [])) + ($.definition /.import + "Easily import types, methods, functions and constants." + [(import (os/getenv [..String] "io" "?" ..String))]) + + ($.definition /.function + (format "Allows defining closures/anonymous-functions in the form that Lua expects." + \n "This is useful for adapting Lux functions for usage by Lua code.") + [(is ..Function + (function [left right] + (do_something (as Foo left) (as Bar right))))]) + )) diff --git a/stdlib/source/documentation/lux/ffi.old.lux b/stdlib/source/documentation/lux/ffi.old.lux index a862963d8..2400b4f37 100644 --- a/stdlib/source/documentation/lux/ffi.old.lux +++ b/stdlib/source/documentation/lux/ffi.old.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except int char) + [lux (.except) ["$" documentation] [data ["[0]" text (.only \n) @@ -8,213 +8,214 @@ [\\library ["[0]" /]]) -(`` (.def .public documentation - (.List $.Module) - ($.module /._ - "" - [($.definition /.Privacy) - ($.definition /.State) - ($.definition /.Inheritance) - - (,, (with_template [ ] - [($.definition - "Type converter.")] - - [/.byte_to_long "java.lang.Byte" "java.lang.Long"] - - [/.short_to_long "java.lang.Short" "java.lang.Long"] - - [/.double_to_int "java.lang.Double" "java.lang.Integer"] - [/.double_to_long "java.lang.Double" "java.lang.Long"] - [/.double_to_float "java.lang.Double" "java.lang.Float"] - - [/.float_to_int "java.lang.Float" "java.lang.Integer"] - [/.float_to_long "java.lang.Float" "java.lang.Long"] - [/.float_to_double "java.lang.Float" "java.lang.Double"] - - [/.int_to_byte "java.lang.Integer" "java.lang.Byte"] - [/.int_to_short "java.lang.Integer" "java.lang.Short"] - [/.int_to_long "java.lang.Integer" "java.lang.Long"] - [/.int_to_float "java.lang.Integer" "java.lang.Float"] - [/.int_to_double "java.lang.Integer" "java.lang.Double"] - [/.int_to_char "java.lang.Integer" "java.lang.Character"] - - [/.long_to_byte "java.lang.Long" "java.lang.Byte"] - [/.long_to_short "java.lang.Long" "java.lang.Short"] - [/.long_to_int "java.lang.Long" "java.lang.Integer"] - [/.long_to_float "java.lang.Long" "java.lang.Float"] - [/.long_to_double "java.lang.Long" "java.lang.Double"] - - [/.char_to_byte "java.lang.Character" "java.lang.Byte"] - [/.char_to_short "java.lang.Character" "java.lang.Short"] - [/.char_to_int "java.lang.Character" "java.lang.Integer"] - [/.char_to_long "java.lang.Character" "java.lang.Long"] - )) - - ($.definition /.class - "Allows defining JVM classes in Lux code." - [(class "final" (TestClass A) [Runnable] - ... Fields - ("private" foo boolean) - ("private" bar A) - ("private" baz java/lang/Object) - ... Methods - ("public" [] (new [value A]) [] - (exec - (:= ::foo true) - (:= ::bar value) - (:= ::baz "") - [])) - ("public" (virtual) java/lang/Object - "") - ("public" "static" (static) java/lang/Object - "") - (Runnable [] (run) void - [])) - "The tuple corresponds to parent interfaces." - "An optional super-class can be specified before the tuple. If not specified, java.lang.Object will be assumed." - "Fields and methods defined in the class can be used with special syntax." - "For example:" - "::resolved, for accessing the 'resolved' field." - "(:= ::resolved true) for modifying it." - "(::new! []) for calling the class's constructor." - "(::resolve! container [value]) for calling the 'resolve' method."]) - - ($.definition /.interface - "Allows defining JVM interfaces." - [(interface TestInterface - ([] foo [boolean String] void "throws" [Exception]))]) - - ($.definition /.object - "Allows defining anonymous classes." - ["The 1st tuple corresponds to class-level type-variables." - "The 2nd tuple corresponds to parent interfaces." - "The 3rd tuple corresponds to arguments to the super class constructor." - "An optional super-class can be specified before the 1st tuple. If not specified, java.lang.Object will be assumed." - (object [] [Runnable] - [] - (Runnable [] (run self) void - (exec (do_something some_value) - [])))]) - - ($.definition /.null - "Null object reference." - (null)) - - ($.definition /.null? - "Test for null object reference." - [(= (null? (null)) - true)] - [(= (null? "YOLO") - false)]) - - ($.definition /.??? - "Takes a (potentially null) ObjectType reference and creates a (Maybe ObjectType) for it." - [(= (??? (is java/lang/String (null))) - {.#None})] - [(= (??? "YOLO") - {.#Some "YOLO"})]) - - ($.definition /.!!! - "Takes a (Maybe ObjectType) and returns a ObjectType." - [(= "foo" - (!!! (??? "foo")))] - ["A .#None would get translated into a (null)." - (= (null) - (!!! (??? (is java/lang/Thread (null)))))]) - - ($.definition /.check - (format "Checks whether an object is an instance of a particular class." - \n "Caveat emptor: Cannot check for polymorphism, so avoid using parameterized classes.") - [(case (check java/lang/String "YOLO") - {.#Some value_as_string} - {.#None})]) - - ($.definition /.synchronized - "Evaluates body, while holding a lock on a given object." - [(synchronized object_to_be_locked - (exec - (do something) - (do_something else) - (finish the computation)))]) - - ($.definition /.to - "Call a variety of methods on an object. Then, return the object." - [(to object - (ClassName::method0 arg0 arg1 arg2) - (ClassName::method1 arg3 arg4 arg5))]) - - ($.definition /.import - (format "Allows importing JVM classes, and using them as types." - \n "Their methods, fields and enum options can also be imported.") - [(import java/lang/Object - "[1]::[0]" - (new []) - (equals [java/lang/Object] boolean) - (wait [int] "io" "try" void))] - ["Special options can also be given for the return values." - "'?' means that the values will be returned inside a Maybe type. That way, null becomes .#None." - "'try' means that the computation might throw an exception, and the return value will be wrapped by the Try type." - "'io' means the computation has side effects, and will be wrapped by the IO type." - "These options must show up in the following order ['io' 'try' '?'] (although, each option can be used independently)." - (import java/lang/String - "[1]::[0]" - (new [[byte]]) - ("static" valueOf [char] java/lang/String) - ("static" valueOf "as" int_valueOf [int] java/lang/String)) - - (import (java/util/List e) - "[1]::[0]" - (size [] int) - (get [int] e)) - - (import (java/util/ArrayList a) - "[1]::[0]" - ([T] toArray [[T]] [T]))] - ["The class-type that is generated is of the fully-qualified name." - "This avoids a clash between the java.util.List type, and Lux's own List type." - "All enum options to be imported must be specified." - (import java/lang/Character$UnicodeScript - "[1]::[0]" - ("enum" ARABIC CYRILLIC LATIN))] - ["It should also be noted, the only types that may show up in method arguments or return values may be Java classes, arrays, primitives, void or type-parameters." - "Lux types, such as Maybe cannot be named (otherwise, they'd be confused for Java classes)." - (import (lux/concurrency/async/JvmAsync A) - "[1]::[0]" - (resolve [A] boolean) - (poll [] A) - (wasResolved [] boolean) - (waitOn [lux/Function] void) - ("static" [A] make [A] (lux/concurrency/async/JvmAsync A)))] - ["Also, the names of the imported members will look like Class::member" - (java/lang/Object::new []) - (java/lang/Object::equals [other_object] my_object) - (java/util/List::size [] my_list) - java/lang/Character$UnicodeScript::LATIN]) - - ($.definition /.array - "Create an array of the given type, with the given size." - [(array java/lang/Object 10)]) - - ($.definition /.length - "Gives the length of an array." - [(length my_array)]) - - ($.definition /.read! - "Loads an element from an array." - [(read! 10 my_array)]) - - ($.definition /.write! - "Stores an element into an array." - [(write! 10 my_object my_array)]) - - ($.definition /.class_for - "Loads the class as a java.lang.Class object." - [(is (Primitive "java.lang.Class" ["java.lang.Object"]) - (class_for java/lang/String))]) - - ($.definition /.type - "" - [(is .Type - (type java/lang/String))])] - []))) +(`` (def .public documentation + (List $.Documentation) + (list ($.module /._ + "") + + ($.definition /.Privacy) + ($.definition /.State) + ($.definition /.Inheritance) + + (,, (with_template [ ] + [($.definition + "Type converter.")] + + [/.byte_to_long "java.lang.Byte" "java.lang.Long"] + + [/.short_to_long "java.lang.Short" "java.lang.Long"] + + [/.double_to_int "java.lang.Double" "java.lang.Integer"] + [/.double_to_long "java.lang.Double" "java.lang.Long"] + [/.double_to_float "java.lang.Double" "java.lang.Float"] + + [/.float_to_int "java.lang.Float" "java.lang.Integer"] + [/.float_to_long "java.lang.Float" "java.lang.Long"] + [/.float_to_double "java.lang.Float" "java.lang.Double"] + + [/.int_to_byte "java.lang.Integer" "java.lang.Byte"] + [/.int_to_short "java.lang.Integer" "java.lang.Short"] + [/.int_to_long "java.lang.Integer" "java.lang.Long"] + [/.int_to_float "java.lang.Integer" "java.lang.Float"] + [/.int_to_double "java.lang.Integer" "java.lang.Double"] + [/.int_to_char "java.lang.Integer" "java.lang.Character"] + + [/.long_to_byte "java.lang.Long" "java.lang.Byte"] + [/.long_to_short "java.lang.Long" "java.lang.Short"] + [/.long_to_int "java.lang.Long" "java.lang.Integer"] + [/.long_to_float "java.lang.Long" "java.lang.Float"] + [/.long_to_double "java.lang.Long" "java.lang.Double"] + + [/.char_to_byte "java.lang.Character" "java.lang.Byte"] + [/.char_to_short "java.lang.Character" "java.lang.Short"] + [/.char_to_int "java.lang.Character" "java.lang.Integer"] + [/.char_to_long "java.lang.Character" "java.lang.Long"] + )) + + ($.definition /.class + "Allows defining JVM classes in Lux code." + [(class "final" (TestClass A) [Runnable] + ... Fields + ("private" foo boolean) + ("private" bar A) + ("private" baz java/lang/Object) + ... Methods + ("public" [] (new [value A]) [] + (exec + (:= ::foo true) + (:= ::bar value) + (:= ::baz "") + [])) + ("public" (virtual) java/lang/Object + "") + ("public" "static" (static) java/lang/Object + "") + (Runnable [] (run) void + [])) + "The tuple corresponds to parent interfaces." + "An optional super-class can be specified before the tuple. If not specified, java.lang.Object will be assumed." + "Fields and methods defined in the class can be used with special syntax." + "For example:" + "::resolved, for accessing the 'resolved' field." + "(:= ::resolved true) for modifying it." + "(::new! []) for calling the class's constructor." + "(::resolve! container [value]) for calling the 'resolve' method."]) + + ($.definition /.interface + "Allows defining JVM interfaces." + [(interface TestInterface + ([] foo [boolean String] void "throws" [Exception]))]) + + ($.definition /.object + "Allows defining anonymous classes." + ["The 1st tuple corresponds to class-level type-variables." + "The 2nd tuple corresponds to parent interfaces." + "The 3rd tuple corresponds to arguments to the super class constructor." + "An optional super-class can be specified before the 1st tuple. If not specified, java.lang.Object will be assumed." + (object [] [Runnable] + [] + (Runnable [] (run self) void + (exec (do_something some_value) + [])))]) + + ($.definition /.null + "Null object reference." + (null)) + + ($.definition /.null? + "Test for null object reference." + [(= (null? (null)) + true)] + [(= (null? "YOLO") + false)]) + + ($.definition /.??? + "Takes a (potentially null) ObjectType reference and creates a (Maybe ObjectType) for it." + [(= (??? (is java/lang/String (null))) + {.#None})] + [(= (??? "YOLO") + {.#Some "YOLO"})]) + + ($.definition /.!!! + "Takes a (Maybe ObjectType) and returns a ObjectType." + [(= "foo" + (!!! (??? "foo")))] + ["A .#None would get translated into a (null)." + (= (null) + (!!! (??? (is java/lang/Thread (null)))))]) + + ($.definition /.check + (format "Checks whether an object is an instance of a particular class." + \n "Caveat emptor: Cannot check for polymorphism, so avoid using parameterized classes.") + [(when (check java/lang/String "YOLO") + {.#Some value_as_string} + {.#None})]) + + ($.definition /.synchronized + "Evaluates body, while holding a lock on a given object." + [(synchronized object_to_be_locked + (exec + (do something) + (do_something else) + (finish the computation)))]) + + ($.definition /.to + "Call a variety of methods on an object. Then, return the object." + [(to object + (ClassName::method0 arg0 arg1 arg2) + (ClassName::method1 arg3 arg4 arg5))]) + + ($.definition /.import + (format "Allows importing JVM classes, and using them as types." + \n "Their methods, fields and enum options can also be imported.") + [(import java/lang/Object + "[1]::[0]" + (new []) + (equals [java/lang/Object] boolean) + (wait [int] "io" "try" void))] + ["Special options can also be given for the return values." + "'?' means that the values will be returned inside a Maybe type. That way, null becomes .#None." + "'try' means that the computation might throw an exception, and the return value will be wrapped by the Try type." + "'io' means the computation has side effects, and will be wrapped by the IO type." + "These options must show up in the following order ['io' 'try' '?'] (although, each option can be used independently)." + (import java/lang/String + "[1]::[0]" + (new [[byte]]) + ("static" valueOf [char] java/lang/String) + ("static" valueOf "as" int_valueOf [int] java/lang/String)) + + (import (java/util/List e) + "[1]::[0]" + (size [] int) + (get [int] e)) + + (import (java/util/ArrayList a) + "[1]::[0]" + ([T] toArray [[T]] [T]))] + ["The class-type that is generated is of the fully-qualified name." + "This avoids a clash between the java.util.List type, and Lux's own List type." + "All enum options to be imported must be specified." + (import java/lang/Character$UnicodeScript + "[1]::[0]" + ("enum" ARABIC CYRILLIC LATIN))] + ["It should also be noted, the only types that may show up in method arguments or return values may be Java classes, arrays, primitives, void or type-parameters." + "Lux types, such as Maybe cannot be named (otherwise, they'd be confused for Java classes)." + (import (lux/concurrency/async/JvmAsync A) + "[1]::[0]" + (resolve [A] boolean) + (poll [] A) + (wasResolved [] boolean) + (waitOn [lux/Function] void) + ("static" [A] make [A] (lux/concurrency/async/JvmAsync A)))] + ["Also, the names of the imported members will look like Class::member" + (java/lang/Object::new []) + (java/lang/Object::equals [other_object] my_object) + (java/util/List::size [] my_list) + java/lang/Character$UnicodeScript::LATIN]) + + ($.definition /.array + "Create an array of the given type, with the given size." + [(array java/lang/Object 10)]) + + ($.definition /.length + "Gives the length of an array." + [(length my_array)]) + + ($.definition /.read! + "Loads an element from an array." + [(read! 10 my_array)]) + + ($.definition /.write! + "Stores an element into an array." + [(write! 10 my_object my_array)]) + + ($.definition /.class_for + "Loads the class as a java.lang.Class object." + [(is (Primitive "java.lang.Class" ["java.lang.Object"]) + (class_for java/lang/String))]) + + ($.definition /.type + "" + [(is .Type + (type java/lang/String))]) + ))) diff --git a/stdlib/source/documentation/lux/ffi.py.lux b/stdlib/source/documentation/lux/ffi.py.lux index d2da39eff..f73c5eb83 100644 --- a/stdlib/source/documentation/lux/ffi.py.lux +++ b/stdlib/source/documentation/lux/ffi.py.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except int char) + [lux (.except) ["$" documentation] [data ["[0]" text (.only \n) @@ -8,48 +8,49 @@ [\\library ["[0]" /]]) -(.def .public documentation - (.List $.Module) - ($.module /._ - "" - [($.definition (/.Object brand)) - ($.definition /.None) - ($.definition /.Dict) - ($.definition /.Function) - ($.definition /.Boolean) - ($.definition /.Integer) - ($.definition /.Float) - ($.definition /.String) +(def .public documentation + (List $.Documentation) + (list ($.module /._ + "") - ($.definition /.import - "Easily import types, methods, functions and constants." - [(import os - "[1]::[0]" - ("static" F_OK Integer) - ("static" R_OK Integer) - ("static" W_OK Integer) - ("static" X_OK Integer) + ($.definition (/.Object brand)) + ($.definition /.None) + ($.definition /.Dict) + ($.definition /.Function) + ($.definition /.Boolean) + ($.definition /.Integer) + ($.definition /.Float) + ($.definition /.String) - ("static" mkdir [String] "io" "try" "?" Any) - ("static" access [String Integer] "io" "try" Boolean) - ("static" remove [String] "io" "try" "?" Any) - ("static" rmdir [String] "io" "try" "?" Any) - ("static" rename [String String] "io" "try" "?" Any) - ("static" listdir [String] "io" "try" (Array String))) + ($.definition /.import + "Easily import types, methods, functions and constants." + [(import os + "[1]::[0]" + ("static" F_OK Integer) + ("static" R_OK Integer) + ("static" W_OK Integer) + ("static" X_OK Integer) - (import os/path - "[1]::[0]" - ("static" isfile [String] "io" "try" Boolean) - ("static" isdir [String] "io" "try" Boolean) - ("static" sep String) - ("static" getsize [String] "io" "try" Integer) - ("static" getmtime [String] "io" "try" Float))]) + ("static" mkdir [String] "io" "try" "?" Any) + ("static" access [String Integer] "io" "try" Boolean) + ("static" remove [String] "io" "try" "?" Any) + ("static" rmdir [String] "io" "try" "?" Any) + ("static" rename [String String] "io" "try" "?" Any) + ("static" listdir [String] "io" "try" (Array String))) - ($.definition /.function - (format "Allows defining closures/anonymous-functions in the form that Python expects." - \n "This is useful for adapting Lux functions for usage by Python code.") - [(is ..Function - (function [left right] - (do_something (as Foo left) - (as Bar right))))])] - [])) + (import os/path + "[1]::[0]" + ("static" isfile [String] "io" "try" Boolean) + ("static" isdir [String] "io" "try" Boolean) + ("static" sep String) + ("static" getsize [String] "io" "try" Integer) + ("static" getmtime [String] "io" "try" Float))]) + + ($.definition /.function + (format "Allows defining closures/anonymous-functions in the form that Python expects." + \n "This is useful for adapting Lux functions for usage by Python code.") + [(is ..Function + (function [left right] + (do_something (as Foo left) + (as Bar right))))]) + )) diff --git a/stdlib/source/documentation/lux/ffi.rb.lux b/stdlib/source/documentation/lux/ffi.rb.lux index 24696edc5..bc3f482c1 100644 --- a/stdlib/source/documentation/lux/ffi.rb.lux +++ b/stdlib/source/documentation/lux/ffi.rb.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except int char) + [lux (.except) ["$" documentation] [data ["[0]" text (.only \n) @@ -8,35 +8,36 @@ [\\library ["[0]" /]]) -(.def .public documentation - (.List $.Module) - ($.module /._ - "" - [($.definition (/.Object brand)) - ($.definition /.Nil) - ($.definition /.Function) - ($.definition /.Integer) - ($.definition /.Float) - ($.definition /.String) +(def .public documentation + (List $.Documentation) + (list ($.module /._ + "") - ($.definition /.import - "Easily import types, methods, functions and constants." - [(import Stat - "[1]::[0]" - (executable? [] Bit) - (size Int)) + ($.definition (/.Object brand)) + ($.definition /.Nil) + ($.definition /.Function) + ($.definition /.Integer) + ($.definition /.Float) + ($.definition /.String) - (import File "as" RubyFile - "[1]::[0]" - ("static" SEPARATOR ..String) - ("static" open [Path ..String] "io" "try" RubyFile) - ("static" stat [Path] "io" "try" Stat) - ("static" delete [Path] "io" "try" Int) - ("static" file? [Path] "io" "try" Bit) - ("static" directory? [Path] "io" "try" Bit) + ($.definition /.import + "Easily import types, methods, functions and constants." + [(import Stat + "[1]::[0]" + (executable? [] Bit) + (size Int)) - (read [] "io" "try" Binary) - (write [Binary] "io" "try" Int) - (flush [] "io" "try" "?" Any) - (close [] "io" "try" "?" Any))])] - [])) + (import File "as" RubyFile + "[1]::[0]" + ("static" SEPARATOR ..String) + ("static" open [Path ..String] "io" "try" RubyFile) + ("static" stat [Path] "io" "try" Stat) + ("static" delete [Path] "io" "try" Int) + ("static" file? [Path] "io" "try" Bit) + ("static" directory? [Path] "io" "try" Bit) + + (read [] "io" "try" Binary) + (write [Binary] "io" "try" Int) + (flush [] "io" "try" "?" Any) + (close [] "io" "try" "?" Any))]) + )) diff --git a/stdlib/source/documentation/lux/meta/compiler/language/lux/analysis.lux b/stdlib/source/documentation/lux/meta/compiler/language/lux/analysis.lux index 45d71946e..766e1740f 100644 --- a/stdlib/source/documentation/lux/meta/compiler/language/lux/analysis.lux +++ b/stdlib/source/documentation/lux/meta/compiler/language/lux/analysis.lux @@ -72,7 +72,7 @@ ($.definition /.Branch) ($.definition /.Match) ($.definition /.equivalence) - ($.definition /.case) + ($.definition /.when) ($.definition /.unit) ($.definition /.bit) ($.definition /.nat) diff --git a/stdlib/source/documentation/lux/meta/compiler/language/lux/synthesis.lux b/stdlib/source/documentation/lux/meta/compiler/language/lux/synthesis.lux index b74515da2..af6cc479e 100644 --- a/stdlib/source/documentation/lux/meta/compiler/language/lux/synthesis.lux +++ b/stdlib/source/documentation/lux/meta/compiler/language/lux/synthesis.lux @@ -124,7 +124,7 @@ ($.definition /.constant) ($.definition /.variable/local) ($.definition /.variable/foreign) - ($.definition /.branch/case) + ($.definition /.branch/when) ($.definition /.branch/let) ($.definition /.branch/if) ($.definition /.branch/get) diff --git a/stdlib/source/documentation/lux/meta/target/python.lux b/stdlib/source/documentation/lux/meta/target/python.lux index 50263c3b9..656f3373f 100644 --- a/stdlib/source/documentation/lux/meta/target/python.lux +++ b/stdlib/source/documentation/lux/meta/target/python.lux @@ -6,16 +6,13 @@ [text (.only \n) ["%" \\format (.only format)]] [collection - ["[0]" list]]]]] + ["[0]" list (.use "[1]#[0]" monoid)]]]]] [\\library ["[0]" /]]) -(def .public documentation +(def all_1/4 (List $.Documentation) - (list ($.module /._ - "") - - ($.definition /.Code) + (list ($.definition /.Code) ($.definition /.equivalence) ($.definition /.hash) ($.definition /.manual) @@ -37,7 +34,11 @@ ($.definition /.var) ($.definition /.poly) ($.definition /.keyword) - ($.definition /.none) + )) + +(def all_2/4 + (List $.Documentation) + (list ($.definition /.none) ($.definition /.bool) ($.definition /.int) ($.definition /.long) @@ -69,7 +70,11 @@ ($.definition /.//) ($.definition /.%) ($.definition /.**) - ($.definition /.bit_or) + )) + +(def all_3/4 + (List $.Documentation) + (list ($.definition /.bit_or) ($.definition /.bit_and) ($.definition /.bit_xor) ($.definition /.bit_shl) @@ -89,6 +94,11 @@ ($.definition /.while) ($.definition /.for_in) ($.definition /.statement) + )) + +(def all_4/4 + (List $.Documentation) + (list ($.definition /.statement) ($.definition /.pass) ($.definition /.Except) ($.definition /.try) @@ -111,3 +121,16 @@ ($.definition /.__import__/1) ($.definition /.Exception/1) )) + +(def .public documentation + (List $.Documentation) + (list.partial ($.module /._ + "") + + (all list#composite + ..all_1/4 + ..all_2/4 + ..all_3/4 + ..all_4/4 + ) + )) diff --git a/stdlib/source/documentation/lux/world/input/keyboard.lux b/stdlib/source/documentation/lux/world/input/keyboard.lux index b6fa9b392..3d8d246e8 100644 --- a/stdlib/source/documentation/lux/world/input/keyboard.lux +++ b/stdlib/source/documentation/lux/world/input/keyboard.lux @@ -4,16 +4,15 @@ ["$" documentation] [data ["[0]" text (.only \n) - ["%" \\format (.only format)]]]]] + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" monoid)]]]]] [\\library ["[0]" /]]) -(def .public documentation +(def all/characters (List $.Documentation) - (list ($.module /._ - "") - - ($.definition /.back_space) + (list ($.definition /.back_space) ($.definition /.enter) ($.definition /.shift) ($.definition /.control) @@ -55,7 +54,11 @@ ($.definition /.x) ($.definition /.y) ($.definition /.z) - ($.definition /.num_pad_0) + )) + +(def all/special + (List $.Documentation) + (list ($.definition /.num_pad_0) ($.definition /.num_pad_1) ($.definition /.num_pad_2) ($.definition /.num_pad_3) @@ -97,10 +100,21 @@ ($.definition /.f24) ($.definition /.release) ($.definition /.press) + )) - ($.definition /.Key - "A key from a keyboard, identify by a numeric ID.") +(def .public documentation + (List $.Documentation) + (list.partial ($.module /._ + "") - ($.definition /.Press - "A key-press for a key.") - )) + ($.definition /.Key + "A key from a keyboard, identify by a numeric ID.") + + ($.definition /.Press + "A key-press for a key.") + + (all list#composite + ..all/characters + ..all/special + ) + )) diff --git a/stdlib/source/experiment/tool/interpreter.lux b/stdlib/source/experiment/tool/interpreter.lux index ad8092a5b..cea7bd833 100644 --- a/stdlib/source/experiment/tool/interpreter.lux +++ b/stdlib/source/experiment/tool/interpreter.lux @@ -128,7 +128,7 @@ (All (_ anchor expression declaration) (-> Configuration Code )) (function (_ state) - (case (<| (phase.result' state) + (when (<| (phase.result' state) (sharing [anchor expression declaration] (is (State+ anchor expression declaration) state) @@ -213,7 +213,7 @@ (if (and (not multi_line?) (text#= ..exit_command line)) (at Console write ..farewell_message) - (case (read_eval_print (revised #source (add_line line) context)) + (when (read_eval_print (revised #source (add_line line) context)) {try.#Success [context' representation]} (do ! [_ (at Console write representation)] diff --git a/stdlib/source/format/lux/data/binary.lux b/stdlib/source/format/lux/data/binary.lux index 761176a3a..034d4edd7 100644 --- a/stdlib/source/format/lux/data/binary.lux +++ b/stdlib/source/format/lux/data/binary.lux @@ -96,7 +96,7 @@ (def .public (or left right) (All (_ l r) (-> (Format l) (Format r) (Format (Or l r)))) (function (_ altV) - (case altV + (when altV (^.with_template [ ] [{ caseV} (let [[caseS caseT] ( caseV)] @@ -126,7 +126,7 @@ (def .public bit (Format Bit) - (|>> (pipe.case #0 0 #1 1) ..bits_8)) + (|>> (pipe.when #0 0 #1 1) ..bits_8)) (with_template [ ] [(def .public (Format ) ..bits_64)] @@ -241,7 +241,7 @@ indexed ..nat quantified (..and (..list again) again)] (function (_ altV) - (case altV + (when altV (^.with_template [ ] [{ caseV} (let [[caseS caseT] ( caseV)] @@ -275,7 +275,7 @@ (let [sequence (..list again)] (..and ..location (function (_ altV) - (case altV + (when altV (^.with_template [ ] [{ caseV} (let [[caseS caseT] ( caseV)] diff --git a/stdlib/source/format/lux/data/text.lux b/stdlib/source/format/lux/data/text.lux index f9d79c466..7d237bea2 100644 --- a/stdlib/source/format/lux/data/text.lux +++ b/stdlib/source/format/lux/data/text.lux @@ -126,7 +126,7 @@ (def .public (maybe format) (All (_ a) (-> (Format a) (Format (Maybe a)))) (function (_ value) - (case value + (when value {.#None} "{.#None}" diff --git a/stdlib/source/library/lux.lux b/stdlib/source/library/lux.lux index 16fb17d92..84f0ddf14 100644 --- a/stdlib/source/library/lux.lux +++ b/stdlib/source/library/lux.lux @@ -2997,17 +2997,17 @@ (-> Pattern Macro') ("lux type as" Macro' it)) -(def' .private (case_expansion#macro case_expansion pattern body branches) +(def' .private (when_expansion#macro when_expansion pattern body branches) (type_literal (-> (-> (List Code) (Meta (List Code))) Code Code (List Code) (Meta (List Code)))) (do meta#monad [pattern (one_expansion (total_expansion pattern)) pattern (static' #1 pattern) - branches (case_expansion branches)] + branches (when_expansion branches)] (in (list#partial pattern body branches)))) -(def' .private (case_expansion branches) +(def' .private (when_expansion branches) (type_literal (-> (List Code) (Meta (List Code)))) ({{#Item [@composite {#Form {#Item [@symbol {#Symbol global}] parameters}}] {#Item body @@ -3020,46 +3020,46 @@ (do meta#monad [branches'' ((pattern_macro ("lux type as" Pattern value)) (list#partial (form$ parameters) body branches'))] - (case_expansion branches'')) - (case_expansion#macro case_expansion [@composite {#Form {#Item [@symbol {#Symbol global}] parameters}}] body branches')) + (when_expansion branches'')) + (when_expansion#macro when_expansion [@composite {#Form {#Item [@symbol {#Symbol global}] parameters}}] body branches')) {#None} - (case_expansion#macro case_expansion [@composite {#Form {#Item [@symbol {#Symbol global}] parameters}}] body branches')} + (when_expansion#macro when_expansion [@composite {#Form {#Item [@symbol {#Symbol global}] parameters}}] body branches')} ?type,value)) {#Item pattern {#Item body branches'}} - (case_expansion#macro case_expansion pattern body branches') + (when_expansion#macro when_expansion pattern body branches') {#End} (meta#in (list)) _ - (failure (all text#composite "'case' expects an even number of tokens: " (|> branches + (failure (all text#composite "'when' expects an even number of tokens: " (|> branches (list#each code#encoded) (list#interposed " ") list#reversed (list#mix text#composite ""))))} branches)) -(def' .public case +(def' .public when Macro (macro (_ tokens) ({{#Item value branches} (do meta#monad - [expansion (case_expansion branches)] + [expansion (when_expansion branches)] (in (list (` ((, (variant$ expansion)) (, value)))))) _ - (failure (..wrong_syntax_error (symbol ..case)))} + (failure (..wrong_syntax_error (symbol ..when)))} tokens))) (def' .private pattern#or Pattern (pattern (macro (_ tokens) - (case tokens + (when tokens (list#partial [_ {#Form patterns}] body branches) - (case patterns + (when patterns {#End} (failure "pattern#or cannot have 0 patterns") @@ -3073,7 +3073,7 @@ (def' .private (symbol? code) (type_literal (-> Code Bit)) - (case code + (when code [_ {#Symbol _}] #1 @@ -3083,9 +3083,9 @@ (def' .public let Macro (macro (_ tokens) - (case tokens + (when tokens (list [_ {#Tuple bindings}] body) - (case (..pairs bindings) + (when (..pairs bindings) {#Some bindings} (|> bindings list#reversed @@ -3094,7 +3094,7 @@ (let' [[l r] lr] (if (symbol? l) (` ({(, l) (, body')} (, r))) - (` (case (, r) (, l) (, body'))))))) + (` (when (, r) (, l) (, body'))))))) body) list meta#in) @@ -3108,8 +3108,8 @@ (def' .public function Macro (macro (_ tokens) - (case (is (Maybe [Text Code (List Code) Code]) - (case tokens + (when (is (Maybe [Text Code (List Code) Code]) + (when tokens (list [_ {#Form (list#partial [_ {#Symbol ["" name]}] head tail)}] body) {#Some name head tail body} @@ -3123,7 +3123,7 @@ (if (symbol? arg) (` ([(, g!name) (, arg)] (, body'))) (` ([(, g!name) (, g!blank)] - (.case (, g!blank) (, arg) (, body'))))))))] + (.when (, g!blank) (, arg) (, body'))))))))] (meta#in (list (nest (..local$ g!name) head (list#mix (nest g!blank) body (list#reversed tail)))))) @@ -3138,7 +3138,7 @@ (def' .private (parsed parser tokens) (type_literal (All (_ a) (-> (Parser a) (List Code) (Maybe a)))) - (case (parser tokens) + (when (parser tokens) {#Some [(list) it]} {#Some it} @@ -3157,12 +3157,12 @@ (-> (Parser l) (Parser r) (Parser (Or l r))))) - (case (leftP tokens) + (when (leftP tokens) {#Some [tokens left]} {#Some [tokens {#Left left}]} _ - (case (rightP tokens) + (when (rightP tokens) {#Some [tokens right]} {#Some [tokens {#Right right}]} @@ -3175,7 +3175,7 @@ (-> (Parser a) (Parser a) (Parser a)))) - (case (leftP tokens) + (when (leftP tokens) {#None} (rightP tokens) @@ -3211,7 +3211,7 @@ (All (_ a) (-> (Parser a) (Parser (List a))))) - (case (itP tokens) + (when (itP tokens) {#Some [tokens head]} (do maybe#monad [it (someP itP tokens) @@ -3238,7 +3238,7 @@ (All (_ a) (-> (Parser a) (Parser (Maybe a))))) - (case (itP tokens) + (when (itP tokens) {#Some [tokens it]} {#Some [tokens {#Some it}]} @@ -3249,7 +3249,7 @@ (type_literal (All (_ a) (-> (Parser a) (Parser a)))) - (case tokens + (when tokens (list#partial [_ {#Tuple input}] tokens') (do maybe#monad [it (parsed itP input)] @@ -3262,7 +3262,7 @@ (type_literal (All (_ a) (-> (Parser a) (Parser a)))) - (case tokens + (when tokens (list#partial [_ {#Form input}] tokens') (do maybe#monad [it (parsed itP input)] @@ -3273,7 +3273,7 @@ (def' .private (bindingP tokens) (type_literal (Parser [Text Code])) - (case tokens + (when tokens (list#partial [_ {#Symbol ["" name]}] value &rest) {#Some [&rest [name value]]} @@ -3282,7 +3282,7 @@ (def' .private (endP tokens) (type_literal (Parser Any)) - (case tokens + (when tokens (list) {#Some [tokens []]} @@ -3291,7 +3291,7 @@ (def' .private (anyP tokens) (type_literal (Parser Code)) - (case tokens + (when tokens (list#partial code tokens') {#Some [tokens' code]} @@ -3300,7 +3300,7 @@ (def' .private (localP tokens) (type_literal (-> (List Code) (Maybe [(List Code) Text]))) - (case tokens + (when tokens (list#partial [_ {#Symbol ["" local]}] tokens') {#Some [tokens' local]} @@ -3309,7 +3309,7 @@ (def' .private (symbolP tokens) (type_literal (-> (List Code) (Maybe [(List Code) Symbol]))) - (case tokens + (when tokens (list#partial [_ {#Symbol it}] tokens') {#Some [tokens' it]} @@ -3319,7 +3319,7 @@ (with_template [ ] [(def' .private ( tokens) (type_literal (-> (List Code) (Maybe (List )))) - (case tokens + (when tokens {#End} {#Some {#End}} @@ -3337,7 +3337,7 @@ (with_template [ ] [(def' .private ( tokens) (type_literal (Parser [Text (List )])) - (case tokens + (when tokens (list#partial [_ {#Form local_declaration}] tokens') (do maybe#monad [% (localP local_declaration) @@ -3357,9 +3357,9 @@ (def' .private (export_policyP tokens) (type_literal (-> (List Code) [(List Code) Code])) - (case tokens + (when tokens (list#partial candidate tokens') - (case candidate + (when candidate [_ {#Bit it}] [tokens' candidate] @@ -3390,7 +3390,7 @@ (def' .private (bodyP tokens) (type_literal (-> (List Code) (Maybe [(List Code) [(Maybe Code) Code]]))) - (case tokens + (when tokens ... TB (list#partial type body tokens') {#Some [tokens' [{#Some type} body]]} @@ -3415,16 +3415,16 @@ (def' .public def Macro (macro (_ tokens) - (case (definitionP tokens) + (when (definitionP tokens) {#Some [export_policy name parameters ?type body]} - (let [body (case parameters + (let [body (when parameters {#End} body _ (` (function ((, (..local$ name)) (,* parameters)) (, body)))) - body (case ?type + body (when ?type {#Some type} (` (is (, type) (, body))) @@ -3441,7 +3441,7 @@ (with_template [
] [(def .public (macro (_ tokens) - (case (list#reversed tokens) + (when (list#reversed tokens) (list#partial last init) (meta#in (list (list#mix (is (-> Code Code Code) (function (_ pre post) (` ))) @@ -3464,10 +3464,10 @@ (def maybe#else (macro (_ tokens state) - (case tokens + (when tokens (list else maybe) (let [g!temp (is Code [dummy_location {#Symbol ["" ""]}]) - code (` (case (, maybe) + code (` (when (, maybe) {.#Some (, g!temp)} (, g!temp) @@ -3480,7 +3480,7 @@ (def (text#all_split_by splitter input) (-> Text Text (List Text)) - (case (..index splitter input) + (when (..index splitter input) {#None} (list input) @@ -3496,7 +3496,7 @@ (def (item idx xs) (All (_ a) (-> Nat (List a) (Maybe a))) - (case xs + (when xs {#End} {#None} @@ -3508,7 +3508,7 @@ ... https://en.wikipedia.org/wiki/Lambda_calculus#%CE%B2-reduction (def (reduced env type) (-> (List Type) Type Type) - (case type + (when type {#Sum left right} {#Sum (reduced env left) (reduced env right)} @@ -3519,7 +3519,7 @@ {#Apply (reduced env arg) (reduced env func)} {#UnivQ ?local_env ?local_def} - (case ?local_env + (when ?local_env {#End} {#UnivQ env ?local_def} @@ -3527,7 +3527,7 @@ type) {#ExQ ?local_env ?local_def} - (case ?local_env + (when ?local_env {#End} {#ExQ env ?local_def} @@ -3538,7 +3538,7 @@ {#Function (reduced env ?input) (reduced env ?output)} {#Parameter idx} - (case (item idx env) + (when (item idx env) {#Some parameter} parameter @@ -3554,7 +3554,7 @@ (def (applied_type param type_fn) (-> Type Type (Maybe Type)) - (case type_fn + (when type_fn {#UnivQ env body} {#Some (reduced (list#partial type_fn param env) body)} @@ -3574,7 +3574,7 @@ (def (interface_methods type) (-> Type (Maybe (List Type))) - (case type + (when type {#Product _} {#Some (flat_tuple type)} @@ -3605,7 +3605,7 @@ ..#scopes scopes ..#type_context types ..#host host ..#seed seed ..#expected expected ..#location location ..#extensions extensions ..#scope_type_vars scope_type_vars ..#eval _eval] state] - (case (property#value name modules) + (when (property#value name modules) {#Some module} {#Right state module} @@ -3621,7 +3621,7 @@ ..#definitions definitions ..#imports _ ..#module_state _] =module]] - (case (property#value name definitions) + (when (property#value name definitions) {#Some {#Slot [exported type group index]}} (meta#in [index (list#each (function (_ slot) @@ -3635,7 +3635,7 @@ (def (record_slots type) (-> Type (Meta (Maybe [(List Symbol) (List Type)]))) - (case type + (when type {#Apply arg func} (record_slots func) @@ -3653,9 +3653,9 @@ ..#definitions definitions ..#imports _ ..#module_state _] =module]] - (case (property#value name definitions) + (when (property#value name definitions) {#Some {#Type [exported? {#Named _ _type} {#Right slots}]}} - (case (interface_methods _type) + (when (interface_methods _type) {#Some members} (meta#in {#Some [(list#each (function (_ slot) [module slot]) {#Item slots}) @@ -3677,7 +3677,7 @@ ..#scopes scopes ..#type_context types ..#host host ..#seed seed ..#expected expected ..#location location ..#extensions extensions ..#scope_type_vars scope_type_vars ..#eval _eval] state] - (case expected + (when expected {#Some type} {#Right state type} @@ -3691,7 +3691,7 @@ implementation_type ..expected_type tags+type (record_slots implementation_type) tags (is (Meta (List Symbol)) - (case tags+type + (when tags+type {#Some [tags _]} (meta#in tags) @@ -3707,9 +3707,9 @@ members (monad#each meta#monad (is (-> Code (Meta (List Code))) (function (_ token) - (case token + (when token [_ {#Form (list [_ {#Text "lux def"}] [_ {#Symbol ["" slot_name]}] value export_policy)}] - (case (property#value slot_name tag_mappings) + (when (property#value slot_name tag_mappings) {#Some tag} (in (list tag value)) @@ -3723,7 +3723,7 @@ (def (text#interposed separator parts) (-> Text (List Text) Text) - (case parts + (when parts {#End} "" @@ -3742,12 +3742,12 @@ (All (_ a) (-> (-> (List Code) (Maybe [(List Code) a])) (-> (List Code) (Maybe (List a))))) - (case tokens + (when tokens {#Item _} (do maybe#monad [% (itP tokens) .let [[tokens' head] %] - tail (case tokens' + tail (when tokens' {#Item _} (everyP itP tokens') @@ -3758,33 +3758,33 @@ {#End} {#Some (list)})) -(def (caseP tokens) +(def (whenP tokens) (-> (List Code) (Maybe [(List Code) [Text Code]])) - (case tokens + (when tokens (list#partial [_ {#Variant (list [_ {#Symbol ["" niladic]}])}] tokens') {#Some [tokens' [niladic (` .Any)]]} - (list#partial [_ {#Variant (list#partial [_ {#Symbol ["" polyadic]}] caseT)}] tokens') - {#Some [tokens' [polyadic (` (..Tuple (,* caseT)))]]} + (list#partial [_ {#Variant (list#partial [_ {#Symbol ["" polyadic]}] whenT)}] tokens') + {#Some [tokens' [polyadic (` (..Tuple (,* whenT)))]]} _ {#None})) (def .public Variant (macro (_ tokens) - (case (everyP caseP tokens) - {#Some cases} - (meta#in (list (` (..Union (,* (list#each product#right cases)))) - (variant$ (list#each (function (_ case) - (text$ (product#left case))) - cases)))) + (when (everyP whenP tokens) + {#Some whens} + (meta#in (list (` (..Union (,* (list#each product#right whens)))) + (variant$ (list#each (function (_ when) + (text$ (product#left when))) + whens)))) {#None} (failure (..wrong_syntax_error (symbol ..Variant)))))) (def (slotP tokens) (-> (List Code) (Maybe [(List Code) [Text Code]])) - (case tokens + (when tokens (list#partial [_ {#Symbol ["" slot]}] type tokens') {#Some [tokens' [slot type]]} @@ -3793,9 +3793,9 @@ (def .public Record (macro (_ tokens) - (case tokens + (when tokens (list [_ {#Tuple record}]) - (case (everyP slotP record) + (when (everyP slotP record) {#Some slots} (meta#in (list (` (..Tuple (,* (list#each product#right slots)))) (tuple$ (list#each (function (_ slot) @@ -3820,7 +3820,7 @@ (def (textP tokens) (-> (List Code) (Maybe [(List Code) Text])) - (case tokens + (when tokens (list#partial [_ {#Text it}] tokens') {#Some [tokens' it]} @@ -3832,9 +3832,9 @@ ({[_ {#Form {#Item [_ {#Symbol declarer}] parameters}}] (do meta#monad [declaration (single_expansion (form$ (list#partial (symbol$ declarer) parameters)))] - (case declaration + (when declaration (list type [_ {#Variant tags}]) - (case (everyP textP tags) + (when (everyP textP tags) {#Some tags} (meta#in [type {#Some {#Left tags}}]) @@ -3842,7 +3842,7 @@ (failure "Improper type-definition syntax")) (list type [_ {#Tuple slots}]) - (case (everyP textP slots) + (when (everyP textP slots) {#Some slots} (meta#in [type {#Some {#Right slots}}]) @@ -3861,7 +3861,7 @@ (def .public type (macro (_ tokens) - (case (typeP tokens) + (when (typeP tokens) {#Some [export_policy name args type_codes]} (do meta#monad [type+labels?? (..type_declaration type_codes) @@ -3869,23 +3869,23 @@ .let' [type_name (local$ name) [type labels??] type+labels?? type' (is (Maybe Code) - (case args + (when args {#End} {#Some type} _ {#Some (` (.All ((, type_name) (,* (list#each local$ args))) (, type)))}))]] - (case type' + (when type' {#Some type''} (let [typeC (` {.#Named [(, (text$ module_name)) (, (text$ name))] (..type_literal (, type''))})] - (meta#in (list (case labels?? + (meta#in (list (when labels?? {#Some labels} (` ("lux def type tagged" (, type_name) (, typeC) - (, (case labels + (, (when labels {#Left tags} (` {(,* (list#each text$ tags))}) @@ -3945,7 +3945,7 @@ (-> Text Text Text Text) ((is (-> Text Text Text) (function (again left right) - (case (..text#split_by pattern right) + (when (..text#split_by pattern right) {#Some [pre post]} (again (all "lux text concat" left pre replacement) post) @@ -3974,20 +3974,20 @@ (def (normal_parallel_path' hierarchy root) (-> Text Text Text) - (case [(text#split_by ..module_separator hierarchy) + (when [(text#split_by ..module_separator hierarchy) (text#split_by ..parallel_hierarchy_sigil root)] [{#Some [_ hierarchy']} {#Some ["" root']}] (normal_parallel_path' hierarchy' root') _ - (case root + (when root "" hierarchy _ (all text#composite root ..module_separator hierarchy)))) (def (normal_parallel_path hierarchy root) (-> Text Text (Maybe Text)) - (case (text#split_by ..parallel_hierarchy_sigil root) + (when (text#split_by ..parallel_hierarchy_sigil root) {#Some ["" root']} {#Some (normal_parallel_path' hierarchy root')} @@ -3996,7 +3996,7 @@ (def (relative_ups relatives input) (-> Nat Text Nat) - (case ("lux text index" relatives ..module_separator input) + (when ("lux text index" relatives ..module_separator input) {#None} relatives @@ -4007,7 +4007,7 @@ (def (list#after amount list) (All (_ a) (-> Nat (List a) (List a))) - (case [amount list] + (when [amount list] (pattern#or [0 _] [_ {#End}]) list @@ -4017,7 +4017,7 @@ (def (absolute_module_name nested? relative_root module) (-> Bit Text Text (Meta Text)) - (case (relative_ups 0 module) + (when (relative_ups 0 module) 0 (meta#in (if nested? (all "lux text concat" relative_root ..module_separator module) @@ -4033,7 +4033,7 @@ list#reversed (text#interposed ..module_separator)) clean ("lux text clip" relatives (|> module "lux text size" ("lux i64 -" relatives)) module) - output (case ("lux text size" clean) + output (when ("lux text size" clean) 0 prefix _ (all text#composite prefix ..module_separator clean))] (meta#in output)) @@ -4048,17 +4048,17 @@ [imports' (monad#each meta#monad (is (-> Code (Meta (List Importation))) (function (_ token) - (case token + (when token ... Nested [_ {#Tuple (list#partial [_ {#Symbol ["" module_name]}] extra)}] (do meta#monad - [absolute_module_name (case (normal_parallel_path relative_root module_name) + [absolute_module_name (when (normal_parallel_path relative_root module_name) {#Some parallel_path} (in parallel_path) {#None} (..absolute_module_name nested? relative_root module_name)) - extra,referral (case (referrals_parser #0 extra) + extra,referral (when (referrals_parser #0 extra) {#Some extra,referral} (in extra,referral) @@ -4066,7 +4066,7 @@ (failure "")) .let [[extra referral] extra,referral] sub_imports (imports_parser #1 absolute_module_name context extra)] - (in (case referral + (in (when referral {#End} sub_imports @@ -4078,13 +4078,13 @@ [_ {#Tuple (list#partial [_ {#Text alias}] [_ {#Symbol ["" module_name]}] extra)}] (do meta#monad - [absolute_module_name (case (normal_parallel_path relative_root module_name) + [absolute_module_name (when (normal_parallel_path relative_root module_name) {#Some parallel_path} (in parallel_path) {#None} (..absolute_module_name nested? relative_root module_name)) - extra,referral (case (referrals_parser #1 extra) + extra,referral (when (referrals_parser #1 extra) {#Some extra,referral} (in extra,referral) @@ -4093,7 +4093,7 @@ .let [[extra referral] extra,referral] .let [module_alias (..module_alias {#Item module_name context} alias)] sub_imports (imports_parser #1 absolute_module_name {#Item module_alias context} extra)] - (in (case referral + (in (when referral {#End} sub_imports @@ -4115,18 +4115,18 @@ (def (exported_definitions module state) (-> Text (Meta (List Text))) - (let [[current_module modules] (case state + (let [[current_module modules] (when state [..#info info ..#source source ..#current_module current_module ..#modules modules ..#scopes scopes ..#type_context types ..#host host ..#seed seed ..#expected expected ..#location location ..#extensions extensions ..#scope_type_vars scope_type_vars ..#eval _eval] [current_module modules])] - (case (property#value module modules) + (when (property#value module modules) {#Some =module} (let [to_alias (list#each (is (-> [Text Global] (List Text)) (function (_ [name definition]) - (case definition + (when definition {#Alias _} (list) @@ -4152,7 +4152,7 @@ {#None} {#Left (all text#composite "Unknown module: " (text#encoded module) \n - "Current module: " (case current_module + "Current module: " (when current_module {#Some current_module} (text#encoded current_module) @@ -4168,7 +4168,7 @@ (def (list#only p xs) (All (_ a) (-> (-> a Bit) (List a) (List a))) - (case xs + (when xs {#End} (list) @@ -4177,13 +4177,13 @@ {#Item x (list#only p xs')} (list#only p xs')))) -(def (is_member? cases name) +(def (is_member? whens name) (-> (List Text) Text Bit) - (let [output (list#mix (function (_ case prev) + (let [output (list#mix (function (_ when prev) (or prev - (text#= case name))) + (text#= when name))) #0 - cases)] + whens)] output)) (def (test_referrals current_module imported_module all_defs referred_defs) @@ -4202,7 +4202,7 @@ (def .public only (macro (_ tokens) - (case (..parsed (all ..andP + (when (..parsed (all ..andP ..textP ..textP ..textP @@ -4233,7 +4233,7 @@ (def .public except (macro (_ tokens) - (case (..parsed (all ..andP + (when (..parsed (all ..andP ..textP ..textP ..textP @@ -4257,7 +4257,7 @@ ..#scopes scopes ..#type_context types ..#host host ..#seed seed ..#expected expected ..#location location ..#extensions extensions ..#scope_type_vars scope_type_vars ..#eval _eval] state] - (case (property#value expected_module modules) + (when (property#value expected_module modules) {#None} {#None} @@ -4266,12 +4266,12 @@ ..#module_aliases _ ..#imports _ ..#module_state _]} - (case (property#value expected_short definitions) + (when (property#value expected_short definitions) {#None} {#None} {#Some definition} - (case definition + (when definition {#Alias real_name} (definition_type real_name state) @@ -4289,7 +4289,7 @@ (def (type_variable idx bindings) (-> Nat (List [Nat (Maybe Type)]) (Maybe Type)) - (case bindings + (when bindings {#End} {#End} @@ -4306,31 +4306,31 @@ (function (_ compiler) (let [temp (is (Either Text [Lux Type]) (if (text#= "" module) - (case (in_env name compiler) + (when (in_env name compiler) {#Some implementation_type} {#Right [compiler implementation_type]} _ - (case (definition_type [current_module name] compiler) + (when (definition_type [current_module name] compiler) {#Some implementation_type} {#Right [compiler implementation_type]} _ {#Left (all text#composite "Unknown var: " (symbol#encoded full_name))})) - (case (definition_type full_name compiler) + (when (definition_type full_name compiler) {#Some implementation_type} {#Right [compiler implementation_type]} _ {#Left (all text#composite "Unknown var: " (symbol#encoded full_name))})))] - (case temp + (when temp {#Right [compiler {#Var type_id}]} (let [[..#info _ ..#source _ ..#current_module _ ..#modules _ ..#scopes _ ..#type_context type_context ..#host _ ..#seed _ ..#expected _ ..#location _ ..#extensions extensions ..#scope_type_vars _ ..#eval _eval] compiler [..#ex_counter _ ..#var_counter _ ..#var_bindings var_bindings] type_context] - (case (type_variable type_id var_bindings) + (when (type_variable type_id var_bindings) {#None} temp @@ -4343,9 +4343,9 @@ (def (list#all choice items) (All (_ a b) (-> (-> a (Maybe b)) (List a) (List b))) - (case items + (when items {#Item head tail} - (case (choice head) + (when (choice head) {#Some head} {#Item head (list#all choice tail)} @@ -4389,7 +4389,7 @@ next (|> layer (list#each product#right) list#conjoint)]] - (case next + (when next {#End} (in [pattern body]) @@ -4398,19 +4398,19 @@ [.let [sub_value (tuple$ (list#each (|>> product#left symbol$) next))] sub_pattern,sub_body (open_layers alias (list#each product#right next) body) .let [[sub_pattern sub_body] sub_pattern,sub_body]] - (in [pattern (` (case (, sub_value) + (in [pattern (` (when (, sub_value) (, sub_pattern) (, sub_body)))]))))) (def .public open (pattern (macro (_ tokens) - (case tokens + (when tokens (list#partial [_ {#Form (list [_ {#Text alias}])}] body branches) (do meta#monad [g!temp (..generated_symbol "temp")] (in (list#partial g!temp - (` (..case (, g!temp) + (` (..when (, g!temp) (..open (, g!temp) (, (text$ alias))) (, body))) branches))) @@ -4421,7 +4421,7 @@ (do meta#monad [init_type (type_definition name) implementation_evidence (record_slots init_type)] - (case implementation_evidence + (when implementation_evidence {#None} (failure (text#composite "Can only 'open' implementations: " (type#encoded init_type))) @@ -4436,9 +4436,9 @@ (def .public cond (macro (_ tokens) - (case (list#reversed tokens) + (when (list#reversed tokens) (list#partial else branches') - (case (pairs branches') + (when (pairs branches') {#Some branches'} (meta#in (list (list#mix (is (-> [Code Code] Code Code) (function (_ branch else) @@ -4456,7 +4456,7 @@ (def (enumeration' idx xs) (All (_ a) (-> Nat (List a) (List [Nat a]))) - (case xs + (when xs {#Item x xs'} {#Item [idx x] (enumeration' ("lux i64 +" 1 idx) xs')} @@ -4470,7 +4470,7 @@ (def .public the (macro (_ tokens) - (case tokens + (when tokens (list [_ {#Symbol slot'}] record) (do meta#monad [slot (normal slot') @@ -4478,7 +4478,7 @@ .let [[idx tags exported? type] output] g!_ (..generated_symbol "_") g!output (..generated_symbol "")] - (case (interface_methods type) + (when (interface_methods type) {#Some members} (let [pattern (|> (zipped_2 tags (enumeration members)) (list#each (is (-> [Symbol [Nat Type]] (List Code)) @@ -4524,7 +4524,7 @@ g!_))) tuple$) source+ (` ({(, pattern) (, g!output)} (, source)))]] - (case output + (when output {#Some [tags' members']} (do meta#monad [decls' (monad#each meta#monad @@ -4544,7 +4544,7 @@ (do meta#monad [interface (type_definition implementation) output (record_slots interface)] - (case output + (when output {#Some [slots terms]} (do meta#monad [.let [g!implementation (symbol$ implementation)] @@ -4561,7 +4561,7 @@ (def (localized module global) (-> Text Symbol Symbol) - (case global + (when global ["" local] [module local] @@ -4570,7 +4570,7 @@ (def .public use (macro (_ tokens) - (case (..parsed (all ..andP + (when (..parsed (all ..andP (..maybeP (all ..andP ..textP ..textP @@ -4581,13 +4581,13 @@ tokens) {.#Some [current_module,imported_module,import_alias alias implementations]} (let [[current_module imported_module import_alias] - (case current_module,imported_module,import_alias + (when current_module,imported_module,import_alias {#Some [current_module imported_module import_alias]} [current_module imported_module import_alias] {#None} ["" "" ""])] - (case implementations + (when implementations {#Left implementations} (do meta#monad [declarations (|> implementations @@ -4600,7 +4600,7 @@ [pre_defs,implementations (is (Meta [(List Code) (List Code)]) (monad#mix meta#monad (function (_ it [pre_defs implementations]) - (case it + (when it [_ {#Symbol _}] (in [pre_defs {#Item it implementations}]) @@ -4636,7 +4636,7 @@ (def (referrals module_name extra) (-> Text (List Code) (Meta (List Referral))) (do meta#monad - [extra,referral (case (referrals_parser #0 extra) + [extra,referral (when (referrals_parser #0 extra) {#Some extra,referral} (in extra,referral) @@ -4644,7 +4644,7 @@ (failure "")) .let [[extra referral] extra,referral] current_module current_module_name] - (case extra + (when extra {#End} (in referral) @@ -4659,7 +4659,7 @@ (def .public refer (macro (_ tokens) - (case tokens + (when tokens (list#partial [_ {#Text imported_module}] [_ {#Text alias}] options) (do meta#monad [referrals (..referrals imported_module options) @@ -4677,7 +4677,7 @@ (def .public with (macro (_ tokens) - (case (..parsed (..andP ..anyP ..anyP) + (when (..parsed (..andP ..anyP ..anyP) tokens) {.#Some [implementation expression]} (meta#in (list (` (..let [(..open (, (text$ (alias_stand_in 0)))) (, implementation)] @@ -4688,7 +4688,7 @@ (def .public at (macro (_ tokens) - (case tokens + (when tokens (list implementation [_ {#Symbol member}]) (meta#in (list (` (..with (, implementation) (, (symbol$ member)))))) @@ -4700,13 +4700,13 @@ (def .public has (macro (_ tokens) - (case tokens + (when tokens (list [_ {#Symbol slot'}] value record) (do meta#monad [slot (normal slot') output (..type_slot slot) .let [[idx tags exported? type] output]] - (case (interface_methods type) + (when (interface_methods type) {#Some members} (do meta#monad [pattern' (monad#each meta#monad @@ -4738,7 +4738,7 @@ (failure "has can only use records."))) (list [_ {#Tuple slots}] value record) - (case slots + (when slots {#End} (failure (..wrong_syntax_error (symbol ..has))) @@ -4784,13 +4784,13 @@ (def .public revised (macro (_ tokens) - (case tokens + (when tokens (list [_ {#Symbol slot'}] fun record) (do meta#monad [slot (normal slot') output (..type_slot slot) .let [[idx tags exported? type] output]] - (case (interface_methods type) + (when (interface_methods type) {#Some members} (do meta#monad [pattern' (monad#each meta#monad @@ -4822,7 +4822,7 @@ (failure "revised can only use records."))) (list [_ {#Tuple slots}] fun record) - (case slots + (when slots {#End} (failure (..wrong_syntax_error (symbol ..revised))) @@ -4855,12 +4855,12 @@ (def .private with_template#pattern (pattern (macro (_ tokens) - (case tokens + (when tokens (list#partial [_ {#Form (list [_ {#Tuple bindings}] [_ {#Tuple templates}])}] [_ {#Form data}] branches) - (case (is (Maybe (List Code)) + (when (is (Maybe (List Code)) (do maybe#monad [bindings' (monad#each maybe#monad symbol_short bindings) data' (monad#each maybe#monad tuple_list data)] @@ -4896,12 +4896,12 @@ (def (interleaved xs ys) (All (_ a) (-> (List a) (List a) (List a))) - (case xs + (when xs {#End} {#End} {#Item x xs'} - (case ys + (when ys {#End} {#End} @@ -4910,7 +4910,7 @@ (def (type_code type) (-> Type Code) - (case type + (when type {#Primitive name params} (` {.#Primitive (, (text$ name)) (, (untemplated_list (list#each type_code params)))}) @@ -4941,22 +4941,22 @@ (def .public loop (macro (_ tokens) - (let [?params (case tokens + (let [?params (when tokens (list [_ {#Form (list name [_ {#Tuple bindings}])}] body) {#Some [name bindings body]} _ {#None})] - (case ?params + (when ?params {#Some [name bindings body]} - (case (pairs bindings) + (when (pairs bindings) {#Some pairs} (let [vars (list#each product#left pairs) inits (list#each product#right pairs)] (if (every? symbol? inits) (do meta#monad [inits' (is (Meta (List Symbol)) - (case (monad#each maybe#monad symbol_name inits) + (when (monad#each maybe#monad symbol_name inits) {#Some inits'} (meta#in inits') {#None} (failure (..wrong_syntax_error (symbol ..loop))))) init_types (monad#each meta#monad type_definition inits') @@ -4985,7 +4985,7 @@ (def .public with_expansions (let [with_expansions' (is (-> Text (List Code) Code (List Code)) (function (with_expansions' label tokens target) - (case target + (when target (pattern#or [_ {#Bit _}] [_ {#Nat _}] [_ {#Int _}] @@ -5007,7 +5007,7 @@ [#Variant] [#Tuple]))))] (macro (_ tokens) - (case (parsed (andP (tupleP (someP bindingP)) (someP anyP)) tokens) + (when (parsed (andP (tupleP (someP bindingP)) (someP anyP)) tokens) {#Some [bindings bodies]} (loop (again [bindings bindings map (is (Property_List (List Code)) @@ -5018,10 +5018,10 @@ (list#conjoint (list#each (with_expansions' binding expansion) it))) (list it) map)))] - (case bindings + (when bindings {#Item [var_name expr] &rest} (do meta#monad - [expansion (case (normal expr) + [expansion (when (normal expr) (list expr) (single_expansion expr) @@ -5045,7 +5045,7 @@ (def .public as_expected (macro (_ tokens) - (case tokens + (when tokens (list expr) (do meta#monad [type ..expected_type] @@ -5059,7 +5059,7 @@ (function (_ compiler) {#Right [compiler (the #location compiler)]}))] (macro (_ tokens) - (case tokens + (when tokens {#End} (do meta#monad [location location @@ -5073,7 +5073,7 @@ (def .public type_of (macro (_ tokens) - (case tokens + (when tokens (list [_ {#Symbol var_name}]) (do meta#monad [var_type (type_definition var_name)] @@ -5106,7 +5106,7 @@ (` (`' (, (with_replacements replacement_environment template))))))] (macro (_ tokens) - (case (templateP tokens) + (when (templateP tokens) {#Some [name args input_templates]} (do meta#monad [g!tokens (..generated_symbol "tokens") @@ -5114,7 +5114,7 @@ g!_ (..generated_symbol "_") this_module ..current_module_name] (in (list (` (..macro ((, (local$ name)) (, g!tokens) (, g!compiler)) - (case (, g!tokens) + (when (, g!tokens) (list (,* (list#each local$ args))) {.#Right [(, g!compiler) (list (,* (list#each (instantiated_template (simple_replacement_environment args)) @@ -5143,7 +5143,7 @@ (def .public char (macro (_ tokens compiler) - (case tokens + (when tokens (list [_ {#Text input}]) (if (|> input "lux text size" ("lux i64 =" 1)) (|> input ("lux text char" 0) @@ -5160,7 +5160,7 @@ {#Right [compiler (the [#info #target] compiler)]})) platform_name (is (-> Code (Meta Text)) (function (_ choice) - (case choice + (when choice [_ {#Text platform}] (..meta#in platform) @@ -5169,7 +5169,7 @@ [symbol (..global_symbol symbol) type+value (..definition_value symbol) .let [[type value] type+value]] - (case (anonymous_type type) + (when (anonymous_type type) {#Primitive "#Text" {#End}} (in (as ..Text value)) @@ -5184,9 +5184,9 @@ \n "Must be either a text literal or a symbol."))))) target_pick (is (-> Text (List [Code Code]) (Maybe Code) (Meta (List Code))) (function (target_pick target options default) - (case options + (when options {#End} - (case default + (when default {#None} (failure (all text#composite "No code for target platform: " target)) @@ -5200,7 +5200,7 @@ (meta#in (list pick)) (target_pick target options' default))))))] (macro (_ tokens) - (case (..parsed (..andP (..someP (..andP ..anyP ..anyP)) + (when (..parsed (..andP (..someP (..andP ..anyP ..anyP)) (..maybeP ..anyP)) tokens) {.#Some [options default]} @@ -5214,7 +5214,7 @@ ... TODO: Delete "scope_type_vars" (including the #scope_type_vars Lux state) and "parameter" ASAP. (for "{old}" (these (def (scope_type_vars state) (Meta (List Nat)) - (case state + (when state [..#info info ..#source source ..#current_module _ ..#modules modules ..#scopes scopes ..#type_context types ..#host host ..#seed seed ..#expected expected ..#location location ..#extensions extensions @@ -5223,11 +5223,11 @@ (def .public parameter (macro (_ tokens) - (case tokens + (when tokens (list [_ {#Nat idx}]) (do meta#monad [stvs ..scope_type_vars] - (case (..item idx (list#reversed stvs)) + (when (..item idx (list#reversed stvs)) {#Some var_id} (in (list (` {.#Ex (, (nat$ var_id))}))) @@ -5286,7 +5286,7 @@ (def .public ,, (..immediate_unquote (macro (_ it) - (case it + (when it (list it) (meta#in (list it)) @@ -5305,20 +5305,20 @@ (def (embedded_expansions code) (-> Code (Meta [(List Code) Code])) - (case code + (when code [@ {#Form (list#partial [@symbol {#Symbol original_symbol}] parameters)}] (with_expansions [ (aggregate_embedded_expansions embedded_expansions @ #Form (list#partial [@symbol {#Symbol original_symbol}] parameters))] (do meta#monad [resolved_symbol (..normal original_symbol) ?resolved_symbol (meta#try (..global_symbol resolved_symbol))] - (case ?resolved_symbol + (when ?resolved_symbol {#Left _} {#Right resolved_symbol} (do meta#monad [?type,value (meta#try (..definition_value resolved_symbol))] - (case ?type,value + (when ?type,value {#Left _} @@ -5343,7 +5343,7 @@ (def .public `` (macro (_ tokens) - (case tokens + (when tokens (list raw) (do meta#monad [=raw (..embedded_expansions raw) @@ -5363,7 +5363,7 @@ (def .public try (macro (_ tokens) - (case tokens + (when tokens (list expression) (do meta#monad [g!_ (..generated_symbol "g!_")] @@ -5376,7 +5376,7 @@ (def (methodP tokens) (-> (List Code) (Maybe [(List Code) [Text Code]])) - (case tokens + (when tokens (list#partial [_ {#Form (list [_ {#Text "lux type check"}] type [_ {#Symbol ["" name]}])}] @@ -5390,7 +5390,7 @@ (macro (_ tokens) (do meta#monad [methods' (monad#each meta#monad complete_expansion tokens)] - (case (everyP methodP (list#conjoint methods')) + (when (everyP methodP (list#conjoint methods')) {#Some methods} (in (list (` (..Tuple (,* (list#each product#right methods)))) (tuple$ (list#each (|>> product#left text$) methods)))) @@ -5406,13 +5406,13 @@ (, (let$ (local$ name) (` {.#Apply (..Primitive "") (, g!self)}) body)))})))] (macro (_ tokens) - (case tokens + (when tokens (list [_ {#Symbol "" name}] body) (do meta#monad [body' (complete_expansion body) g!self (generated_symbol "g!self") g!dummy (generated_symbol "g!dummy")] - (case body' + (when body' (list body' labels) (in (list (recursive_type g!self g!dummy name body') labels)) diff --git a/stdlib/source/library/lux/abstract/comonad.lux b/stdlib/source/library/lux/abstract/comonad.lux index 15a1e96d3..5cf0679df 100644 --- a/stdlib/source/library/lux/abstract/comonad.lux +++ b/stdlib/source/library/lux/abstract/comonad.lux @@ -25,8 +25,8 @@ (def .public be (macro (_ tokens state) - (case (is (Maybe [(Maybe Text) Code (List Code) Code]) - (case tokens + (when (is (Maybe [(Maybe Text) Code (List Code) Code]) + (when tokens (list [_ {.#Tuple (list [_ {.#Symbol ["" name]}] comonad)}] [_ {.#Tuple bindings}] body) {.#Some [{.#Some name} comonad bindings body]} @@ -36,7 +36,7 @@ _ {.#None})) {.#Some [?name comonad bindings body]} - (case (list.pairs bindings) + (when (list.pairs bindings) {.#Some bindings} (let [[module short] (symbol ..be) symbol (is (-> Text Code) @@ -48,7 +48,7 @@ (function (_ binding body') (with_expansions [ (` (|> (, value) (, g!disjoint) ((, g!each) (function ((, g!_) (, var)) (, body')))))] (let [[var value] binding] - (case var + (when var [_ {.#Symbol ["" _]}] @@ -59,17 +59,17 @@ ))))) body (list.reversed bindings))] - {.#Right [state (list (case ?name + {.#Right [state (list (when ?name {.#Some name} (let [name [location.dummy {.#Symbol ["" name]}]] - (` (.case (, comonad) + (` (.when (, comonad) (, name) - (.case (, name) + (.when (, name) [(, g!each) (,' out) (, g!disjoint)] (, body'))))) {.#None} - (` (.case (, comonad) + (` (.when (, comonad) [(, g!each) (,' out) (, g!disjoint)] (, body')))))]}) diff --git a/stdlib/source/library/lux/abstract/functor.lux b/stdlib/source/library/lux/abstract/functor.lux index 583be0344..011f9a8d1 100644 --- a/stdlib/source/library/lux/abstract/functor.lux +++ b/stdlib/source/library/lux/abstract/functor.lux @@ -16,7 +16,7 @@ (All (_ F G) (-> (Functor F) (Functor G) (Functor (..Or F G)))) (implementation (def (each f fa|ga) - (case fa|ga + (when fa|ga {.#Left fa} {.#Left (f#each f fa)} diff --git a/stdlib/source/library/lux/abstract/monad.lux b/stdlib/source/library/lux/abstract/monad.lux index 71f981b3e..f2455e3f8 100644 --- a/stdlib/source/library/lux/abstract/monad.lux +++ b/stdlib/source/library/lux/abstract/monad.lux @@ -9,7 +9,7 @@ (def (list#mix f init xs) (All (_ a b) (-> (-> b a a) a (List b) a)) - (case xs + (when xs {.#End} init @@ -20,7 +20,7 @@ (All (_ a) (-> (List a) Nat)) (loop (again [counter 0 xs xs]) - (case xs + (when xs {.#End} counter @@ -36,7 +36,7 @@ (def (pairs xs) (All (_ a) (-> (List a) (List [a a]))) - (case xs + (when xs {.#Item x1 {.#Item x2 xs'}} {.#Item [x1 x2] (pairs xs')} @@ -56,8 +56,8 @@ (def .public do (macro (_ tokens state) - (case (is (Maybe [(Maybe Text) Code (List Code) Code]) - (case tokens + (when (is (Maybe [(Maybe Text) Code (List Code) Code]) + (when tokens (list [_ {.#Tuple (list [_ {.#Symbol ["" name]}] monad)}] [_ {.#Tuple bindings}] body) {.#Some [{.#Some name} monad bindings body]} @@ -78,7 +78,7 @@ (function (_ binding body') (with_expansions [ (` (|> (, value) ((, g!each) (function ((, g!_) (, var)) (, body'))) (, g!conjoint)))] (let [[var value] binding] - (case var + (when var [_ {.#Symbol ["" _]}] @@ -89,17 +89,17 @@ ))))) body (reversed (pairs bindings)))] - {.#Right [state (list (case ?name + {.#Right [state (list (when ?name {.#Some name} (let [name [location.dummy {.#Symbol ["" name]}]] - (` (.case (, monad) + (` (.when (, monad) (, name) - (.case (, name) + (.when (, name) [(, g!each) (,' in) (, g!conjoint)] (, body'))))) {.#None} - (` (.case (, monad) + (` (.when (, monad) [(, g!each) (,' in) (, g!conjoint)] (, body')))))]}) {.#Left "'do' bindings must have an even number of parts."}) @@ -120,7 +120,7 @@ (! (List a)))) (let [(open "!#[0]") monad] (function (again xs) - (case xs + (when xs {.#End} (!#in {.#End}) @@ -136,7 +136,7 @@ (M (List b)))) (let [(open "!#[0]") monad] (function (again xs) - (case xs + (when xs {.#End} (!#in {.#End}) @@ -152,7 +152,7 @@ (! (List a)))) (let [(open "!#[0]") monad] (function (again xs) - (case xs + (when xs {.#End} (!#in {.#End}) @@ -170,7 +170,7 @@ (All (_ M a b) (-> (Monad M) (-> b a (M a)) a (List b) (M a))) - (case xs + (when xs {.#End} (at monad in init) diff --git a/stdlib/source/library/lux/abstract/monad/free.lux b/stdlib/source/library/lux/abstract/monad/free.lux index 257d149b3..f0d5aabf8 100644 --- a/stdlib/source/library/lux/abstract/monad/free.lux +++ b/stdlib/source/library/lux/abstract/monad/free.lux @@ -15,7 +15,7 @@ (All (_ F) (-> (Functor F) (Functor (Free F)))) (implementation (def (each f ea) - (case ea + (when ea {#Pure a} {#Pure (f a)} @@ -29,7 +29,7 @@ (..functor dsl)) (def (on ea ef) - (case [ef ea] + (when [ef ea] [{#Pure f} {#Pure a}] {#Pure (f a)} @@ -51,9 +51,9 @@ {#Pure a}) (def (conjoint efefa) - (case efefa + (when efefa {#Pure efa} - (case efa + (when efa {#Pure a} {#Pure a} diff --git a/stdlib/source/library/lux/abstract/monad/indexed.lux b/stdlib/source/library/lux/abstract/monad/indexed.lux index c321b7c3d..602d65137 100644 --- a/stdlib/source/library/lux/abstract/monad/indexed.lux +++ b/stdlib/source/library/lux/abstract/monad/indexed.lux @@ -41,7 +41,7 @@ (Parser Symbol) (//.do <>.monad [[module short] .symbol - _ (<>.assertion "" (case module "" false _ true))] + _ (<>.assertion "" (when module "" false _ true))] (in [module short]))) (def context @@ -68,7 +68,7 @@ expression .any]) (macro.with_symbols [g!_ g!then] (let [body (list#mix (function (_ context next) - (case context + (when context {#Macro macro parameter} (` ((, (code.symbol macro)) (, parameter) @@ -81,7 +81,7 @@ (, value))))) expression (list.reversed context))] - (in (list (case ?name + (in (list (when ?name {.#Some name} (let [name (code.local name)] (` (let [(, name) (, monad) diff --git a/stdlib/source/library/lux/control/concatenative.lux b/stdlib/source/library/lux/control/concatenative.lux index d82d73232..9113b45d9 100644 --- a/stdlib/source/library/lux/control/concatenative.lux +++ b/stdlib/source/library/lux/control/concatenative.lux @@ -278,16 +278,6 @@ (function (_ [[stack arg] quote]) [stack (|>> (push arg) quote)])) -(def .public when - (All (_ ,,,) - (type.let [body (=> ,,, ,,,)] - (=> ,,, [Bit body] - ,,,))) - (|>> swap - (push ..call) - (push ..drop) - if)) - (def .public ? (All (_ a) (=> [Bit a a] [a])) diff --git a/stdlib/source/library/lux/control/concurrency/actor.lux b/stdlib/source/library/lux/control/concurrency/actor.lux index 7d7d7ca93..e1eb5ff68 100644 --- a/stdlib/source/library/lux/control/concurrency/actor.lux +++ b/stdlib/source/library/lux/control/concurrency/actor.lux @@ -40,7 +40,7 @@ (IO (List a)))) (do [! io.monad] [current (async.value read)] - (case current + (when current {.#Some [head tail]} (at ! each (|>> {.#Item head}) (pending tail)) @@ -76,7 +76,7 @@ (do [! async.monad] [[head tail] |mailbox| ?state' (behavior head state self)] - (case ?state' + (when ?state' {try.#Failure error} (let [[_ resolve] (the #obituary (representation self))] (exec (io.run! @@ -95,7 +95,7 @@ (|> obituary async.value (at io.functor each - (|>> (pipe.case + (|>> (pipe.when {.#None} bit.yes @@ -124,7 +124,7 @@ (loop (again [[|mailbox| resolve] |mailbox|&resolve]) (do ! [|mailbox| (async.value |mailbox|)] - (case |mailbox| + (when |mailbox| {.#None} (do ! [resolved? (resolve entry)] @@ -153,7 +153,7 @@ (function (_ state self) (do [! async.monad] [outcome (message state self)] - (case outcome + (when outcome {try.#Success [state' return]} (exec (io.run! (resolve {try.#Success return})) @@ -169,7 +169,7 @@ (let [[async mail] (..mail message)] (do async.monad [outcome (async.future (..mail! mail actor))] - (case outcome + (when outcome {try.#Success} async diff --git a/stdlib/source/library/lux/control/concurrency/async.lux b/stdlib/source/library/lux/control/concurrency/async.lux index 2e0193fbb..6a4f582de 100644 --- a/stdlib/source/library/lux/control/concurrency/async.lux +++ b/stdlib/source/library/lux/control/concurrency/async.lux @@ -49,7 +49,7 @@ (let [async (representation async)] (do [! io.monad] [(^.let old [_value _observers]) (atom.read! async)] - (case _value + (when _value {.#Some _} (in false) @@ -84,7 +84,7 @@ (do [! io.monad] [.let [async (representation async)] (^.let old [_value _observers]) (atom.read! async)] - (case _value + (when _value {.#Some value} (f (variance.read value)) @@ -100,7 +100,7 @@ (All (_ r w) (-> (Async' r w) (IO Bit))) (|>> ..value (at io.functor each - (|>> (pipe.case + (|>> (pipe.when {.#None} false diff --git a/stdlib/source/library/lux/control/concurrency/frp.lux b/stdlib/source/library/lux/control/concurrency/frp.lux index 36275bef4..c1b7c9931 100644 --- a/stdlib/source/library/lux/control/concurrency/frp.lux +++ b/stdlib/source/library/lux/control/concurrency/frp.lux @@ -105,7 +105,7 @@ (do async.monad [item_f ff item_a fa] - (case [item_f item_a] + (when [item_f item_a] [{.#Some [head_f tail_f]} {.#Some [head_a tail_a]}] (in {.#Some [(head_f head_a) (on tail_a tail_f)]}) @@ -136,13 +136,13 @@ (loop (again [mma mma]) (do [! async.monad] [?mma mma] - (case ?mma + (when ?mma {.#Some [ma mma']} (do ! [_ (loop (again [ma ma]) (do ! [?ma ma] - (case ?ma + (when ?ma {.#Some [a ma']} (exec (io.run! (at sink feed a)) @@ -169,9 +169,9 @@ it)]) (do async.monad [item it] - (case item + (when item {.#Some [head tail]} - (case (io.run! (subscriber head)) + (when (io.run! (subscriber head)) {.#Some _} (again tail) @@ -186,7 +186,7 @@ (All (_ a) (-> (-> a Bit) (Channel a) (Channel a))) (do async.monad [item it] - (case item + (when item {.#Some [head tail]} (let [tail' (only pass? tail)] (if (pass? head) @@ -208,7 +208,7 @@ (Async a))) (do [! async.monad] [item it] - (case item + (when item {.#None} (in init) @@ -226,7 +226,7 @@ [init] (do [! async.monad] [item it] - (case item + (when item {.#None} (in {.#None}) @@ -255,7 +255,7 @@ (All (_ s o) (-> (-> s (Async (Maybe [s o]))) s (Channel o))) (do async.monad [?next (f init)] - (in (case ?next + (in (when ?next {.#Some [state output]} {.#Some [output (iterations f state)]} @@ -266,7 +266,7 @@ (All (_ a) (-> (Equivalence a) a (Channel a) (Channel a))) (do async.monad [item it] - (case item + (when item {.#Some [head tail]} (if (at equivalence = previous head) (distinct' equivalence previous tail) @@ -279,7 +279,7 @@ (All (_ a) (-> (Equivalence a) (Channel a) (Channel a))) (do async.monad [item it] - (in (case item + (in (when item {.#Some [head tail]} {.#Some [head (distinct' equivalence head tail)]} @@ -290,7 +290,7 @@ (All (_ a) (-> (Channel a) (Async (List a)))) (do [! async.monad] [item it] - (case item + (when item {.#Some [head tail]} (at ! each (|>> {.#Item head}) (list tail)) @@ -300,7 +300,7 @@ (def .public (sequential milli_seconds values) (All (_ a) (-> Nat (List a) (Channel a))) - (case values + (when values {.#End} ..empty diff --git a/stdlib/source/library/lux/control/concurrency/semaphore.lux b/stdlib/source/library/lux/control/concurrency/semaphore.lux index c2fa5c5c1..557f9fca8 100644 --- a/stdlib/source/library/lux/control/concurrency/semaphore.lux +++ b/stdlib/source/library/lux/control/concurrency/semaphore.lux @@ -86,7 +86,7 @@ (if (same? pre post) (in (exception.except ..semaphore_is_maxed_out [(the #max_positions pre)])) (do ! - [_ (case (queue.front (the #waiting_list pre)) + [_ (when (queue.front (the #waiting_list pre)) {.#None} (in true) diff --git a/stdlib/source/library/lux/control/concurrency/stm.lux b/stdlib/source/library/lux/control/concurrency/stm.lux index 9762ffa59..280c0dee8 100644 --- a/stdlib/source/library/lux/control/concurrency/stm.lux +++ b/stdlib/source/library/lux/control/concurrency/stm.lux @@ -55,7 +55,7 @@ [banned (monad.only ! (function (_ sink) (do ! [result (at sink feed (variance.write new_value))] - (in (case result + (in (when result {try.#Success _} false @@ -113,7 +113,7 @@ (def .public (read var) (All (_ r w) (-> (Var' r w) (STM r))) (function (_ tx) - (case (var_value var tx) + (when (var_value var tx) {.#Some value} [tx value] @@ -127,7 +127,7 @@ (def (with_updated_var var value tx) (All (_ r w) (-> (Var' r w) w Tx Tx)) - (case tx + (when tx {.#End} {.#End} @@ -146,7 +146,7 @@ (def .public (write value var) (All (_ r w) (-> w (Var' r w) (STM Any))) (function (_ tx) - (case (var_value var tx) + (when (var_value var tx) {.#Some _} [(with_updated_var var value tx) []] @@ -236,7 +236,7 @@ (loop (again [[|commits| resolve] |commits|&resolve]) (do ! [|commits| (async.value |commits|)] - (case |commits| + (when |commits| {.#None} (do io.monad [resolved? (resolve entry)] diff --git a/stdlib/source/library/lux/control/concurrency/thread.lux b/stdlib/source/library/lux/control/concurrency/thread.lux index 957a052d1..25e1d02d8 100644 --- a/stdlib/source/library/lux/control/concurrency/thread.lux +++ b/stdlib/source/library/lux/control/concurrency/thread.lux @@ -111,7 +111,7 @@ (def (execute! action) (-> (IO Any) Any) - (case (try (io.run! action)) + (when (try (io.run! action)) {try.#Failure error} (exec (debug.log! (all "lux text concat" @@ -128,7 +128,7 @@ [] (java/lang/Runnable [] (run self []) void (..execute! action)))] - (case milli_seconds + (when milli_seconds 0 (java/util/concurrent/Executor::execute runnable runner) _ (java/util/concurrent/ScheduledThreadPoolExecutor::schedule runnable (.int milli_seconds) java/util/concurrent/TimeUnit::MILLISECONDS runner)))] @@ -176,7 +176,7 @@ (loop (again [_ []]) (do ! [threads (atom.read! ..runner)] - (case threads + (when threads ... And... we're done! {.#End} (in []) diff --git a/stdlib/source/library/lux/control/exception.lux b/stdlib/source/library/lux/control/exception.lux index f311fdb25..834f8afe8 100644 --- a/stdlib/source/library/lux/control/exception.lux +++ b/stdlib/source/library/lux/control/exception.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except except with) + [lux (.except except with when) [abstract [monad (.only do)]] [control @@ -38,7 +38,7 @@ (All (_ e a) (-> (Exception e) (-> Text a) (Try a) (Try a))) - (case try + (.when try {//.#Success output} {//.#Success output} @@ -54,7 +54,7 @@ (def .public (otherwise else try) (All (_ a) (-> (-> Text a) (Try a) a)) - (case try + (.when try {//.#Success output} output @@ -127,7 +127,7 @@ (|> message (text.replaced text.new_line on_new_line) (all text#composite padding header header_separator)))))] - (case entries + (.when entries {.#End} "" @@ -167,9 +167,9 @@ (def .public (with exception message computation) (All (_ e a) (-> (Exception e) e (Try a) (Try a))) - (case computation + (.when computation {//.#Failure error} - {//.#Failure (case error + {//.#Failure (.when error "" (..error exception message) diff --git a/stdlib/source/library/lux/control/function/memo.lux b/stdlib/source/library/lux/control/function/memo.lux index 3328720e2..376e248f9 100644 --- a/stdlib/source/library/lux/control/function/memo.lux +++ b/stdlib/source/library/lux/control/function/memo.lux @@ -25,7 +25,7 @@ (function (_ input) (do [! state.monad] [memory state.get] - (case (dictionary.value input memory) + (when (dictionary.value input memory) {.#Some output} (in output) diff --git a/stdlib/source/library/lux/control/function/mutual.lux b/stdlib/source/library/lux/control/function/mutual.lux index 150d0f49f..eab14d2ae 100644 --- a/stdlib/source/library/lux/control/function/mutual.lux +++ b/stdlib/source/library/lux/control/function/mutual.lux @@ -52,7 +52,7 @@ (.def .public let (syntax (_ [functions (.tuple (<>.some ..mutual)) body .any]) - (case functions + (when functions {.#End} (in (list body)) @@ -105,7 +105,7 @@ (.def .public def (syntax (_ [functions (<>.many ..definition)]) - (case functions + (when functions {.#End} (in (list)) diff --git a/stdlib/source/library/lux/control/lazy.lux b/stdlib/source/library/lux/control/lazy.lux index 4636f701a..2db5daf4a 100644 --- a/stdlib/source/library/lux/control/lazy.lux +++ b/stdlib/source/library/lux/control/lazy.lux @@ -29,7 +29,7 @@ (is (Maybe a) {.#None})))] (abstraction (function (_ _) - (case (io.run! (atom.read! cache)) + (when (io.run! (atom.read! cache)) {.#Some value} value diff --git a/stdlib/source/library/lux/control/maybe.lux b/stdlib/source/library/lux/control/maybe.lux index a3741b3c3..f760d517d 100644 --- a/stdlib/source/library/lux/control/maybe.lux +++ b/stdlib/source/library/lux/control/maybe.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except list with) + [lux (.except list with when) [abstract [monoid (.only Monoid)] [equivalence (.only Equivalence)] @@ -22,7 +22,7 @@ {.#None}) (def (composite mx my) - (case mx + (.when mx {.#None} my @@ -33,7 +33,7 @@ (Functor Maybe) (implementation (def (each f ma) - (case ma + (.when ma {.#Some a} {.#Some (f a)} @@ -47,7 +47,7 @@ (def functor ..functor) (def (on fa ff) - (case [ff fa] + (.when [ff fa] [{.#Some f} {.#Some a}] {.#Some (f a)} @@ -63,7 +63,7 @@ {.#Some x}) (def (conjoint mma) - (case mma + (.when mma {.#Some mx} mx @@ -75,7 +75,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Maybe a)))) (implementation (def (= mx my) - (case [mx my] + (.when [mx my] [{.#None} {.#None}] true @@ -92,7 +92,7 @@ (..equivalence (at super equivalence))) (def (hash value) - (case value + (.when value {.#None} 1 @@ -113,7 +113,7 @@ (def (conjoint MmMma) (do monad [mMma MmMma] - (case mMma + (.when mMma {.#Some Mma} Mma @@ -127,10 +127,10 @@ (def .public else (macro (_ tokens state) - (case tokens + (.when tokens (.list else maybe) (let [g!temp (is Code [location.dummy {.#Symbol ["" ""]}])] - {.#Right [state (.list (` (.case (, maybe) + {.#Right [state (.list (` (.when (, maybe) {.#Some (, g!temp)} (, g!temp) @@ -147,7 +147,7 @@ (def .public (list value) (All (_ a) (-> (Maybe a) (List a))) - (case value + (.when value {.#Some value} (.list value) @@ -157,7 +157,7 @@ (def .public when (macro (_ tokens state) - (case tokens + (.when tokens (.list test then) {.#Right [state (.list (` (.if (, test) (, then) diff --git a/stdlib/source/library/lux/control/parser.lux b/stdlib/source/library/lux/control/parser.lux index d7cf37138..2330b8606 100644 --- a/stdlib/source/library/lux/control/parser.lux +++ b/stdlib/source/library/lux/control/parser.lux @@ -21,7 +21,7 @@ (implementation (def (each f ma) (function (_ input) - (case (ma input) + (when (ma input) {try.#Success [input' a]} {try.#Success [input' (f a)]} @@ -35,9 +35,9 @@ (def (on fa ff) (function (_ input) - (case (ff input) + (when (ff input) {try.#Success [input' f]} - (case (fa input') + (when (fa input') {try.#Success [input'' a]} {try.#Success [input'' (f a)]} @@ -58,7 +58,7 @@ (def (conjoint mma) (function (_ input) - (case (mma input) + (when (mma input) {try.#Success [input' ma]} (ma input') @@ -76,7 +76,7 @@ (All (_ s a) (-> (Parser s a) (Parser s (Maybe a)))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Success [input' x]} {try.#Success [input' {.#Some x}]} @@ -99,12 +99,12 @@ (All (_ s a b) (-> (Parser s a) (Parser s b) (Parser s (Or a b)))) (function (_ tokens) - (case (left tokens) + (when (left tokens) {try.#Success [tokens' output]} {try.#Success [tokens' {0 #0 output}]} {try.#Failure _} - (case (right tokens) + (when (right tokens) {try.#Success [tokens' output]} {try.#Success [tokens' {0 #1 output}]} @@ -115,7 +115,7 @@ (All (_ s a) (-> (Parser s a) (Parser s a) (Parser s a))) (function (_ tokens) - (case (this tokens) + (when (this tokens) {try.#Failure _} (that tokens) @@ -126,7 +126,7 @@ (All (_ s a) (-> (Parser s a) (Parser s (List a)))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Success [input' head]} (..result (at ..monad each (|>> (list.partial head)) (some parser)) @@ -144,7 +144,7 @@ (def .public (exactly amount parser) (All (_ s a) (-> Nat (Parser s a) (Parser s (List a)))) - (case amount + (when amount 0 (at ..monad in (list)) _ (do [! ..monad] [x parser] @@ -160,10 +160,10 @@ (def .public (at_most amount parser) (All (_ s a) (-> Nat (Parser s a) (Parser s (List a)))) - (case amount + (when amount 0 (at ..monad in (list)) _ (function (_ input) - (case (parser input) + (when (parser input) {try.#Success [input' x]} (..result (at ..monad each (|>> {.#Item x}) (at_most (-- amount) parser)) @@ -176,7 +176,7 @@ (All (_ s a) (-> Nat Nat (Parser s a) (Parser s (List a)))) (do [! ..monad] [minimum (..exactly minimum parser)] - (case additional + (when additional 0 (in minimum) _ (at ! each (list#composite minimum) (..at_most additional parser))))) @@ -185,7 +185,7 @@ (All (_ s a b) (-> (Parser s b) (Parser s a) (Parser s (List a)))) (do [! ..monad] [?x (..maybe parser)] - (case ?x + (when ?x {.#Some x} (|> parser (..and separator) @@ -198,7 +198,7 @@ (def .public (not parser) (All (_ s a) (-> (Parser s a) (Parser s Any))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Failure msg} {try.#Success [input []]} @@ -213,7 +213,7 @@ (def .public (lifted operation) (All (_ s a) (-> (Try a) (Parser s a))) (function (_ input) - (case operation + (when operation {try.#Success output} {try.#Success [input output]} @@ -223,7 +223,7 @@ (def .public (else value parser) (All (_ s a) (-> a (Parser s a) (Parser s a))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Success [input' output]} {try.#Success [input' output]} @@ -263,7 +263,7 @@ (def .public (parses? parser) (All (_ s a) (-> (Parser s a) (Parser s Bit))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Success [input' _]} {try.#Success [input' true]} @@ -273,7 +273,7 @@ (def .public (parses parser) (All (_ s a) (-> (Parser s a) (Parser s Any))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Success [input' _]} {try.#Success [input' []]} @@ -283,7 +283,7 @@ (def .public (speculative parser) (All (_ s a) (-> (Parser s a) (Parser s a))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Success [input' output]} {try.#Success [input output]} @@ -293,9 +293,9 @@ (def .public (codec codec parser) (All (_ s a z) (-> (Codec a z) (Parser s a) (Parser s z))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Success [input' to_decode]} - (case (at codec decoded to_decode) + (when (at codec decoded to_decode) {try.#Success value} {try.#Success [input' value]} diff --git a/stdlib/source/library/lux/control/pipe.lux b/stdlib/source/library/lux/control/pipe.lux index 54b0fca51..2221505af 100644 --- a/stdlib/source/library/lux/control/pipe.lux +++ b/stdlib/source/library/lux/control/pipe.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except let cond if exec case) + [lux (.except let cond if exec when) [abstract ["[0]" monad]] [control @@ -65,14 +65,6 @@ [(,* else)] (, prev))))))) -(def .public when - (syntax (_ [test ..body - then ..body - prev .any]) - (in (list (` (..cond [(,* test)] [(,* then)] - [] - (, prev))))))) - (def .public while (syntax (_ [test ..body then ..body @@ -88,7 +80,7 @@ steps (<>.some ..body) prev .any]) (with_symbols [g!temp] - (.case (list.reversed steps) + (.when (list.reversed steps) (list.partial last_step prev_steps) (.let [step_bindings (monad.do list.monad [step (list.reversed prev_steps)] @@ -117,10 +109,10 @@ [(,* (list#each (function (_ body) (` (|> (, g!temp) (,* body)))) paths))]))))))) -(def .public case +(def .public when (syntax (_ [branches (<>.many (<>.and .any .any)) prev .any]) - (in (list (` (.case (, prev) + (in (list (` (.when (, prev) (,* (|> branches (list#each (function (_ [pattern body]) (list pattern body))) list#conjoint)))))))) diff --git a/stdlib/source/library/lux/control/region.lux b/stdlib/source/library/lux/control/region.lux index 1edddc5a0..e752b57a9 100644 --- a/stdlib/source/library/lux/control/region.lux +++ b/stdlib/source/library/lux/control/region.lux @@ -34,7 +34,7 @@ (exception .public [a] (clean_up_error [error Text output (Try a)]) (format error - (case output + (when output {try.#Success _} "" @@ -44,7 +44,7 @@ (def (clean clean_up output) (All (_ a) (-> (Try Any) (Try a) (Try a))) - (case clean_up + (when clean_up {try.#Success _} output @@ -79,7 +79,7 @@ (function (_ region+cleaners) (at super each (function (_ [cleaners' temp]) - [cleaners' (case temp + [cleaners' (when temp {try.#Success value} {try.#Success (f value)} @@ -100,9 +100,9 @@ (do super [[cleaners ef] (ff [region cleaners]) [cleaners ea] (fa [region cleaners])] - (case ef + (when ef {try.#Success f} - (case ea + (when ea {try.#Success a} (in [cleaners {try.#Success (f a)}]) @@ -128,7 +128,7 @@ (function (_ [region cleaners]) (do super [[cleaners efa] (ffa [region cleaners])] - (case efa + (when efa {try.#Success fa} (fa [region cleaners]) diff --git a/stdlib/source/library/lux/control/remember.lux b/stdlib/source/library/lux/control/remember.lux index b7a91758f..1b3d0c2f0 100644 --- a/stdlib/source/library/lux/control/remember.lux +++ b/stdlib/source/library/lux/control/remember.lux @@ -30,7 +30,7 @@ (list ["Deadline" (%.date deadline)] ["Today" (%.date today)] ["Message" message] - ["Code" (case focus + ["Code" (when focus {.#Some focus} (%.code focus) @@ -44,7 +44,7 @@ .int) (do <>.monad [raw .text] - (case (at date.codec decoded raw) + (when (at date.codec decoded raw) {try.#Success date} (in date) @@ -58,7 +58,7 @@ (let [now (io.run! instant.now) today (instant.date now)] (if (date#< deadline today) - (in (case focus + (in (when focus {.#Some focus} (list focus) @@ -73,7 +73,7 @@ focus (<>.maybe .any)]) (in (list (` (..remember (, (code.text (%.date deadline))) (, (code.text (format " " message))) - (,* (case focus + (,* (when focus {.#Some focus} (list focus) diff --git a/stdlib/source/library/lux/control/try.lux b/stdlib/source/library/lux/control/try.lux index ca2010ce8..a27c466a6 100644 --- a/stdlib/source/library/lux/control/try.lux +++ b/stdlib/source/library/lux/control/try.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except with) + [lux (.except with when) [abstract [apply (.only Apply)] [equivalence (.only Equivalence)] @@ -19,7 +19,7 @@ (Functor Try) (implementation (def (each f ma) - (case ma + (.when ma {#Success datum} {#Success (f datum)} @@ -33,9 +33,9 @@ (def functor ..functor) (def (on fa ff) - (case ff + (.when ff {#Success f} - (case fa + (.when fa {#Success a} {#Success (f a)} @@ -56,7 +56,7 @@ {#Success a}) (def (conjoint mma) - (case mma + (.when mma {#Success ma} ma @@ -79,7 +79,7 @@ (def (conjoint MeMea) (do monad [eMea MeMea] - (case eMea + (.when eMea {#Success Mea} Mea @@ -95,7 +95,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Try a)))) (implementation (def (= reference sample) - (case [reference sample] + (.when [reference sample] [{#Success reference} {#Success sample}] (_#= reference sample) @@ -109,7 +109,7 @@ (def .public (trusted try) (All (_ a) (-> (Try a) a)) - (case try + (.when try {#Success value} value @@ -119,7 +119,7 @@ (def .public (maybe try) (All (_ a) (-> (Try a) (Maybe a))) - (case try + (.when try {#Success value} {.#Some value} @@ -130,7 +130,7 @@ (def .public (of_maybe maybe) (All (_ a) (-> (Maybe a) (Try a))) - (case maybe + (.when maybe {.#Some value} {#Success value} @@ -140,9 +140,9 @@ (def .public else (macro (_ tokens compiler) - (case tokens + (.when tokens (list else try) - {#Success [compiler (list (` (case (, try) + {#Success [compiler (list (` (.when (, try) {..#Success (,' g!temp)} (,' g!temp) @@ -155,7 +155,7 @@ (def .public when (macro (_ tokens state) - (case tokens + (.when tokens (.list test then) (let [code#encoded ("lux in-module" "library/lux" .code#encoded) text$ ("lux in-module" "library/lux" .text$)] diff --git a/stdlib/source/library/lux/data/bit.lux b/stdlib/source/library/lux/data/bit.lux index dcb0ad6bb..18b53bb1c 100644 --- a/stdlib/source/library/lux/data/bit.lux +++ b/stdlib/source/library/lux/data/bit.lux @@ -31,7 +31,7 @@ (def equivalence ..equivalence) (def (hash value) - (case value + (when value #0 2 #1 3)))) @@ -55,7 +55,7 @@ "#0")) (def (decoded input) - (case input + (when input "#1" {.#Right #1} "#0" {.#Right #0} _ {.#Left "Wrong syntax for Bit."})))) diff --git a/stdlib/source/library/lux/data/collection/bits.lux b/stdlib/source/library/lux/data/collection/bits.lux index b036bb9dc..1e84ee9c4 100644 --- a/stdlib/source/library/lux/data/collection/bits.lux +++ b/stdlib/source/library/lux/data/collection/bits.lux @@ -69,7 +69,7 @@ output ..empty]) (let [idx|output (-- size|output)] (if (n.> 0 size|output) - (case (|> (..chunk idx|output input) + (when (|> (..chunk idx|output input) (pipe.cond [(pipe.new (n.= chunk_index idx|output) [])] [( bit_index)] @@ -109,7 +109,7 @@ (def .public (not input) (-> Bits Bits) - (case (array.size input) + (when (array.size input) 0 ..empty @@ -117,7 +117,7 @@ (loop (again [size|output size|output output ..empty]) (let [idx (-- size|output)] - (case (|> input (..chunk idx) i64.not .nat) + (when (|> input (..chunk idx) i64.not .nat) 0 (again (-- size|output) output) @@ -133,7 +133,7 @@ (with_template [ ] [(def .public ( param subject) (-> Bits Bits Bits) - (case (n.max (array.size param) + (when (n.max (array.size param) (array.size subject)) 0 ..empty @@ -143,7 +143,7 @@ output ..empty]) (let [idx (-- size|output)] (if (n.> 0 size|output) - (case (|> (..chunk idx subject) + (when (|> (..chunk idx subject) ( (..chunk idx param)) .nat) 0 diff --git a/stdlib/source/library/lux/data/collection/dictionary.lux b/stdlib/source/library/lux/data/collection/dictionary.lux index 99badd2bc..a2e1282d5 100644 --- a/stdlib/source/library/lux/data/collection/dictionary.lux +++ b/stdlib/source/library/lux/data/collection/dictionary.lux @@ -271,7 +271,7 @@ (if (with_bit_position? (to_bit_position hierarchy_idx) bitmap) [(++ base_idx) - (case (array.item base_idx base) + (when (array.item base_idx base) {.#Left sub_node} (array.has! hierarchy_idx sub_node h_array) @@ -289,7 +289,7 @@ ... So, this test is introduced to detect them. (def (node#empty? node) (All (_ k v) (-> (Node k v) Bit)) - (case node + (when node {#Base ..clean_bitmap _} true @@ -298,7 +298,7 @@ (def (node#has level hash key val key_hash node) (All (_ k v) (-> Level Hash_Code k v (Hash k) (Node k v) (Node k v))) - (case node + (when node ... For #Hierarchy nodes, check whether one can add the element to ... a sub-node. If impossible, introduce a new singleton sub-node. {#Hierarchy _size hierarchy} @@ -317,7 +317,7 @@ (if (with_bit_position? bit bitmap) ... If so... (let [idx (base_index bit bitmap)] - {#Base bitmap (case (array.item idx base) + {#Base bitmap (when (array.item idx base) ... If it's being used by a node, add the KV to it. {.#Left sub_node} (let [sub_node' (node#has (level_up level) hash key val key_hash sub_node)] @@ -371,7 +371,7 @@ (if (n.= hash _hash) ... If they're equal, that means the new KV contributes to the ... collisions. - (case (collision_index key_hash key _colls) + (when (collision_index key_hash key _colls) ... If the key was already present in the collisions-list, its ... value gets updated. {.#Some coll_idx} @@ -390,7 +390,7 @@ (def (node#lacks level hash key key_hash node) (All (_ k v) (-> Level Hash_Code k (Hash k) (Node k v) (Node k v))) - (case node + (when node ... For #Hierarchy nodes, find out if there's a valid sub-node for ... the Hash-Code. {#Hierarchy h_size h_array} @@ -422,7 +422,7 @@ (let [bit (level_bit_position level hash)] (if (with_bit_position? bit bitmap) (let [idx (base_index bit bitmap)] - (case (array.item idx base) + (when (array.item idx base) ... If set, check if it's a sub_node, and remove the KV ... from it. {.#Left sub_node} @@ -460,7 +460,7 @@ ... For #Collisions nodes, It need to find out if the key already existst. {#Collisions _hash _colls} - (case (collision_index key_hash key _colls) + (when (collision_index key_hash key _colls) ... If not, then there's nothing to remove. {.#None} node @@ -477,7 +477,7 @@ (def (node#value level hash key key_hash node) (All (_ k v) (-> Level Hash_Code k (Hash k) (Node k v) (Maybe v))) - (case node + (when node ... For #Hierarchy nodes, just look-up the key on its children. {#Hierarchy _size hierarchy} (let [index (level_index level hash)] @@ -489,7 +489,7 @@ {#Base bitmap base} (let [bit (level_bit_position level hash)] (if (with_bit_position? bit bitmap) - (case (array.item (base_index bit bitmap) base) + (when (array.item (base_index bit bitmap) base) {.#Left sub_node} (node#value (level_up level) hash key key_hash sub_node) @@ -508,7 +508,7 @@ (def (node#size node) (All (_ k v) (-> (Node k v) Nat)) - (case node + (when node {#Hierarchy _size hierarchy} (array.mix (function (_ _ item total) (n.+ item total)) @@ -520,7 +520,7 @@ (n.+ item total)) 0 (array.each (function (_ sub_node') - (case sub_node' + (when sub_node' {.#Left sub_node} (node#size sub_node) {.#Right _} 1)) base)) @@ -531,7 +531,7 @@ (def (node#mix f init node) (All (_ k v a) (-> (-> [k v] a a) a (Node k v) a)) - (case node + (when node {#Hierarchy _size hierarchy} (array.mix (function (_ _ sub_node current) (node#mix f current sub_node)) @@ -540,7 +540,7 @@ {#Base bitmap base} (array.mix (function (_ _ branch current) - (case branch + (when branch {.#Left sub_node} (node#mix f current sub_node) @@ -592,7 +592,7 @@ (def .public (key? dict key) (All (_ k v) (-> (Dictionary k v) k Bit)) - (case (value key dict) + (when (value key dict) {.#None} false @@ -603,13 +603,13 @@ (def .public (has' key val dict) (All (_ k v) (-> k v (Dictionary k v) (Try (Dictionary k v)))) - (case (value key dict) + (when (value key dict) {.#None} {try.#Success (has key val dict)} {.#Some _} (exception.except ..key_already_exists []))) (def .public (revised key f dict) (All (_ k v) (-> k (-> v v) (Dictionary k v) (Dictionary k v))) - (case (value key dict) + (when (value key dict) {.#None} dict @@ -664,7 +664,7 @@ (def .public (composite_with f dict2 dict1) (All (_ k v) (-> (-> v v v) (Dictionary k v) (Dictionary k v) (Dictionary k v))) (node#mix (function (_ [key val2] dict) - (case (value key dict) + (when (value key dict) {.#None} (has key val2 dict) @@ -675,7 +675,7 @@ (def .public (re_bound from_key to_key dict) (All (_ k v) (-> k k (Dictionary k v) (Dictionary k v))) - (case (value from_key dict) + (when (value from_key dict) {.#None} dict @@ -688,7 +688,7 @@ (All (_ k v) (-> (List k) (Dictionary k v) (Dictionary k v))) (let [[key_hash _] dict] (list#mix (function (_ key new_dict) - (case (value key dict) + (when (value key dict) {.#None} new_dict {.#Some val} (has key val new_dict))) (empty key_hash) @@ -701,7 +701,7 @@ (and (n.= (..size reference) (..size subject)) (list.every? (function (_ [k rv]) - (case (..value k subject) + (when (..value k subject) {.#Some sv} (,#= rv sv) @@ -713,13 +713,13 @@ (All (_ k) (Functor (Node k))) (implementation (def (each f fa) - (case fa + (when fa {#Hierarchy size hierarchy} {#Hierarchy size (array.each (each f) hierarchy)} {#Base bitmap base} {#Base bitmap (array.each (function (_ either) - (case either + (when either {.#Left fa'} {.#Left (each f fa')} diff --git a/stdlib/source/library/lux/data/collection/dictionary/ordered.lux b/stdlib/source/library/lux/data/collection/dictionary/ordered.lux index 44848eae6..3541cef42 100644 --- a/stdlib/source/library/lux/data/collection/dictionary/ordered.lux +++ b/stdlib/source/library/lux/data/collection/dictionary/ordered.lux @@ -64,7 +64,7 @@ (let [... (open "_#[0]") (the #order dict) ] (loop (again [node (the #root dict)]) - (case node + (when node {.#None} {.#None} @@ -89,7 +89,7 @@ (let [... (open "_#[0]") (the #order dict) ] (loop (again [node (the #root dict)]) - (case node + (when node {.#None} false @@ -105,13 +105,13 @@ (with_template [ ] [(def .public ( dict) (All (_ k v) (-> (Dictionary k v) (Maybe v))) - (case (the #root dict) + (when (the #root dict) {.#None} {.#None} {.#Some node} (loop (again [node node]) - (case (the node) + (when (the node) {.#None} {.#Some (the #value node)} @@ -125,7 +125,7 @@ (def .public (size dict) (All (_ k v) (-> (Dictionary k v) Nat)) (loop (again [node (the #root dict)]) - (case node + (when node {.#None} 0 @@ -140,7 +140,7 @@ (with_template [ ] [(def ( self) (All (_ k v) (-> (Node k v) (Node k v))) - (case (the #color self) + (when (the #color self) {} (.has #color {} self) @@ -154,7 +154,7 @@ (def (with_left addition center) (All (_ k v) (-> (Node k v) (Node k v) (Node k v))) - (case (the #color center) + (when (the #color center) {#Red} (red (the #key center) (the #value center) @@ -167,9 +167,9 @@ (the #value center) {.#Some addition} (the #right center)))] - (case (the #color addition) + (when (the #color addition) {#Red} - (case (the #left addition) + (when (the #left addition) (^.multi {.#Some left} [(the #color left) {#Red}]) (red (the #key addition) @@ -181,7 +181,7 @@ (the #right center))}) _ - (case (the #right addition) + (when (the #right addition) (^.multi {.#Some right} [(the #color right) {#Red}]) (red (the #key right) @@ -203,7 +203,7 @@ (def (with_right addition center) (All (_ k v) (-> (Node k v) (Node k v) (Node k v))) - (case (the #color center) + (when (the #color center) {#Red} (red (the #key center) (the #value center) @@ -216,9 +216,9 @@ (the #value center) (the #left center) {.#Some addition}))] - (case (the #color addition) + (when (the #color addition) {#Red} - (case (the #right addition) + (when (the #right addition) (^.multi {.#Some right} [(the #color right) {#Red}]) (red (the #key addition) @@ -230,7 +230,7 @@ {.#Some (blackened right)}) _ - (case (the #left addition) + (when (the #left addition) (^.multi {.#Some left} [(the #color left) {#Red}]) (red (the #key left) @@ -254,7 +254,7 @@ (All (_ k v) (-> k v (Dictionary k v) (Dictionary k v))) (let [(open "_#[0]") (the #order dict) root' (loop (again [?root (the #root dict)]) - (case ?root + (when ?root {.#None} {.#Some (red key value {.#None} {.#None})} @@ -281,7 +281,7 @@ (def (left_balanced key value ?left ?right) (All (_ k v) (-> k v (Maybe (Node k v)) (Maybe (Node k v)) (Node k v))) - (case ?left + (when ?left (^.multi {.#Some left} [(the #color left) {#Red}] [(the #left left) {.#Some left>>left}] @@ -310,7 +310,7 @@ (def (right_balanced key value ?left ?right) (All (_ k v) (-> k v (Maybe (Node k v)) (Maybe (Node k v)) (Node k v))) - (case ?right + (when ?right (^.multi {.#Some right} [(the #color right) {#Red}] [(the #right right) {.#Some right>>right}] @@ -337,13 +337,13 @@ (def (without_left key value ?left ?right) (All (_ k v) (-> k v (Maybe (Node k v)) (Maybe (Node k v)) (Node k v))) - (case ?left + (when ?left (^.multi {.#Some left} [(the #color left) {#Red}]) (red key value {.#Some (blackened left)} ?right) _ - (case ?right + (when ?right (^.multi {.#Some right} [(the #color right) {#Black}]) (right_balanced key value ?left {.#Some (reddened right)}) @@ -366,13 +366,13 @@ (def (without_right key value ?left ?right) (All (_ k v) (-> k v (Maybe (Node k v)) (Maybe (Node k v)) (Node k v))) - (case ?right + (when ?right (^.multi {.#Some right} [(the #color right) {#Red}]) (red key value ?left {.#Some (blackened right)}) _ - (case ?left + (when ?left (^.multi {.#Some left} [(the #color left) {#Black}]) (left_balanced key value {.#Some (reddened left)} ?right) @@ -395,7 +395,7 @@ (def (prepended ?left ?right) (All (_ k v) (-> (Maybe (Node k v)) (Maybe (Node k v)) (Maybe (Node k v)))) - (case [?left ?right] + (when [?left ?right] [{.#None} _] ?right @@ -403,11 +403,11 @@ ?left [{.#Some left} {.#Some right}] - (case [(the #color left) (the #color right)] + (when [(the #color left) (the #color right)] [{#Red} {#Red}] (do maybe.monad [fused (prepended (the #right left) (the #right right))] - (case (the #color fused) + (when (the #color fused) {#Red} (in (red (the #key fused) (the #value fused) @@ -446,7 +446,7 @@ [{#Black} {#Black}] (do maybe.monad [fused (prepended (the #right left) (the #left right))] - (case (the #color fused) + (when (the #color fused) {#Red} (in (red (the #key fused) (the #value fused) @@ -477,7 +477,7 @@ (All (_ k v) (-> k (Dictionary k v) (Dictionary k v))) (let [(open "_#[0]") (the #order dict) [?root found?] (loop (again [?root (the #root dict)]) - (case ?root + (when ?root {.#Some root} (let [root_key (the #key root) root_val (the #value root)] @@ -486,7 +486,7 @@ (the #right root)) true] (let [go_left? (_#< root_key key)] - (case (again (if go_left? + (when (again (if go_left? (the #left root) (the #right root))) [{.#None} .false] @@ -494,7 +494,7 @@ [side_outcome _] (if go_left? - (case (the #left root) + (when (the #left root) (^.multi {.#Some left} [(the #color left) {#Black}]) [{.#Some (without_left root_key root_val side_outcome (the #right root))} @@ -503,7 +503,7 @@ _ [{.#Some (red root_key root_val side_outcome (the #right root))} false]) - (case (the #right root) + (when (the #right root) (^.multi {.#Some right} [(the #color right) {#Black}]) [{.#Some (without_right root_key root_val (the #left root) side_outcome)} @@ -518,7 +518,7 @@ {.#None} [{.#None} false] ))] - (case ?root + (when ?root {.#None} (if found? (.has #root ?root dict) @@ -530,7 +530,7 @@ (def .public (revised key transform dict) (All (_ k v) (-> k (-> v v) (Dictionary k v) (Dictionary k v))) - (case (..value key dict) + (when (..value key dict) {.#Some old} (..has key (transform old) dict) @@ -548,7 +548,7 @@ [(def .public ( dict) (All (_ k v) (-> (Dictionary k v) (List ))) (loop (again [node (the #root dict)]) - (case node + (when node {.#None} (list) @@ -570,7 +570,7 @@ (let [(open "/#[0]") (the #order reference)] (loop (again [entriesR (entries reference) entriesS (entries sample)]) - (case [entriesR entriesS] + (when [entriesR entriesS] [{.#End} {.#End}] true diff --git a/stdlib/source/library/lux/data/collection/list.lux b/stdlib/source/library/lux/data/collection/list.lux index 4114acd8e..c2dff94fc 100644 --- a/stdlib/source/library/lux/data/collection/list.lux +++ b/stdlib/source/library/lux/data/collection/list.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except revised all only with) + [lux (.except revised all only with when) [abstract [monoid (.only Monoid)] [apply (.only Apply)] @@ -30,7 +30,7 @@ (Mix List) (implementation (def (mix f init xs) - (case xs + (.when xs {.#End} init @@ -39,7 +39,7 @@ (def .public (mixes f init inputs) (All (_ a b) (-> (-> a b b) b (List a) (List b))) - (case inputs + (.when inputs {.#End} (list init) @@ -57,7 +57,7 @@ (def .public (only keep? xs) (All (_ a) (-> (Predicate a) (List a) (List a))) - (case xs + (.when xs {.#End} {.#End} @@ -68,7 +68,7 @@ (def .public (partition satisfies? list) (All (_ a) (-> (Predicate a) (List a) [(List a) (List a)])) - (case list + (.when list {.#End} [{.#End} {.#End}] @@ -85,7 +85,7 @@ (def .public partial (macro (_ tokens state) - (case (reversed tokens) + (.when (reversed tokens) {.#Item tail heads} {.#Right [state (list (..mix (function (_ head tail) (` {.#Item (, head) (, tail)})) @@ -97,9 +97,9 @@ (def .public (pairs xs) (All (_ a) (-> (List a) (Maybe (List [a a])))) - (case xs + (.when xs (partial x1 x2 xs') - (case (pairs xs') + (.when (pairs xs') {.#Some tail} {.#Some (partial [x1 x2] tail)} @@ -117,7 +117,7 @@ (All (_ a) (-> Nat (List a) (List a))) (if (n.> 0 n) - (case xs + (.when xs {.#End} {.#End} @@ -133,7 +133,7 @@ [(def .public ( predicate xs) (All (_ a) (-> (Predicate a) (List a) (List a))) - (case xs + (.when xs {.#End} {.#End} @@ -149,9 +149,9 @@ (def .public (split_at n xs) (All (_ a) (-> Nat (List a) [(List a) (List a)])) - (case n + (.when n 0 [{.#End} xs] - _ (case xs + _ (.when xs {.#End} [{.#End} {.#End}] @@ -162,7 +162,7 @@ (def (split_when' predicate ys xs) (All (_ a) (-> (Predicate a) (List a) (List a) [(List a) (List a)])) - (case xs + (.when xs {.#End} [ys xs] @@ -179,7 +179,7 @@ (def .public (sub size list) (All (_ a) (-> Nat (List a) (List (List a)))) - (case list + (.when list {.#End} {.#End} @@ -190,14 +190,14 @@ (def .public (repeated n x) (All (_ a) (-> Nat a (List a))) - (case n + (.when n 0 {.#End} _ {.#Item x (repeated (-- n) x)})) (def (iterations' f x) (All (_ a) (-> (-> a (Maybe a)) a (List a))) - (case (f x) + (.when (f x) {.#Some x'} {.#Item x (iterations' f x')} @@ -207,7 +207,7 @@ (def .public (iterations f x) (All (_ a) (-> (-> a (Maybe a)) a (List a))) - (case (f x) + (.when (f x) {.#Some x'} {.#Item x (iterations' f x')} @@ -217,12 +217,12 @@ (def .public (one check xs) (All (_ a b) (-> (-> a (Maybe b)) (List a) (Maybe b))) - (case xs + (.when xs {.#End} {.#None} {.#Item x xs'} - (case (check x) + (.when (check x) {.#Some output} {.#Some output} @@ -235,7 +235,7 @@ (for @.js ... TODO: Stop relying on this ASAP. (mix (function (_ head tail) - (case (check head) + (.when (check head) {.#Some head} {.#Item head tail} @@ -243,12 +243,12 @@ tail)) {.#End} (reversed xs)) - (case xs + (.when xs {.#End} {.#End} {.#Item x xs'} - (case (check x) + (.when (check x) {.#Some output} {.#Item output (all check xs')} @@ -267,7 +267,7 @@ (def .public (interposed sep xs) (All (_ a) (-> a (List a) (List a))) - (case xs + (.when xs {.#End} xs @@ -285,7 +285,7 @@ [(def .public ( predicate items) (All (_ a) (-> (Predicate a) (List a) Bit)) - (case items + (.when items {.#End} @@ -300,12 +300,12 @@ (def .public (item i xs) (All (_ a) (-> Nat (List a) (Maybe a))) - (case xs + (.when xs {.#End} {.#None} {.#Item x xs'} - (case i + (.when i 0 {.#Some x} _ (item (-- i) xs')))) @@ -313,7 +313,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (List a)))) (implementation (def (= xs ys) - (case [xs ys] + (.when [xs ys] [{.#End} {.#End}] true @@ -342,7 +342,7 @@ (def identity {.#End}) (def (composite xs ys) - (case xs + (.when xs {.#End} ys @@ -355,7 +355,7 @@ (Functor List) (implementation (def (each f ma) - (case ma + (.when ma {.#End} {.#End} @@ -370,7 +370,7 @@ (def functor ..functor) (def (on fa ff) - (case ff + (.when ff {.#End} {.#End} @@ -392,7 +392,7 @@ (def .public (sorted < xs) (All (_ a) (-> (-> a a Bit) (List a) (List a))) - (case xs + (.when xs {.#End} (list) @@ -410,7 +410,7 @@ (def .public (empty? xs) (All (_ a) (Predicate (List a))) - (case xs + (.when xs {.#End} true @@ -419,7 +419,7 @@ (def .public (member? eq xs x) (All (_ a) (-> (Equivalence a) (List a) a Bit)) - (case xs + (.when xs {.#End} false @@ -430,7 +430,7 @@ (with_template [ ] [(def .public ( xs) (All (_ a) (-> (List a) (Maybe ))) - (case xs + (.when xs {.#End} {.#None} @@ -443,7 +443,7 @@ (def .public (indices size) (All (_ a) (-> Nat (List Nat))) - (case size + (.when size 0 (list) _ (|> size -- (enum.range n.enum 0)))) @@ -455,7 +455,7 @@ (-> Nat Text) (loop (again [input value output ""]) - (let [digit (case (n.% 10 input) + (let [digit (.when (n.% 10 input) 0 "0" 1 "1" 2 "2" @@ -469,13 +469,13 @@ _ (undefined)) output' ("lux text concat" digit output) input' (n./ 10 input)] - (case input' + (.when input' 0 output' _ (again input' output'))))) (def .public zipped (macro (_ tokens state) - (case tokens + (.when tokens (list [_ {.#Nat num_lists}]) (if (n.> 0 num_lists) (let [(open "[0]") ..functor @@ -498,7 +498,7 @@ list_vars (each product.right vars+lists) code (` (is (, zipped_type) (function ((, g!step) (,* list_vars)) - (case [(,* list_vars)] + (.when [(,* list_vars)] (, pattern) {.#Item [(,* (each product.left vars+lists))] ((, g!step) (,* list_vars))} @@ -516,7 +516,7 @@ (def .public zipped_with (macro (_ tokens state) - (case tokens + (.when tokens (list [_ {.#Nat num_lists}]) (if (n.> 0 num_lists) (let [(open "[0]") ..functor @@ -542,7 +542,7 @@ list_vars (each product.right vars+lists) code (` (is (, zipped_type) (function ((, g!step) (, g!func) (,* list_vars)) - (case [(,* list_vars)] + (.when [(,* list_vars)] (, pattern) {.#Item ((, g!func) (,* (each product.left vars+lists))) ((, g!step) (, g!func) (,* list_vars))} @@ -560,7 +560,7 @@ (def .public (last xs) (All (_ a) (-> (List a) (Maybe a))) - (case xs + (.when xs {.#End} {.#None} @@ -572,7 +572,7 @@ (def .public (inits xs) (All (_ a) (-> (List a) (Maybe (List a)))) - (case xs + (.when xs {.#End} {.#None} @@ -580,7 +580,7 @@ {.#Some {.#End}} {.#Item x xs'} - (case (inits xs') + (.when (inits xs') {.#None} (undefined) @@ -620,7 +620,7 @@ (All (_ a) (-> (List a) (List [Nat a]))) (loop (again [idx 0 xs xs]) - (case xs + (.when xs {.#End} {.#End} @@ -629,7 +629,7 @@ (def .public when (macro (_ tokens state) - (case tokens + (.when tokens (list test then) {.#Right [state (.list (` (.if (, test) (, then) @@ -640,11 +640,11 @@ (def .public (revised item revision it) (All (_ a) (-> Nat (-> a a) (List a) (List a))) - (case it + (.when it {.#End} {.#End} {.#Item head tail} - (case item + (.when item 0 {.#Item (revision head) tail} _ (revised (-- item) revision it)))) diff --git a/stdlib/source/library/lux/data/collection/list/property.lux b/stdlib/source/library/lux/data/collection/list/property.lux index a4480dabb..d249a3a4f 100644 --- a/stdlib/source/library/lux/data/collection/list/property.lux +++ b/stdlib/source/library/lux/data/collection/list/property.lux @@ -33,7 +33,7 @@ (def .public (value key properties) (All (_ a) (-> Text (List a) (Maybe a))) - (case properties + (when properties {.#End} {.#None} @@ -53,7 +53,7 @@ (def .public (contains? key properties) (All (_ a) (-> Text (List a) Bit)) - (case (..value key properties) + (when (..value key properties) {.#Some _} true @@ -62,7 +62,7 @@ (def .public (has key val properties) (All (_ a) (-> Text a (List a) (List a))) - (case properties + (when properties {.#End} (list [key val]) @@ -75,7 +75,7 @@ (def .public (revised key f properties) (All (_ a) (-> Text (-> a a) (List a) (List a))) - (case properties + (when properties {.#End} {.#End} @@ -86,7 +86,7 @@ (def .public (lacks key properties) (All (_ a) (-> Text (List a) (List a))) - (case properties + (when properties {.#End} properties diff --git a/stdlib/source/library/lux/data/collection/queue.lux b/stdlib/source/library/lux/data/collection/queue.lux index 0420c1954..05a5107c3 100644 --- a/stdlib/source/library/lux/data/collection/queue.lux +++ b/stdlib/source/library/lux/data/collection/queue.lux @@ -53,7 +53,7 @@ (def .public (next queue) (All (_ a) (-> (Queue a) (Queue a))) - (case (the #front queue) + (when (the #front queue) ... Empty... (.list) queue @@ -71,7 +71,7 @@ (def .public (end val queue) (All (_ a) (-> a (Queue a) (Queue a))) - (case (the #front queue) + (when (the #front queue) {.#End} (has #front (.list val) queue) diff --git a/stdlib/source/library/lux/data/collection/queue/priority.lux b/stdlib/source/library/lux/data/collection/queue/priority.lux index 0d02d0a09..bbd66f362 100644 --- a/stdlib/source/library/lux/data/collection/queue/priority.lux +++ b/stdlib/source/library/lux/data/collection/queue/priority.lux @@ -53,13 +53,13 @@ (def .public (size queue) (All (_ a) (-> (Queue a) Nat)) - (case (representation queue) + (when (representation queue) {.#None} 0 {.#Some tree} (loop (again [node tree]) - (case (tree.root node) + (when (tree.root node) {0 #0 _} 1 @@ -68,13 +68,13 @@ (def .public (member? equivalence queue member) (All (_ a) (-> (Equivalence a) (Queue a) a Bit)) - (case (representation queue) + (when (representation queue) {.#None} false {.#Some tree} (loop (again [node tree]) - (case (tree.root node) + (when (tree.root node) {0 #0 reference} (at equivalence = reference member) @@ -89,7 +89,7 @@ [tree (representation queue) .let [highest_priority (tree.tag tree)]] (loop (again [node tree]) - (case (tree.root node) + (when (tree.root node) {0 #0 reference} (if (n.= highest_priority (tree.tag node)) {.#None} @@ -97,13 +97,13 @@ {0 #1 left right} (if (n.= highest_priority (tree.tag left)) - (case (again left) + (when (again left) {.#None} {.#Some right} {.#Some =left} {.#Some (at ..builder branch =left right)}) - (case (again right) + (when (again right) {.#None} {.#Some left} @@ -114,7 +114,7 @@ (All (_ a) (-> Priority a (Queue a) (Queue a))) (let [addition (at ..builder leaf priority value)] (abstraction - (case (representation queue) + (when (representation queue) {.#None} {.#Some addition} diff --git a/stdlib/source/library/lux/data/collection/sequence.lux b/stdlib/source/library/lux/data/collection/sequence.lux index 060c5a255..55c782acf 100644 --- a/stdlib/source/library/lux/data/collection/sequence.lux +++ b/stdlib/source/library/lux/data/collection/sequence.lux @@ -118,7 +118,7 @@ (if (array.lacks? sub_idx parent) ... If so, set the path to the tail (..path (level_down level) tail) - (case (array.item sub_idx parent) + (when (array.item sub_idx parent) ... If not, push the tail onto the sub_node. {#Hierarchy sub_node} {#Hierarchy (with_tail size (level_down level) tail sub_node)} @@ -138,7 +138,7 @@ (def (hierarchy#has level idx val hierarchy) (All (_ a) (-> Level Index a (Hierarchy a) (Hierarchy a))) (let [sub_idx (branch_idx (i64.right_shifted level idx))] - (case (array.item sub_idx hierarchy) + (when (array.item sub_idx hierarchy) {#Hierarchy sub_node} (|> (array.clone hierarchy) (array.has! sub_idx {#Hierarchy (hierarchy#has (level_down level) idx val sub_node)})) @@ -165,7 +165,7 @@ (maybe#each (function (_ sub) (|> (array.clone hierarchy) (array.has! sub_idx {#Hierarchy sub}))) - (case (array.item sub_idx hierarchy) + (when (array.item sub_idx hierarchy) {#Hierarchy sub} (without_tail size (level_down level) sub) @@ -180,7 +180,7 @@ (def (node#list node) (All (_ a) (-> (Node a) (List a))) - (case node + (when node {#Base base} (array.list {.#None} base) @@ -264,7 +264,7 @@ (let [index (branch_idx (i64.right_shifted level idx))] (if (array.lacks? index hierarchy) (exception.except ..base_was_not_found []) - (case [(n.> branching_exponent level) + (when [(n.> branching_exponent level) (array.item index hierarchy)] [.true {#Hierarchy sub}] (again (level_down level) sub) @@ -307,7 +307,7 @@ (def .public (prefix sequence) (All (_ a) (-> (Sequence a) (Sequence a))) - (case (the #size sequence) + (when (the #size sequence) 0 empty @@ -332,7 +332,7 @@ (with_expansions [ [level root]] (if (n.> branching_exponent level) (if (array.lacks? 1 root) - (case (array.item 0 root) + (when (array.item 0 root) {#Hierarchy sub_node} (again (level_down level) sub_node) @@ -375,7 +375,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Node a)))) (implementation (def (= v1 v2) - (case [v1 v2] + (when [v1 v2] [{#Base b1} {#Base b2}] (array.= //#= b1 b2) @@ -400,7 +400,7 @@ (Mix Node) (implementation (def (mix $ init xs) - (case xs + (when xs {#Base base} (array.mix (function (_ _ item output) ($ item output)) init @@ -434,7 +434,7 @@ (Functor Node) (implementation (def (each $ xs) - (case xs + (when xs {#Base base} {#Base (array.each $ base)} @@ -491,7 +491,7 @@ (let [help (is (All (_ a) (-> (Predicate a) (Node a) Bit)) (function (help predicate node) - (case node + (when node {#Base base} ( predicate base) @@ -518,7 +518,7 @@ (def (one|node check items) (All (_ a b) (-> (-> a (Maybe b)) (Node a) (Maybe b))) - (case items + (when items {#Base items} (array.one check items) @@ -528,7 +528,7 @@ (def .public (one check items) (All (_ a b) (-> (-> a (Maybe b)) (Sequence a) (Maybe b))) - (case (let [... TODO: This binding was established to get around a compilation error. Fix and inline! + (when (let [... TODO: This binding was established to get around a compilation error. Fix and inline! check (..one|node check)] (|> items (the #root) diff --git a/stdlib/source/library/lux/data/collection/set/multi.lux b/stdlib/source/library/lux/data/collection/set/multi.lux index 3b3e2039d..e08756a80 100644 --- a/stdlib/source/library/lux/data/collection/set/multi.lux +++ b/stdlib/source/library/lux/data/collection/set/multi.lux @@ -34,7 +34,7 @@ (def .public (has multiplicity elem set) (All (_ a) (-> Nat a (Set a) (Set a))) - (case multiplicity + (when multiplicity 0 set _ (|> set representation @@ -43,9 +43,9 @@ (def .public (lacks multiplicity elem set) (All (_ a) (-> Nat a (Set a) (Set a))) - (case multiplicity + (when multiplicity 0 set - _ (case (dictionary.value elem (representation set)) + _ (when (dictionary.value elem (representation set)) {.#Some current} (abstraction (if (n.> multiplicity current) diff --git a/stdlib/source/library/lux/data/collection/stack.lux b/stdlib/source/library/lux/data/collection/stack.lux index c53ba235a..c037e1a56 100644 --- a/stdlib/source/library/lux/data/collection/stack.lux +++ b/stdlib/source/library/lux/data/collection/stack.lux @@ -28,7 +28,7 @@ (def .public (value stack) (All (_ a) (-> (Stack a) (Maybe a))) - (case (representation stack) + (when (representation stack) {.#End} {.#None} @@ -37,7 +37,7 @@ (def .public (next stack) (All (_ a) (-> (Stack a) (Maybe [a (Stack a)]))) - (case (representation stack) + (when (representation stack) {.#End} {.#None} diff --git a/stdlib/source/library/lux/data/collection/stream.lux b/stdlib/source/library/lux/data/collection/stream.lux index 3c3a2cb29..bf39422ee 100644 --- a/stdlib/source/library/lux/data/collection/stream.lux +++ b/stdlib/source/library/lux/data/collection/stream.lux @@ -39,7 +39,7 @@ (-> [a (List a)] (Stream a))) (loop (again [head start tail next]) - (//.pending [head (case tail + (//.pending [head (when tail {.#End} (again start next) @@ -59,7 +59,7 @@ (def .public (item idx stream) (All (_ a) (-> Nat (Stream a) a)) (let [[head tail] (//.result stream)] - (case idx + (when idx 0 head _ (item (-- idx) tail)))) diff --git a/stdlib/source/library/lux/data/collection/tree/finger.lux b/stdlib/source/library/lux/data/collection/tree/finger.lux index b8a654516..68d7e7157 100644 --- a/stdlib/source/library/lux/data/collection/tree/finger.lux +++ b/stdlib/source/library/lux/data/collection/tree/finger.lux @@ -58,7 +58,7 @@ (def .public (value tree) (All (_ @ t v) (-> (Tree @ t v) v)) - (case (the #root (representation tree)) + (when (the #root (representation tree)) {0 #0 value} value @@ -67,7 +67,7 @@ (def .public (tags tree) (All (_ @ t v) (-> (Tree @ t v) (List t))) - (case (the #root (representation tree)) + (when (the #root (representation tree)) {0 #0 value} (list (the #tag (representation tree))) @@ -77,7 +77,7 @@ (def .public (values tree) (All (_ @ t v) (-> (Tree @ t v) (List v))) - (case (the #root (representation tree)) + (when (the #root (representation tree)) {0 #0 value} (list value) @@ -92,7 +92,7 @@ (let [(open "tag//[0]") monoid] (loop (again [_tag tag//identity _node root]) - (case _node + (when _node {0 #0 value} {.#Some value} @@ -106,7 +106,7 @@ (def .public (exists? predicate tree) (All (_ @ t v) (-> (Predicate t) (Tree @ t v) Bit)) - (case (..one predicate tree) + (when (..one predicate tree) {.#Some _} true diff --git a/stdlib/source/library/lux/data/collection/tree/zipper.lux b/stdlib/source/library/lux/data/collection/tree/zipper.lux index 1e403280e..b06a5c591 100644 --- a/stdlib/source/library/lux/data/collection/tree/zipper.lux +++ b/stdlib/source/library/lux/data/collection/tree/zipper.lux @@ -80,7 +80,7 @@ (def .public (start? zipper) (All (_ a) (-> (Zipper a) Bit)) - (case (the #family zipper) + (when (the #family zipper) {.#None} true @@ -89,7 +89,7 @@ (def .public (down zipper) (All (_ a) (-> (Zipper a) (Maybe (Zipper a)))) - (case (..children zipper) + (when (..children zipper) {.#End} {.#None} @@ -120,9 +120,9 @@ (with_template [ ] [(def .public ( zipper) (All (_ a) (-> (Zipper a) (Maybe (Zipper a)))) - (case (the #family zipper) + (when (the #family zipper) {.#Some family} - (case (the family) + (when (the family) {.#Item next side'} {.#Some (for @.old [#family {.#Some (|> family @@ -144,12 +144,12 @@ (def .public ( zipper) (All (_ a) (-> (Zipper a) (Maybe (Zipper a)))) - (case (the #family zipper) + (when (the #family zipper) {.#None} {.#None} {.#Some family} - (case (list.reversed (the family)) + (when (list.reversed (the family)) {.#End} {.#None} @@ -173,13 +173,13 @@ (def .public (next zipper) (All (_ a) (-> (Zipper a) (Maybe (Zipper a)))) - (case (..down zipper) + (when (..down zipper) {.#Some forward} {.#Some forward} {.#None} (loop (again [@ zipper]) - (case (..right @) + (when (..right @) {.#Some forward} {.#Some forward} @@ -190,12 +190,12 @@ (def (bottom zipper) (All (_ a) (-> (Zipper a) (Zipper a))) - (case (..right zipper) + (when (..right zipper) {.#Some forward} (bottom forward) {.#None} - (case (..down zipper) + (when (..down zipper) {.#Some forward} (bottom forward) @@ -204,12 +204,12 @@ (def .public (previous zipper) (All (_ a) (-> (Zipper a) (Maybe (Zipper a)))) - (case (..left zipper) + (when (..left zipper) {.#None} (..up zipper) {.#Some backward} - {.#Some (case (..down backward) + {.#Some (when (..down backward) {.#Some then} (..bottom then) @@ -219,13 +219,13 @@ (with_template [ ] [(def .public ( zipper) (All (_ a) (-> (Zipper a) (Maybe (Zipper a)))) - (case ( zipper) + (when ( zipper) {.#None} {.#None} {.#Some @} (loop (again [@ @]) - (case ( @) + (when ( @) {.#None} {.#Some @} @@ -238,7 +238,7 @@ (def .public (end? zipper) (All (_ a) (-> (Zipper a) Bit)) - (case (..end zipper) + (when (..end zipper) {.#None} true @@ -261,7 +261,7 @@ (All (_ a) (-> (Zipper a) (Maybe (Zipper a)))) (do maybe.monad [family (the #family zipper)] - (case (the #lefts family) + (when (the #lefts family) {.#End} (in (has [#node //.#children] (the #rights family) @@ -277,7 +277,7 @@ (with_template [ ] [(def .public ( value zipper) (All (_ a) (-> a (Zipper a) (Maybe (Zipper a)))) - (case (the #family zipper) + (when (the #family zipper) {.#None} {.#None} diff --git a/stdlib/source/library/lux/data/color.lux b/stdlib/source/library/lux/data/color.lux index bbccf6b7b..61e3d5593 100644 --- a/stdlib/source/library/lux/data/color.lux +++ b/stdlib/source/library/lux/data/color.lux @@ -249,9 +249,9 @@ t (|> +1.0 (f.- (|> +1.0 (f.- f) (f.* saturation))) (f.* brightness)) v brightness mod (|> i (f.% +6.0) f.int .nat) - red (case mod 0 v 1 q 2 p 3 p 4 t 5 v _ (undefined)) - green (case mod 0 t 1 v 2 v 3 q 4 p 5 p _ (undefined)) - blue (case mod 0 p 1 p 2 t 3 v 4 v 5 q _ (undefined))] + red (when mod 0 v 1 q 2 p 3 p 4 t 5 v _ (undefined)) + green (when mod 0 t 1 v 2 v 3 q 4 p 5 p _ (undefined)) + blue (when mod 0 p 1 p 2 t 3 v 4 v 5 q _ (undefined))] (of_rgb [#red (..up red) #green (..up green) #blue (..up blue)]))) diff --git a/stdlib/source/library/lux/data/format/css.lux b/stdlib/source/library/lux/data/format/css.lux index 80b0623cd..600068d16 100644 --- a/stdlib/source/library/lux/data/format/css.lux +++ b/stdlib/source/library/lux/data/format/css.lux @@ -55,7 +55,7 @@ (def .public (font font) (-> Font (CSS Special)) - (let [with_unicode (case (the /font.#unicode_range font) + (let [with_unicode (when (the /font.#unicode_range font) {.#Some unicode_range} (let [unicode_range' (format "U+" (at nat.hex encoded (the /font.#start unicode_range)) "-" (at nat.hex encoded (the /font.#end unicode_range)))] @@ -79,7 +79,7 @@ (def .public (import url query) (-> URL (Maybe Query) (CSS Special)) (abstraction (format (format "@import url(" (%.text url) ")") - (case query + (when query {.#Some query} (format " " (/query.query query)) diff --git a/stdlib/source/library/lux/data/format/css/value.lux b/stdlib/source/library/lux/data/format/css/value.lux index 3845d2cb6..4675c0385 100644 --- a/stdlib/source/library/lux/data/format/css/value.lux +++ b/stdlib/source/library/lux/data/format/css/value.lux @@ -918,7 +918,7 @@ (def (with_hint [hint stop]) (-> [(Maybe Hint) Stop] Text) - (case hint + (when hint {.#None} (representation Stop stop) @@ -1073,7 +1073,7 @@ Stop (List/1 [(Maybe Hint) Stop]) (Value Image)) (let [after_extent (format "at " (representation location)) - with_extent (case extent + with_extent (when extent {.#Some extent} (format (..extent extent) " " after_extent) @@ -1155,7 +1155,7 @@ (def .public (font_family options) (-> (List Font) (Value Font)) - (case options + (when options {.#Item _} (|> options (list#each ..font_name) diff --git a/stdlib/source/library/lux/data/format/html.lux b/stdlib/source/library/lux/data/format/html.lux index 15d20bb2d..d01f92b22 100644 --- a/stdlib/source/library/lux/data/format/html.lux +++ b/stdlib/source/library/lux/data/format/html.lux @@ -46,7 +46,7 @@ (def (target value) (-> Target Text) - (case value + (when value {#Blank} "_blank" {#Parent} "_parent" {#Self} "_self" @@ -176,7 +176,7 @@ (def .public (base href target) (-> URL (Maybe Target) Meta) (let [partial (list ["href" href]) - full (case target + full (when target {.#Some target} (list.partial ["target" (..target target)] partial) @@ -286,7 +286,7 @@ (def (area attributes shape) (-> Attributes Shape (HTML Any)) - (case shape + (when shape {#Rectangle rectangle} (..rectangle attributes rectangle) @@ -300,7 +300,7 @@ (-> Attributes (List [Attributes Shape]) Image Image) (all ..and for - (case (list#each (product.uncurried ..area) areas) + (when (list#each (product.uncurried ..area) areas) {.#End} (..empty "map" attributes) @@ -348,7 +348,7 @@ [(def .public ( description attributes content) (-> (Maybe Content) Attributes ) (..tag attributes - (case description + (when description {.#Some description} (all ..and (..tag (list) description) @@ -462,7 +462,7 @@ (def .public (description_list attributes descriptions) (-> Attributes (List [Content Element]) Element) - (case (list#each (function (_ [term description]) + (when (list#each (function (_ [term description]) (all ..and (..term term) (..description description))) @@ -524,7 +524,7 @@ (def .public (table attributes caption columns headers rows footer) (-> Attributes (Maybe Content) (Maybe Column) Header (List Cell) (Maybe Cell) Element) (let [head (..table_head (..table_row headers)) - content (case (list#each table_row rows) + content (when (list#each table_row rows) {.#End} head @@ -532,21 +532,21 @@ (..and head (..table_body (list#mix (function.flipped ..and) first rest)))) - content (case footer + content (when footer {.#None} content {.#Some footer} (..and content (..table_foot (..table_row footer)))) - content (case columns + content (when columns {.#None} content {.#Some columns} (..and (..columns_group columns) content)) - content (case caption + content (when caption {.#None} content diff --git a/stdlib/source/library/lux/data/format/json.lux b/stdlib/source/library/lux/data/format/json.lux index 3dd15f400..a5b036478 100644 --- a/stdlib/source/library/lux/data/format/json.lux +++ b/stdlib/source/library/lux/data/format/json.lux @@ -62,7 +62,7 @@ (def .public null? (Predicate JSON) - (|>> (pipe.case {#Null} true + (|>> (pipe.when {#Null} true _ false))) (def .public object @@ -98,7 +98,7 @@ (def (jsonF token) (-> JSON' Code) - (case token + (when token {#Null' _} (` {..#Null}) @@ -128,7 +128,7 @@ (def .public (fields json) (-> JSON (Try (List String))) - (case json + (when json {#Object obj} {try.#Success (dictionary.keys obj)} @@ -137,9 +137,9 @@ (def .public (field key json) (-> String JSON (Try JSON)) - (case json + (when json {#Object obj} - (case (dictionary.value key obj) + (when (dictionary.value key obj) {.#Some value} {try.#Success value} @@ -151,7 +151,7 @@ (def .public (has key value json) (-> String JSON JSON (Try JSON)) - (case json + (when json {#Object obj} {try.#Success {#Object (dictionary.has key value obj)}} @@ -161,7 +161,7 @@ (with_template [ ] [(def .public ( key json) (-> Text JSON (Try )) - (case (field key json) + (when (field key json) {try.#Success { value}} {try.#Success value} @@ -182,7 +182,7 @@ (Equivalence JSON) (implementation (def (= x y) - (case [x y] + (when [x y] [{#Null} {#Null}] true @@ -209,7 +209,7 @@ (and (n.= (dictionary.size xs) (dictionary.size ys)) (list#mix (function (_ [xk xv] prev) (and prev - (case (dictionary.value xk ys) + (when (dictionary.value xk ys) {.#None} false {.#Some yv} (= xv yv)))) true @@ -228,7 +228,7 @@ (def boolean_format (-> Boolean Text) - (|>> (pipe.case + (|>> (pipe.when .false "false" @@ -237,7 +237,7 @@ (def number_format (-> Number Text) - (|>> (pipe.case + (|>> (pipe.when +0.0 ... OR -0.0 "0.0" @@ -294,7 +294,7 @@ (def .public (format json) (-> JSON Text) - (case json + (when json (^.with_template [ ] [{ value} ( value)]) @@ -359,7 +359,7 @@ signed?' (<>.parses? (.this "-")) offset (.many .decimal)] (in (all text#composite mark (if signed?' "-" "") offset))))] - (case (f#decoded (all text#composite (if signed? "-" "") digits "." decimals exp)) + (when (f#decoded (all text#composite (if signed? "-" "") digits "." decimals exp)) {try.#Failure message} (<>.failure message) diff --git a/stdlib/source/library/lux/data/format/markdown.lux b/stdlib/source/library/lux/data/format/markdown.lux index 4b8e1a4a2..f6faa4820 100644 --- a/stdlib/source/library/lux/data/format/markdown.lux +++ b/stdlib/source/library/lux/data/format/markdown.lux @@ -110,7 +110,7 @@ (|>> list.enumeration (list#each (function (_ [idx [summary detail]]) (format "1. " (representation summary) - (case detail + (when detail {.#Some detail} (|> detail representation @@ -128,7 +128,7 @@ (Markdown Block)) (|>> (list#each (function (_ [summary detail]) (format "* " (representation summary) - (case detail + (when detail {.#Some detail} (|> detail representation diff --git a/stdlib/source/library/lux/data/format/tar.lux b/stdlib/source/library/lux/data/format/tar.lux index aad8579af..360ceeb11 100644 --- a/stdlib/source/library/lux/data/format/tar.lux +++ b/stdlib/source/library/lux/data/format/tar.lux @@ -236,16 +236,16 @@ (def (un_padded string) (-> Binary Binary) - (case (binary!.size string) + (when (binary!.size string) 0 string size (loop (again [end (-- size)]) - (case end + (when end 0 (at utf8.codec encoded "") _ (let [last_char (binary!.bits_8 end string)] - (`` (case (.nat last_char) + (`` (when (.nat last_char) (char (,, (static ..null))) (again (-- end)) @@ -434,7 +434,7 @@ (Parser Link_Flag) (do <>.monad [it .bits_8] - (case (.nat it) + (when (.nat it) (^.with_template [ ] [ (in )]) @@ -597,7 +597,7 @@ (-> Big Nat) (n.+ (n./ ..block_size (..from_big size)) - (case (n.% ..block_size (..from_big size)) + (when (n.% ..block_size (..from_big size)) 0 0 _ 1))) @@ -729,7 +729,7 @@ (def entry_format (Format Entry) - (|>> (pipe.case + (|>> (pipe.when {#Normal value} (..normal_file_format value) {#Symbolic_Link value} (..symbolic_link_format value) {#Directory value} (..directory_format value) diff --git a/stdlib/source/library/lux/data/format/xml.lux b/stdlib/source/library/lux/data/format/xml.lux index 3635c56f3..0978967f1 100644 --- a/stdlib/source/library/lux/data/format/xml.lux +++ b/stdlib/source/library/lux/data/format/xml.lux @@ -62,7 +62,7 @@ (<>.codec int.decimal) .slice .many! - (case hex? + (when hex? {.#None} .decimal! @@ -95,7 +95,7 @@ (do <>.monad [first_part xml_identifier ?second_part (<| <>.maybe (<>.after (.this ..namespace_separator)) xml_identifier)] - (case ?second_part + (when ?second_part {.#None} (in ["" first_part]) @@ -213,7 +213,7 @@ (def .public (tag [namespace name]) (-> Tag Text) - (case namespace + (when namespace "" name _ (all text#composite namespace ..namespace_separator name))) @@ -248,7 +248,7 @@ ..xml_header text.new_line (loop (again [prefix "" input input]) - (case input + (when input {#Text value} (sanitize_value value) @@ -282,7 +282,7 @@ (Equivalence XML) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Text reference/value} {#Text sample/value}] (text#= reference/value sample/value) diff --git a/stdlib/source/library/lux/data/sum.lux b/stdlib/source/library/lux/data/sum.lux index 03e26b25d..0ed2931d1 100644 --- a/stdlib/source/library/lux/data/sum.lux +++ b/stdlib/source/library/lux/data/sum.lux @@ -19,7 +19,7 @@ (-> (-> a c) (-> b c) (-> (Or a b) c))) (function (_ input) - (case input + (when input {0 #0 l} (on_left l) {0 #1 r} (on_right r)))) @@ -28,14 +28,14 @@ (-> (-> l l') (-> r r') (-> (Or l r) (Or l' r')))) (function (_ input) - (case input + (when input {0 #0 l} {0 #0 (on_left l)} {0 #1 r} {0 #1 (on_right r)}))) (with_template [ ] [(def .public ( items) (All (_ a b) (-> (List (Or a b)) (List ))) - (case items + (when items {.#End} {.#End} @@ -51,13 +51,13 @@ (def .public (partition xs) (All (_ a b) (-> (List (Or a b)) [(List a) (List b)])) - (case xs + (when xs {.#End} [{.#End} {.#End}] {.#Item x xs'} (let [[lefts rights] (partition xs')] - (case x + (when x {0 #0 x'} [{.#Item x' lefts} rights] {0 #1 x'} [lefts {.#Item x' rights}])))) @@ -65,7 +65,7 @@ (All (_ l r) (-> (Equivalence l) (Equivalence r) (Equivalence (Or l r)))) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{.#Left reference} {.#Left sample}] (at left = reference sample) @@ -82,7 +82,7 @@ (..equivalence (at left equivalence) (at right equivalence))) (def (hash value) - (.nat (case value + (.nat (when value {.#Left value} ("lux i64 *" +2 (.int (at left hash value))) diff --git a/stdlib/source/library/lux/data/text.lux b/stdlib/source/library/lux/data/text.lux index e9fa52957..8502d1d76 100644 --- a/stdlib/source/library/lux/data/text.lux +++ b/stdlib/source/library/lux/data/text.lux @@ -71,7 +71,7 @@ output (is (Maybe Nat) {.#None})]) (let [output' ("lux text index" offset part text)] - (case output' + (when output' {.#None} output @@ -80,7 +80,7 @@ (def .public (starts_with? prefix x) (-> Text Text Bit) - (case (index prefix x) + (when (index prefix x) {.#Some 0} true @@ -89,7 +89,7 @@ (def .public (ends_with? postfix x) (-> Text Text Bit) - (case (last_index postfix x) + (when (last_index postfix x) {.#Some n} (n.= (size x) (n.+ (size postfix) n)) @@ -104,7 +104,7 @@ (def .public (contains? sub text) (-> Text Text Bit) - (case ("lux text index" 0 sub text) + (when ("lux text index" 0 sub text) {.#Some _} true @@ -146,7 +146,7 @@ (def .public (split_at at x) (-> Nat Text (Maybe [Text Text])) - (case [(..clip 0 at x) (..clip_since at x)] + (when [(..clip 0 at x) (..clip_since at x)] [{.#Some pre} {.#Some post}] {.#Some [pre post]} @@ -165,7 +165,7 @@ (-> Text Text (List Text)) (loop (again [input sample output (is (List Text) (list))]) - (case (..split_by token input) + (when (..split_by token input) {.#Some [pre post]} (|> output {.#Item pre} @@ -185,9 +185,9 @@ (for @.js (these (def defined? (macro (_ tokens lux) - (case tokens + (when tokens (list it) - {.#Right [lux (list (` (.case ("js type-of" ("js constant" (, it))) + {.#Right [lux (list (` (.when ("js type-of" ("js constant" (, it))) "undefined" .false @@ -198,7 +198,7 @@ {.#Left ""}))) (def if_nashorn (macro (_ tokens lux) - (case tokens + (when tokens (list then else) {.#Right [lux (list (if (and (..defined? "java") (..defined? "java.lang") @@ -215,7 +215,7 @@ (with_expansions [... Inefficient default (loop (again [left "" right template]) - (case (..split_by pattern right) + (when (..split_by pattern right) {.#Some [pre post]} (again (all "lux text concat" left pre replacement) post) @@ -320,13 +320,13 @@ (def .public (interposed separator texts) (-> Text (List Text) Text) - (case separator + (when separator "" (..together texts) _ (|> texts (list.interposed separator) ..together))) (def .public (empty? text) (-> Text Bit) - (case text + (when text "" true _ false)) @@ -347,7 +347,7 @@ [..carriage_return] [..form_feed] )] - (`` (case char + (`` (when char _ diff --git a/stdlib/source/library/lux/data/text/escape.lux b/stdlib/source/library/lux/data/text/escape.lux index 85f038d05..2ce6021a6 100644 --- a/stdlib/source/library/lux/data/text/escape.lux +++ b/stdlib/source/library/lux/data/text/escape.lux @@ -72,7 +72,7 @@ (-> Char Bit) (or (n.< ..ascii_bottom char) (n.> ..ascii_top char) - (case char + (when char (^.with_template [] [ true]) @@ -97,7 +97,7 @@ (-> Char Nat Nat Text Text [Text Text Nat]) (let [code (at n.hex encoded char) replacement (format ..sigil "u" - (case ("lux text size" code) + (when ("lux text size" code) 1 (format "000" code) 2 (format "00" code) 3 (format "0" code) @@ -117,7 +117,7 @@ current text limit ("lux text size" text)]) (if (n.< limit offset) - (case ("lux text char" offset current) + (when ("lux text char" offset current) (^.with_template [ ] [ (let [[previous' current' limit'] (ascii_escaped offset limit previous current)] @@ -180,7 +180,7 @@ (def (unicode_un_escaped offset previous current limit) (-> Nat Text Text Nat (Try [Text Text Nat])) - (case (|> current + (when (|> current ("lux text clip" (n.+ ..ascii_escape_offset offset) ..code_size) (at n.hex decoded)) {try.#Success char} @@ -201,11 +201,11 @@ current text limit ("lux text size" text)]) (if (n.< limit offset) - (case ("lux text char" offset current) + (when ("lux text char" offset current) ..sigil_char (let [@sigil (++ offset)] (if (n.< limit @sigil) - (case ("lux text char" @sigil current) + (when ("lux text char" @sigil current) (^.with_template [ ] [ (let [[previous' current' limit'] (..ascii_un_escaped offset previous current limit)] @@ -235,13 +235,13 @@ _ (again (++ offset) previous current limit)) - {try.#Success (case previous + {try.#Success (when previous "" current _ (format previous current))}))) (def .public literal (syntax (_ [literal .text]) - (case (..un_escaped literal) + (when (..un_escaped literal) {try.#Success un_escaped} (in (list (code.text un_escaped))) diff --git a/stdlib/source/library/lux/data/text/regex.lux b/stdlib/source/library/lux/data/text/regex.lux index d8d094f6e..09dba9073 100644 --- a/stdlib/source/library/lux/data/text/regex.lux +++ b/stdlib/source/library/lux/data/text/regex.lux @@ -111,7 +111,7 @@ parts (<>.many (all <>.either re_range^ re_options^))] - (in (case negate? + (in (when negate? {.#Some _} (` (.not (all <>.either (,* parts)))) {.#None} (` (all <>.either (,* parts))))))) @@ -219,7 +219,7 @@ (do <>.monad [base (re_simple^ current_module) quantifier (.one_of "?*+")] - (case quantifier + (when quantifier "?" (in (` (<>.else "" (, base)))) @@ -290,7 +290,7 @@ [Nat (List Code) (List (List Code))] [Nat (List Code) (List (List Code))]) (function (_ part [idx names steps]) - (case part + (when part (^.or {.#Left complex} {.#Right [{#Non_Capturing} complex]}) [idx @@ -300,7 +300,7 @@ steps)] {.#Right [{#Capturing [?name num_captures]} scoped]} - (let [[idx! name!] (case ?name + (let [[idx! name!] (when ?name {.#Some _name} [idx (code.symbol ["" _name])] @@ -335,12 +335,12 @@ (def .public (or left right) (All (_ l r) (-> (Parser [Text l]) (Parser [Text r]) (Parser [Text (Or l r)]))) (function (_ input) - (case (left input) + (when (left input) {try.#Success [input' [lt lv]]} {try.#Success [input' [lt {0 #0 lv}]]} {try.#Failure _} - (case (right input) + (when (right input) {try.#Success [input' [rt rv]]} {try.#Success [input' [rt {0 #1 rv}]]} @@ -350,12 +350,12 @@ (def .public (either left right) (All (_ l r) (-> (Parser [Text l]) (Parser [Text r]) (Parser Text))) (function (_ input) - (case (left input) + (when (left input) {try.#Success [input' [lt lv]]} {try.#Success [input' lt]} {try.#Failure _} - (case (right input) + (when (right input) {try.#Success [input' [rt rv]]} {try.#Success [input' rt]} @@ -418,7 +418,7 @@ (syntax (_ [pattern .text]) (do meta.monad [current_module meta.current_module_name] - (case (.result (regex^ current_module) + (when (.result (regex^ current_module) pattern) {try.#Failure error} (meta.failure (format "Error while parsing regular-expression:" //.new_line diff --git a/stdlib/source/library/lux/data/text/unicode/set.lux b/stdlib/source/library/lux/data/text/unicode/set.lux index 13c5d4f47..771fb287f 100644 --- a/stdlib/source/library/lux/data/text/unicode/set.lux +++ b/stdlib/source/library/lux/data/text/unicode/set.lux @@ -217,7 +217,7 @@ (-> Set Char Bit) (loop (again [tree (representation set)]) (if (//block.within? (tree.tag tree) character) - (case (tree.root tree) + (when (tree.root tree) {0 #0 _} true diff --git a/stdlib/source/library/lux/debug.lux b/stdlib/source/library/lux/debug.lux index ad5fa71fb..88df6bc7b 100644 --- a/stdlib/source/library/lux/debug.lux +++ b/stdlib/source/library/lux/debug.lux @@ -148,7 +148,7 @@ Inspector (with_expansions [ (let [object (as java/lang/Object value)] (`` (<| (,, (with_template [ ] - [(case (ffi.as object) + [(when (ffi.as object) {.#Some value} (`` (|> value (,, (template.spliced )))) @@ -159,16 +159,16 @@ [java/lang/Number [java/lang/Number::doubleValue ffi.of_double %.frac]] [java/lang/String [ffi.of_string %.text]] )) - (case (ffi.as [java/lang/Object] object) + (when (ffi.as [java/lang/Object] object) {.#Some value} (let [value (as (array.Array java/lang/Object) value)] - (case (array.item 0 value) + (when (array.item 0 value) (^.multi {.#Some tag} [(ffi.as java/lang/Integer tag) {.#Some tag}] [[(array.item 1 value) (array.item 2 value)] [last? {.#Some choice}]]) - (let [last? (case last? + (let [last? (when last? {.#Some _} #1 {.#None} #0)] (|> (%.format (%.nat (.nat (ffi.of_long (java/lang/Integer::longValue tag)))) @@ -184,7 +184,7 @@ @.jvm @.js - (case (ffi.type_of value) + (when (ffi.type_of value) (^.with_template [ ] [ (`` (|> value (,, (template.spliced ))))]) @@ -219,7 +219,7 @@ (JSON::stringify value)) @.python - (case (..str (..type value)) + (when (..str (..type value)) (^.with_template [ ] [(^.or ) (`` (|> value (,, (template.spliced ))))]) @@ -234,7 +234,7 @@ (^.or "" "") (let [variant (as (array.Array Any) value)] - (case (array.size variant) + (when (array.size variant) 3 (let [variant_tag ("python array read" 0 variant) variant_flag ("python array read" 1 variant) variant_value ("python array read" 2 variant)] @@ -251,7 +251,7 @@ (..str value)) @.lua - (case (..type value) + (when (..type value) (^.with_template [ ] [ (`` (|> value (,, (template.spliced ))))]) @@ -260,7 +260,7 @@ ["nil" [(pipe.new "nil" [])]]) "number" - (case (math::type value) + (when (math::type value) {.#Some "integer"} (|> value (as .Int) %.int) {.#Some "float"} (|> value (as .Frac) %.frac) @@ -324,7 +324,7 @@ (to_s value))))) @.php - (case (..gettype value) + (when (..gettype value) (^.with_template [ ] [ (`` (|> value (,, (template.spliced ))))]) @@ -451,14 +451,14 @@ (let [[lefts right? sub_repr] (loop (again [lefts 0 representations membersR+ variantV variantV]) - (case representations + (when representations {.#Item leftR {.#Item rightR extraR+}} - (case (as (Or Any Any) variantV) + (when (as (Or Any Any) variantV) {.#Left left} [lefts #0 (leftR left)] {.#Right right} - (case extraR+ + (when extraR+ {.#End} [lefts #1 (rightR right)] @@ -476,7 +476,7 @@ (in (function (_ tupleV) (let [tuple_body (loop (again [representations membersR+ tupleV tupleV]) - (case representations + (when representations {.#End} "" @@ -500,7 +500,7 @@ (do <>.monad [[funcT inputsT+] (.applied (<>.and .any (<>.many .any)))] - (case (type.applied inputsT+ funcT) + (when (type.applied inputsT+ funcT) {.#Some outputT} (.local (list outputT) representation) @@ -516,7 +516,7 @@ (def .public (representation type value) (-> Type Any (Try Text)) - (case (.result ..representation_parser type) + (when (.result ..representation_parser type) {try.#Success representation} {try.#Success (representation value)} @@ -576,7 +576,7 @@ list.reversed (dictionary.of_list text.hash))] targets (is (Meta (List Target)) - (case targets + (when targets {.#End} (|> environment dictionary.keys @@ -594,7 +594,7 @@ (exception.report (.list (,* (|> targets (list#each (function (_ [name format]) - (let [format (case format + (let [format (when format {.#None} (` ..inspection) diff --git a/stdlib/source/library/lux/documentation.lux b/stdlib/source/library/lux/documentation.lux index c12774068..dc8e85722 100644 --- a/stdlib/source/library/lux/documentation.lux +++ b/stdlib/source/library/lux/documentation.lux @@ -54,7 +54,7 @@ (def (reference_column code) (-> Code Nat) - (case code + (when code (^.with_template [] [[[_ _ column] { _}] column]) @@ -91,7 +91,7 @@ (def (code_documentation expected_module old_location reference_column example) (-> Text Location Nat Code [Location Text]) - (case example + (when example [new_location {.#Symbol [module short]}] (let [documentation (cond (text#= expected_module module) short @@ -139,7 +139,7 @@ (def (fragment_documentation module fragment) (-> Text Fragment Text) - (case fragment + (when fragment {#Comment comment} (format "... " comment) @@ -176,7 +176,7 @@ (-> [Text (List Text)] Nat Nat Text) (if (type_parameter? id) (let [parameter_id (..parameter_id level id)] - (case (list.item parameter_id type_function_arguments) + (when (list.item parameter_id type_function_arguments) {.#Some found} found @@ -206,7 +206,7 @@ (def (%type' level type_function_name nestable? module type) (-> Nat Text Bit Text Type Text) - (case type + (when type {.#Primitive name params} (|> params (list#each (|>> (%type' level type_function_name false module) @@ -292,9 +292,9 @@ (def (parameterized_type arity type) (-> Nat Type (Maybe Type)) - (case arity + (when arity 0 {.#Some type} - _ (case type + _ (when type {.#UnivQ _env _type} (parameterized_type (-- arity) _type) @@ -303,15 +303,15 @@ (def (type_definition' nestable? level arity type_function_info tags module type) (-> Bit Nat Nat [Text (List Text)] (List Text) Text Type Text) - (case tags + (when tags (list single_tag) (format "(Record" \n " [#" single_tag " " (type_definition' false level arity type_function_info {.#None} module type) "])") _ - (case type + (when type {.#Primitive name params} - (case params + (when params {.#End} (format "(Primitive " (%.text name) ")") @@ -320,7 +320,7 @@ {.#Sum _} (let [members (type.flat_variant type)] - (case tags + (when tags {.#End} (format "(Or " (|> members @@ -332,7 +332,7 @@ (|> members (list.zipped_2 tags) (list#each (function (_ [t_name type]) - (case type + (when type {.#Product _} (let [types (type.flat_tuple type)] (format " {" t_name " " @@ -348,7 +348,7 @@ {.#Product _} (let [members (type.flat_tuple type)] - (case tags + (when tags {.#End} (format "[" (|> members (list#each (type_definition' false level arity type_function_info {.#None} module)) (text.interposed " ")) "]") @@ -382,7 +382,7 @@ (let [[level' body] ( type) args (level_parameters (n.- arity level) level') body_doc (type_definition' nestable? (n.+ level level') arity type_function_info tags module body) - fn_name (case type_function_info + fn_name (when type_function_info [fn_name {.#End}] fn_name _ "_")] (format "(" " " "(" fn_name " " (text.interposed " " args) ")" @@ -427,7 +427,7 @@ (def .public (type_definition module [name parameters] tags type) (-> Text [Text (List Text)] (List Text) Type Text) (let [arity (list.size parameters)] - (case (parameterized_type arity type) + (when (parameterized_type arity type) {.#Some type} (type_definition' true (-- arity) arity [name parameters] tags module type) @@ -447,7 +447,7 @@ (Parser Symbol) (do <>.monad [name .symbol] - (case name + (when name ["" _] (<>.failure (exception.error ..unqualified_symbol [name])) @@ -498,7 +498,7 @@ ... Name (<| (md.heading/3) (, (code.text (%.code (let [g!name (|> name product.right code.local)] - (case parameters + (when parameters {.#End} g!name @@ -534,7 +534,7 @@ (in (list (` (all md.then (,* minimal) ... Description - (,* (case description + (,* (when description {.#Some description} (list (` (<| md.paragraph md.text @@ -543,7 +543,7 @@ {.#None} (list))) ... Examples - (,* (case examples + (,* (when examples {.#End} (list) @@ -574,7 +574,7 @@ (syntax (_ [[name parameters] ..declaration extra (<>.some .any)]) (do meta.monad - [documentation (expansion.single (` ((, (case extra + [documentation (expansion.single (` ((, (when extra (list) (` ..minimal_definition_documentation) @@ -606,7 +606,7 @@ (def coverage_format (-> (List Text) Text) (list#mix (function (_ short aggregate) - (case aggregate + (when aggregate "" short _ (format aggregate ..coverage_separator short))) "")) @@ -641,7 +641,7 @@ (md.heading/1 (the #module module)) ... Description - (case (the #description module) + (when (the #description module) "" md.empty description (<| md.paragraph md.text @@ -656,7 +656,7 @@ ..definitions_documentation) ... Missing documentation - (case (|> definitions + (when (|> definitions (list#mix (function (_ definition missing) (set.lacks (symbol.short (the #global definition)) missing)) _#coverage) @@ -670,7 +670,7 @@ (..listing missing))) ... Un-expected documentation - (case (|> definitions + (when (|> definitions (list.only (|>> (the #global) symbol.short (set.member? _#coverage) diff --git a/stdlib/source/library/lux/ffi.jvm.lux b/stdlib/source/library/lux/ffi.jvm.lux index b244493a6..be31fd27a 100644 --- a/stdlib/source/library/lux/ffi.jvm.lux +++ b/stdlib/source/library/lux/ffi.jvm.lux @@ -333,7 +333,7 @@ (def (primitive_type mode type) (-> Primitive_Mode (Type Primitive) Code) - (case mode + (when mode {#ManualPrM} (cond (at jvm.equivalence = jvm.boolean type) (` ..Boolean) (at jvm.equivalence = jvm.byte type) (` ..Byte) @@ -370,7 +370,7 @@ (-> (-> (Type Value) Code) (-> (Type Parameter) Code)) (`` (<| (,, (with_template [ ] - [(case ( type) + [(when ( type) {.#Some } @@ -384,7 +384,7 @@ (` (.Primitive (, (code.text name)) [(,* (list#each (parameter_type value_type) parameters))]))] [parser.array? elementT - (case (parser.primitive? elementT) + (when (parser.primitive? elementT) {.#Some elementT} (` {.#Primitive (, (code.text (..reflection (jvm.array elementT)))) {.#End}}) @@ -397,7 +397,7 @@ (def (value_type mode type) (-> Primitive_Mode (Type Value) Code) (`` (<| (,, (with_template [ ] - [(case ( type) + [(when ( type) {.#Some } @@ -885,7 +885,7 @@ (def (privacy_modifier$ pm) (-> Privacy Code) - (case pm + (when pm {#PublicP} (code.text "public") {#PrivateP} (code.text "private") {#ProtectedP} (code.text "protected") @@ -893,7 +893,7 @@ (def (inheritance_modifier$ im) (-> Inheritance Code) - (case im + (when im {#FinalI} (code.text "final") {#AbstractI} (code.text "abstract") {#DefaultI} (code.text "default"))) @@ -935,14 +935,14 @@ (def (state_modifier$ it) (-> State Code) - (case it + (when it {#VolatileS} (' "volatile") {#FinalS} (' "final") {#DefaultS} (' "default"))) (def (field_decl$ [[name pm anns] field]) (-> [Member_Declaration FieldDecl] Code) - (case field + (when field {#ConstantField class value} (` ("constant" (, (code.text name)) [(,* (list#each annotation$ anns))] @@ -1126,9 +1126,9 @@ (list#each (function (_ [member field]) [(the #member_name member) [member field]])) (dictionary.of_list text.hash))]] - (case (dictionary.value field fields) + (when (dictionary.value field fields) {.#Some [member {#VariableField _ static? :field:}]} - (case [static? this] + (when [static? this] [.true {.#None}] (in (list (` ("jvm member get static" (, (code.text class_name)) @@ -1156,14 +1156,14 @@ (list#each (function (_ [member field]) [(the #member_name member) [member field]])) (dictionary.of_list text.hash))]] - (case (dictionary.value field fields) + (when (dictionary.value field fields) {.#Some [member {#VariableField state static? :field:}]} - (case state + (when state {#FinalS} (meta.failure (exception.error ..cannot_set_field [class_name field])) _ - (case [static? this] + (when [static? this] [.true {.#None}] (in (list (` ("jvm member put static" (, (code.text class_name)) @@ -1210,7 +1210,7 @@ (list#each (function (_ [member virtual]) [(the #member_name member) [member virtual]])) (dictionary.of_list text.hash))]] - (case (dictionary.value method virtuals) + (when (dictionary.value method virtuals) {.#Some [member method]} (let [expected_arguments (list.size (the #method_inputs method)) actual_arguments (list.size inputs)] @@ -1233,7 +1233,7 @@ (def (method_declaration [member definition]) (-> [Member_Declaration Method_Definition] (Maybe [Member_Declaration MethodDecl])) - (case definition + (when definition {#VirtualMethod final? strict_fp? type_vars self_name arguments return_type body exs} {.#Some [member [#method_tvars type_vars @@ -1247,14 +1247,14 @@ (def (method_def$ fully_qualified_class_name class_vars super_class fields methods [method_declaration method_def]) (-> External (List (Type Var)) (Type Class) (List [Member_Declaration FieldDecl]) (List [Member_Declaration Method_Definition]) [Member_Declaration Method_Definition] (Meta Code)) (let [[name pm anns] method_declaration - virtual_methods (case (list.all ..method_declaration methods) + virtual_methods (when (list.all ..method_declaration methods) {.#End} (list) virtual_methods (list (` (..with_call [(, (declaration$ (jvm.declaration fully_qualified_class_name class_vars))) [(,* (list#each method_decl$$ virtual_methods))]]))))] - (case method_def + (when method_def {#ConstructorMethod strict_fp? type_vars self_name arguments constructor_args body exs} (meta#in (` ("init" (, (privacy_modifier$ pm)) @@ -1426,7 +1426,7 @@ (def .public !!! (syntax (_ [expr .any]) (with_symbols [g!value] - (in (list (` (.case (, expr) + (in (list (` (.when (, expr) {.#Some (, g!value)} (, g!value) @@ -1444,7 +1444,7 @@ {.#Some (.as (, class_type) (, g!unchecked))} {.#None}))] - (case unchecked + (when unchecked {.#Some unchecked} (in (list (` (.is (, check_type) (let [(, g!unchecked) (, unchecked)] @@ -1483,12 +1483,12 @@ (def (member_type_vars class_tvars member) (-> (List (Type Var)) Import_Member_Declaration (List (Type Var))) - (case member + (when member {#ConstructorDecl [commons _]} (list#composite class_tvars (the #import_member_tvars commons)) {#MethodDecl [commons _]} - (case (the #import_member_kind commons) + (when (the #import_member_kind commons) {#StaticIMK} (the #import_member_tvars commons) @@ -1500,7 +1500,7 @@ (def (member_def_arg_bindings vars member) (-> (List (Type Var)) Import_Member_Declaration (Meta [(List [Bit Code]) (List (Type Value)) (List Code)])) - (case member + (when member (^.or {#ConstructorDecl [commons _]} {#MethodDecl [commons _]}) (let [(open "[0]") commons] (do [! meta.monad] @@ -1525,7 +1525,7 @@ (def (with_return_maybe member never_null? unboxed return_term) (-> Import_Member_Declaration Bit (Type Value) Code Code) - (case member + (when member (^.or {#ConstructorDecl [commons _]} {#MethodDecl [commons _]}) (cond (or never_null? (dictionary.key? ..boxes unboxed)) @@ -1548,7 +1548,7 @@ (with_template [ ] [(def ( member return_term) (-> Import_Member_Declaration Code Code) - (case member + (when member (^.or {#ConstructorDecl [commons _]} {#MethodDecl [commons _]}) (if (the commons) @@ -1565,7 +1565,7 @@ [(def ( mode [unboxed raw]) (-> Primitive_Mode [(Type Value) Code] Code) (let [[unboxed refined post] (.is [(Type Value) Code (List Code)] - (case mode + (when mode {#ManualPrM} [unboxed raw (list)] @@ -1586,13 +1586,13 @@ (` ("jvm object cast" (, raw))) raw) (list)])))) - unboxed/boxed (case (dictionary.value unboxed ..boxes) + unboxed/boxed (when (dictionary.value unboxed ..boxes) {.#Some boxed} ( unboxed boxed refined) {.#None} refined)] - (case post + (when post {.#End} unboxed/boxed @@ -1656,12 +1656,12 @@ (def (member_def_interop vars kind class [arg_function_inputs input_jvm_types arg_types] member method_prefix import_format) (-> (List (Type Var)) Class_Kind (Type Declaration) [(List [Bit Code]) (List (Type Value)) (List Code)] Import_Member_Declaration Text Text (Meta (List Code))) (let [[full_name class_tvars] (parser.declaration class)] - (case member + (when member {#EnumDecl enum_members} (with_symbols [g!_] (do meta.monad [.let [enum_type (.is Code - (case class_tvars + (when class_tvars {.#End} (` (.Primitive (, (code.text full_name)))) @@ -1704,13 +1704,13 @@ (open "[0]") commons (open "[0]") method [jvm_op object_ast] (.is [Text (List Code)] - (case #import_member_kind + (when #import_member_kind {#StaticIMK} ["jvm member invoke static" (list)] {#VirtualIMK} - (case kind + (when kind {#Class} ["jvm member invoke virtual" (list g!obj)] @@ -1734,7 +1734,7 @@ (list.zipped_2 input_jvm_types) (list#each ..decorate_input)))))) jvm_interop (.is Code - (case (jvm.void? method_return) + (when (jvm.void? method_return) {.#Left method_return} (|> [method_return callC] @@ -1805,7 +1805,7 @@ (` ((,' in) (.list (.` (, getter_body))))))] (list (` (def (, g!name) (syntax ((, g!name) [(, write|read) (, parser)]) - (case (, write|read) + (when (, write|read) (,* write) (,* read)))))))))) ))) @@ -1835,7 +1835,7 @@ (def (class_kind declaration) (-> (Type Declaration) (Meta Class_Kind)) (let [[class_name _] (parser.declaration declaration)] - (case (load_class class_name) + (when (load_class class_name) {.#Right class} (at meta.monad in (if (interface? class) {#Interface} @@ -1890,11 +1890,11 @@ (-> Type_Context .Type (Meta (Type Value))) (if (type#= .Any type) (at meta.monad in $Object) - (case type + (when type {.#Primitive name params} (`` (cond (,, (with_template [] [(text#= (..reflection ) name) - (case params + (when params {.#End} (at meta.monad in ) @@ -1912,7 +1912,7 @@ (,, (with_template [] [(text#= (..reflection (jvm.array )) name) - (case params + (when params {.#End} (at meta.monad in (jvm.array )) @@ -1929,7 +1929,7 @@ [jvm.char])) (text#= array.primitive name) - (case params + (when params {.#Item {.#Apply writeLT {.#Apply readLT _Mutable}} {.#End}} (at meta.monad each jvm.array (lux_type->jvm_type context readLT)) @@ -1938,7 +1938,7 @@ ) (text.starts_with? descriptor.array_prefix name) - (case params + (when params {.#End} (let [[_ unprefixed] (maybe.trusted (text.split_by descriptor.array_prefix name))] (at meta.monad each jvm.array @@ -1954,7 +1954,7 @@ (function (_ paramLT) (do meta.monad [paramJT (lux_type->jvm_type context paramLT)] - (case (parser.parameter? paramJT) + (when (parser.parameter? paramJT) {.#Some paramJT} (in paramJT) @@ -1963,7 +1963,7 @@ params))))) {.#Apply A F} - (case (type.applied (list A) F) + (when (type.applied (list A) F) {.#None} @@ -1974,7 +1974,7 @@ (lux_type->jvm_type context type') {.#Var @it} - (case (check.result context (check.peek @it)) + (when (check.result context (check.peek @it)) {try.#Success {.#Some :it:}} (lux_type->jvm_type context :it:) @@ -1986,7 +1986,7 @@ (def .public length (syntax (_ [array .any]) - (case array + (when array [_ {.#Symbol array_name}] (do meta.monad [array_type (meta.type array_name) @@ -2023,7 +2023,7 @@ (def .public read! (syntax (_ [idx .any array .any]) - (case array + (when array [_ {.#Symbol array_name}] (do meta.monad [array_type (meta.type array_name) @@ -2063,7 +2063,7 @@ (syntax (_ [idx .any value .any array .any]) - (case array + (when array [_ {.#Symbol array_name}] (do meta.monad [array_type (meta.type array_name) @@ -2116,7 +2116,7 @@ (def .public is (syntax (_ [type (..type^ (list)) object .any]) - (case [(parser.array? type) + (when [(parser.array? type) (parser.class? type)] (^.or [{.#Some _} _] [_ {.#Some _}]) (in (list (` (.is (, (..value_type {#ManualPrM} type)) diff --git a/stdlib/source/library/lux/ffi.lux b/stdlib/source/library/lux/ffi.lux index 92c342750..850ac3b83 100644 --- a/stdlib/source/library/lux/ffi.lux +++ b/stdlib/source/library/lux/ffi.lux @@ -277,7 +277,7 @@ (def (host_optional it) (-> Optional Code) (.if (.the #optional? it) - (` (.case (, (the #mandatory it)) + (` (.when (, (the #mandatory it)) {.#Some (, g!it')} (, g!it') @@ -371,13 +371,13 @@ :parameters: (the #parameters input) g!parameters (..parameters :parameters:) :output: (the [#anonymous #output] it) - :input:/* (case :parameters: + :input:/* (when :parameters: {.#End} (list (` [])) parameters (list#each ..output_type :parameters:))] - (` (.def ((, g!it) (,* (case g!parameters + (` (.def ((, g!it) (,* (when g!parameters {.#End} (list g!it) _ (list#each (the #mandatory) g!parameters)))) (.All ((, g!it) (,* g!variables)) @@ -407,7 +407,7 @@ (for @.js (these) (def (imported class) (-> Text Code) - (case (text.all_split_by .module_separator class) + (when (text.all_split_by .module_separator class) {.#Item head tail} (list#mix (.function (_ sub super) (` ( (, (code.text sub)) @@ -449,7 +449,7 @@ g!class_variables (list#each code.local class_parameters) g!class (` ((, (code.local (maybe.else class_name alias))) (,* g!class_variables))) :output: [#optional? false #mandatory g!class]] - (` (.def ((, g!it) (,* (case g!parameters + (` (.def ((, g!it) (,* (when g!parameters {.#End} (list g!it) _ (list#each (the #mandatory) g!parameters)))) (.All ((, g!it) (,* g!class_variables) (,* g!input_variables)) @@ -564,13 +564,13 @@ (syntax (_ [host_module (<>.maybe .text) it ..importP]) (let [host_module_import! (is (List Code) - (case host_module + (when host_module {.#Some host_module} (list (` ( (, (code.text host_module))))) {.#None} (list)))] - (case it + (when it {#Global it} (in (list (..global_definition host_module_import! it))) @@ -591,7 +591,7 @@ (..Object (.Primitive (, (code.text (..host_path class_name))) [(,* g!class_variables)])))) (list#each (.function (_ member) - (`` (`` (case member + (`` (`` (when member (,, (for @.lua (,, (these)) @.ruby (,, (these)) (,, (these {#Constructor it} @@ -631,10 +631,10 @@ [head tail] (.tuple (<>.and .local (<>.some .local)))]) (with_symbols [g!_] (let [global (` ("js constant" (, (code.text head))))] - (case tail + (when tail {.#End} (in (list (` (is (.Maybe (, type)) - (case (..type_of (, global)) + (when (..type_of (, global)) "undefined" {.#None} @@ -644,7 +644,7 @@ {.#Item [next tail]} (let [separator "."] (in (list (` (is (.Maybe (, type)) - (case (..type_of (, global)) + (when (..type_of (, global)) "undefined" {.#None} @@ -654,7 +654,7 @@ (def !defined? (template (_ ) - [(.case (..global Any ) + [(.when (..global Any ) {.#None} .false @@ -706,7 +706,7 @@ (.function (_ name phase archive inputs) (.function (_ state) (let [ [name phase archive state]] - (case (.result inputs) + (when (.result inputs) {try.#Failure error} {try.#Failure (%.format "Invalid inputs for extension: " (%.text name) text.\n error)} @@ -720,7 +720,7 @@ (.function (_ name phase archive inputs) (.function (_ state) (let [ [name phase archive state]] - (case inputs + (when inputs @@ -780,7 +780,7 @@ (def (pairs it) (All (_ a) (-> (List a) (List [a a]))) - (case it + (when it (list.partial left right tail) (list.partial [left right] (pairs tail)) @@ -796,7 +796,7 @@ (do [! try.monad] [[state output] (monad.mix ! (.function (_ [key value] [state output]) - (case key + (when key (text_synthesis key) (do try.monad [[state value] (phase archive value state)] diff --git a/stdlib/source/library/lux/ffi.old.lux b/stdlib/source/library/lux/ffi.old.lux index 2208f9ee4..7444e1d3a 100644 --- a/stdlib/source/library/lux/ffi.old.lux +++ b/stdlib/source/library/lux/ffi.old.lux @@ -284,7 +284,7 @@ ... Utils (def (manual_primitive_type class) (-> Text (Maybe Code)) - (case class + (when class (^.with_template [ ] [ {.#Some (' )}]) @@ -303,7 +303,7 @@ (def (auto_primitive_type class) (-> Text (Maybe Code)) - (case class + (when class (^.with_template [ ] [ {.#Some (' )}]) @@ -328,7 +328,7 @@ (-> Primitive_Mode (List Type_Parameter) Bit [Text (List GenericType)] (-> Primitive_Mode (List Type_Parameter) Bit GenericType Code) Code) - (case [name+params mode in_array?] + (when [name+params mode in_array?] (^.multi [[prim {.#End}] {#ManualPrM} .false] [(manual_primitive_type prim) {.#Some output}]) @@ -346,9 +346,9 @@ (def (class_type' mode type_params in_array? class) (-> Primitive_Mode (List Type_Parameter) Bit GenericType Code) - (case class + (when class {#GenericTypeVar name} - (case (list.example (function (_ [pname pbounds]) + (when (list.example (function (_ [pname pbounds]) (and (text#= name pname) (not (list.empty? pbounds)))) type_params) @@ -386,7 +386,7 @@ (-> Class_Declaration Code) (let [=params (list#each (.is (-> Type_Parameter Code) (function (_ [pname pbounds]) - (case pbounds + (when pbounds {.#End} (code.symbol ["" pname]) @@ -400,9 +400,9 @@ (def (simple_class$ env class) (-> (List Type_Parameter) GenericType Text) - (case class + (when class {#GenericTypeVar name} - (case (list.example (function (_ [pname pbounds]) + (when (list.example (function (_ [pname pbounds]) (and (text#= name pname) (not (list.empty? pbounds)))) env) @@ -423,7 +423,7 @@ (safe name) {#GenericArray param'} - (case param' + (when param' {#GenericArray param} (format "[" (simple_class$ env param)) @@ -467,7 +467,7 @@ (def (pre_walk_replace f input) (-> (-> Code Code) Code Code) - (case (f input) + (when (f input) (^.with_template [] [[meta { parts}] [meta { (list#each (pre_walk_replace f) parts)}]]) @@ -480,7 +480,7 @@ (def (parser_replacer p ast) (-> (Parser Code) (-> Code Code)) - (case (<>.result p (list ast)) + (when (<>.result p (list ast)) {.#Right [{.#End} ast']} ast' @@ -490,7 +490,7 @@ (def (field_parser class_name [[field_name _ _] field]) (-> Text [Member_Declaration FieldDecl] (Parser Code)) - (case field + (when field {#ConstantField _} (get_const_parser class_name field_name) @@ -537,7 +537,7 @@ (def (method_parser params class_name [[method_name _ _] meth_def]) (-> (List Type_Parameter) Text [Member_Declaration Method_Definition] (Parser Code)) - (case meth_def + (when meth_def {#ConstructorMethod strict? type_vars args constructor_args return_expr exs} (constructor_parser params class_name args) @@ -603,7 +603,7 @@ (in {#GenericClass name (list)}))) (.tuple (do <>.monad [component again^] - (case component + (when component (^.with_template [ ] [{#GenericClass {.#End}} (in {#GenericClass (list)})]) @@ -988,7 +988,7 @@ (def (privacy_modifier$ pm) (-> Privacy JVM_Code) - (case pm + (when pm {#PublicP} "public" {#PrivateP} "private" {#ProtectedP} "protected" @@ -996,7 +996,7 @@ (def (inheritance_modifier$ im) (-> Inheritance JVM_Code) - (case im + (when im {#FinalI} "final" {#AbstractI} "abstract" {#DefaultI} "default")) @@ -1011,13 +1011,13 @@ (def (bound_kind$ kind) (-> BoundKind JVM_Code) - (case kind + (when kind {#UpperBound} "<" {#LowerBound} ">")) (def (generic_type$ gtype) (-> GenericType JVM_Code) - (case gtype + (when gtype {#GenericTypeVar name} name @@ -1061,14 +1061,14 @@ (def (state_modifier$ sm) (-> State JVM_Code) - (case sm + (when sm {#VolatileS} "volatile" {#FinalS} "final" {#DefaultS} "default")) (def (field_decl$ [[name pm anns] field]) (-> [Member_Declaration FieldDecl] JVM_Code) - (case field + (when field {#ConstantField class value} (with_parens (spaced (list "constant" name @@ -1099,7 +1099,7 @@ (def (method_def$ replacer super_class [[name pm anns] method_def]) (-> (-> Code Code) Super_Class_Decl [Member_Declaration Method_Definition] JVM_Code) - (case method_def + (when method_def {#ConstructorMethod strict_fp? type_vars arg_decls constructor_args body exs} (with_parens (spaced (list "init" @@ -1280,7 +1280,7 @@ (def .public !!! (syntax (_ [expr .any]) (with_symbols [g!value] - (in (list (` (.case (, expr) + (in (list (` (.when (, expr) {.#Some (, g!value)} (, g!value) @@ -1298,7 +1298,7 @@ {.#Some (.as (, class_type) (, g!unchecked))} {.#None}))] - (case unchecked + (when unchecked {.#Some unchecked} (in (list (` (.is (, check_type) (let [(, g!unchecked) (, unchecked)] @@ -1335,12 +1335,12 @@ (def (member_type_vars class_tvars member) (-> (List Type_Parameter) Import_Member_Declaration (List Type_Parameter)) - (case member + (when member {#ConstructorDecl [commons _]} (list#composite class_tvars (the #import_member_tvars commons)) {#MethodDecl [commons _]} - (case (the #import_member_kind commons) + (when (the #import_member_kind commons) {#StaticIMK} (the #import_member_tvars commons) @@ -1352,7 +1352,7 @@ (def (member_def_arg_bindings type_params class member) (-> (List Type_Parameter) Class_Declaration Import_Member_Declaration (Meta [(List [Bit Code]) (List Text) (List Code)])) - (case member + (when member (^.or {#ConstructorDecl [commons _]} {#MethodDecl [commons _]}) (let [(open "[0]") commons] (do [! meta.monad] @@ -1379,7 +1379,7 @@ (def (decorate_return_maybe class member return_term) (-> Class_Declaration Import_Member_Declaration Code Code) - (case member + (when member (^.or {#ConstructorDecl [commons _]} {#MethodDecl [commons _]}) (if (the #import_member_maybe? commons) (` (??? (, return_term))) @@ -1398,7 +1398,7 @@ (with_template [ ] [(def ( member return_term) (-> Import_Member_Declaration Code Code) - (case member + (when member (^.or {#ConstructorDecl [commons _]} {#MethodDecl [commons _]}) (if (the commons) @@ -1413,7 +1413,7 @@ (def (free_type_param? [name bounds]) (-> Type_Parameter Bit) - (case bounds + (when bounds {.#End} true @@ -1427,7 +1427,7 @@ (with_template [ ] [(def ( mode [class expression]) (-> Primitive_Mode [Text Code] Code) - (case mode + (when mode {#ManualPrM} expression @@ -1471,12 +1471,12 @@ all_params (|> (member_type_vars class_tvars member) (list.only free_type_param?) (list#each lux_type_parameter))] - (case member + (when member {#EnumDecl enum_members} (macro.with_symbols [g!_] (do [! meta.monad] [.let [enum_type (.is Code - (case class_tvars + (when class_tvars {.#End} (` (Primitive (, (code.text full_name)))) @@ -1513,13 +1513,13 @@ (open "[0]") commons (open "[0]") method [jvm_op object_ast] (.is [Text (List Code)] - (case #import_member_kind + (when #import_member_kind {#StaticIMK} ["invokestatic" (list)] {#VirtualIMK} - (case kind + (when kind {#Class} ["invokevirtual" (list g!obj)] @@ -1621,7 +1621,7 @@ (def (class_kind [class_name _]) (-> Class_Declaration (Meta Class_Kind)) (let [class_name (..safe class_name)] - (case (..load_class class_name) + (when (..load_class class_name) {try.#Success class} (at meta.monad in (if (interface? class) {#Interface} @@ -1645,7 +1645,7 @@ (def .public array (syntax (_ [type (..generic_type^ (list)) size .any]) - (case type + (when type (^.with_template [ ] [{#GenericClass (list)} (in (list (` ( (, size)))))]) @@ -1669,12 +1669,12 @@ (-> Type (Meta Text)) (if (type#= Any type) (at meta.monad in "java.lang.Object") - (case type + (when type {.#Primitive name params} (at meta.monad in name) {.#Apply A F} - (case (type.applied (list A) F) + (when (type.applied (list A) F) {.#None} (meta.failure (format "Cannot apply type: " (type.format F) " to " (type.format A))) @@ -1690,12 +1690,12 @@ (def .public read! (syntax (_ [idx .any array .any]) - (case array + (when array [_ {.#Symbol array_name}] (do meta.monad [array_type (meta.type array_name) array_jvm_type (type_class_name array_type)] - (case array_jvm_type + (when array_jvm_type (^.with_template [ ] [ (in (list (` ( (, array) (, idx)))))]) @@ -1720,12 +1720,12 @@ (syntax (_ [idx .any value .any array .any]) - (case array + (when array [_ {.#Symbol array_name}] (do meta.monad [array_type (meta.type array_name) array_jvm_type (type_class_name array_type)] - (case array_jvm_type + (when array_jvm_type (^.with_template [ ] [ (in (list (` ( (, array) (, idx) (, value)))))]) diff --git a/stdlib/source/library/lux/ffi.php.lux b/stdlib/source/library/lux/ffi.php.lux index d891daf44..1eea0f3a0 100644 --- a/stdlib/source/library/lux/ffi.php.lux +++ b/stdlib/source/library/lux/ffi.php.lux @@ -147,7 +147,7 @@ (def (with_null g!temp [nullable? input]) (-> Code [Bit Code] Code) (if nullable? - (` (case (, input) + (` (when (, input) {.#Some (, g!temp)} (, g!temp) @@ -188,7 +188,7 @@ (def .public try (syntax (_ [expression .any]) - ... {.#doc (example (case (try (risky_computation input)) + ... {.#doc (example (when (try (risky_computation input)) ... {.#Right success} ... (do_something success) @@ -240,7 +240,7 @@ (def .public import (syntax (_ [import ..import]) (with_symbols [g!temp] - (case import + (when import {#Class [class alias format members]} (with_symbols [g!object] (let [qualify (is (-> Text Code) @@ -254,7 +254,7 @@ (in (list.partial (` (type (, g!type) (..Object (Primitive (, (code.text class)))))) (list#each (function (_ member) - (case member + (when member {#Field [static? field alias fieldT]} (let [g!field (qualify (maybe.else field alias))] (if static? @@ -271,7 +271,7 @@ (as (..Object .Any) (, g!object))))))))))) {#Method method} - (case method + (when method {#Static [method alias inputsT io? try? outputT]} (..make_function (qualify (maybe.else method alias)) g!temp diff --git a/stdlib/source/library/lux/ffi.scm.lux b/stdlib/source/library/lux/ffi.scm.lux index b7ed29d92..434926adc 100644 --- a/stdlib/source/library/lux/ffi.scm.lux +++ b/stdlib/source/library/lux/ffi.scm.lux @@ -119,7 +119,7 @@ (def (with_nil g!temp [nilable? input]) (-> Code [Bit Code] Code) (if nilable? - (` (case (, input) + (` (when (, input) {.#Some (, g!temp)} (, g!temp) @@ -153,7 +153,7 @@ (def .public try (syntax (_ [expression .any]) - ... {.#doc (example (case (try (risky_computation input)) + ... {.#doc (example (when (try (risky_computation input)) ... {.#Right success} ... (do_something success) @@ -205,7 +205,7 @@ (def .public import (syntax (_ [import ..import]) (with_symbols [g!temp] - (case import + (when import {#Function [name alias inputsT io? try? outputT]} (let [imported (` ("scheme constant" (, (code.text name))))] (in (list (..make_function (code.local (maybe.else name alias)) diff --git a/stdlib/source/library/lux/ffi/export.jvm.lux b/stdlib/source/library/lux/ffi/export.jvm.lux index ddd8f9d50..9c16d04a4 100644 --- a/stdlib/source/library/lux/ffi/export.jvm.lux +++ b/stdlib/source/library/lux/ffi/export.jvm.lux @@ -70,7 +70,7 @@ exports (<>.many ..exportP)]) (let [initialization (is (List (API Constant)) (list.all (.function (_ it) - (case it + (when it {#Constant it} {.#Some it} @@ -79,7 +79,7 @@ exports))] (in (list (` (//.class "final" (, (code.local api)) (,* (list#each (.function (_ it) - (case it + (when it {#Constant [name type term]} (` ("public" "final" "static" (, (code.local name)) (, type))) diff --git a/stdlib/source/library/lux/ffi/export.rb.lux b/stdlib/source/library/lux/ffi/export.rb.lux index 62fa2b691..614cd7b45 100644 --- a/stdlib/source/library/lux/ffi/export.rb.lux +++ b/stdlib/source/library/lux/ffi/export.rb.lux @@ -114,7 +114,7 @@ .let [[:input:/* :output:] (type.flat_function type) code (if global? (/.set (list (/.manual name)) term) - (case :input:/* + (when :input:/* {.#End} (/.function (/.manual name) (list) (/.return term)) @@ -136,7 +136,7 @@ (monad.each ! ..definition))) (at ! conjoint) (at ! each (list#each (function (_ [name term]) - (` ( (,* (case name + (` ( (,* (when name {#Method name} (list (code.bit false) (code.text name)) diff --git a/stdlib/source/library/lux/math.lux b/stdlib/source/library/lux/math.lux index 486c7221a..0d470214a 100644 --- a/stdlib/source/library/lux/math.lux +++ b/stdlib/source/library/lux/math.lux @@ -47,7 +47,7 @@ (def (composite phase archive <+> last prevs) (-> Phase Archive Code Analysis (List Analysis) (Operation Analysis)) - (case <+> + (when <+> [_ {.#Text $}] (phase#in (list#mix (function (_ left right) {analysis.#Extension $ (list left right)}) @@ -81,7 +81,7 @@ operands) _ (type.inference :it:) :it: (type.check (check.identity (list) $it))] - (case (list.reversed operands) + (when (list.reversed operands) (list single) (in single) diff --git a/stdlib/source/library/lux/math/infix.lux b/stdlib/source/library/lux/math/infix.lux index 6716f43b2..871f9c7f4 100644 --- a/stdlib/source/library/lux/math/infix.lux +++ b/stdlib/source/library/lux/math/infix.lux @@ -58,7 +58,7 @@ (def (prefix infix) (-> Infix Code) - (case infix + (when infix {#Const value} value diff --git a/stdlib/source/library/lux/math/modular.lux b/stdlib/source/library/lux/math/modular.lux index 87f575f54..3899e9a55 100644 --- a/stdlib/source/library/lux/math/modular.lux +++ b/stdlib/source/library/lux/math/modular.lux @@ -134,7 +134,7 @@ (All (_ %) (-> (Mod %) (Maybe (Mod %)))) (let [[modulus value] (representation modular) [[vk mk] gcd] (i.extended_gcd value (//.divisor modulus))] - (case gcd + (when gcd +1 {.#Some (..modular modulus vk)} _ {.#None}))) ) diff --git a/stdlib/source/library/lux/math/number.lux b/stdlib/source/library/lux/math/number.lux index 8e1233bf3..b31167dc9 100644 --- a/stdlib/source/library/lux/math/number.lux +++ b/stdlib/source/library/lux/math/number.lux @@ -21,7 +21,7 @@ (def (separator_prefixed? number) (-> Text Bit) - (case ("lux text index" 0 ..separator number) + (when ("lux text index" 0 ..separator number) {.#Some 0} true @@ -35,12 +35,12 @@ (with_template [ ] [(def .public (macro (_ tokens state) - (case tokens + (when tokens {.#Item [meta {.#Text repr'}] {.#End}} (if (..separator_prefixed? repr') {try.#Failure } (let [repr (..without_separators repr')] - (case (at decoded repr) + (when (at decoded repr) {try.#Success value} {try.#Success [state (list [meta {.#Nat value}])]} diff --git a/stdlib/source/library/lux/math/number/complex.lux b/stdlib/source/library/lux/math/number/complex.lux index 8392c9a57..c862a952e 100644 --- a/stdlib/source/library/lux/math/number/complex.lux +++ b/stdlib/source/library/lux/math/number/complex.lux @@ -288,7 +288,7 @@ (def .public (roots nth input) (-> Nat Complex (List Complex)) - (case nth + (when nth 0 (list) _ (let [r_nth (|> nth .int int.frac) nth_root_of_abs (|> input ..abs (f.pow (f./ r_nth +1.0))) diff --git a/stdlib/source/library/lux/math/number/frac.lux b/stdlib/source/library/lux/math/number/frac.lux index 05811c9cc..1cbe2d535 100644 --- a/stdlib/source/library/lux/math/number/frac.lux +++ b/stdlib/source/library/lux/math/number/frac.lux @@ -603,7 +603,7 @@ (Codec Text Frac) (implementation (def (encoded x) - (case x + (when x -0.0 (let [output ("lux f64 encode" x)] (if (text.starts_with? "-" output) output @@ -613,7 +613,7 @@ ("lux text concat" "+" ("lux f64 encode" x))))) (def (decoded input) - (case ("lux f64 decode" input) + (when ("lux f64 decode" input) {.#Some value} {try.#Success value} @@ -715,7 +715,7 @@ (def .public (of_bits it) (-> I64 Frac) - (case [(is Nat (..exponent it)) + (when [(is Nat (..exponent it)) (is Nat (..mantissa it)) (is Nat (..sign it))] [..special_exponent_bits 0 0] @@ -754,7 +754,7 @@ (`` (def (representation_exponent codec representation) (-> (Codec Text Nat) Text (Try [Text Int])) - (case [("lux text index" 0 "e+" representation) + (when [("lux text index" 0 "e+" representation) ("lux text index" 0 "E+" representation) ("lux text index" 0 "e-" representation) ("lux text index" 0 "E-" representation)] @@ -788,7 +788,7 @@ exponent (//int.- (.int ..double_bias) (..exponent bits)) sign (..sign bits)] (all "lux text concat" - (case (.nat sign) + (when (.nat sign) 1 "-" 0 "+" _ (undefined)) @@ -802,7 +802,7 @@ (if (or negative? positive?) (do [! try.monad] [[mantissa exponent] (..representation_exponent representation) - [whole decimal] (case ("lux text index" 0 "." mantissa) + [whole decimal] (when ("lux text index" 0 "." mantissa) {.#Some split_index} (do ! [.let [after_offset (++ split_index) @@ -816,7 +816,7 @@ {.#None} {try.#Failure ("lux text concat" representation)}) .let [whole ("lux text clip" 1 (-- ("lux text size" whole)) whole)] - mantissa (at decoded (case decimal + mantissa (at decoded (when decimal 0 whole _ ("lux text concat" whole (at encoded decimal)))) .let [sign (if negative? 1 0)]] diff --git a/stdlib/source/library/lux/math/number/i16.lux b/stdlib/source/library/lux/math/number/i16.lux index b83bf1f72..53c71f68f 100644 --- a/stdlib/source/library/lux/math/number/i16.lux +++ b/stdlib/source/library/lux/math/number/i16.lux @@ -16,7 +16,7 @@ (def .public I16 Type ... TODO: Switch to the cleaner approach ASAP. - (case (type_of ..sub) + (when (type_of ..sub) {.#Apply :size: :sub:} (type_literal (I64 :size:)) diff --git a/stdlib/source/library/lux/math/number/i32.lux b/stdlib/source/library/lux/math/number/i32.lux index 4423f3098..3d7acc842 100644 --- a/stdlib/source/library/lux/math/number/i32.lux +++ b/stdlib/source/library/lux/math/number/i32.lux @@ -18,7 +18,7 @@ (def .public I32 Type ... TODO: Switch to the cleaner approach ASAP. - (case (type_of ..sub) + (when (type_of ..sub) {.#Apply :size: :sub:} (type_literal (I64 :size:)) diff --git a/stdlib/source/library/lux/math/number/i64.lux b/stdlib/source/library/lux/math/number/i64.lux index d476bc4ff..9a1077f88 100644 --- a/stdlib/source/library/lux/math/number/i64.lux +++ b/stdlib/source/library/lux/math/number/i64.lux @@ -60,9 +60,9 @@ (def .public (mask amount_of_bits) (-> Nat Mask) - (case amount_of_bits + (when amount_of_bits 0 ..false - bits (case (n.% ..width bits) + bits (when (n.% ..width bits) 0 ..true bits (|> 1 .i64 (..left_shifted (n.% ..width bits)) .--)))) @@ -205,7 +205,7 @@ (..or (|> value (..and ..sign) (..right_shifted sign_shift)) (|> value (..and mantissa)))) (def (wide value) - (.i64 (case (.nat (..and sign value)) + (.i64 (when (.nat (..and sign value)) 0 value _ (..or co_mantissa value))))))}) {.#None})) diff --git a/stdlib/source/library/lux/math/number/i8.lux b/stdlib/source/library/lux/math/number/i8.lux index 49ccad042..d4ac05aaf 100644 --- a/stdlib/source/library/lux/math/number/i8.lux +++ b/stdlib/source/library/lux/math/number/i8.lux @@ -16,7 +16,7 @@ (def .public I8 Type ... TODO: Switch to the cleaner approach ASAP. - (case (type_of ..sub) + (when (type_of ..sub) {.#Apply :size: :sub:} (type_literal (I64 :size:)) diff --git a/stdlib/source/library/lux/math/number/int.lux b/stdlib/source/library/lux/math/number/int.lux index 2dfb5e7b8..c51ed91bd 100644 --- a/stdlib/source/library/lux/math/number/int.lux +++ b/stdlib/source/library/lux/math/number/int.lux @@ -122,7 +122,7 @@ ... https://en.wikipedia.org/wiki/Greatest_common_divisor (def .public (gcd a b) (-> Int Int Int) - (case b + (when b +0 a _ (gcd b (..% b a)))) @@ -136,7 +136,7 @@ (loop (again [x +1 x1 +0 y +0 y1 +1 a1 a b1 b]) - (case b1 + (when b1 +0 [[x y] a1] _ (let [q (/ b1 a1)] (again x1 (- (* q x1) x) @@ -146,7 +146,7 @@ ... https://en.wikipedia.org/wiki/Least_common_multiple (`` (def .public (lcm a b) (-> Int Int Int) - (case [a b] + (when [a b] (,, (with_template [] [ +0] @@ -221,7 +221,7 @@ (def (decoded repr) (let [input_size ("lux text size" repr)] (if (//nat.> 1 input_size) - (case ("lux text clip" 0 1 repr) + (when ("lux text clip" 0 1 repr) ..+sign (|> repr ("lux text clip" 1 (-- input_size)) diff --git a/stdlib/source/library/lux/math/number/nat.lux b/stdlib/source/library/lux/math/number/nat.lux index cef20dca2..f5fd924d5 100644 --- a/stdlib/source/library/lux/math/number/nat.lux +++ b/stdlib/source/library/lux/math/number/nat.lux @@ -111,7 +111,7 @@ (def .public (gcd a b) (-> Nat Nat Nat) - (case b + (when b 0 a _ (gcd b (..% b a)))) @@ -121,7 +121,7 @@ (`` (def .public (lcm a b) (-> Nat Nat Nat) - (case [a b] + (when [a b] (,, (with_template [] [ 0] @@ -184,21 +184,21 @@ (def (binary_character value) (-> Nat Text) - (case value + (when value 0 "0" 1 "1" _ (undefined))) (def (binary_value digit) (-> Nat (Maybe Nat)) - (case digit + (when digit (char "0") {.#Some 0} (char "1") {.#Some 1} _ {.#None})) (def (octal_character value) (-> Nat Text) - (case value + (when value 0 "0" 1 "1" 2 "2" @@ -211,7 +211,7 @@ (def (octal_value digit) (-> Nat (Maybe Nat)) - (case digit + (when digit (char "0") {.#Some 0} (char "1") {.#Some 1} (char "2") {.#Some 2} @@ -224,7 +224,7 @@ (def (decimal_character value) (-> Nat Text) - (case value + (when value 0 "0" 1 "1" 2 "2" @@ -239,7 +239,7 @@ (def (decimal_value digit) (-> Nat (Maybe Nat)) - (case digit + (when digit (char "0") {.#Some 0} (char "1") {.#Some 1} (char "2") {.#Some 2} @@ -254,7 +254,7 @@ (def (hexadecimal_character value) (-> Nat Text) - (case value + (when value 0 "0" 1 "1" 2 "2" @@ -275,7 +275,7 @@ (`` (def (hexadecimal_value digit) (-> Nat (Maybe Nat)) - (case digit + (when digit (,, (with_template [ ] [(char ) {.#Some }] @@ -308,7 +308,7 @@ (let [output' ("lux text concat" ( ("lux i64 and" mask input)) output)] - (case (is Nat ("lux i64 right-shift" input)) + (when (is Nat ("lux i64 right-shift" input)) 0 output' @@ -321,7 +321,7 @@ (loop (again [idx 0 output 0]) (if (..< input_size idx) - (case ( ("lux text char" idx repr)) + (when ( ("lux text char" idx repr)) {.#Some digit_value} (again (++ idx) (|> output @@ -346,7 +346,7 @@ output ""]) (let [digit (decimal_character (..% 10 input)) output' ("lux text concat" digit output)] - (case (../ 10 input) + (when (../ 10 input) 0 output' @@ -360,7 +360,7 @@ (loop (again [idx 0 output 0]) (if (..< input_size idx) - (case (decimal_value ("lux text char" idx repr)) + (when (decimal_value ("lux text char" idx repr)) {.#None} diff --git a/stdlib/source/library/lux/math/number/ratio.lux b/stdlib/source/library/lux/math/number/ratio.lux index b81667def..2974eae8b 100644 --- a/stdlib/source/library/lux/math/number/ratio.lux +++ b/stdlib/source/library/lux/math/number/ratio.lux @@ -30,7 +30,7 @@ (def .public (nat value) (-> Ratio (Maybe Nat)) - (case (the #denominator value) + (when (the #denominator value) 1 {.#Some (the #numerator value)} _ {.#None})) @@ -139,7 +139,7 @@ ..separator (n#encoded _#denominator))) (def (decoded input) - (case (text.split_by ..separator input) + (when (text.split_by ..separator input) {.#Some [num denom]} (do try.monad [numerator (n#decoded num) diff --git a/stdlib/source/library/lux/math/number/rev.lux b/stdlib/source/library/lux/math/number/rev.lux index 1d164f539..a1b8e14ed 100644 --- a/stdlib/source/library/lux/math/number/rev.lux +++ b/stdlib/source/library/lux/math/number/rev.lux @@ -127,7 +127,7 @@ (with_expansions [ 1] (def .public (reciprocal numerator) (-> Nat Rev) - (.rev (case (is Nat ("lux i64 and" numerator)) + (.rev (when (is Nat ("lux i64 and" numerator)) 0 (..even_reciprocal numerator) _ (..odd_reciprocal numerator)))) @@ -135,7 +135,7 @@ (-> Rev Rev Rev) (if ("lux i64 =" +0 param) (panic! "Cannot divide Rev by zero!") - (let [reciprocal (case (is Nat ("lux i64 and" param)) + (let [reciprocal (when (is Nat ("lux i64 and" param)) 0 (..even_reciprocal (.nat param)) _ (..odd_reciprocal (.nat param)))] (.rev (//nat.* reciprocal (.nat subject))))))) @@ -230,7 +230,7 @@ (def (encoded value) (let [raw_output (at encoded (.nat value)) max_num_chars (//nat.+ (//nat./ //i64.width) - (case (//nat.% //i64.width) + (when (//nat.% //i64.width) 0 0 _ 1)) raw_size ("lux text size" raw_output) @@ -248,9 +248,9 @@ (def (decoded repr) (let [repr_size ("lux text size" repr)] (if (//nat.> 1 repr_size) - (case ("lux text char" 0 repr) + (when ("lux text char" 0 repr) (char ".") - (case (at decoded (..decimals repr)) + (when (at decoded (..decimals repr)) {try.#Success output} {try.#Success (.rev output)} @@ -359,7 +359,7 @@ (loop (again [idx 0 output (..digits [])]) (if (//nat.< length idx) - (case ("lux text index" 0 ("lux text clip" idx 1 input) "0123456789") + (when ("lux text index" 0 ("lux text clip" idx 1 input) "0123456789") {.#None} {.#None} @@ -403,7 +403,7 @@ (Codec Text Rev) (implementation (def (encoded input) - (case (.nat input) + (when (.nat input) 0 ".0" @@ -422,7 +422,7 @@ digits))))))) (def (decoded input) - (let [dotted? (case ("lux text index" 0 "." input) + (let [dotted? (when ("lux text index" 0 "." input) {.#Some 0} true @@ -432,7 +432,7 @@ "lux text size" (//nat.<= (++ //i64.width)))] (if (and dotted? within_limits?) - (case (|> input ..decimals ..text_digits) + (when (|> input ..decimals ..text_digits) {.#Some digits} (loop (again [digits digits idx 0 diff --git a/stdlib/source/library/lux/math/random.lux b/stdlib/source/library/lux/math/random.lux index d482c72b3..3d7b33581 100644 --- a/stdlib/source/library/lux/math/random.lux +++ b/stdlib/source/library/lux/math/random.lux @@ -92,7 +92,7 @@ (-> (-> a (Maybe b)) (Random a) (Random b))) (do ..monad [sample random] - (case (check sample) + (when (check sample) {.#Some output} (in output) @@ -103,7 +103,7 @@ (All (_ t r) (-> (Refiner t r) (Random t) (Random (Refined t r)))) (do ..monad [sample gen] - (case (refiner sample) + (when (refiner sample) {.#Some refined} (in refined) diff --git a/stdlib/source/library/lux/meta.lux b/stdlib/source/library/lux/meta.lux index c2123fa99..5cb1d3894 100644 --- a/stdlib/source/library/lux/meta.lux +++ b/stdlib/source/library/lux/meta.lux @@ -31,7 +31,7 @@ (implementation (def (each f fa) (function (_ lux) - (case (fa lux) + (when (fa lux) {try.#Success [lux' a]} {try.#Success [lux' (f a)]} @@ -45,9 +45,9 @@ (def (on fa ff) (function (_ lux) - (case (ff lux) + (when (ff lux) {try.#Success [lux' f]} - (case (fa lux') + (when (fa lux') {try.#Success [lux'' a]} {try.#Success [lux'' (f a)]} @@ -68,7 +68,7 @@ (def (conjoint mma) (function (_ lux) - (case (mma lux) + (when (mma lux) {try.#Success [lux' ma]} (ma lux') @@ -81,7 +81,7 @@ (def .public (result lux action) (All (_ a) (-> Lux (Meta a) (Try a))) - (case (action lux) + (when (action lux) {try.#Success [_ output]} {try.#Success output} @@ -91,7 +91,7 @@ (def .public (either left right) (All (_ a) (-> (Meta a) (Meta a) (Meta a))) (function (_ lux) - (case (left lux) + (when (left lux) {try.#Success [lux' output]} {try.#Success [lux' output]} @@ -114,7 +114,7 @@ (def .public (module name) (-> Text (Meta Module)) (function (_ lux) - (case (property.value name (the .#modules lux)) + (when (property.value name (the .#modules lux)) {.#Some module} {try.#Success [lux module]} @@ -124,7 +124,7 @@ (def .public current_module_name (Meta Text) (function (_ lux) - (case (the .#current_module lux) + (when (the .#current_module lux) {.#Some current_module} {try.#Success [lux current_module]} @@ -140,7 +140,7 @@ (def (macro_type? type) (-> Type Bit) - (case type + (when type {.#Named [.prelude "Macro"] {.#Primitive "#Macro" {.#End}}} true @@ -150,7 +150,7 @@ (def .public (normal name) (-> Symbol (Meta Symbol)) - (case name + (when name ["" name] (do ..monad [module_name ..current_module_name] @@ -166,7 +166,7 @@ (is (Meta (Maybe Macro)) (function (_ lux) {try.#Success [lux - (case (..current_module_name lux) + (when (..current_module_name lux) {try.#Success [_ this_module]} (let [modules (the .#modules lux)] (loop (again [module module @@ -178,7 +178,7 @@ (is Module) (the .#definitions) (property.value name)))] - (case definition + (when definition {.#Alias [r_module r_name]} (again r_module r_name) @@ -208,7 +208,7 @@ (def .public (module_exists? module) (-> Text (Meta Bit)) (function (_ lux) - {try.#Success [lux (case (property.value module (the .#modules lux)) + {try.#Success [lux (when (property.value module (the .#modules lux)) {.#Some _} true @@ -218,13 +218,13 @@ (def (on_either f x1 x2) (All (_ a b) (-> (-> a (Maybe b)) a a (Maybe b))) - (case (f x1) + (when (f x1) {.#None} (f x2) {.#Some y} {.#Some y})) (def (type_variable idx bindings) (-> Nat (List [Nat (Maybe Type)]) (Maybe Type)) - (case bindings + (when bindings {.#End} {.#None} @@ -235,10 +235,10 @@ (`` (def (clean_type type) (-> Type (Meta Type)) - (case type + (when type {.#Var var} (function (_ lux) - (case (|> lux + (when (|> lux (the [.#type_context .#var_bindings]) (type_variable var)) (,, (with_template [] @@ -260,7 +260,7 @@ (function (_ lux) (let [test (is (-> [Text [Type Any]] Bit) (|>> product.left (text#= name)))] - (case (do maybe.monad + (when (do maybe.monad [scope (list.example (function (_ env) (or (list.any? test (is (List [Text [Type Any]]) (the [.#locals .#mappings] env))) @@ -301,7 +301,7 @@ [name (..normal name) .let [[normal_module normal_short] name]] (function (_ lux) - (case (is (Maybe Global) + (when (is (Maybe Global) (do maybe.monad [(open "[0]") (|> lux (the .#modules) @@ -319,7 +319,7 @@ {try.#Failure (all text#composite "Unknown definition: " (symbol#encoded name) text.new_line " Current module: " current_module text.new_line - (case (property.value current_module (the .#modules lux)) + (when (property.value current_module (the .#modules lux)) {.#Some this_module} (let [candidates (|> lux (the .#modules) @@ -327,7 +327,7 @@ (|> module (the .#definitions) (list.all (function (_ [def_name global]) - (`` (case global + (`` (when global (,, (with_template [] [ (if (and exported? @@ -370,7 +370,7 @@ (-> Symbol (Meta Definition)) (do ..monad [definition (..definition name)] - (case definition + (when definition {.#Definition definition} (let [[exported? def_type def_value] definition] (if exported? @@ -401,7 +401,7 @@ (-> Symbol (Meta Type)) (do ..monad [definition (definition name)] - (case definition + (when definition {.#Alias de_aliased} (definition_type de_aliased) @@ -423,7 +423,7 @@ (def .public (type name) (-> Symbol (Meta Type)) - (case name + (when name ["" _name] (either (var_type _name) (definition_type name)) @@ -435,7 +435,7 @@ (-> Symbol (Meta Type)) (do ..monad [definition (definition name)] - (case definition + (when definition {.#Alias de_aliased} (type_definition de_aliased) @@ -460,7 +460,7 @@ (def .public (globals module) (-> Text (Meta (List [Text Global]))) (function (_ lux) - (case (property.value module (the .#modules lux)) + (when (property.value module (the .#modules lux)) {.#Some module} {try.#Success [lux (the .#definitions module)]} @@ -471,7 +471,7 @@ (-> Text (Meta (List [Text Definition]))) (at ..monad each (list.all (function (_ [name global]) - (case global + (when global {.#Alias de_aliased} {.#None} @@ -511,9 +511,9 @@ (do ..monad [.let [[module_name name] type_name] module (..module module_name)] - (case (property.value name (the .#definitions module)) + (when (property.value name (the .#definitions module)) {.#Some {.#Type [exported? type labels]}} - (case labels + (when labels (,, (with_template [] [ (in {.#Some (list#each (|>> [module_name]) @@ -533,7 +533,7 @@ (def .public expected_type (Meta Type) (function (_ lux) - (case (the .#expected lux) + (when (the .#expected lux) {.#Some type} {try.#Success [lux type]} @@ -565,7 +565,7 @@ [.let [[module name] label_name] =module (..module module) this_module_name ..current_module_name] - (case (property.value name (the .#definitions =module)) + (when (property.value name (the .#definitions =module)) {.#Some { [exported? type group idx]}} (if (or (text#= this_module_name module) exported?) @@ -586,12 +586,12 @@ [=module (..module module) this_module_name ..current_module_name] (in (list.all (function (_ [short global]) - (case global + (when global {.#Type [exported? type labels]} (if (or exported? (text#= this_module_name module)) {.#Some [(list#each (|>> [module]) - (case labels + (when labels {.#Left tags} {.#Item tags} @@ -607,7 +607,7 @@ (def .public locals (Meta (List (List [Text Type]))) (function (_ lux) - (case (list.inits (the .#scopes lux)) + (when (list.inits (the .#scopes lux)) {.#Some scopes} {try.#Success [lux (list#each (|>> (the [.#locals .#mappings]) @@ -622,7 +622,7 @@ (-> Symbol (Meta Symbol)) (do ..monad [constant (..definition def_name)] - (in (case constant + (in (when constant {.#Alias real_def_name} real_def_name @@ -650,7 +650,7 @@ (def .public (lifted result) (All (_ a) (-> (Try a) (Meta a))) - (case result + (when result {try.#Success output} (at ..monad in output) @@ -667,7 +667,7 @@ (def .public (try computation) (All (_ it) (-> (Meta it) (Meta (Try it)))) (function (_ lux) - (case (computation lux) + (when (computation lux) {try.#Success [lux' output]} {try.#Success [lux' {try.#Success output}]} diff --git a/stdlib/source/library/lux/meta/code.lux b/stdlib/source/library/lux/meta/code.lux index 68d5327b1..0bec080e7 100644 --- a/stdlib/source/library/lux/meta/code.lux +++ b/stdlib/source/library/lux/meta/code.lux @@ -62,7 +62,7 @@ (Equivalence Code) (implementation (def (= x y) - (case [x y] + (when [x y] (,, (with_template [ ] [[[_ { x'}] [_ { y'}]] (at = x' y')] @@ -88,7 +88,7 @@ (`` (def .public (format ast) (-> Code Text) - (case ast + (when ast (,, (with_template [ ] [[_ { value}] (at encoded value)] @@ -125,7 +125,7 @@ (-> Code Code Code Code) (if (at ..equivalence = original ast) substitute - (case ast + (when ast (,, (with_template [] [[location { parts}] [location { (list#each (replaced original substitute) parts)}]] diff --git a/stdlib/source/library/lux/meta/compiler/default/init.lux b/stdlib/source/library/lux/meta/compiler/default/init.lux index 019edf1c5..7cf349a43 100644 --- a/stdlib/source/library/lux/meta/compiler/default/init.lux +++ b/stdlib/source/library/lux/meta/compiler/default/init.lux @@ -103,7 +103,7 @@ (def (read source reader) (-> Source Reader (///analysis.Operation [Source Code])) (function (_ [bundle compiler]) - (case (reader source) + (when (reader source) {.#Left [source' error]} {try.#Failure error} @@ -211,7 +211,7 @@ [reader (///declaration.lifted_analysis (..reader module aliases source))] (function (_ state) - (case (///phase.result' state (..iteration' wrapper archive expander reader source pre_payload)) + (when (///phase.result' state (..iteration' wrapper archive expander reader source pre_payload)) {try.#Success [state source&requirements&buffer]} {try.#Success [state {.#Some source&requirements&buffer}]} @@ -266,14 +266,14 @@ (..iteration wrapper archive expander module source buffer ///syntax.no_aliases))]) (do ! [[state ?source&requirements&temporary_payload] iteration] - (case ?source&requirements&temporary_payload + (when ?source&requirements&temporary_payload {.#None} (do ! [[state [analysis_module [final_buffer final_registry]]] (<| (///phase.result' state) (do [! ///phase.monad] [_ (if (text#= program_module module) - (case program_definition + (when program_definition {.#Some program_definition} (///declaration.lifted_generation (define_program! archive program global program_module program_definition)) diff --git a/stdlib/source/library/lux/meta/compiler/default/platform.lux b/stdlib/source/library/lux/meta/compiler/default/platform.lux index b0ce99018..12b6c63f1 100644 --- a/stdlib/source/library/lux/meta/compiler/default/platform.lux +++ b/stdlib/source/library/lux/meta/compiler/default/platform.lux @@ -426,7 +426,7 @@ (monad.mix try.monad (function (_ [extension expected] output) (with_expansions [ (dictionary.has extension expected output)] - (case (dictionary.value extension output) + (when (dictionary.value extension output) {.#None} {try.#Success } @@ -519,7 +519,7 @@ (do ! [[_ dependence] (stm.update (..depend importer module) dependence)] (in dependence)))] - (case (..verify_dependencies importer module dependence) + (when (..verify_dependencies importer module dependence) {try.#Failure error} (in [(async.resolved {try.#Failure error}) {.#None}]) @@ -532,13 +532,13 @@ {.#None}]) (do ! [@pending (stm.read pending)] - (case (dictionary.value module @pending) + (when (dictionary.value module @pending) {.#Some [return signal]} (in [return {.#None}]) {.#None} - (case (if (archive.reserved? archive module) + (when (if (archive.reserved? archive module) (do try.monad [@module (archive.id module archive)] (in [@module archive])) @@ -560,14 +560,14 @@ {try.#Failure error} (in [(async#in {try.#Failure error}) {.#None}])))))))))))) - _ (case signal + _ (when signal {.#None} (in []) {.#Some [context @module resolver]} (do ! [result (compile customs importer import! @module context module) - result (case result + result (when result {try.#Failure error} (in result) @@ -652,7 +652,7 @@ (do [! (try.with async.monad)] [] (if (set.empty? duplicates) - (case new_dependencies + (when new_dependencies {.#End} (in [archive (list)]) @@ -672,7 +672,7 @@ (-> (List ///.Custom) Lux_Importer descriptor.Module (Set descriptor.Module) (List descriptor.Module) Lux_Context Lux_Return)) (do (try.with async.monad) [[archive state/*] (any|after_imports customs import! module duplicates new_dependencies archive)] - (in [archive (case state/* + (in [archive (when state/* {.#End} state @@ -717,9 +717,9 @@ [.let [new_dependencies (the ///.#dependencies compilation) [all_dependencies duplicates] (with_new_dependencies new_dependencies all_dependencies)] [archive _] (any|after_imports customs import! module duplicates new_dependencies archive)] - (case ((the ///.#process compilation) state archive) + (when ((the ///.#process compilation) state archive) {try.#Success [state more|done]} - (case more|done + (when more|done {.#Left more} (let [continue! (sharing [state document object] (is (///.Compilation state document object) @@ -756,9 +756,9 @@ [.let [new_dependencies (the ///.#dependencies compilation) [all_dependencies duplicates] (with_new_dependencies new_dependencies all_dependencies)] [archive state] (lux|after_imports customs import! module duplicates new_dependencies [archive state])] - (case (next_compilation module [archive state] compilation) + (when (next_compilation module [archive state] compilation) {try.#Success [state more|done]} - (case more|done + (when more|done {.#Left more} (let [continue! (sharing [] (is @@ -773,7 +773,7 @@ [_ (let [report (..module_compilation_log module state)] (with_expansions [ (in (debug.log! report))] (for @.js (is (Async (Try Any)) - (case console.default + (when console.default {.#None} @@ -820,13 +820,13 @@ (loop (again [customs (for @.old (as (List (///.Custom Fake_State Fake_Document Fake_Object)) all_customs) all_customs)]) - (case customs + (when customs {.#End} ((..lux_compiler import context platform compilation_sources compiler (compiler input)) all_customs importer import! @module [archive lux_state] module) {.#Item [custom_state custom_key custom_format custom_parser custom_compiler] tail} - (case (custom_compiler input) + (when (custom_compiler input) {try.#Failure _} (again tail) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis.lux index 4a1b68582..7df0d6232 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Tuple Variant Pattern nat int rev case local except) + [lux (.except Tuple Variant Pattern nat int rev when local except) [abstract [equivalence (.only Equivalence)] [hash (.only Hash)] @@ -61,7 +61,7 @@ {#Simple Simple} {#Structure (Complex Analysis)} {#Reference Reference} - {#Case Analysis (Match' Analysis)} + {#When Analysis (Match' Analysis)} {#Function (Environment Analysis) Analysis} {#Apply Analysis Analysis} {#Extension (Extension Analysis)}))) @@ -83,7 +83,7 @@ (Equivalence Analysis) (implementation (def (= reference sample) - (.case [reference sample] + (.when [reference sample] [{#Simple reference} {#Simple sample}] (at /simple.equivalence = reference sample) @@ -93,8 +93,8 @@ [{#Reference reference} {#Reference sample}] (at reference.equivalence = reference sample) - [{#Case [reference_analysis reference_match]} - {#Case [sample_analysis sample_match]}] + [{#When [reference_analysis reference_match]} + {#When [sample_analysis sample_match]}] (and (= reference_analysis sample_analysis) (at (list.equivalence (branch_equivalence =)) = {.#Item reference_match} {.#Item sample_match})) @@ -119,7 +119,7 @@ (template ( content) [{ content}]))] - [case ..#Case] + [when ..#When] ) (def .public unit @@ -166,7 +166,7 @@ (loop (again [abstraction analysis inputs (is (List Analysis) (list))]) - (.case abstraction + (.when abstraction {#Apply input next} (again next {.#Item input inputs}) @@ -200,7 +200,7 @@ (def .public (format analysis) (Format Analysis) - (.case analysis + (.when analysis {#Simple it} (/simple.format it) @@ -210,7 +210,7 @@ {#Reference reference} (reference.format reference) - {#Case analysis match} + {#When analysis match} (%.format "({" (|> {.#Item match} (list#each (function (_ [when then]) @@ -259,7 +259,7 @@ (All (_ a) (-> Source (Operation a) (Operation a))) (function (_ [bundle state]) (let [old_source (the .#source state)] - (.case (action [bundle (has .#source source state)]) + (.when (action [bundle (has .#source source state)]) {try.#Success [[bundle' state'] output]} {try.#Success [[bundle' (has .#source old_source state')] output]} @@ -279,7 +279,7 @@ action (function (_ [bundle state]) (let [old_location (the .#location state)] - (.case (action [bundle (has .#location location state)]) + (.when (action [bundle (has .#location location state)]) {try.#Success [[bundle' state'] output]} {try.#Success [[bundle' (has .#location old_location state')] output]} @@ -300,7 +300,7 @@ (def .public (of_try it) (All (_ a) (-> (Try a) (Operation a))) (function (_ [bundle state]) - (.case it + (.when it {try.#Failure error} {try.#Failure (located (the .#location state) error)} @@ -320,7 +320,7 @@ (def .public (with_exception exception message action) (All (_ e o) (-> (Exception e) e (Operation o) (Operation o))) (function (_ bundle,state) - (.case (exception.with exception message + (.when (exception.with exception message (action bundle,state)) {try.#Failure error} (let [[bundle state] bundle,state] diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/complex.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/complex.lux index 0d00367b9..40d90f729 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/complex.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/complex.lux @@ -53,7 +53,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Complex a)))) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Variant [reference_lefts reference_right? reference_value]} {#Variant [sample_lefts sample_right? sample_value]}] (and (n.= reference_lefts sample_lefts) @@ -73,7 +73,7 @@ (..equivalence (at super equivalence))) (def (hash value) - (case value + (when value {#Variant [lefts right? value]} (all n.* 2 (at n.hash hash lefts) @@ -87,7 +87,7 @@ (def .public (format %it it) (All (_ a) (-> (Format a) (Format (Complex a)))) - (case it + (when it {#Variant [lefts right? it]} (%.format "{" (%.nat lefts) " " (%.bit right?) " " (%it it) "}") diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/coverage.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/coverage.lux index 45097d4a5..3403461fb 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/coverage.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/coverage.lux @@ -73,7 +73,7 @@ (def (alternatives coverage) (-> Coverage (List Coverage)) - (case coverage + (when coverage {#Alt left right} (list.partial left (alternatives right)) @@ -84,7 +84,7 @@ (Equivalence Coverage) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Exhaustive} {#Exhaustive}] true @@ -123,7 +123,7 @@ (def .public (format value) (%.Format Coverage) - (case value + (when value {#Bit it} (%.bit it) @@ -165,7 +165,7 @@ (def .public (coverage pattern) (-> Pattern (Try Coverage)) - (case pattern + (when pattern (^.or {//pattern.#Simple {//simple.#Unit}} {//pattern.#Bind _}) {try.#Success {#Exhaustive}} @@ -190,7 +190,7 @@ ... Tuple patterns can be exhaustive if there is exhaustiveness for all of ... their sub-patterns. {//pattern.#Complex {//complex.#Tuple membersP+}} - (case (list.reversed membersP+) + (when (list.reversed membersP+) (^.or (list) (list _)) (exception.except ..invalid_tuple [(list.size membersP+)]) @@ -202,7 +202,7 @@ (function (_ leftP rightC) (do ! [leftC (coverage leftP)] - (case rightC + (when rightC {#Exhaustive} (in leftC) @@ -249,7 +249,7 @@ (def .public (exhaustive? coverage) (-> Coverage Bit) - (case coverage + (when coverage {#Exhaustive} true @@ -269,7 +269,7 @@ ... There are now 2 alternative paths. )] - (case [addition so_far] + (when [addition so_far] ... 2 bit coverages are exhaustive if they complement one another. [{#Bit sideA} {#Bit sideSF}] (if (xor sideA sideSF) @@ -307,7 +307,7 @@ (do [! try.monad] [casesM (monad.mix ! (function (_ [tagA coverageA] casesSF') - (case (dictionary.value tagA casesSF') + (when (dictionary.value tagA casesSF') {.#Some coverageSF} (do ! [coverageM (composite coverageA coverageSF)] @@ -324,7 +324,7 @@ {#Variant (maybe#composite allA allSF) casesM}))))) [{#Seq leftA rightA} {#Seq leftSF rightSF}] - (case [(/#= leftSF leftA) (/#= rightSF rightA)] + (when [(/#= leftSF leftA) (/#= rightSF rightA)] ... Same prefix [.true .false] (do try.monad @@ -374,14 +374,14 @@ (List Coverage)])) (function (_ coverageA possibilitiesSF) (loop (again [altsSF possibilitiesSF]) - (case altsSF + (when altsSF {.#End} (in [{.#None} (list coverageA)]) {.#Item altSF altsSF'} (do ! [altMSF (composite coverageA altSF)] - (case altMSF + (when altMSF {#Alt _} (do ! [[success altsSF+] (again altsSF')] @@ -393,12 +393,12 @@ possibilitiesSF (alternatives so_far)]) (do ! [[addition' possibilitiesSF'] (fuse_once addition possibilitiesSF)] - (case addition' + (when addition' {.#Some addition'} (again addition' possibilitiesSF') {.#None} - (case (list.reversed possibilitiesSF') + (when (list.reversed possibilitiesSF') {.#Item last prevs} (in (list#mix (function (_ left right) {#Alt left right}) last diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/inference.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/inference.lux index 5bbf38167..d85a576cd 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/inference.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/inference.lux @@ -56,7 +56,7 @@ (def .public (quantified @var @parameter :it:) (-> check.Var Nat Type Type) - (case :it: + (when :it: {.#Primitive name co_variant} {.#Primitive name (list#each (quantified @var @parameter) co_variant)} @@ -95,7 +95,7 @@ ... as a function type, this method of inference should work. (def (general' vars archive analyse inferT args) (-> (List check.Var) Archive Phase Type (List Code) (Operation [Type_Context (List check.Var) Type (List Analysis)])) - (case args + (when args {.#End} (do phase.monad [just_before (/type.check check.context) @@ -103,7 +103,7 @@ (in [just_before vars inferT (list)])) {.#Item argC args'} - (case inferT + (when inferT {.#Named name unnamedT} (general' vars archive analyse unnamedT args) @@ -118,7 +118,7 @@ (general' vars archive analyse (maybe.trusted (type.applied (list :ex:) inferT)) args)) {.#Apply inputT transT} - (case (type.applied (list inputT) transT) + (when (type.applied (list inputT) transT) {.#Some outputT} (general' vars archive analyse outputT args) @@ -143,7 +143,7 @@ {.#Var infer_id} (do phase.monad [?inferT' (/type.check (check.peek infer_id))] - (case ?inferT' + (when ?inferT' {.#Some inferT'} (general' vars archive analyse inferT' args) @@ -159,7 +159,7 @@ (do [! phase.monad] [[just_before vars :inference: terms] (general' (list) archive analyse inferT args)] (in [:inference: terms]) - ... (case vars + ... (when vars ... (list) ... (in [:inference: terms]) @@ -170,7 +170,7 @@ ... [quantifications (monad.mix ! (function (_ @var level) ... (do ! ... [:var: (check.try (check.identity vars @var))] - ... (case :var: + ... (when :var: ... {try.#Success _} ... (in level) @@ -191,7 +191,7 @@ (def (with_recursion @self recursion) (-> Nat Type Type Type) (function (again it) - (case it + (when it (^.or {.#Parameter index} {.#Apply {.#Primitive "" {.#End}} {.#Parameter index}}) @@ -227,7 +227,7 @@ (-> (,, (template.spliced )) Type (Operation Type)) (loop (again [depth 0 it complex]) - (case it + (when it {.#Named name it} (again depth it) @@ -239,7 +239,7 @@ [.#ExQ]) {.#Apply parameter abstraction} - (case (type.applied (list parameter) abstraction) + (when (type.applied (list parameter) abstraction) {.#Some it} (again depth it) @@ -266,7 +266,7 @@ (|> it type.flat_variant (list.after lefts) - (pipe.case + (pipe.when {.#Item [head tail]} (let [case (if right? (type.variant tail) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/macro.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/macro.lux index cf6ede122..b8bf793ec 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/macro.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/macro.lux @@ -37,7 +37,7 @@ (function (_ state) (do try.monad [output (expander macro inputs state)] - (case output + (when output {try.#Failure error} ((meta.failure (exception.error ..expansion_failed [name inputs error])) state) @@ -48,7 +48,7 @@ (-> Expander Symbol Macro (List Code) (Meta Code)) (do meta.monad [expansion (..expansion expander name macro inputs)] - (case expansion + (when expansion (list single) (in single) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/module.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/module.lux index 8284b0301..b7a808dbf 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/module.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/module.lux @@ -43,7 +43,7 @@ already_existing Global]) (exception.report (list ["Definition" (%.symbol name)] - ["Original" (case already_existing + ["Original" (when already_existing {.#Alias alias} (format "alias " (%.symbol alias)) @@ -63,7 +63,7 @@ state Module_State]) (exception.report (list ["Module" module] - ["Desired state" (case state + ["Desired state" (when state {.#Active} "Active" {.#Compiled} "Compiled" {.#Cached} "Cached")]))) @@ -110,7 +110,7 @@ (|> state (the .#modules) (property.value module) - (pipe.case + (pipe.when {.#Some _} true @@ -126,7 +126,7 @@ [self_name meta.current_module_name self meta.current_module] (function (_ state) - (case (property.value name (the .#definitions self)) + (when (property.value name (the .#definitions self)) {.#None} {try.#Success [(revised .#modules (property.has self_name @@ -164,9 +164,9 @@ (-> Text (Operation Any)) (///extension.lifted (function (_ state) - (case (|> state (the .#modules) (property.value module_name)) + (when (|> state (the .#modules) (property.value module_name)) {.#Some module} - (let [active? (case (the .#module_state module) + (let [active? (when (the .#module_state module) {.#Active} true @@ -188,10 +188,10 @@ (-> Text (Operation Bit)) (///extension.lifted (function (_ state) - (case (|> state (the .#modules) (property.value module_name)) + (when (|> state (the .#modules) (property.value module_name)) {.#Some module} {try.#Success [state - (case (the .#module_state module) + (when (the .#module_state module) {} true @@ -211,7 +211,7 @@ (-> Bit (List Label) Bit Type (Operation Any)) (do [! ///.monad] [self_name (///extension.lifted meta.current_module_name) - [type_module type_name] (case type + [type_module type_name] (when type {.#Named type_name _} (in type_name) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/pattern.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/pattern.lux index daf608222..836c7c30d 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/pattern.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/pattern.lux @@ -27,7 +27,7 @@ (Equivalence Pattern) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Simple reference} {#Simple sample}] (at //simple.equivalence = reference sample) @@ -42,7 +42,7 @@ (def .public (format it) (%.Format Pattern) - (case it + (when it {#Simple it} (//simple.format it) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/scope.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/scope.lux index 538874881..c7d17b9cb 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/scope.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/scope.lux @@ -52,7 +52,7 @@ (-> Text Scope (Maybe [Type Variable])) (loop (again [idx 0 mappings (the [.#captured .#mappings] scope)]) - (case mappings + (when mappings {.#Item [_name [_source_type _source_ref]] mappings'} (if (text#= name _name) {.#Some [_source_type {variable.#Foreign idx}]} @@ -68,7 +68,7 @@ (def (reference name scope) (-> Text Scope (Maybe [Type Variable])) - (case (..local name scope) + (when (..local name scope) {.#Some type} {.#Some type} @@ -82,7 +82,7 @@ (let [[inner outer] (|> state (the .#scopes) (list.split_when (|>> (reference? name))))] - (case outer + (when outer {.#End} {.#Right [state {.#None}]} @@ -111,7 +111,7 @@ (def .public (with_local [name type] action) (All (_ a) (-> [Text Type] (Operation a) (Operation a))) (function (_ [bundle state]) - (case (the .#scopes state) + (when (the .#scopes state) {.#Item head tail} (let [old_mappings (the [.#locals .#mappings] head) new_var_id (the [.#locals .#counter] head) @@ -120,10 +120,10 @@ (|>> (revised .#counter ++) (revised .#mappings (property.has name [type new_var_id])))) head)] - (case (phase.result' [bundle (has .#scopes {.#Item new_head tail} state)] + (when (phase.result' [bundle (has .#scopes {.#Item new_head tail} state)] action) {try.#Success [[bundle' state'] output]} - (case (the .#scopes state') + (when (the .#scopes state') {.#Item head' tail'} (let [scopes' {.#Item (has .#locals (the .#locals head) head') tail'}] @@ -152,7 +152,7 @@ (def .public (reset action) (All (_ a) (-> (Operation a) (Operation a))) (function (_ [bundle state]) - (case (action [bundle (has .#scopes (list ..empty) state)]) + (when (action [bundle (has .#scopes (list ..empty) state)]) {try.#Success [[bundle' state'] output]} {try.#Success [[bundle' (has .#scopes (the .#scopes state) state')] output]} @@ -163,9 +163,9 @@ (def .public (with action) (All (_ a) (-> (Operation a) (Operation [Scope a]))) (function (_ [bundle state]) - (case (action [bundle (revised .#scopes (|>> {.#Item ..empty}) state)]) + (when (action [bundle (revised .#scopes (|>> {.#Item ..empty}) state)]) {try.#Success [[bundle' state'] output]} - (case (the .#scopes state') + (when (the .#scopes state') {.#Item head tail} {try.#Success [[bundle' (has .#scopes tail state')] [head output]]} @@ -180,7 +180,7 @@ (Operation Register) (extension.lifted (function (_ state) - (case (the .#scopes state) + (when (the .#scopes state) {.#Item top _} {try.#Success [state (the [.#locals .#counter] top)]} diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/simple.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/simple.lux index 4b092ad00..239bb848c 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/simple.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/simple.lux @@ -31,7 +31,7 @@ (Equivalence Simple) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Unit} {#Unit}] true @@ -50,7 +50,7 @@ (def .public (format it) (Format Simple) - (case it + (when it {#Unit} "[]" diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/type.lux b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/type.lux index b534b616a..85f275a67 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/analysis/type.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/analysis/type.lux @@ -29,7 +29,7 @@ (def .public (check action) (All (_ a) (-> (Check a) (Operation a))) (function (_ (^.let stateE [bundle state])) - (case (action (the .#type_context state)) + (when (action (the .#type_context state)) {try.#Success [context' output]} {try.#Success [[bundle (has .#type_context context' state)] output]} @@ -42,7 +42,7 @@ (def .public (existential? type) (-> Type Bit) - (case type + (when type {.#Primitive actual {.#End}} (text.starts_with? ..prefix actual) @@ -95,7 +95,7 @@ ... _ (monad.each ! (function (_ @new) ... (do ! ... [:new: (check.try (check.identity new_vars @new))] - ... (case :new: + ... (when :new: ... {try.#Success :new:} ... (in :new:) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/generation.lux b/stdlib/source/library/lux/meta/compiler/language/lux/generation.lux index 2e1252dec..1b9dbb961 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/generation.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/generation.lux @@ -125,7 +125,7 @@ (All (_ anchor expression declaration output) ) (function (_ body) (function (_ [bundle state]) - (case (body [bundle (has {.#Some } state)]) + (when (body [bundle (has {.#Some } state)]) {try.#Success [[bundle' state'] output]} {try.#Success [[bundle' (has (the state) state')] output]} @@ -137,7 +137,7 @@ (All (_ anchor expression declaration) (Operation anchor expression declaration )) (function (_ (^.let stateE [bundle state])) - (case (the state) + (when (the state) {.#Some output} {try.#Success [stateE output]} @@ -206,7 +206,7 @@ (All (_ anchor expression declaration) (-> unit.ID [(Maybe unit.ID) expression] (Operation anchor expression declaration Any))) (function (_ (^.let state+ [bundle state])) - (case (at (the #host state) evaluate label code) + (when (at (the #host state) evaluate label code) {try.#Success output} {try.#Success [state+ output]} @@ -217,7 +217,7 @@ (All (_ anchor expression declaration) (-> declaration (Operation anchor expression declaration Any))) (function (_ (^.let state+ [bundle state])) - (case (at (the #host state) execute code) + (when (at (the #host state) execute code) {try.#Success output} {try.#Success [state+ output]} @@ -228,7 +228,7 @@ (All (_ anchor expression declaration) (-> unit.ID (Maybe Text) [(Maybe unit.ID) expression] (Operation anchor expression declaration [Text Any declaration]))) (function (_ (^.let stateE [bundle state])) - (case (at (the #host state) define context custom code) + (when (at (the #host state) define context custom code) {try.#Success output} {try.#Success [stateE output]} @@ -240,7 +240,7 @@ (-> artifact.ID (Maybe Text) declaration (Operation anchor expression declaration Any))) (do [! phase.monad] [?buffer (extension.read (the #buffer))] - (case ?buffer + (when ?buffer {.#Some buffer} ... TODO: Optimize by no longer checking for overwrites... (if (sequence.any? (|>> product.left (n.= artifact_id)) buffer) @@ -286,7 +286,7 @@ (do try.monad [[_module output registry] (archive.find _module archive)] {try.#Success registry}))] - (case (registry.id _name registry) + (when (registry.id _name registry) {.#None} (exception.except ..unknown_definition [name (registry.definitions registry)]) @@ -305,7 +305,7 @@ (do try.monad [[_module output registry] (archive.find _module archive)] {try.#Success registry}))] - (case (registry.find_definition _name registry) + (when (registry.find_definition _name registry) {.#None} (exception.except ..unknown_definition [name (registry.definitions registry)]) @@ -326,7 +326,7 @@ (All (_ anchor expression declaration) (-> Archive (Operation anchor expression declaration unit.ID))) (function (_ (^.let stateE [bundle state])) - (case (the #context state) + (when (the #context state) {.#None} (exception.except ..no_context []) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis.lux index a65940d6b..9ea79eab0 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis.lux @@ -22,7 +22,7 @@ ["[1][0]" simple] ["[1][0]" complex] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" function] ["/[1]" // ["[1][0]" extension] @@ -43,7 +43,7 @@ (def variant_analysis (template (_ analysis archive tag values) ... (-> Phase Archive Symbol (List Code) (Operation Analysis)) - [(case values + [(when values (list value) (/complex.variant analysis tag archive value) @@ -53,19 +53,19 @@ (def sum_analysis (template (_ analysis archive lefts right? values) ... (-> Phase Archive Nat Bit (List Code) (Operation Analysis)) - [(case values + [(when values (list value) (/complex.sum analysis lefts right? archive value) _ (/complex.sum analysis lefts right? archive (code.tuple values)))])) -(def case_analysis +(def when_analysis (template (_ analysis archive input branches code) ... (-> Phase Archive Code (List Code) Code (Operation Analysis)) - [(case (list.pairs branches) + [(when (list.pairs branches) {.#Some branches} - (/case.case analysis branches archive input) + (/when.when analysis branches archive input) {.#None} (//.except ..invalid [code]))])) @@ -76,11 +76,11 @@ [(do [! //.monad] [[functionT functionA] (/type.inferring (analysis archive functionC))] - (case functionA + (when functionA (/.constant def_name) (do ! [?macro (//extension.lifted (meta.macro def_name))] - (case ?macro + (when ?macro {.#Some macro} (do ! [expansion (//extension.lifted (/macro.single_expansion expander def_name macro argsC+))] @@ -99,7 +99,7 @@ ... The location must be set in the state for the sake ... of having useful error messages. (/.with_location location) - (case code + (when code (^.with_template [ ] [[_ { value}] ( value)]) @@ -120,7 +120,7 @@ (..variant_analysis analysis archive tag values) (^.` ({(^.,* branches)} (^., input))) - (..case_analysis analysis archive input branches code) + (..when_analysis analysis archive input branches code) (^.` ([(^., [_ {.#Symbol ["" function_name]}]) (^., [_ {.#Symbol ["" arg_name]}])] (^., body))) (/function.function analysis function_name arg_name archive body) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/case.lux deleted file mode 100644 index 6c637184c..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/case.lux +++ /dev/null @@ -1,364 +0,0 @@ -(.require - [library - [lux (.except Pattern case) - [abstract - ["[0]" monad (.only do)]] - [control - ["[0]" maybe] - ["[0]" try] - ["[0]" exception (.only exception)]] - [data - ["[0]" product] - [text - ["%" \\format (.only format)]] - [collection - ["[0]" list (.use "[1]#[0]" mix monoid monad)]]] - [math - [number - ["n" nat]]] - ["[0]" meta (.only) - ["[0]" code] - [macro - ["^" pattern]] - ["[0]" type (.only) - ["[0]" check (.only Check)]]]]] - ["[0]" / - ["/[1]" // - ["[1][0]" complex] - ["/[1]" // - ["[1][0]" extension] - [// - ["/" analysis (.only Analysis Operation Phase) - ["[1][0]" simple] - ["[1][0]" complex] - ["[1][0]" pattern (.only Pattern)] - ["[1][0]" type] - ["[1][0]" scope] - ["[1][0]" coverage (.only Coverage)]] - [/// - ["[1]" phase]]]]]]) - -(exception .public (mismatch [type Type - pattern Code]) - (exception.report - (list ["Type" (%.type type)] - ["Pattern" (%.code pattern)]))) - -(exception .public (sum_has_no_case [case Nat - type Type]) - (exception.report - (list ["Case" (%.nat case)] - ["Type" (%.type type)]))) - -(exception .public (invalid [it Code]) - (exception.report - (list ["Pattern" (%.code it)]))) - -(exception .public (non_tuple [type Type]) - (exception.report - (list ["Type" (%.type type)]))) - -(exception .public (non_exhaustive [input Code - branches (List [Code Code]) - coverage Coverage]) - (exception.report - (list ["Input" (%.code input)] - ["Branches" (%.code (code.tuple (|> branches - (list#each (function (_ [slot value]) - (list slot value))) - list#conjoint)))] - ["Coverage" (/coverage.format coverage)]))) - -(exception .public empty_branches) - -(def (quantified envs baseT) - (-> (List (List Type)) Type Type) - (.case envs - {.#End} - baseT - - {.#Item head tail} - (quantified tail {.#UnivQ head baseT}))) - -... Type-checking on the input value is done during the analysis of a -... "case" expression, to ensure that the patterns being used make -... sense for the type of the input value. -... Sometimes, that input value is complex, by depending on -... type-variables or quantifications. -... This function makes it easier for "case" analysis to properly -... type-check the input with respect to the patterns. -(def .public (tuple :it:) - (-> Type (Check [(List check.Var) Type])) - (loop (again [envs (is (List (List Type)) - (list)) - :it: :it:]) - (.case :it: - {.#Var id} - (do check.monad - [?:it:' (check.peek id)] - (.case ?:it:' - {.#Some :it:'} - (again envs :it:') - - _ - (check.except ..non_tuple :it:))) - - {.#Named name unnamedT} - (again envs unnamedT) - - {.#UnivQ env unquantifiedT} - (again {.#Item env envs} unquantifiedT) - - {.#ExQ _} - (do check.monad - [[@head :head:] check.var - [tail :tuple:] (again envs (maybe.trusted (type.applied (list :head:) :it:)))] - (in [(list.partial @head tail) :tuple:])) - - {.#Apply _} - (do [! check.monad] - [.let [[:abstraction: :parameters:] (type.flat_application :it:)] - :abstraction: (.case :abstraction: - {.#Var @abstraction} - (do ! - [?:abstraction: (check.peek @abstraction)] - (.case ?:abstraction: - {.#Some :abstraction:} - (in :abstraction:) - - _ - (check.except ..non_tuple :it:))) - - _ - (in :abstraction:))] - (.case (type.applied :parameters: :abstraction:) - {.#Some :it:} - (again envs :it:) - - {.#None} - (check.except ..non_tuple :it:))) - - {.#Product _} - (|> :it: - type.flat_tuple - (list#each (..quantified envs)) - type.tuple - [(list)] - (at check.monad in)) - - _ - (at check.monad in [(list) (..quantified envs :it:)])))) - -(def (simple_pattern_analysis type :input: location output next) - (All (_ a) (-> Type Type Location Pattern (Operation a) (Operation [Pattern a]))) - (/.with_location location - (do ///.monad - [_ (/type.check (check.check :input: type)) - outputA next] - (in [output outputA])))) - -(def (tuple_pattern_analysis pattern_analysis :input: sub_patterns next) - (All (_ a) - (-> (-> (Maybe Nat) Type Code (Operation a) (Operation [Pattern a])) - Type (List Code) (Operation a) (Operation [Pattern a]))) - (do [! ///.monad] - [[@ex_var+ :input:'] (/type.check (..tuple :input:))] - (.case :input:' - {.#Product _} - (let [matches (loop (again [types (type.flat_tuple :input:') - patterns sub_patterns - output (is (List [Type Code]) - {.#End})]) - (.case [types patterns] - [{.#End} {.#End}] - output - - [{.#Item headT {.#End}} {.#Item headP {.#End}}] - {.#Item [headT headP] output} - - [remainingT {.#Item headP {.#End}}] - {.#Item [(type.tuple remainingT) headP] output} - - [{.#Item headT {.#End}} remainingP] - {.#Item [headT (code.tuple remainingP)] output} - - [{.#Item headT tailT} {.#Item headP tailP}] - (again tailT tailP {.#Item [headT headP] output}) - - _ - (undefined)))] - (do ! - [[memberP+ thenA] (list#mix (is (All (_ a) - (-> [Type Code] (Operation [(List Pattern) a]) - (Operation [(List Pattern) a]))) - (function (_ [memberT memberC] then) - (do ! - [[memberP [memberP+ thenA]] ((as (All (_ a) (-> (Maybe Nat) Type Code (Operation a) (Operation [Pattern a]))) - pattern_analysis) - {.#None} memberT memberC then)] - (in [(list.partial memberP memberP+) thenA])))) - (do ! - [nextA next] - (in [(list) nextA])) - matches) - _ (/type.check (monad.each check.monad check.forget! @ex_var+))] - (in [(/pattern.tuple memberP+) - thenA]))) - - _ - (/.except ..mismatch [:input:' (code.tuple sub_patterns)])))) - -... This function handles several concerns at once, but it must be that -... way because those concerns are interleaved when doing -... pattern-matching and they cannot be separated. -... The pattern is analysed in order to get a general feel for what is -... expected of the input value. This, in turn, informs the -... type-checking of the input. -... A kind of "continuation" value is passed around which signifies -... what needs to be done _after_ analysing a pattern. -... In general, this is done to analyse the "body" expression -... associated to a particular pattern _in the context of_ said -... pattern. -... The reason why *context* is important is because patterns may bind -... values to local variables, which may in turn be referenced in the -... body expressions. -... That is why the body must be analysed in the context of the -... pattern, and not separately. -(def (pattern_analysis num_tags :input: pattern next) - (All (_ a) (-> (Maybe Nat) Type Code (Operation a) (Operation [Pattern a]))) - (.case pattern - [location {.#Symbol ["" name]}] - (/.with_location location - (do ///.monad - [outputA (/scope.with_local [name :input:] - next) - idx /scope.next] - (in [{/pattern.#Bind idx} outputA]))) - - (^.with_template [ ] - [[location ] - (simple_pattern_analysis :input: location {/pattern.#Simple } next)]) - ([Bit {.#Bit pattern_value} {/simple.#Bit pattern_value}] - [Nat {.#Nat pattern_value} {/simple.#Nat pattern_value}] - [Int {.#Int pattern_value} {/simple.#Int pattern_value}] - [Rev {.#Rev pattern_value} {/simple.#Rev pattern_value}] - [Frac {.#Frac pattern_value} {/simple.#Frac pattern_value}] - [Text {.#Text pattern_value} {/simple.#Text pattern_value}] - [Any {.#Tuple {.#End}} {/simple.#Unit}]) - - [location {.#Tuple (list singleton)}] - (pattern_analysis {.#None} :input: singleton next) - - [location {.#Tuple sub_patterns}] - (/.with_location location - (do [! ///.monad] - [record (//complex.normal true sub_patterns) - record_size,members,recordT (is (Operation (Maybe [Nat (List Code) Type])) - (.case record - {.#Some record} - (//complex.order true record) - - {.#None} - (in {.#None})))] - (.case record_size,members,recordT - {.#Some [record_size members recordT]} - (do ! - [_ (.case :input: - {.#Var @input} - (/type.check (do check.monad - [? (check.bound? @input)] - (if ? - (in []) - (check.check :input: recordT)))) - - _ - (in []))] - (.case members - (list singleton) - (pattern_analysis {.#None} :input: singleton next) - - _ - (..tuple_pattern_analysis pattern_analysis :input: members next))) - - {.#None} - (..tuple_pattern_analysis pattern_analysis :input: sub_patterns next)))) - - [location {.#Variant (list.partial [_ {.#Nat lefts}] [_ {.#Bit right?}] values)}] - (/.with_location location - (do ///.monad - [[@ex_var+ :input:'] (/type.check (..tuple :input:))] - (.case :input:' - {.#Sum _} - (let [flat_sum (type.flat_variant :input:') - size_sum (list.size flat_sum) - num_cases (maybe.else size_sum num_tags) - idx (/complex.tag right? lefts)] - (.case (list.item idx flat_sum) - (^.multi {.#Some caseT} - (n.< num_cases idx)) - (do ///.monad - [[testP nextA] (if (and (n.> num_cases size_sum) - (n.= (-- num_cases) idx)) - (pattern_analysis {.#None} - (type.variant (list.after (-- num_cases) flat_sum)) - (` [(,* values)]) - next) - (pattern_analysis {.#None} caseT (` [(,* values)]) next)) - _ (/type.check (monad.each check.monad check.forget! @ex_var+))] - (in [(/pattern.variant [lefts right? testP]) - nextA])) - - _ - (/.except ..sum_has_no_case [idx :input:]))) - - {.#UnivQ _} - (do ///.monad - [[ex_id exT] (/type.check check.existential) - it (pattern_analysis num_tags - (maybe.trusted (type.applied (list exT) :input:')) - pattern - next) - _ (/type.check (monad.each check.monad check.forget! @ex_var+))] - (in it)) - - _ - (/.except ..mismatch [:input:' pattern])))) - - [location {.#Variant (list.partial [_ {.#Symbol tag}] values)}] - (/.with_location location - (do ///.monad - [tag (///extension.lifted (meta.normal tag)) - [idx group variantT] (///extension.lifted (meta.tag tag)) - _ (/type.check (check.check :input: variantT)) - .let [[lefts right?] (/complex.choice (list.size group) idx)]] - (pattern_analysis {.#Some (list.size group)} :input: (` {(, (code.nat lefts)) (, (code.bit right?)) (,* values)}) next))) - - _ - (/.except ..invalid [pattern]) - )) - -(def .public (case analyse branches archive inputC) - (-> Phase (List [Code Code]) Phase) - (.case branches - {.#Item [patternH bodyH] branchesT} - (do [! ///.monad] - [[:input: inputA] (<| /type.inferring - (analyse archive inputC)) - outputH (pattern_analysis {.#None} :input: patternH (analyse archive bodyH)) - outputT (monad.each ! - (function (_ [patternT bodyT]) - (pattern_analysis {.#None} :input: patternT (analyse archive bodyT))) - branchesT) - outputHC (|> outputH product.left /coverage.coverage /.of_try) - outputTC (monad.each ! (|>> product.left /coverage.coverage /.of_try) outputT) - _ (.case (monad.mix try.monad /coverage.composite outputHC outputTC) - {try.#Success coverage} - (///.assertion ..non_exhaustive [inputC branches coverage] - (/coverage.exhaustive? coverage)) - - {try.#Failure error} - (/.failure error))] - (in {/.#Case inputA [outputH outputT]})) - - {.#End} - (/.except ..empty_branches []))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/complex.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/complex.lux index ec4a32d05..42d01ad16 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/complex.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/complex.lux @@ -113,7 +113,7 @@ [expectedT (///extension.lifted meta.expected_type) expectedT' (/type.check (check.clean (list) expectedT))] (/.with_exception ..cannot_analyse_sum [expectedT' lefts right? valueC] - (case expectedT + (when expectedT {.#Sum _} (|> (analyse archive valueC) (at ! each (|>> [lefts right?] /.variant)) @@ -129,7 +129,7 @@ {.#Var id} (do ! [?expectedT' (/type.check (check.peek id))] - (case ?expectedT' + (when ?expectedT' {.#Some expectedT'} (<| (/type.expecting expectedT') (again valueC)) @@ -152,11 +152,11 @@ (again valueC)) {.#Apply inputT funT} - (case funT + (when funT {.#Var funT_id} (do ! [?funT' (/type.check (check.peek funT_id))] - (case ?funT' + (when ?funT' {.#Some funT'} (<| (/type.expecting {.#Apply inputT funT'}) (again valueC)) @@ -165,7 +165,7 @@ (/.except ..invalid_variant_type [expectedT lefts right? valueC]))) _ - (case (type.applied (list inputT) funT) + (when (type.applied (list inputT) funT) {.#Some outputT} (<| (/type.expecting outputT) (again valueC)) @@ -184,7 +184,7 @@ .let [case_size (list.size group) [lefts right?] (/complex.choice case_size idx)] expectedT (///extension.lifted meta.expected_type)] - (case expectedT + (when expectedT {.#Var _} (do ! [inferenceT (/inference.variant lefts right? variantT) @@ -202,7 +202,7 @@ (is (Operation (List Analysis))) (loop (again [membersT+ (type.flat_tuple expectedT) membersC+ members]) - (case [membersT+ membersC+] + (when [membersT+ membersC+] [{.#Item memberT {.#End}} {.#Item memberC {.#End}}] (<| (at ! each (|>> list)) (/type.expecting memberT) @@ -231,7 +231,7 @@ (do [! ///.monad] [expectedT (///extension.lifted meta.expected_type)] (/.with_exception ..cannot_analyse_tuple [expectedT membersC] - (case expectedT + (when expectedT {.#Product _} (..typed_product analyse expectedT archive membersC) @@ -242,7 +242,7 @@ {.#Var id} (do ! [?expectedT' (/type.check (check.peek id))] - (case ?expectedT' + (when ?expectedT' {.#Some expectedT'} (<| (/type.expecting expectedT') (product analyse archive membersC)) @@ -268,11 +268,11 @@ (product analyse archive membersC)) {.#Apply inputT funT} - (case funT + (when funT {.#Var funT_id} (do ! [?funT' (/type.check (check.peek funT_id))] - (case ?funT' + (when ?funT' {.#Some funT'} (<| (/type.expecting {.#Apply inputT funT'}) (product analyse archive membersC)) @@ -281,7 +281,7 @@ (/.except ..invalid_tuple_type [expectedT membersC]))) _ - (case (type.applied (list inputT) funT) + (when (type.applied (list inputT) funT) {.#Some outputT} (<| (/type.expecting outputT) (product analyse archive membersC)) @@ -302,7 +302,7 @@ (loop (again [input record output (is (List [Symbol Code]) {.#End})]) - (case input + (when input (list.partial [_ {.#Symbol ["" slotH]}] valueH tail) (if pattern_matching? (///#in {.#None}) @@ -337,7 +337,7 @@ (do meta.monad [head_k (meta.normal head_k)] (meta.try (meta.slot head_k))))] - (case slotH' + (when slotH' {try.#Success [_ slot_set recordT]} (do ! [.let [size_record (list.size record) @@ -351,7 +351,7 @@ (function (_ [key val] idx->val) (do ! [key (///extension.lifted (meta.normal key))] - (case (dictionary.value key tag->idx) + (when (dictionary.value key tag->idx) {.#Some idx} (if (dictionary.key? idx->val idx) (/.except ..cannot_repeat_slot [key record]) @@ -372,13 +372,13 @@ (def .public (order pattern_matching? record) (-> Bit (List [Symbol Code]) (Operation (Maybe [Nat (List Code) Type]))) - (case record + (when record ... empty_record = empty_tuple = unit/any = [] {.#End} (///#in {.#Some [0 (list) .Any]}) {.#Item [head_k head_v] _} - (case head_k + (when head_k ["" head_k'] (if pattern_matching? (///#in {.#None}) @@ -394,7 +394,7 @@ (def .public (record analyse archive members) (-> Phase Archive (List Code) (Operation Analysis)) - (case members + (when members (list) //simple.unit @@ -405,9 +405,9 @@ (do [! ///.monad] [head_k (///extension.lifted (meta.normal pseudo_slot)) slot (///extension.lifted (meta.try (meta.slot head_k)))] - (case slot + (when slot {try.#Success [_ slot_set recordT]} - (case (list.size slot_set) + (when (list.size slot_set) 1 (analyse archive singletonC) _ (..product analyse archive members)) @@ -417,21 +417,21 @@ _ (do [! ///.monad] [?members (..normal false members)] - (case ?members + (when ?members {.#None} (..product analyse archive members) {.#Some slots} (do ! [record_size,membersC,recordT (..order false slots)] - (case record_size,membersC,recordT + (when record_size,membersC,recordT {.#None} (..product analyse archive members) {.#Some [record_size membersC recordT]} (do ! [expectedT (///extension.lifted meta.expected_type)] - (case expectedT + (when expectedT {.#Var _} (do ! [inferenceT (/inference.record record_size recordT) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/function.lux index b14ae34cc..7864fd3d5 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/function.lux @@ -59,7 +59,7 @@ [expectedT (///extension.lifted meta.expected_type)] (loop (again [expectedT expectedT]) (/.with_exception ..cannot_analyse [expectedT function_name arg_name body] - (case expectedT + (when expectedT {.#Function :input: :output:} (<| (at ! each (.function (_ [scope bodyA]) {/.#Function (list#each (|>> /.variable) @@ -77,7 +77,7 @@ (again :anonymous:) {.#Apply argT funT} - (case (type.applied (list argT) funT) + (when (type.applied (list argT) funT) {.#Some value} (again value) @@ -97,7 +97,7 @@ {.#Var id} (do ! [?expectedT' (/type.check (check.peek id))] - (case ?expectedT' + (when ?expectedT' {.#Some expectedT'} (again expectedT') @@ -115,7 +115,7 @@ ?:input: (check.try (check.identity (list @output) @input)) ? (check.linked? @input @output) _ (<| (check.check expectedT) - (case ?:input: + (when ?:input: {try.#Success :input:} {.#Function :input: (if ? :input: diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/reference.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/reference.lux index cbee3c622..d71fa4ad0 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/reference.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/reference.lux @@ -45,7 +45,7 @@ (with_expansions [ (in (|> def_name ///reference.constant {/.#Reference}))] (do [! ///.monad] [constant (///extension.lifted (meta.definition def_name))] - (case constant + (when constant {.#Alias real_def_name} (definition quoted_module real_def_name) @@ -91,7 +91,7 @@ (-> Text (Operation (Maybe Analysis))) (do [! ///.monad] [?var (/scope.variable var_name)] - (case ?var + (when ?var {.#Some [actualT ref]} (do ! [_ (/type.inference actualT)] @@ -102,11 +102,11 @@ (def .public (reference quoted_module it) (-> Text Symbol (Operation Analysis)) - (case it + (when it ["" simple_name] (do [! ///.monad] [?var (variable simple_name)] - (case ?var + (when ?var {.#Some varA} (in varA) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/when.lux new file mode 100644 index 000000000..ceb60e374 --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/analysis/when.lux @@ -0,0 +1,364 @@ +(.require + [library + [lux (.except Pattern when) + [abstract + ["[0]" monad (.only do)]] + [control + ["[0]" maybe] + ["[0]" try] + ["[0]" exception (.only exception)]] + [data + ["[0]" product] + [text + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" mix monoid monad)]]] + [math + [number + ["n" nat]]] + ["[0]" meta (.only) + ["[0]" code] + [macro + ["^" pattern]] + ["[0]" type (.only) + ["[0]" check (.only Check)]]]]] + ["[0]" / + ["/[1]" // + ["[1][0]" complex] + ["/[1]" // + ["[1][0]" extension] + [// + ["/" analysis (.only Analysis Operation Phase) + ["[1][0]" simple] + ["[1][0]" complex] + ["[1][0]" pattern (.only Pattern)] + ["[1][0]" type] + ["[1][0]" scope] + ["[1][0]" coverage (.only Coverage)]] + [/// + ["[1]" phase]]]]]]) + +(exception .public (mismatch [type Type + pattern Code]) + (exception.report + (list ["Type" (%.type type)] + ["Pattern" (%.code pattern)]))) + +(exception .public (sum_has_no_case [case Nat + type Type]) + (exception.report + (list ["Case" (%.nat case)] + ["Type" (%.type type)]))) + +(exception .public (invalid [it Code]) + (exception.report + (list ["Pattern" (%.code it)]))) + +(exception .public (non_tuple [type Type]) + (exception.report + (list ["Type" (%.type type)]))) + +(exception .public (non_exhaustive [input Code + branches (List [Code Code]) + coverage Coverage]) + (exception.report + (list ["Input" (%.code input)] + ["Branches" (%.code (code.tuple (|> branches + (list#each (function (_ [slot value]) + (list slot value))) + list#conjoint)))] + ["Coverage" (/coverage.format coverage)]))) + +(exception .public empty_branches) + +(def (quantified envs baseT) + (-> (List (List Type)) Type Type) + (.when envs + {.#End} + baseT + + {.#Item head tail} + (quantified tail {.#UnivQ head baseT}))) + +... Type-checking on the input value is done during the analysis of a +... "when" expression, to ensure that the patterns being used make +... sense for the type of the input value. +... Sometimes, that input value is complex, by depending on +... type-variables or quantifications. +... This function makes it easier for "when" analysis to properly +... type-check the input with respect to the patterns. +(def .public (tuple :it:) + (-> Type (Check [(List check.Var) Type])) + (loop (again [envs (is (List (List Type)) + (list)) + :it: :it:]) + (.when :it: + {.#Var id} + (do check.monad + [?:it:' (check.peek id)] + (.when ?:it:' + {.#Some :it:'} + (again envs :it:') + + _ + (check.except ..non_tuple :it:))) + + {.#Named name unnamedT} + (again envs unnamedT) + + {.#UnivQ env unquantifiedT} + (again {.#Item env envs} unquantifiedT) + + {.#ExQ _} + (do check.monad + [[@head :head:] check.var + [tail :tuple:] (again envs (maybe.trusted (type.applied (list :head:) :it:)))] + (in [(list.partial @head tail) :tuple:])) + + {.#Apply _} + (do [! check.monad] + [.let [[:abstraction: :parameters:] (type.flat_application :it:)] + :abstraction: (.when :abstraction: + {.#Var @abstraction} + (do ! + [?:abstraction: (check.peek @abstraction)] + (.when ?:abstraction: + {.#Some :abstraction:} + (in :abstraction:) + + _ + (check.except ..non_tuple :it:))) + + _ + (in :abstraction:))] + (.when (type.applied :parameters: :abstraction:) + {.#Some :it:} + (again envs :it:) + + {.#None} + (check.except ..non_tuple :it:))) + + {.#Product _} + (|> :it: + type.flat_tuple + (list#each (..quantified envs)) + type.tuple + [(list)] + (at check.monad in)) + + _ + (at check.monad in [(list) (..quantified envs :it:)])))) + +(def (simple_pattern_analysis type :input: location output next) + (All (_ a) (-> Type Type Location Pattern (Operation a) (Operation [Pattern a]))) + (/.with_location location + (do ///.monad + [_ (/type.check (check.check :input: type)) + outputA next] + (in [output outputA])))) + +(def (tuple_pattern_analysis pattern_analysis :input: sub_patterns next) + (All (_ a) + (-> (-> (Maybe Nat) Type Code (Operation a) (Operation [Pattern a])) + Type (List Code) (Operation a) (Operation [Pattern a]))) + (do [! ///.monad] + [[@ex_var+ :input:'] (/type.check (..tuple :input:))] + (.when :input:' + {.#Product _} + (let [matches (loop (again [types (type.flat_tuple :input:') + patterns sub_patterns + output (is (List [Type Code]) + {.#End})]) + (.when [types patterns] + [{.#End} {.#End}] + output + + [{.#Item headT {.#End}} {.#Item headP {.#End}}] + {.#Item [headT headP] output} + + [remainingT {.#Item headP {.#End}}] + {.#Item [(type.tuple remainingT) headP] output} + + [{.#Item headT {.#End}} remainingP] + {.#Item [headT (code.tuple remainingP)] output} + + [{.#Item headT tailT} {.#Item headP tailP}] + (again tailT tailP {.#Item [headT headP] output}) + + _ + (undefined)))] + (do ! + [[memberP+ thenA] (list#mix (is (All (_ a) + (-> [Type Code] (Operation [(List Pattern) a]) + (Operation [(List Pattern) a]))) + (function (_ [memberT memberC] then) + (do ! + [[memberP [memberP+ thenA]] ((as (All (_ a) (-> (Maybe Nat) Type Code (Operation a) (Operation [Pattern a]))) + pattern_analysis) + {.#None} memberT memberC then)] + (in [(list.partial memberP memberP+) thenA])))) + (do ! + [nextA next] + (in [(list) nextA])) + matches) + _ (/type.check (monad.each check.monad check.forget! @ex_var+))] + (in [(/pattern.tuple memberP+) + thenA]))) + + _ + (/.except ..mismatch [:input:' (code.tuple sub_patterns)])))) + +... This function handles several concerns at once, but it must be that +... way because those concerns are interleaved when doing +... pattern-matching and they cannot be separated. +... The pattern is analysed in order to get a general feel for what is +... expected of the input value. This, in turn, informs the +... type-checking of the input. +... A kind of "continuation" value is passed around which signifies +... what needs to be done _after_ analysing a pattern. +... In general, this is done to analyse the "body" expression +... associated to a particular pattern _in the context of_ said +... pattern. +... The reason why *context* is important is because patterns may bind +... values to local variables, which may in turn be referenced in the +... body expressions. +... That is why the body must be analysed in the context of the +... pattern, and not separately. +(def (pattern_analysis num_tags :input: pattern next) + (All (_ a) (-> (Maybe Nat) Type Code (Operation a) (Operation [Pattern a]))) + (.when pattern + [location {.#Symbol ["" name]}] + (/.with_location location + (do ///.monad + [outputA (/scope.with_local [name :input:] + next) + idx /scope.next] + (in [{/pattern.#Bind idx} outputA]))) + + (^.with_template [ ] + [[location ] + (simple_pattern_analysis :input: location {/pattern.#Simple } next)]) + ([Bit {.#Bit pattern_value} {/simple.#Bit pattern_value}] + [Nat {.#Nat pattern_value} {/simple.#Nat pattern_value}] + [Int {.#Int pattern_value} {/simple.#Int pattern_value}] + [Rev {.#Rev pattern_value} {/simple.#Rev pattern_value}] + [Frac {.#Frac pattern_value} {/simple.#Frac pattern_value}] + [Text {.#Text pattern_value} {/simple.#Text pattern_value}] + [Any {.#Tuple {.#End}} {/simple.#Unit}]) + + [location {.#Tuple (list singleton)}] + (pattern_analysis {.#None} :input: singleton next) + + [location {.#Tuple sub_patterns}] + (/.with_location location + (do [! ///.monad] + [record (//complex.normal true sub_patterns) + record_size,members,recordT (is (Operation (Maybe [Nat (List Code) Type])) + (.when record + {.#Some record} + (//complex.order true record) + + {.#None} + (in {.#None})))] + (.when record_size,members,recordT + {.#Some [record_size members recordT]} + (do ! + [_ (.when :input: + {.#Var @input} + (/type.check (do check.monad + [? (check.bound? @input)] + (if ? + (in []) + (check.check :input: recordT)))) + + _ + (in []))] + (.when members + (list singleton) + (pattern_analysis {.#None} :input: singleton next) + + _ + (..tuple_pattern_analysis pattern_analysis :input: members next))) + + {.#None} + (..tuple_pattern_analysis pattern_analysis :input: sub_patterns next)))) + + [location {.#Variant (list.partial [_ {.#Nat lefts}] [_ {.#Bit right?}] values)}] + (/.with_location location + (do ///.monad + [[@ex_var+ :input:'] (/type.check (..tuple :input:))] + (.when :input:' + {.#Sum _} + (let [flat_sum (type.flat_variant :input:') + size_sum (list.size flat_sum) + num_cases (maybe.else size_sum num_tags) + idx (/complex.tag right? lefts)] + (.when (list.item idx flat_sum) + (^.multi {.#Some caseT} + (n.< num_cases idx)) + (do ///.monad + [[testP nextA] (if (and (n.> num_cases size_sum) + (n.= (-- num_cases) idx)) + (pattern_analysis {.#None} + (type.variant (list.after (-- num_cases) flat_sum)) + (` [(,* values)]) + next) + (pattern_analysis {.#None} caseT (` [(,* values)]) next)) + _ (/type.check (monad.each check.monad check.forget! @ex_var+))] + (in [(/pattern.variant [lefts right? testP]) + nextA])) + + _ + (/.except ..sum_has_no_case [idx :input:]))) + + {.#UnivQ _} + (do ///.monad + [[ex_id exT] (/type.check check.existential) + it (pattern_analysis num_tags + (maybe.trusted (type.applied (list exT) :input:')) + pattern + next) + _ (/type.check (monad.each check.monad check.forget! @ex_var+))] + (in it)) + + _ + (/.except ..mismatch [:input:' pattern])))) + + [location {.#Variant (list.partial [_ {.#Symbol tag}] values)}] + (/.with_location location + (do ///.monad + [tag (///extension.lifted (meta.normal tag)) + [idx group variantT] (///extension.lifted (meta.tag tag)) + _ (/type.check (check.check :input: variantT)) + .let [[lefts right?] (/complex.choice (list.size group) idx)]] + (pattern_analysis {.#Some (list.size group)} :input: (` {(, (code.nat lefts)) (, (code.bit right?)) (,* values)}) next))) + + _ + (/.except ..invalid [pattern]) + )) + +(def .public (when analyse branches archive inputC) + (-> Phase (List [Code Code]) Phase) + (.when branches + {.#Item [patternH bodyH] branchesT} + (do [! ///.monad] + [[:input: inputA] (<| /type.inferring + (analyse archive inputC)) + outputH (pattern_analysis {.#None} :input: patternH (analyse archive bodyH)) + outputT (monad.each ! + (function (_ [patternT bodyT]) + (pattern_analysis {.#None} :input: patternT (analyse archive bodyT))) + branchesT) + outputHC (|> outputH product.left /coverage.coverage /.of_try) + outputTC (monad.each ! (|>> product.left /coverage.coverage /.of_try) outputT) + _ (.when (monad.mix try.monad /coverage.composite outputHC outputTC) + {try.#Success coverage} + (///.assertion ..non_exhaustive [inputC branches coverage] + (/coverage.exhaustive? coverage)) + + {try.#Failure error} + (/.failure error))] + (in {/.#When inputA [outputH outputT]})) + + {.#End} + (/.except ..empty_branches []))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/declaration.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/declaration.lux index 4fd6f0ed3..cd102ce48 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/declaration.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/declaration.lux @@ -47,7 +47,7 @@ (-> Archive ///analysis.Bundle evaluation.Eval Eval) (function (_ type code lux) - (case (compiler_eval archive type code [bundle lux]) + (when (compiler_eval archive type code [bundle lux]) {try.#Success [[_bundle lux'] value]} {try.#Success [lux' value]} @@ -62,12 +62,12 @@ (loop (again [state state input expansion output /.no_requirements]) - (case input + (when input {.#End} {try.#Success [state output]} {.#Item head tail} - (case (phase archive head state) + (when (phase archive head state) {try.#Success [state' head']} (again state' tail (/.merge_requirements head' output)) @@ -89,7 +89,7 @@ (the [//extension.#state /.#generation /.#phase] state))) extension_eval (as Eval (wrapper (as_expected compiler_eval)))] _ (//.with (has [//extension.#state /.#analysis /.#state //extension.#state .#eval] extension_eval state))] - (case code + (when code [_ {.#Form (list.partial [_ {.#Text name}] inputs)}] (//extension.apply archive again [name inputs]) @@ -99,11 +99,11 @@ (do ! [macroA (<| (///analysis/type.expecting Macro) (analysis archive macro))] - (case macroA + (when macroA (///analysis.constant macro_name) (do ! [?macro (//extension.lifted (meta.macro macro_name)) - macro (case ?macro + macro (when ?macro {.#Some macro} (in macro) @@ -113,7 +113,7 @@ _ (//.except ..invalid_macro_call code))))] - (case expansion + (when expansion (list.partial referrals) (|> (again archive ) (at ! each (revised /.#referrals (list#composite referrals)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension.lux index 5606f0a5e..0ad49b88e 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension.lux @@ -99,7 +99,7 @@ (All (_ s i o) (-> (Extender s i o) Name (Handler s i o) (Operation s i o Any))) (function (_ [bundle state]) - (case (dictionary.has' name (extender handler) bundle) + (when (dictionary.has' name (extender handler) bundle) {try.#Success bundle'} {try.#Success [[bundle' state] []]} @@ -121,7 +121,7 @@ (All (_ s i o) (-> Archive (Phase s i o) (Extension i) (Operation s i o o))) (function (_ (^.let stateE [bundle state])) - (case (dictionary.value name bundle) + (when (dictionary.value name bundle) {.#Some handler} (((handler name phase) archive parameters) stateE) @@ -136,7 +136,7 @@ (function (_ operation) (function (_ [bundle state]) (let [old (get state)] - (case (operation [bundle (set (transform old) state)]) + (when (operation [bundle (set (transform old) state)]) {try.#Success [[bundle' state'] output]} {try.#Success [[bundle' (set old state')] output]} @@ -149,7 +149,7 @@ (-> (Operation s i o v) (Operation s i o v)))) (function (_ operation) (function (_ [bundle state]) - (case (operation [bundle (transform state)]) + (when (operation [bundle (transform state)]) {try.#Success [[bundle' state'] output]} {try.#Success [[bundle' state] output]} @@ -177,7 +177,7 @@ (All (_ s i o v) (-> (//.Operation s v) (Operation s i o v))) (function (_ [bundle state]) - (case (action state) + (when (action state) {try.#Success [state' output]} {try.#Success [[bundle state'] output]} @@ -188,7 +188,7 @@ (All (_ s i o v) (-> (Operation s i o v) (//.Operation s v))) (function (_ state) - (case (it [..empty state]) + (when (it [..empty state]) {try.#Success [[_ state'] output]} {try.#Success [state' output]} diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/jvm.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/jvm.lux index e072e7d9d..9b8eabe1b 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/jvm.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/jvm.lux @@ -395,16 +395,16 @@ (def lux_array_type (template (_ :read: :write:) - [{.#Primitive array.type_name (list {.#Apply :write: {.#Apply :read: _Mutable}})}])) + [{.#Primitive array.primitive (list {.#Apply :write: {.#Apply :read: _Mutable}})}])) (def (jvm_type luxT) (-> .Type (Operation (Type Value))) - (case luxT + (when luxT {.#Named name anonymousT} (jvm_type anonymousT) {.#Apply inputT abstractionT} - (case (type.applied (list inputT) abstractionT) + (when (type.applied (list inputT) abstractionT) {.#Some outputT} (jvm_type outputT) @@ -415,9 +415,9 @@ (phase#each jvm.array (jvm_type elemT)) {.#Primitive class parametersT} - (case (dictionary.value class ..boxes) + (when (dictionary.value class ..boxes) {.#Some [_ primitive_type]} - (case parametersT + (when parametersT {.#End} (phase#in primitive_type) @@ -431,7 +431,7 @@ (function (_ parameterT) (do phase.monad [parameterJT (jvm_type parameterT)] - (case (parser.parameter? parameterJT) + (when (parser.parameter? parameterJT) {.#Some parameterJT} (in parameterJT) @@ -461,7 +461,7 @@ (def (primitive_array_length_handler primitive_type) (-> (Type Primitive) Handler) (function (_ extension_name analyse archive args) - (case args + (when args (list arrayC) (do phase.monad [_ (typeA.inference ..int) @@ -477,7 +477,7 @@ (def array::length::object Handler (function (_ extension_name analyse archive args) - (case args + (when args (list arrayC) (<| typeA.with_var (function (_ [@read :read:])) @@ -499,7 +499,7 @@ (def (new_primitive_array_handler primitive_type) (-> (Type Primitive) Handler) (function (_ extension_name analyse archive args) - (case args + (when args (list lengthC) (do phase.monad [lengthA (<| (typeA.expecting ..int) @@ -514,14 +514,14 @@ (def array::new::object Handler (function (_ extension_name analyse archive args) - (case args + (when args (list lengthC) (do phase.monad [lengthA (<| (typeA.expecting ..int) (analyse archive lengthC)) expectedT (///.lifted meta.expected_type) expectedJT (jvm_array_type expectedT) - elementJT (case (parser.array? expectedJT) + elementJT (when (parser.array? expectedJT) {.#Some elementJT} (in elementJT) @@ -535,7 +535,7 @@ (def (check_parameter objectT) (-> .Type (Operation (Type Parameter))) - (case objectT + (when objectT (lux_array_type elementT _) (/////analysis.except ..non_parameter objectT) @@ -563,7 +563,7 @@ {.#Var @var} (do phase.monad [:var: (typeA.check (check.peek @var))] - (case :var: + (when :var: {.#Some :var:} (check_parameter :var:) @@ -581,7 +581,7 @@ [.#ExQ]) {.#Apply inputT abstractionT} - (case (type.applied (list inputT) abstractionT) + (when (type.applied (list inputT) abstractionT) {.#Some outputT} (check_parameter outputT) @@ -596,7 +596,7 @@ (def (check_jvm objectT) (-> .Type (Operation (Type Value))) - (case objectT + (when objectT {.#Primitive name {.#End}} (`` (cond (,, (with_template [] [(text#= (..reflection ) name) @@ -652,7 +652,7 @@ [.#ExQ]) {.#Apply inputT abstractionT} - (case (type.applied (list inputT) abstractionT) + (when (type.applied (list inputT) abstractionT) {.#Some outputT} (check_jvm outputT) @@ -665,7 +665,7 @@ (with_template [ ] [(def .public ( mapping typeJ) (-> Mapping (Type ) (Operation .Type)) - (case (|> typeJ ..signature (.result ( mapping))) + (when (|> typeJ ..signature (.result ( mapping))) {try.#Success check} (typeA.check check) @@ -698,7 +698,7 @@ (def (read_primitive_array_handler lux_type jvm_type) (-> .Type (Type Primitive) Handler) (function (_ extension_name analyse archive args) - (case args + (when args (list idxC arrayC) (do phase.monad [_ (typeA.inference lux_type) @@ -715,7 +715,7 @@ (def array::read::object Handler (function (_ extension_name analyse archive args) - (case args + (when args (list idxC arrayC) (<| typeA.with_var (function (_ [@read :read:])) @@ -742,7 +742,7 @@ (let [array_type {.#Primitive (|> (jvm.array jvm_type) ..reflection) (list)}] (function (_ extension_name analyse archive args) - (case args + (when args (list idxC valueC arrayC) (do phase.monad [_ (typeA.inference array_type) @@ -762,7 +762,7 @@ (def array::write::object Handler (function (_ extension_name analyse archive args) - (case args + (when args (list idxC valueC arrayC) (<| typeA.with_var (function (_ [@read :read:])) @@ -840,7 +840,7 @@ (def object::null Handler (function (_ extension_name analyse archive args) - (case args + (when args (list) (do phase.monad [expectedT (///.lifted meta.expected_type) @@ -854,7 +854,7 @@ (def object::null? Handler (function (_ extension_name analyse archive args) - (case args + (when args (list objectC) (do phase.monad [_ (typeA.inference .Bit) @@ -869,7 +869,7 @@ (def object::synchronized Handler (function (_ extension_name analyse archive args) - (case args + (when args (list monitorC exprC) (do phase.monad [[monitorT monitorA] (typeA.inferring @@ -884,7 +884,7 @@ (def (object::throw class_loader) (-> java/lang/ClassLoader Handler) (function (_ extension_name analyse archive args) - (case args + (when args (list exceptionC) (do phase.monad [_ (typeA.inference Nothing) @@ -904,9 +904,9 @@ (def (object::class class_loader) (-> java/lang/ClassLoader Handler) (function (_ extension_name analyse archive args) - (case args + (when args (list classC) - (case classC + (when classC [_ {.#Text class}] (do phase.monad [_ (..ensure_fresh_class! class_loader class) @@ -949,7 +949,7 @@ super_class (phase.lifted (reflection!.load class_loader super_name)) superT (reflection_type mapping superJT)] (in [[super_name superT] (java/lang/Class::isAssignableFrom super_class to_class)]))) - (case (java/lang/Class::getGenericSuperclass from_class) + (when (java/lang/Class::getGenericSuperclass from_class) {.#Some super} (list.partial super (array.list {.#None} (java/lang/Class::getGenericInterfaces from_class))) @@ -962,7 +962,7 @@ (def (object::cast class_loader) (-> java/lang/ClassLoader Handler) (function (_ extension_name analyse archive args) - (case args + (when args (list fromC) (do [! phase.monad] [toT (///.lifted meta.expected_type) @@ -1006,7 +1006,7 @@ (do ! [candidate_parents (is (Operation (List [[Text .Type] Bit])) (class_candidate_parents class_loader current_name currentT to_name to_class))] - (case (|> candidate_parents + (when (|> candidate_parents (list.only product.right) (list#each product.left)) {.#Item [next_name nextT] _} @@ -1014,7 +1014,7 @@ {.#End} (in false))))) - (in (case [(type#= java/lang/Object fromT) + (in (when [(type#= java/lang/Object fromT) (parser.array? toJT)] [.true {.#Some _}] true @@ -1154,21 +1154,21 @@ (def (de_aliased aliasing) (-> Aliasing (Type Value) (Type Value)) (function (again it) - (`` (<| (case (parser.var? it) + (`` (<| (when (parser.var? it) {.#Some name} (|> aliasing (dictionary.value name) (maybe#each jvm.var) (maybe.else it)) {.#None}) - (case (parser.class? it) + (when (parser.class? it) {.#Some [name parameters]} (|> parameters (list#each (|>> again (as (Type Parameter)))) (jvm.class name)) {.#None}) (,, (with_template [ ] - [(case ( it) + [(when ( it) {.#Some :sub:} ( (as (Type ) (again :sub:))) {.#None})] @@ -1189,13 +1189,13 @@ .let [modifiers (java/lang/reflect/Method::getModifiers method) correct_class? (java/lang/Class::isAssignableFrom class (java/lang/reflect/Method::getDeclaringClass method)) correct_method? (text#= method_name (java/lang/reflect/Method::getName method)) - same_static? (case method_style + same_static? (when method_style {#Static} (java/lang/reflect/Modifier::isStatic modifiers) _ true) - same_special? (case method_style + same_special? (when method_style {#Special} (not (or (java/lang/reflect/Modifier::isInterface (java/lang/Class::getModifiers class)) (java/lang/reflect/Modifier::isAbstract modifiers))) @@ -1262,7 +1262,7 @@ (def (return_type it) (-> java/lang/reflect/Method (Try (Type Return))) (reflection!.return - (case (java/lang/reflect/Method::getGenericReturnType it) + (when (java/lang/reflect/Method::getGenericReturnType it) {.#Some it} it @@ -1272,7 +1272,7 @@ (def (method_signature method_style method) (-> Method_Style java/lang/reflect/Method (Operation Method_Signature)) (let [owner (java/lang/reflect/Method::getDeclaringClass method) - owner_tvars (case method_style + owner_tvars (when method_style {#Static} (list) @@ -1303,7 +1303,7 @@ (phase#each (monad.each ! (..reflection_type mapping))) phase#conjoint) .let [methodT (<| (type.univ_q (dictionary.size mapping)) - (type.function (case method_style + (type.function (when method_style {#Static} inputsT @@ -1358,7 +1358,7 @@ (with_template [ ] [(def (-> Evaluation (Maybe Method_Signature)) - (|>> (pipe.case + (|>> (pipe.when { output} {.#Some output} @@ -1391,7 +1391,7 @@ (-> (java/lang/Class java/lang/Object) (List (java/lang/Class java/lang/Object))) (let [interfaces (array.list {.#None} (java/lang/Class::getInterfaces it)) - supers (case (java/lang/Class::getSuperclass it) + supers (when (java/lang/Class::getSuperclass it) {.#Some class} (list.partial class interfaces) @@ -1440,7 +1440,7 @@ (|>> {#Pass}) (|>> {#Hint})) (method_signature method_style method)))))))] - (case (list.all pass candidates) + (when (list.all pass candidates) {.#Item method {.#End}} (in method) @@ -1474,7 +1474,7 @@ (|>> {#Pass}) (|>> {#Hint})) (constructor_signature constructor))))))] - (case (list.all pass candidates) + (when (list.all pass candidates) {.#Item constructor {.#End}} (in constructor) @@ -1539,7 +1539,7 @@ _ (phase.assertion ..deprecated_method [class method methodT] (not deprecated?)) [outputT allA] (inference.general archive analyse methodT (list.partial objectC (list#each product.right argsTC))) - .let [[objectA argsA] (case allA + .let [[objectA argsA] (when allA {.#Item objectA argsA} [objectA argsA] @@ -1564,7 +1564,7 @@ _ (phase.assertion ..deprecated_method [class method methodT] (not deprecated?)) [outputT allA] (inference.general archive analyse methodT (list.partial objectC (list#each product.right argsTC))) - .let [[objectA argsA] (case allA + .let [[objectA argsA] (when allA {.#Item objectA argsA} [objectA argsA] @@ -1592,7 +1592,7 @@ _ (phase.assertion ..deprecated_method [class_name method methodT] (not deprecated?)) [outputT allA] (inference.general archive analyse methodT (list.partial objectC (list#each product.right argsTC))) - .let [[objectA argsA] (case allA + .let [[objectA argsA] (when allA {.#Item objectA argsA} [objectA argsA] @@ -1790,7 +1790,7 @@ (def .public (visibility_analysis visibility) (-> Visibility Analysis) - (/////analysis.text (case visibility + (/////analysis.text (when visibility {#Public} ..public_tag {#Private} ..private_tag {#Protected} ..protected_tag @@ -1897,13 +1897,13 @@ (def (with_fake_parameter#pattern it) (-> pattern.Pattern pattern.Pattern) - (case it + (when it {pattern.#Simple _} it {pattern.#Complex it} {pattern.#Complex - (case it + (when it {complex.#Variant it} {complex.#Variant (revised complex.#value with_fake_parameter#pattern it)} @@ -1915,13 +1915,13 @@ (def (with_fake_parameter it) (-> Analysis Analysis) - (case it + (when it {/////analysis.#Simple _} it {/////analysis.#Structure it} {/////analysis.#Structure - (case it + (when it {complex.#Variant it} {complex.#Variant (revised complex.#value with_fake_parameter it)} @@ -1930,10 +1930,10 @@ {/////analysis.#Reference it} {/////analysis.#Reference - (case it + (when it {reference.#Variable it} {reference.#Variable - (case it + (when it {variable.#Local it} {variable.#Local (++ it)} @@ -1943,8 +1943,8 @@ {reference.#Constant _} it)} - {/////analysis.#Case value [head tail]} - {/////analysis.#Case (with_fake_parameter value) + {/////analysis.#When value [head tail]} + {/////analysis.#When (with_fake_parameter value) (let [with_fake_parameter (is (-> /////analysis.Branch /////analysis.Branch) (|>> (revised /////analysis.#when with_fake_parameter#pattern) (revised /////analysis.#then with_fake_parameter)))] @@ -1967,13 +1967,13 @@ (-> Nat Analysis Analysis) (<| /////analysis.tuple (list (/////analysis.unit)) - (case arity + (when arity (^.or 0 1) bodyA 2 (let [forced_refencing (/////analysis.tuple (list#each (|>> /////analysis.local) (list.indices (++ arity))))] - {/////analysis.#Case (/////analysis.unit) + {/////analysis.#When (/////analysis.unit) [[/////analysis.#when {pattern.#Bind 2} @@ -1983,7 +1983,7 @@ _ (let [forced_refencing (/////analysis.tuple (list#each (|>> /////analysis.local) (list.indices (++ arity))))] - {/////analysis.#Case (/////analysis.unit) + {/////analysis.#When (/////analysis.unit) [[/////analysis.#when {pattern.#Complex {complex.#Tuple @@ -2044,7 +2044,7 @@ (list#each (|>> /////analysis.variable) (scope.environment scope)) (<| (..hidden_method_body arity) - (case arity + (when arity 0 (with_fake_parameter bodyA) _ bodyA))} )))))) @@ -2148,7 +2148,7 @@ (list#each (|>> /////analysis.variable) (scope.environment scope)) (<| (..hidden_method_body arity) - (case arity + (when arity 0 (with_fake_parameter bodyA) _ bodyA))} )))))) @@ -2274,7 +2274,7 @@ (def (override_mapping mapping supers parent_type) (-> Mapping (List (Type Class)) (Type Class) (Operation (List [Text .Type]))) (let [[parent_name parent_parameters] (parser.read_class parent_type)] - (case (list.one (function (_ super) + (when (list.one (function (_ super) (let [[super_name super_parameters] (parser.read_class super)] (if (text#= parent_name super_name) {.#Some super_parameters} @@ -2353,7 +2353,7 @@ (list#each (|>> /////analysis.variable) (scope.environment scope)) (<| (..hidden_method_body arity) - (case arity + (when arity 0 (with_fake_parameter bodyA) _ bodyA))} )))))) @@ -2397,7 +2397,7 @@ (list.size actual_parameters)))] (in (|> (list.zipped_2 expected_parameters actual_parameters) (list#mix (function (_ [expected actual] mapping) - (case (parser.var? actual) + (when (parser.var? actual) {.#Some actual} (dictionary.has actual expected mapping) @@ -2493,17 +2493,17 @@ (def (field_definition field) (-> Field (Resource field.Field)) - (case field + (when field ... TODO: Handle annotations. {#Constant [name annotations type value]} - (case value + (when value (^.with_template [ ] [[_ { value}] (do pool.monad [constant (`` (|> value (,, (template.spliced )))) attribute (attribute.constant constant)] (field.field ..constant::modifier name true (sequence.sequence attribute)))]) - ([.#Bit jvm.boolean [(pipe.case #0 +0 #1 +1) .i64 i32.i32 constant.integer pool.integer]] + ([.#Bit jvm.boolean [(pipe.when #0 +0 #1 +1) .i64 i32.i32 constant.integer pool.integer]] [.#Int jvm.byte [.i64 i32.i32 constant.integer pool.integer]] [.#Int jvm.short [.i64 i32.i32 constant.integer pool.integer]] [.#Int jvm.int [.i64 i32.i32 constant.integer pool.integer]] @@ -2525,7 +2525,7 @@ (def method_privacy (-> ffi.Privacy (Modifier method.Method)) - (|>> (pipe.case + (|>> (pipe.when {ffi.#PublicP} method.public {ffi.#PrivateP} method.private {ffi.#ProtectedP} method.protected @@ -2536,7 +2536,7 @@ (def (mock_value valueT) (-> (Type Value) (Bytecode Any)) - (case (jvm.primitive? valueT) + (when (jvm.primitive? valueT) {.#Left classT} _.aconst_null @@ -2555,14 +2555,14 @@ (def (mock_return :return:) (-> (Type Return) (Bytecode Any)) - (case (jvm.void? :return:) + (when (jvm.void? :return:) {.#Right :return:} _.return {.#Left valueT} (all _.composite (mock_value valueT) - (case (jvm.primitive? valueT) + (when (jvm.primitive? valueT) {.#Left classT} _.areturn @@ -2581,7 +2581,7 @@ (def (mock_method super method) (-> (Type Class) (Method_Definition Code) (Resource method.Method)) - (case method + (when method {#Constructor [privacy strict_floating_point? annotations variables exceptions self arguments constructor_arguments body]} diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux index df5a61fc9..98912da07 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux @@ -42,7 +42,7 @@ (-> Text Phase Archive s (Operation Analysis))] Handler)) (function (_ extension_name analyse archive args) - (case (.result syntax args) + (when (.result syntax args) {try.#Success inputs} (handler extension_name analyse archive inputs) @@ -91,7 +91,7 @@ (Parser text.Char) (do <>.monad [raw .text] - (case (text.size raw) + (when (text.size raw) 1 (in (|> raw (text.char 0) maybe.trusted)) _ (<>.failure (exception.error ..char_text_must_be_size_1 [raw]))))) @@ -137,7 +137,7 @@ (def lux::try Handler (function (_ extension_name analyse archive args) - (case args + (when args (list opC) (<| typeA.with_var (function (_ [@var :var:])) @@ -154,7 +154,7 @@ (def lux::in_module Handler (function (_ extension_name analyse archive argsC+) - (case argsC+ + (when argsC+ (list [_ {.#Text module_name}] exprC) (////analysis.with_current_module module_name (analyse archive exprC)) @@ -165,7 +165,7 @@ (def (lux::type::check eval) (-> Eval Handler) (function (_ extension_name analyse archive args) - (case args + (when args (list typeC valueC) (do [! ////.monad] [actualT (at ! each (|>> (as Type)) @@ -180,7 +180,7 @@ (def (lux::type::as eval) (-> Eval Handler) (function (_ extension_name analyse archive args) - (case args + (when args (list typeC valueC) (do [! ////.monad] [actualT (at ! each (|>> (as Type)) @@ -217,7 +217,7 @@ input_type (loop (again [input_name (symbol .Macro')]) (do ! [input_type (///.lifted (meta.definition (symbol .Macro')))] - (case input_type + (when input_type (^.or {.#Definition [exported? def_type def_value]} {.#Type [exported? def_value labels]}) (in (as Type def_value)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/jvm.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/jvm.lux index 16dc3bc08..942f931d8 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/jvm.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/jvm.lux @@ -103,7 +103,7 @@ (def method_privacy (-> ffi.Privacy (Modifier method.Method)) - (|>> (pipe.case + (|>> (pipe.when {ffi.#PublicP} method.public {ffi.#PrivateP} method.private {ffi.#ProtectedP} method.protected @@ -227,17 +227,17 @@ (def (field_definition field) (-> Field (Resource field.Field)) - (case field + (when field ... TODO: Handle annotations. {#Constant [name annotations type value]} - (case value + (when value (^.with_template [ ] [[_ { value}] (do pool.monad [constant (`` (|> value (,, (template.spliced )))) attribute (attribute.constant constant)] (field.field ..constant::modifier name true (sequence.sequence attribute)))]) - ([.#Bit type.boolean [(pipe.case #0 +0 #1 +1) .i64 i32.i32 constant.integer pool.integer]] + ([.#Bit type.boolean [(pipe.when #0 +0 #1 +1) .i64 i32.i32 constant.integer pool.integer]] [.#Int type.byte [.i64 i32.i32 constant.integer pool.integer]] [.#Int type.short [.i64 i32.i32 constant.integer pool.integer]] [.#Int type.int [.i64 i32.i32 constant.integer pool.integer]] @@ -414,7 +414,7 @@ (def (method_argument lux_register argumentT jvm_register) (-> Register (Type Value) Register [Register (Bytecode Any)]) - (case (type.primitive? argumentT) + (when (type.primitive? argumentT) {.#Left argumentT} [(n.+ 1 jvm_register) (if (n.= lux_register jvm_register) @@ -460,7 +460,7 @@ (<| (let [[privacy strict_floating_point? annotations method_tvars exceptions self arguments constructor_argumentsS bodyS] method - bodyS (case (list.size arguments) + bodyS (when (list.size arguments) 0 (host.without_fake_parameter bodyS) _ bodyS)]) (do [! phase.monad] @@ -495,14 +495,14 @@ (def (method_return returnT) (-> (Type Return) (Bytecode Any)) - (case (type.void? returnT) + (when (type.void? returnT) {.#Right returnT} _.return {.#Left returnT} - (case (type.primitive? returnT) + (when (type.primitive? returnT) {.#Left returnT} - (case (type.class? returnT) + (when (type.class? returnT) {.#Some class_name} (all _.composite (_.checkcast returnT) @@ -537,7 +537,7 @@ [.let [[super method_name strict_floating_point? annotations method_tvars self arguments returnJ exceptionsJ bodyS] method - bodyS (case (list.size arguments) + bodyS (when (list.size arguments) 0 (host.without_fake_parameter bodyS) _ bodyS)] generate declaration.generation] @@ -564,7 +564,7 @@ [.let [[method_name privacy final? strict_floating_point? annotations method_tvars self arguments returnJ exceptionsJ bodyS] method - bodyS (case (list.size arguments) + bodyS (when (list.size arguments) 0 (host.without_fake_parameter bodyS) _ bodyS)] generate declaration.generation] @@ -627,7 +627,7 @@ (def (method_generation archive super_class method) (-> Archive (Type Class) (Method_Definition Synthesis) (Operation (Resource Method))) - (case method + (when method {#Constructor method} (..constructor_method_generation archive super_class method) @@ -656,7 +656,7 @@ (do phase.monad [methodA (is (Operation Analysis) (declaration.lifted_analysis - (case methodC + (when methodC {#Constructor method} (jvm.analyse_constructor_method analyse archive selfT mapping method) @@ -709,7 +709,7 @@ (def (mock_value valueT) (-> (Type Value) (Bytecode Any)) - (case (type.primitive? valueT) + (when (type.primitive? valueT) {.#Left classT} _.aconst_null @@ -728,14 +728,14 @@ (def (mock_return returnT) (-> (Type Return) (Bytecode Any)) - (case (type.void? returnT) + (when (type.void? returnT) {.#Right returnT} _.return {.#Left valueT} (all _.composite (mock_value valueT) - (case (type.primitive? valueT) + (when (type.primitive? valueT) {.#Left classT} _.areturn @@ -754,7 +754,7 @@ (def (mock_method super method) (-> (Type Class) (Method_Definition Code) (Resource method.Method)) - (case method + (when method {#Constructor [privacy strict_floating_point? annotations variables exceptions self arguments constructor_arguments body]} diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/lux.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/lux.lux index 4b93daa97..c917dd6a0 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/lux.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/lux.lux @@ -66,7 +66,7 @@ (Operation anchor expression declaration Requirements))] (Handler anchor expression declaration))) (function (_ extension_name phase archive inputs) - (case (.result syntax inputs) + (when (.result syntax inputs) {try.#Success inputs} (handler extension_name phase archive inputs) @@ -126,7 +126,7 @@ [dependencies (cache/artifact.dependencies archive codeS) [interim_artifacts codeG] (/////generation.with_interim_artifacts archive (generate archive codeS)) - .let [@abstraction (case codeS + .let [@abstraction (when codeS (/////synthesis.function/abstraction [env arity body]) (|> interim_artifacts list.last @@ -152,7 +152,7 @@ [_ code//type codeA] (/////declaration.lifted_analysis (scope.with (typeA.fresh - (case expected + (when expected {.#None} (do ! [[code//type codeA] (typeA.inferring @@ -245,7 +245,7 @@ (def (lux::def expander host_analysis) (-> Expander /////analysis.Bundle Handler) (function (_ extension_name phase archive inputsC+) - (case inputsC+ + (when inputsC+ (list [_ {.#Symbol ["" short_name]}] valueC exported?C) (do phase.monad [current_module (/////declaration.lifted_analysis @@ -288,13 +288,13 @@ [type valueT value] (..definition archive full_name {.#Some .Type} valueC) labels (/////declaration.lifted_analysis (do phase.monad - [.let [[record? labels] (case labels + [.let [[record? labels] (when labels {.#Left tags} [false tags] {.#Right slots} [true slots])] - _ (case labels + _ (when labels {.#End} (moduleA.define short_name {.#Definition [exported? type value]}) @@ -325,7 +325,7 @@ (monad.each ! (function (_ [module alias]) (do ! [_ (moduleA.import module)] - (case alias + (when alias "" (in []) _ (moduleA.alias alias module)))) imports))] @@ -351,7 +351,7 @@ (do phase.monad [current_module (///.lifted meta.current_module_name) constant (///.lifted (meta.definition original))] - (case constant + (when constant {.#Alias de_aliased} (phase.except ..cannot_alias_an_alias [[current_module alias] original de_aliased]) @@ -393,7 +393,7 @@ (function (again type) (if (type#= original type) replacement - (case type + (when type {.#Primitive name parameters} {.#Primitive name (list#each again parameters)} @@ -425,7 +425,7 @@ (-> [Type Type Type] Extender (Handler anchor expression declaration))) (function (handler extension_name phase archive inputsC+) - (case inputsC+ + (when inputsC+ (list nameC valueC) (do phase.monad [target_platform (/////declaration.lifted_analysis @@ -433,7 +433,7 @@ [_ _ name] (evaluate! archive Text nameC) [_ handlerV] ( archive (as Text name) (let [raw_type (type_literal )] - (case target_platform + (when target_platform (^.or @.jvm @.js) raw_type diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/common_lisp/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/common_lisp/common.lux index 41b1165c9..cda183698 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/common_lisp/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/common_lisp/common.lux @@ -31,7 +31,7 @@ ["[0]" reference] ["//" common_lisp ["[1][0]" runtime (.only Operation Phase Handler Bundle Generator)] - ["[1][0]" case]]] + ["[1][0]" when]]] [// ["[0]" generation] ["[0]" synthesis (.only %synthesis) @@ -45,7 +45,7 @@ (-> Text (Generator s))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/js/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/js/common.lux index 772660310..d6db61d49 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/js/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/js/common.lux @@ -31,7 +31,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["[1][0]" function]]] [// @@ -46,7 +46,7 @@ (-> Text (Generator s))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') @@ -101,7 +101,7 @@ (def .public (statement expression archive synthesis) Phase! - (case synthesis + (when synthesis ... TODO: Get rid of this ASAP {synthesis.#Extension "lux syntax char case!" parameters} (do /////.monad @@ -126,17 +126,17 @@ ([synthesis.#Reference] [synthesis.#Extension]) - (synthesis.branch/case case) - (//case.case! statement expression archive case) + (synthesis.branch/when when) + (//when.when! statement expression archive when) (synthesis.branch/exec it) - (//case.exec! statement expression archive it) + (//when.exec! statement expression archive it) (synthesis.branch/let let) - (//case.let! statement expression archive let) + (//when.let! statement expression archive let) (synthesis.branch/if if) - (//case.if! statement expression archive if) + (//when.if! statement expression archive if) (synthesis.loop/scope scope) (//loop.scope! statement expression archive scope) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/js/host.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/js/host.lux index b15b0ae3f..2f7766332 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/js/host.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/js/host.lux @@ -143,7 +143,7 @@ (in (_.closure g!inputs (all _.then (_.define g!abstraction abstractionG) - (_.return (case (.nat arity) + (_.return (when (.nat arity) 0 (_.apply_1 g!abstraction //runtime.unit) 1 (_.apply g!abstraction g!inputs) _ (_.apply_1 g!abstraction (_.array g!inputs)))))))))])) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/jvm/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/jvm/common.lux index 9520433e1..bc81d188e 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/jvm/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/jvm/common.lux @@ -49,7 +49,7 @@ (-> Text Phase Archive s (Operation (Bytecode Any)))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/jvm/host.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/jvm/host.lux index ced11c93e..0d7953920 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/jvm/host.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/jvm/host.lux @@ -372,9 +372,9 @@ (Parser (Type Object)) (do <>.monad [arrayJT (.then parser.array .text)] - (case (parser.array? arrayJT) + (when (parser.array? arrayJT) {.#Some elementJT} - (case (parser.object? elementJT) + (when (parser.object? elementJT) {.#Some elementJT} (in elementJT) @@ -665,7 +665,7 @@ [valueG (generate archive valueS)] (in (all _.composite valueG - (case (parser.object? :unboxed:) + (when (parser.object? :unboxed:) {.#Some :unboxed:} (_.checkcast :unboxed:) @@ -697,7 +697,7 @@ [valueG (generate archive valueS) objectG (generate archive objectS) .let [:class: (type.class class (list)) - putG (case (parser.object? :unboxed:) + putG (when (parser.object? :unboxed:) {.#Some :unboxed:} (all _.composite (_.checkcast :unboxed:) @@ -723,7 +723,7 @@ (-> Phase Archive Input (Operation (Typed (Bytecode Any)))) (do //////.monad [valueG (generate archive valueS)] - (case (type.primitive? valueT) + (when (type.primitive? valueT) {.#Right valueT} (in [valueT valueG]) @@ -734,7 +734,7 @@ (def (prepare_output outputT) (-> (Type Return) (Bytecode Any)) - (case (type.void? outputT) + (when (type.void? outputT) {.#Right outputT} ..unitG @@ -825,7 +825,7 @@ (def .public (hidden_method_body arity body) (-> Nat Synthesis Synthesis) (with_expansions [ (panic! (%.format (%.nat arity) " " (synthesis.%synthesis body)))] - (case [arity body] + (when [arity body] (^.or [0 _] [1 _]) body @@ -833,9 +833,9 @@ [2 {synthesis.#Control {synthesis.#Branch {synthesis.#Let _ 2 (synthesis.tuple (list _ hidden))}}}] hidden - [_ {synthesis.#Control {synthesis.#Branch {synthesis.#Case _ path}}}] + [_ {synthesis.#Control {synthesis.#Branch {synthesis.#When _ path}}}] (loop (again [path (is Path path)]) - (case path + (when path {synthesis.#Seq _ next} (again next) @@ -852,7 +852,7 @@ (-> (-> Synthesis Synthesis) (-> Path Path)) (function (again it) - (case it + (when it (^.or {synthesis.#Pop} {synthesis.#Access _}) it @@ -884,13 +884,13 @@ (def .public (without_fake_parameter it) (-> Synthesis Synthesis) - (case it + (when it {synthesis.#Simple _} it {synthesis.#Structure it} {synthesis.#Structure - (case it + (when it {complex.#Variant it} {complex.#Variant (revised complex.#value without_fake_parameter it)} @@ -899,10 +899,10 @@ {synthesis.#Reference it} {synthesis.#Reference - (case it + (when it {//////reference.#Variable it} {//////reference.#Variable - (case it + (when it {//////variable.#Local it} {//////variable.#Local (-- it)} @@ -914,10 +914,10 @@ {synthesis.#Control it} {synthesis.#Control - (case it + (when it {synthesis.#Branch it} {synthesis.#Branch - (case it + (when it {synthesis.#Exec before after} {synthesis.#Exec (without_fake_parameter before) (without_fake_parameter after)} @@ -936,13 +936,13 @@ {synthesis.#Get members (without_fake_parameter record)} - {synthesis.#Case value path} - {synthesis.#Case (without_fake_parameter value) + {synthesis.#When value path} + {synthesis.#When (without_fake_parameter value) (without_fake_parameter#path without_fake_parameter path)})} {synthesis.#Loop it} {synthesis.#Loop - (case it + (when it {synthesis.#Scope [synthesis.#start start synthesis.#inits inits synthesis.#iteration iteration]} @@ -955,7 +955,7 @@ {synthesis.#Function it} {synthesis.#Function - (case it + (when it {synthesis.#Abstraction [synthesis.#environment environment synthesis.#arity arity synthesis.#body body]} @@ -995,7 +995,7 @@ strict_fp? annotations vars self_name arguments returnT exceptionsT (<| (..hidden_method_body arity) - (case arity + (when arity 0 (without_fake_parameter body) _ body))]])))) @@ -1003,7 +1003,7 @@ (-> (-> Synthesis Synthesis) (-> Path Path)) (function (again path) - (case path + (when path (synthesis.path/then bodyS) (synthesis.path/then (normalize bodyS)) @@ -1039,7 +1039,7 @@ (def (normalize_method_body mapping) (-> Mapping Synthesis Synthesis) (function (again body) - (case body + (when body (^.with_template [] [ body]) @@ -1058,8 +1058,8 @@ (maybe.else var) synthesis.variable) - (synthesis.branch/case [inputS pathS]) - (synthesis.branch/case [(again inputS) (normalize_path again pathS)]) + (synthesis.branch/when [inputS pathS]) + (synthesis.branch/when [(again inputS) (normalize_path again pathS)]) (synthesis.branch/exec [this that]) (synthesis.branch/exec [(again this) (again that)]) @@ -1081,7 +1081,7 @@ (synthesis.function/abstraction [environment arity bodyS]) (synthesis.function/abstraction [(list#each (function (_ captured) - (case captured + (when captured (synthesis.variable var) (|> mapping (dictionary.value captured) @@ -1116,7 +1116,7 @@ inputs! (|> inputsTG list.enumeration (list#each (function (_ [register [type term]]) - (let [then! (case (type.primitive? type) + (let [then! (when (type.primitive? type) {.#Right type} (///value.unwrap type) @@ -1161,14 +1161,14 @@ (def (returnG returnT) (-> (Type Return) (Bytecode Any)) - (case (type.void? returnT) + (when (type.void? returnT) {.#Right returnT} _.return {.#Left returnT} - (case (type.primitive? returnT) + (when (type.primitive? returnT) {.#Left returnT} - (case (type.class? returnT) + (when (type.class? returnT) {.#Some class_name} (all _.composite (_.checkcast returnT) @@ -1221,7 +1221,7 @@ (def (prepare_argument lux_register argumentT jvm_register) (-> Register (Type Value) Register [Register (Bytecode Any)]) - (case (type.primitive? argumentT) + (when (type.primitive? argumentT) {.#Left argumentT} [(n.+ 1 jvm_register) (if (n.= lux_register jvm_register) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/lua/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/lua/common.lux index 8fdfccda4..80882cbbd 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/lua/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/lua/common.lux @@ -34,7 +34,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["[1][0]" function]]] [// @@ -50,7 +50,7 @@ (-> Text (Generator s))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') @@ -63,7 +63,7 @@ (def .public (statement expression archive synthesis) Phase! - (case synthesis + (when synthesis ... TODO: Get rid of this ASAP {synthesis.#Extension "lux syntax char case!" parameters} (do /////.monad @@ -88,17 +88,17 @@ ([synthesis.#Reference] [synthesis.#Extension]) - (synthesis.branch/case case) - (//case.case! statement expression archive case) + (synthesis.branch/when when) + (//when.when! statement expression archive when) (synthesis.branch/exec it) - (//case.exec! statement expression archive it) + (//when.exec! statement expression archive it) (synthesis.branch/let let) - (//case.let! statement expression archive let) + (//when.let! statement expression archive let) (synthesis.branch/if if) - (//case.if! statement expression archive if) + (//when.if! statement expression archive if) (synthesis.loop/scope scope) (do /////.monad @@ -123,7 +123,7 @@ (function (_ extension_name phase archive [input else conditionals]) (|> conditionals (list#each (function (_ [chars branch]) - {synthesis.#Seq (case chars + {synthesis.#Seq (when chars {.#End} {synthesis.#Pop} @@ -139,7 +139,7 @@ {synthesis.#Alt pre post}) {synthesis.#Then else}) [input] - (//case.case! statement phase archive) + (//when.when! statement phase archive) (at /////.monad each (|>> (as Expression)))))])) (def lux_procs diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/lua/host.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/lua/host.lux index 603d2efb2..5072f1488 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/lua/host.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/lua/host.lux @@ -180,7 +180,7 @@ (list.repeated (.nat arity) []))] (in (<| (_.closure g!inputs) _.return - (case (.nat arity) + (when (.nat arity) 0 (_.apply (list //runtime.unit) abstractionG) 1 (_.apply g!inputs abstractionG) _ (_.apply (list (_.array g!inputs)) abstractionG))))))])) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/php/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/php/common.lux index 8fcabe6e4..00c99a594 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/php/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/php/common.lux @@ -31,7 +31,7 @@ ["[0]" reference] ["//" php ["[1][0]" runtime (.only Operation Phase Handler Bundle Generator)] - ["[1][0]" case]]] + ["[1][0]" when]]] [// ["[0]" synthesis (.only %synthesis) ["" \\parser (.only Parser)]] @@ -45,7 +45,7 @@ (-> Text (Generator s))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') @@ -84,8 +84,8 @@ branchG]))) conditionals)) .let [foreigns (|> conditionals - (list#each (|>> product.right synthesis.path/then //case.dependencies)) - (list.partial (//case.dependencies (synthesis.path/then else))) + (list#each (|>> product.right synthesis.path/then //when.dependencies)) + (list.partial (//when.dependencies (synthesis.path/then else))) list.together (set.of_list _.hash) set.list) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/python/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/python/common.lux index b4a6a8f0c..5bb154a47 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/python/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/python/common.lux @@ -36,7 +36,7 @@ ["[1][0]" structure] ["[1][0]" reference] ["[1][0]" function] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop]]] [// [analysis (.only)] @@ -48,7 +48,7 @@ (def .public (statement expression archive synthesis) Phase! - (case synthesis + (when synthesis ... TODO: Get rid of this ASAP {synthesis.#Extension "lux syntax char case!" parameters} (do /////.monad @@ -73,15 +73,15 @@ ([synthesis.#Reference] [synthesis.#Extension]) - (synthesis.branch/case case) - (//case.case! false statement expression archive case) + (synthesis.branch/when when) + (//when.when! false statement expression archive when) (^.with_template [ ] [( value) ( statement expression archive value)]) - ([synthesis.branch/exec //case.exec!] - [synthesis.branch/let //case.let!] - [synthesis.branch/if //case.if!] + ([synthesis.branch/exec //when.exec!] + [synthesis.branch/let //when.let!] + [synthesis.branch/if //when.if!] [synthesis.loop/scope //loop.scope!] [synthesis.loop/again //loop.again!]) @@ -95,7 +95,7 @@ (-> Text (Generator s))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/python/host.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/python/host.lux index 3354e69db..fde1ab399 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/python/host.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/python/host.lux @@ -140,7 +140,7 @@ g!inputs (monad.each ! (function (_ _) (variable "input")) (list.repeated (.nat arity) []))] (in (_.lambda g!inputs - (case (.nat arity) + (when (.nat arity) 0 (_.apply (list //runtime.unit) abstractionG) 1 (_.apply g!inputs abstractionG) _ (_.apply (list (_.list g!inputs)) abstractionG))))))])) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/r/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/r/common.lux index b2dbae1f3..faab4946a 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/r/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/r/common.lux @@ -31,7 +31,7 @@ ["[0]" reference] ["//" r ["[1][0]" runtime (.only Operation Phase Handler Bundle Generator)] - ["[1][0]" case]]] + ["[1][0]" when]]] [// ["[0]" synthesis (.only %synthesis) ["" \\parser (.only Parser)]] @@ -45,7 +45,7 @@ (-> Text (Generator s))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/ruby/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/ruby/common.lux index dca8af12f..9c136ef38 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/ruby/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/ruby/common.lux @@ -35,7 +35,7 @@ ["[1][0]" structure] ["[1][0]" reference] ["[1][0]" function] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop]]] [// ["[0]" generation] @@ -50,7 +50,7 @@ (-> Text (Generator s))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') @@ -59,7 +59,7 @@ (def .public (statement expression archive synthesis) Phase! - (case synthesis + (when synthesis ... TODO: Get rid of this ASAP {synthesis.#Extension "lux syntax char case!" parameters} (do /////.monad @@ -85,15 +85,15 @@ ([synthesis.#Reference] [synthesis.#Extension]) - (synthesis.branch/case case) - (//case.case! false statement expression archive case) + (synthesis.branch/when when) + (//when.when! false statement expression archive when) (^.with_template [ ] [( value) ( statement expression archive value)]) - ([synthesis.branch/exec //case.exec!] - [synthesis.branch/let //case.let!] - [synthesis.branch/if //case.if!] + ([synthesis.branch/exec //when.exec!] + [synthesis.branch/let //when.let!] + [synthesis.branch/if //when.if!] [synthesis.loop/scope //loop.scope!] [synthesis.loop/again //loop.again!]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/scheme/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/scheme/common.lux index 2b8bbcba8..9eec19a4a 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/scheme/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/generation/scheme/common.lux @@ -31,7 +31,7 @@ ["[0]" reference] ["//" scheme ["[1][0]" runtime (.only Operation Phase Handler Bundle Generator)] - ["[1][0]" case]]] + ["[1][0]" when]]] [// ["[0]" generation] ["[0]" synthesis (.only %synthesis) @@ -45,7 +45,7 @@ (-> Text (Generator s))] Handler)) (function (_ extension_name phase archive input) - (case (.result parser input) + (when (.result parser input) {try.#Success input'} (handler extension_name phase archive input') diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp.lux index 1168d5b8b..0f1867ff7 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp.lux @@ -11,7 +11,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["[1][0]" function] ["/[1]" // @@ -28,7 +28,7 @@ (def .public (generate archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (//////phase#in ( value))]) @@ -45,12 +45,12 @@ ( generate archive value)]) ([////synthesis.variant /structure.variant] [////synthesis.tuple /structure.tuple] - [////synthesis.branch/let /case.let] - [////synthesis.branch/if /case.if] - [////synthesis.branch/get /case.get] + [////synthesis.branch/let /when.let] + [////synthesis.branch/if /when.if] + [////synthesis.branch/get /when.get] [////synthesis.function/apply /function.apply] - [////synthesis.branch/case /case.case] + [////synthesis.branch/when /when.when] [////synthesis.loop/scope /loop.scope] [////synthesis.loop/again /loop.again] [////synthesis.function/abstraction /function.function]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/case.lux deleted file mode 100644 index cd5ef69ad..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/case.lux +++ /dev/null @@ -1,263 +0,0 @@ -(.require - [library - [lux (.except case let if) - [abstract - ["[0]" monad (.only do)]] - [data - ["[0]" text (.only) - ["%" \\format (.only format)]] - [collection - ["[0]" list (.use "[1]#[0]" functor mix monoid)] - ["[0]" set]]] - [math - [number - ["n" nat]]] - [meta - [macro - ["^" pattern]] - [target - ["_" common_lisp (.only Expression Var/1)]]]]] - ["[0]" // - ["[1][0]" runtime (.only Operation Phase Generator)] - ["[1][0]" reference] - ["[1][0]" primitive] - ["/[1]" // - ["[1][0]" reference] - ["/[1]" // - ["[1][0]" synthesis - ["[1]/[0]" case]] - ["/[1]" // - ["[1][0]" synthesis (.only Member Synthesis Path)] - ["[1][0]" generation] - ["//[1]" /// - [reference - ["[1][0]" variable (.only Register)]] - ["[1][0]" phase (.use "[1]#[0]" monad)] - [meta - [archive (.only Archive)]]]]]]]) - -(def .public register - (-> Register Var/1) - (|>> (///reference.local //reference.system) as_expected)) - -(def .public capture - (-> Register Var/1) - (|>> (///reference.foreign //reference.system) as_expected)) - -(def .public (let expression archive [valueS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueG (expression archive valueS) - bodyG (expression archive bodyS)] - (in (_.let (list [(..register register) valueG]) - (list bodyG))))) - -(def .public (if expression archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testG (expression archive testS) - thenG (expression archive thenS) - elseG (expression archive elseS)] - (in (_.if testG thenG elseG)))) - -(def .public (get expression archive [pathP valueS]) - (Generator [(List Member) Synthesis]) - (do ///////phase.monad - [valueG (expression archive valueS)] - (in (list#mix (function (_ side source) - (.let [method (.case side - (^.with_template [ ] - [( lefts) - ( (_.int (.int lefts)))]) - ([.#Left //runtime.tuple//left] - [.#Right //runtime.tuple//right]))] - (method source))) - valueG - pathP)))) - -(def @savepoint (_.var "lux_pm_savepoint")) -(def @cursor (_.var "lux_pm_cursor")) -(def @temp (_.var "lux_pm_temp")) -(def @variant (_.var "lux_pm_variant")) - -(def (push! value) - (-> (Expression Any) (Expression Any)) - (_.setq @cursor (_.cons/2 [value @cursor]))) - -(def pop! - (Expression Any) - (_.setq @cursor (_.cdr/1 @cursor))) - -(def peek - (Expression Any) - (_.car/1 @cursor)) - -(def save! - (Expression Any) - (_.setq @savepoint (_.cons/2 [@cursor @savepoint]))) - -(def restore! - (List (Expression Any)) - (list (_.setq @cursor (_.car/1 @savepoint)) - (_.setq @savepoint (_.cdr/1 @savepoint)))) - -(def (multi_pop! pops) - (-> Nat (Expression Any)) - (_.setq @cursor (_.nthcdr/2 [(_.int (.int pops)) @cursor]))) - -(with_template [ ] - [(def ( @fail simple? idx next!) - (-> _.Tag Bit Nat (Maybe (Expression Any)) (Expression Any)) - (.let [ (_.eq/2 [@variant @temp])] - (_.let (list [@variant ..peek]) - (list.partial (_.setq @temp (|> idx .int _.int (//runtime.sum//get @variant ))) - (.if simple? - (_.when - (_.go @fail)) - (_.if - (_.go @fail) - (..push! @temp))) - (.case next! - {.#Some next!} - (list next!) - - {.#None} - (list))))))] - - [left_choice _.nil (<|)] - [right_choice (_.string "") ++] - ) - -(def (alternation @otherwise pre! post!) - (-> _.Tag (Expression Any) (Expression Any) (Expression Any)) - (_.tagbody (all list#composite - (list ..save! - pre! - @otherwise) - ..restore! - (list post!)))) - -(def (pattern_matching' expression archive) - (Generator [Var/1 _.Tag _.Tag Path]) - (function (again [$output @done @fail pathP]) - (.case pathP - (/////synthesis.path/then bodyS) - (at ///////phase.monad each - (function (_ outputV) - (_.progn (list (_.setq $output outputV) - (_.go @done)))) - (expression archive bodyS)) - - {/////synthesis.#Pop} - (///////phase#in ..pop!) - - {/////synthesis.#Bind register} - (///////phase#in (_.setq (..register register) ..peek)) - - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again [$output @done @fail thenP]) - else! (.case elseP - {.#Some elseP} - (again [$output @done @fail elseP]) - - {.#None} - (in (_.go @fail)))] - (in (.if when - (_.if ..peek - then! - else!) - (_.if ..peek - else! - then!)))) - - (^.with_template [ <=>] - [{ item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (do ! - [then! (again [$output @done @fail then])] - (in [(<=> [(|> match ) - ..peek]) - then!]))) - {.#Item item})] - (in (list#mix (function (_ [when then] else) - (_.if when then else)) - (_.go @fail) - clauses)))]) - ([/////synthesis.#I64_Fork //primitive.i64 _.=/2] - [/////synthesis.#F64_Fork //primitive.f64 _.=/2] - [/////synthesis.#Text_Fork //primitive.text _.string=/2]) - - (^.with_template [ ] - [( idx) - (///////phase#in ( @fail false idx {.#None})) - - ( idx nextP) - (|> nextP - [$output @done @fail] again - (at ///////phase.monad each (|>> {.#Some} ( @fail true idx))))]) - ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] - [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) - - (/////synthesis.member/left 0) - (///////phase#in (..push! (_.elt/2 [..peek (_.int +0)]))) - - (^.with_template [ ] - [( lefts) - (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) - ([/////synthesis.member/left //runtime.tuple//left] - [/////synthesis.member/right //runtime.tuple//right]) - - (/////synthesis.!multi_pop nextP) - (.let [[extra_pops nextP'] (////synthesis/case.count_pops nextP)] - (do ///////phase.monad - [next! (again [$output @done @fail nextP'])] - (///////phase#in (_.progn (list (..multi_pop! (n.+ 2 extra_pops)) - next!))))) - - (/////synthesis.path/alt preP postP) - (do [! ///////phase.monad] - [@otherwise (at ! each (|>> %.nat (format "lux_case_otherwise") _.tag) /////generation.next) - pre! (again [$output @done @otherwise preP]) - post! (again [$output @done @fail postP])] - (in (..alternation @otherwise pre! post!))) - - (/////synthesis.path/seq preP postP) - (do ///////phase.monad - [pre! (again [$output @done @fail preP]) - post! (again [$output @done @fail postP])] - (in (_.progn (list pre! post!))))))) - -(def (pattern_matching $output expression archive pathP) - (-> Var/1 (Generator Path)) - (do [! ///////phase.monad] - [@done (at ! each (|>> %.nat (format "lux_case_done") _.tag) /////generation.next) - @fail (at ! each (|>> %.nat (format "lux_case_fail") _.tag) /////generation.next) - pattern_matching! (pattern_matching' expression archive [$output @done @fail pathP])] - (in (_.tagbody - (list pattern_matching! - @fail - (_.error/1 (_.string ////synthesis/case.pattern_matching_error)) - @done))))) - -(def .public (case expression archive [valueS pathP]) - (Generator [Synthesis Path]) - (do [! ///////phase.monad] - [initG (expression archive valueS) - $output (at ! each (|>> %.nat (format "lux_case_output") _.var) /////generation.next) - pattern_matching! (pattern_matching $output expression archive pathP) - .let [storage (|> pathP - ////synthesis/case.storage - (the ////synthesis/case.#bindings) - set.list - (list#each (function (_ register) - [(..register register) - _.nil])))]] - (in (_.let (list.partial [@cursor (_.list/* (list initG))] - [@savepoint (_.list/* (list))] - [@temp _.nil] - [$output _.nil] - storage) - (list pattern_matching! - $output))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/function.lux index 6b6fd617d..5a9e65883 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/function.lux @@ -17,7 +17,7 @@ ["[0]" // ["[1][0]" runtime (.only Operation Phase Generator)] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["//[1]" /// @@ -43,7 +43,7 @@ (def (with_closure inits function_definition) (-> (List (Expression Any)) (Expression Any) (Operation (Expression Any))) - (case inits + (when inits {.#End} (at ///////phase.monad in function_definition) @@ -57,7 +57,7 @@ (_.funcall/+ [(_.function/1 @closure) inits])))))) (def input - (|>> ++ //case.register)) + (|>> ++ //when.register)) (def .public (function expression archive [environment arity bodyS]) (Generator (Abstraction Synthesis)) @@ -73,7 +73,7 @@ arityG (|> arity .int _.int) @num_args (_.var "num_args") @self (_.var (///reference.artifact function_name)) - initialize_self! [(//case.register 0) (_.function/1 @self)] + initialize_self! [(//when.register 0) (_.function/1 @self)] initialize! [(|> (list.indices arity) (list#each ..input) _.args) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/loop.lux index ad1f110de..d2dcb8802 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/loop.lux @@ -17,12 +17,12 @@ ["_" common_lisp (.only Expression)]]]]] ["[0]" // [runtime (.only Operation Phase Generator)] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["/[1]" // [synthesis - ["[0]" case]] + ["[0]" when]] ["/[1]" // ["[0]"synthesis (.only Scope Synthesis)] ["[1][0]" generation] @@ -35,7 +35,7 @@ (def .public (scope expression archive [start initsS+ bodyS]) (Generator (Scope Synthesis)) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (expression archive bodyS) @@ -52,7 +52,7 @@ (in (_.let (|> initsG+ list.enumeration (list#each (function (_ [idx init]) - [(|> idx (n.+ start) //case.register) + [(|> idx (n.+ start) //when.register) init])) (list.partial [@output _.nil])) (list (_.tagbody (list @scope @@ -66,7 +66,7 @@ argsO+ (monad.each ! (expression archive) argsS+) .let [bindings (|> argsO+ list.enumeration - (list#each (|>> product.left (n.+ offset) //case.register)) + (list#each (|>> product.left (n.+ offset) //when.register)) _.args)]] (in (_.progn (list (_.multiple_value_setq bindings (_.values/* argsO+)) (_.go tag)))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/runtime.lux index 77f1e5cfd..9294d4335 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/runtime.lux @@ -110,7 +110,7 @@ (macro.with_symbols [g!_] (let [runtime (code.local (///reference.artifact [..module_id runtime_id])) runtime_name (` (_.var (, (code.text (%.code runtime)))))] - (case declaration + (when declaration {.#Left name} (let [g!name (code.local name) code_nameC (code.local (format "@" name))] diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/structure.lux index af4d6023b..c4aabc6f2 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/structure.lux @@ -17,7 +17,7 @@ (def .public (tuple expression archive elemsS+) (Generator (Tuple Synthesis)) - (case elemsS+ + (when elemsS+ {.#End} (///////phase#in (//primitive.text /////synthesis.unit)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/when.lux new file mode 100644 index 000000000..731102b94 --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/common_lisp/when.lux @@ -0,0 +1,263 @@ +(.require + [library + [lux (.except when let if) + [abstract + ["[0]" monad (.only do)]] + [data + ["[0]" text (.only) + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" functor mix monoid)] + ["[0]" set]]] + [math + [number + ["n" nat]]] + [meta + [macro + ["^" pattern]] + [target + ["_" common_lisp (.only Expression Var/1)]]]]] + ["[0]" // + ["[1][0]" runtime (.only Operation Phase Generator)] + ["[1][0]" reference] + ["[1][0]" primitive] + ["/[1]" // + ["[1][0]" reference] + ["/[1]" // + ["[1][0]" synthesis + ["[1]/[0]" when]] + ["/[1]" // + ["[1][0]" synthesis (.only Member Synthesis Path)] + ["[1][0]" generation] + ["//[1]" /// + [reference + ["[1][0]" variable (.only Register)]] + ["[1][0]" phase (.use "[1]#[0]" monad)] + [meta + [archive (.only Archive)]]]]]]]) + +(def .public register + (-> Register Var/1) + (|>> (///reference.local //reference.system) as_expected)) + +(def .public capture + (-> Register Var/1) + (|>> (///reference.foreign //reference.system) as_expected)) + +(def .public (let expression archive [valueS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueG (expression archive valueS) + bodyG (expression archive bodyS)] + (in (_.let (list [(..register register) valueG]) + (list bodyG))))) + +(def .public (if expression archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testG (expression archive testS) + thenG (expression archive thenS) + elseG (expression archive elseS)] + (in (_.if testG thenG elseG)))) + +(def .public (get expression archive [pathP valueS]) + (Generator [(List Member) Synthesis]) + (do ///////phase.monad + [valueG (expression archive valueS)] + (in (list#mix (function (_ side source) + (.let [method (.when side + (^.with_template [ ] + [( lefts) + ( (_.int (.int lefts)))]) + ([.#Left //runtime.tuple//left] + [.#Right //runtime.tuple//right]))] + (method source))) + valueG + pathP)))) + +(def @savepoint (_.var "lux_pm_savepoint")) +(def @cursor (_.var "lux_pm_cursor")) +(def @temp (_.var "lux_pm_temp")) +(def @variant (_.var "lux_pm_variant")) + +(def (push! value) + (-> (Expression Any) (Expression Any)) + (_.setq @cursor (_.cons/2 [value @cursor]))) + +(def pop! + (Expression Any) + (_.setq @cursor (_.cdr/1 @cursor))) + +(def peek + (Expression Any) + (_.car/1 @cursor)) + +(def save! + (Expression Any) + (_.setq @savepoint (_.cons/2 [@cursor @savepoint]))) + +(def restore! + (List (Expression Any)) + (list (_.setq @cursor (_.car/1 @savepoint)) + (_.setq @savepoint (_.cdr/1 @savepoint)))) + +(def (multi_pop! pops) + (-> Nat (Expression Any)) + (_.setq @cursor (_.nthcdr/2 [(_.int (.int pops)) @cursor]))) + +(with_template [ ] + [(def ( @fail simple? idx next!) + (-> _.Tag Bit Nat (Maybe (Expression Any)) (Expression Any)) + (.let [ (_.eq/2 [@variant @temp])] + (_.let (list [@variant ..peek]) + (list.partial (_.setq @temp (|> idx .int _.int (//runtime.sum//get @variant ))) + (.if simple? + (_.when + (_.go @fail)) + (_.if + (_.go @fail) + (..push! @temp))) + (.when next! + {.#Some next!} + (list next!) + + {.#None} + (list))))))] + + [left_choice _.nil (<|)] + [right_choice (_.string "") ++] + ) + +(def (alternation @otherwise pre! post!) + (-> _.Tag (Expression Any) (Expression Any) (Expression Any)) + (_.tagbody (all list#composite + (list ..save! + pre! + @otherwise) + ..restore! + (list post!)))) + +(def (pattern_matching' expression archive) + (Generator [Var/1 _.Tag _.Tag Path]) + (function (again [$output @done @fail pathP]) + (.when pathP + (/////synthesis.path/then bodyS) + (at ///////phase.monad each + (function (_ outputV) + (_.progn (list (_.setq $output outputV) + (_.go @done)))) + (expression archive bodyS)) + + {/////synthesis.#Pop} + (///////phase#in ..pop!) + + {/////synthesis.#Bind register} + (///////phase#in (_.setq (..register register) ..peek)) + + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again [$output @done @fail thenP]) + else! (.when elseP + {.#Some elseP} + (again [$output @done @fail elseP]) + + {.#None} + (in (_.go @fail)))] + (in (.if when + (_.if ..peek + then! + else!) + (_.if ..peek + else! + then!)))) + + (^.with_template [ <=>] + [{ item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (do ! + [then! (again [$output @done @fail then])] + (in [(<=> [(|> match ) + ..peek]) + then!]))) + {.#Item item})] + (in (list#mix (function (_ [when then] else) + (_.if when then else)) + (_.go @fail) + clauses)))]) + ([/////synthesis.#I64_Fork //primitive.i64 _.=/2] + [/////synthesis.#F64_Fork //primitive.f64 _.=/2] + [/////synthesis.#Text_Fork //primitive.text _.string=/2]) + + (^.with_template [ ] + [( idx) + (///////phase#in ( @fail false idx {.#None})) + + ( idx nextP) + (|> nextP + [$output @done @fail] again + (at ///////phase.monad each (|>> {.#Some} ( @fail true idx))))]) + ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] + [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) + + (/////synthesis.member/left 0) + (///////phase#in (..push! (_.elt/2 [..peek (_.int +0)]))) + + (^.with_template [ ] + [( lefts) + (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) + ([/////synthesis.member/left //runtime.tuple//left] + [/////synthesis.member/right //runtime.tuple//right]) + + (/////synthesis.!multi_pop nextP) + (.let [[extra_pops nextP'] (////synthesis/when.count_pops nextP)] + (do ///////phase.monad + [next! (again [$output @done @fail nextP'])] + (///////phase#in (_.progn (list (..multi_pop! (n.+ 2 extra_pops)) + next!))))) + + (/////synthesis.path/alt preP postP) + (do [! ///////phase.monad] + [@otherwise (at ! each (|>> %.nat (format "lux_when_otherwise") _.tag) /////generation.next) + pre! (again [$output @done @otherwise preP]) + post! (again [$output @done @fail postP])] + (in (..alternation @otherwise pre! post!))) + + (/////synthesis.path/seq preP postP) + (do ///////phase.monad + [pre! (again [$output @done @fail preP]) + post! (again [$output @done @fail postP])] + (in (_.progn (list pre! post!))))))) + +(def (pattern_matching $output expression archive pathP) + (-> Var/1 (Generator Path)) + (do [! ///////phase.monad] + [@done (at ! each (|>> %.nat (format "lux_when_done") _.tag) /////generation.next) + @fail (at ! each (|>> %.nat (format "lux_when_fail") _.tag) /////generation.next) + pattern_matching! (pattern_matching' expression archive [$output @done @fail pathP])] + (in (_.tagbody + (list pattern_matching! + @fail + (_.error/1 (_.string ////synthesis/when.pattern_matching_error)) + @done))))) + +(def .public (when expression archive [valueS pathP]) + (Generator [Synthesis Path]) + (do [! ///////phase.monad] + [initG (expression archive valueS) + $output (at ! each (|>> %.nat (format "lux_when_output") _.var) /////generation.next) + pattern_matching! (pattern_matching $output expression archive pathP) + .let [storage (|> pathP + ////synthesis/when.storage + (the ////synthesis/when.#bindings) + set.list + (list#each (function (_ register) + [(..register register) + _.nil])))]] + (in (_.let (list.partial [@cursor (_.list/* (list initG))] + [@savepoint (_.list/* (list))] + [@temp _.nil] + [$output _.nil] + storage) + (list pattern_matching! + $output))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/extension.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/extension.lux index 9d2c7e1db..3566da9bf 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/extension.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/extension.lux @@ -39,7 +39,7 @@ (generation.Handler (, g!anchor) (, g!expression) (, g!declaration)))) (function ((, g!_) (, g!extension)) (function ((, g!_) (, g!name) (, g!phase) (, g!archive) (, g!inputs)) - (case (, g!inputs) + (when (, g!inputs) (list (,* g!input+)) (do ///.monad [(,* (|> g!input+ diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js.lux index 864edbf16..009b99257 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js.lux @@ -15,7 +15,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["[1][0]" function] ["/[1]" // @@ -37,7 +37,7 @@ (def (expression archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (//////phase#in ( value))]) @@ -55,20 +55,20 @@ {synthesis.#Reference value} (//reference.reference /reference.system archive value) - (synthesis.branch/case case) - (/case.case ///extension/common.statement expression archive case) + (synthesis.branch/when when) + (/when.when ///extension/common.statement expression archive when) (synthesis.branch/exec it) - (/case.exec expression archive it) + (/when.exec expression archive it) (synthesis.branch/let let) - (/case.let expression archive let) + (/when.let expression archive let) (synthesis.branch/if if) - (/case.if expression archive if) + (/when.if expression archive if) (synthesis.branch/get get) - (/case.get expression archive get) + (/when.get expression archive get) (synthesis.loop/scope scope) (/loop.scope ///extension/common.statement expression archive scope) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/case.lux deleted file mode 100644 index f8b30c1f9..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/case.lux +++ /dev/null @@ -1,346 +0,0 @@ -(.require - [library - [lux (.except case exec let if) - [abstract - ["[0]" monad (.only do)]] - [control - ["[0]" maybe]] - [data - ["[0]" text] - [collection - ["[0]" list (.use "[1]#[0]" functor mix)]]] - [math - [number - ["n" nat]]] - [meta - [macro - ["^" pattern]] - [target - ["_" js (.only Expression Computation Var Statement)]]]]] - ["[0]" // - ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)] - ["[1][0]" reference] - ["[1][0]" primitive] - ["/[1]" // - ["[1][0]" reference] - ["/[1]" // - ["[1][0]" synthesis - ["[1]/[0]" case]] - ["/[1]" // - ["[1][0]" synthesis (.only Synthesis Path) - [access - ["[0]" member (.only Member)]]] - ["//[1]" /// - [reference - [variable (.only Register)]] - ["[1][0]" phase (.use "[1]#[0]" monad)] - [meta - [archive (.only Archive)]]]]]]]) - -(def .public register - (-> Register Var) - (|>> (///reference.local //reference.system) as_expected)) - -(def .public (exec expression archive [this that]) - (Generator [Synthesis Synthesis]) - (do ///////phase.monad - [this (expression archive this) - that (expression archive that)] - (in (|> (_.array (list this that)) - (_.at (_.int +1)))))) - -(def .public (exec! statement expression archive [this that]) - (Generator! [Synthesis Synthesis]) - (do ///////phase.monad - [this (expression archive this) - that (statement expression archive that)] - (in (all _.then - (_.statement this) - that)))) - -(def .public (let expression archive [valueS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (expression archive bodyS)] - ... TODO: Find some way to do 'let' without paying the price of the closure. - (in (_.apply (_.closure (list (..register register)) - (_.return bodyO)) - (list valueO))))) - -(def .public (let! statement expression archive [valueS register bodyS]) - (Generator! [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (statement expression archive bodyS)] - (in (all _.then - (_.define (..register register) valueO) - bodyO)))) - -(def .public (if expression archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testO (expression archive testS) - thenO (expression archive thenS) - elseO (expression archive elseS)] - (in (_.? testO thenO elseO)))) - -(def .public (if! statement expression archive [testS thenS elseS]) - (Generator! [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testO (expression archive testS) - thenO (statement expression archive thenS) - elseO (statement expression archive elseS)] - (in (_.if testO - thenO - elseO)))) - -(def .public (get expression archive [pathP valueS]) - (Generator [(List Member) Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS)] - (in (list#mix (function (_ side source) - (.let [method (.if (the member.#right? side) - (//runtime.tuple//right (_.i32 (.int (the member.#lefts side)))) - (//runtime.tuple//left (_.i32 (.int (the member.#lefts side)))))] - (method source))) - valueO - (list.reversed pathP))))) - -(def @savepoint (_.var "lux_pm_cursor_savepoint")) -(def @cursor (_.var "lux_pm_cursor")) -(def @temp (_.var "lux_pm_temp")) - -(def (push_cursor! value) - (-> Expression Statement) - (_.statement (|> @cursor (_.do "push" (list value))))) - -(def peek_and_pop_cursor - Expression - (|> @cursor (_.do "pop" (list)))) - -(def pop_cursor! - Statement - (_.statement ..peek_and_pop_cursor)) - -(def length - (|>> (_.the "length"))) - -(def last_index - (|>> ..length (_.- (_.i32 +1)))) - -(def peek_cursor - Expression - (|> @cursor (_.at (last_index @cursor)))) - -(def save_cursor! - Statement - (.let [cursor (|> @cursor (_.do "slice" (list)))] - (_.statement (|> @savepoint (_.do "push" (list cursor)))))) - -(def restore_cursor! - Statement - (_.set @cursor (|> @savepoint (_.do "pop" (list))))) - -(def fail_pm! _.break) - -(def (multi_pop_cursor! pops) - (-> Nat Statement) - (.let [popsJS (_.i32 (.int pops))] - (_.statement (|> @cursor (_.do "splice" (list (|> @cursor ..length (_.- popsJS)) - popsJS)))))) - -(with_template [ ] - [(def ( simple? idx) - (-> Bit Nat Statement) - (all _.then - (_.set @temp (//runtime.sum//get ..peek_cursor - (|> idx .int _.i32))) - (.if simple? - (_.when (_.= _.null @temp) - ..fail_pm!) - (_.if (_.= _.null @temp) - ..fail_pm! - (push_cursor! @temp)))))] - - [left_choice _.null] - [right_choice //runtime.unit] - ) - -(def (alternation pre! post!) - (-> Statement Statement Statement) - (all _.then - (_.do_while (_.boolean false) - (all _.then - ..save_cursor! - pre!)) - (all _.then - ..restore_cursor! - post!))) - -(def (optimized_pattern_matching again pathP) - (-> (-> Path (Operation Statement)) - (-> Path (Operation (Maybe Statement)))) - (.case pathP - (^.with_template [ ] - [( idx nextP) - (|> nextP - again - (at ///////phase.monad each (|>> (_.then ( true idx)) {.#Some})))]) - ([/////synthesis.simple_left_side ..left_choice] - [/////synthesis.simple_right_side ..right_choice]) - - (/////synthesis.member/left 0) - (///////phase#in {.#Some (push_cursor! (_.at (_.i32 +0) ..peek_cursor))}) - - ... Extra optimization - (/////synthesis.path/seq - (/////synthesis.member/left 0) - (/////synthesis.!bind_top register thenP)) - (do ///////phase.monad - [then! (again thenP)] - (in {.#Some (all _.then - (_.define (..register register) (_.at (_.i32 +0) ..peek_cursor)) - then!)})) - - ... Extra optimization - (^.with_template [ ] - [(/////synthesis.path/seq - ( lefts) - (/////synthesis.!bind_top register thenP)) - (do ///////phase.monad - [then! (again thenP)] - (in {.#Some (all _.then - (_.define (..register register) ( (_.i32 (.int lefts)) ..peek_cursor)) - then!)}))]) - ([/////synthesis.member/left //runtime.tuple//left] - [/////synthesis.member/right //runtime.tuple//right]) - - (/////synthesis.!bind_top register thenP) - (do ///////phase.monad - [then! (again thenP)] - (in {.#Some (all _.then - (_.define (..register register) ..peek_and_pop_cursor) - then!)})) - - (/////synthesis.!multi_pop nextP) - (.let [[extra_pops nextP'] (////synthesis/case.count_pops nextP)] - (do ///////phase.monad - [next! (again nextP')] - (in {.#Some (all _.then - (multi_pop_cursor! (n.+ 2 extra_pops)) - next!)}))) - - _ - (///////phase#in {.#None}))) - -(def (pattern_matching' statement expression archive) - (-> Phase! Phase Archive - (-> Path (Operation Statement))) - (function (again pathP) - (do ///////phase.monad - [outcome (optimized_pattern_matching again pathP)] - (.case outcome - {.#Some outcome} - (in outcome) - - {.#None} - (.case pathP - {/////synthesis.#Then bodyS} - (statement expression archive bodyS) - - {/////synthesis.#Pop} - (///////phase#in pop_cursor!) - - {/////synthesis.#Bind register} - (///////phase#in (_.define (..register register) ..peek_cursor)) - - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in ..fail_pm!))] - (in (.if when - (_.if ..peek_cursor - then! - else!) - (_.if ..peek_cursor - else! - then!)))) - - {/////synthesis.#I64_Fork item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (do ! - [then! (again then)] - (in [(//runtime.i64::= (//primitive.i64 (.int match)) - ..peek_cursor) - then!]))) - {.#Item item})] - (in (list#mix (function (_ [when then] else) - (_.if when then else)) - ..fail_pm! - clauses))) - - (^.with_template [ ] - [{ item} - (do [! ///////phase.monad] - [cases (monad.each ! (function (_ [match then]) - (at ! each (|>> [(list ( match))]) (again then))) - {.#Item item})] - (in (_.switch ..peek_cursor - cases - {.#Some ..fail_pm!})))]) - ([/////synthesis.#F64_Fork //primitive.f64] - [/////synthesis.#Text_Fork //primitive.text]) - - (^.with_template [ ] - [( idx) - (///////phase#in ( false idx))]) - ([/////synthesis.side/left ..left_choice] - [/////synthesis.side/right ..right_choice]) - - (^.with_template [ ] - [( lefts) - (///////phase#in (push_cursor! ( (_.i32 (.int lefts)) ..peek_cursor)))]) - ([/////synthesis.member/left //runtime.tuple//left] - [/////synthesis.member/right //runtime.tuple//right]) - - (^.with_template [ ] - [( leftP rightP) - (do ///////phase.monad - [left! (again leftP) - right! (again rightP)] - (in ( left! right!)))]) - ([/////synthesis.path/seq _.then] - [/////synthesis.path/alt ..alternation])))))) - -(def (pattern_matching statement expression archive pathP) - (-> Phase! Phase Archive Path (Operation Statement)) - (do ///////phase.monad - [pattern_matching! (pattern_matching' statement expression archive pathP)] - (in (all _.then - (_.do_while (_.boolean false) - pattern_matching!) - (_.throw (_.string ////synthesis/case.pattern_matching_error)))))) - -(def .public (case! statement expression archive [valueS pathP]) - (Generator! [Synthesis Path]) - (do ///////phase.monad - [stack_init (expression archive valueS) - pattern_matching! (pattern_matching statement expression archive pathP)] - (in (all _.then - (_.declare @temp) - (_.define @cursor (_.array (list stack_init))) - (_.define @savepoint (_.array (list))) - pattern_matching!)))) - -(def .public (case statement expression archive [valueS pathP]) - (-> Phase! (Generator [Synthesis Path])) - (do ///////phase.monad - [pattern_matching! (..case! statement expression archive [valueS pathP])] - (in (_.apply (_.closure (list) pattern_matching!) (list))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/function.lux index 5d5cf5e13..f0bb48d3d 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/function.lux @@ -15,7 +15,7 @@ ["[0]" // ["[1][0]" runtime (.only Operation Phase Phase! Generator)] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["//[1]" /// @@ -47,7 +47,7 @@ (def (with_closure @self inits body!) (-> Var (List Expression) Statement [Statement Expression]) - (case inits + (when inits {.#End} [(_.function_definition @self (list) body!) @self] @@ -63,7 +63,7 @@ (_.var "curried")) (def input - (|>> ++ //case.register)) + (|>> ++ //when.register)) (def @@arguments (_.var "arguments")) @@ -88,7 +88,7 @@ @self (_.var (///reference.artifact function_name)) apply_poly (.function (_ args func) (|> func (_.do "apply" (list _.null args)))) - initialize_self! (_.define (//case.register 0) @self) + initialize_self! (_.define (//when.register 0) @self) initialize! (list#mix (.function (_ post pre!) (all _.then pre! diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/loop.lux index bac543584..c475281e4 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/loop.lux @@ -17,7 +17,7 @@ ["_" js (.only Computation Var Expression Statement)]]]]] ["[0]" // [runtime (.only Operation Phase Phase! Generator Generator!)] - ["[1][0]" case] + ["[1][0]" when] ["///[1]" //// [synthesis (.only Scope Synthesis)] ["[1][0]" generation] @@ -36,12 +36,12 @@ (def (setup $iteration initial? offset bindings body) (-> Var Bit Register (List Expression) Statement Statement) - (case bindings + (when bindings (list) body (list binding) - (let [$binding (//case.register offset)] + (let [$binding (//when.register offset)] (all _.then (if initial? (_.define $binding binding) @@ -53,7 +53,7 @@ (|> bindings list.enumeration (list#each (function (_ [register _]) - (let [variable (//case.register (n.+ offset register))] + (let [variable (//when.register (n.+ offset register))] (if initial? (_.define variable (_.at (_.i32 (.int register)) $iteration)) (_.set variable (_.at (_.i32 (.int register)) $iteration)))))) @@ -63,7 +63,7 @@ (def .public (scope! statement expression archive [start initsS+ bodyS]) (Generator! (Scope Synthesis)) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (statement expression archive bodyS) @@ -85,7 +85,7 @@ (def .public (scope statement expression archive [start initsS+ bodyS]) (-> Phase! (Generator (Scope Synthesis))) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (expression archive bodyS) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/runtime.lux index 437f6624d..73a240682 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/runtime.lux @@ -101,7 +101,7 @@ code .any]) (macro.with_symbols [g!_ runtime] (let [runtime_name (` (_.var (, (code.text (%.code runtime)))))] - (case declaration + (when declaration {.#Left name} (let [g!name (code.local name)] (in (list (` (def .public (, g!name) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/structure.lux index e5a492e37..ee1ae1a03 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/structure.lux @@ -18,7 +18,7 @@ (def .public (tuple generate archive elemsS+) (Generator (Tuple Synthesis)) - (case elemsS+ + (when elemsS+ {.#End} (///////phase#in //runtime.unit) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/when.lux new file mode 100644 index 000000000..7487beb55 --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/js/when.lux @@ -0,0 +1,346 @@ +(.require + [library + [lux (.except when exec let if) + [abstract + ["[0]" monad (.only do)]] + [control + ["[0]" maybe]] + [data + ["[0]" text] + [collection + ["[0]" list (.use "[1]#[0]" functor mix)]]] + [math + [number + ["n" nat]]] + [meta + [macro + ["^" pattern]] + [target + ["_" js (.only Expression Computation Var Statement)]]]]] + ["[0]" // + ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)] + ["[1][0]" reference] + ["[1][0]" primitive] + ["/[1]" // + ["[1][0]" reference] + ["/[1]" // + ["[1][0]" synthesis + ["[1]/[0]" when]] + ["/[1]" // + ["[1][0]" synthesis (.only Synthesis Path) + [access + ["[0]" member (.only Member)]]] + ["//[1]" /// + [reference + [variable (.only Register)]] + ["[1][0]" phase (.use "[1]#[0]" monad)] + [meta + [archive (.only Archive)]]]]]]]) + +(def .public register + (-> Register Var) + (|>> (///reference.local //reference.system) as_expected)) + +(def .public (exec expression archive [this that]) + (Generator [Synthesis Synthesis]) + (do ///////phase.monad + [this (expression archive this) + that (expression archive that)] + (in (|> (_.array (list this that)) + (_.at (_.int +1)))))) + +(def .public (exec! statement expression archive [this that]) + (Generator! [Synthesis Synthesis]) + (do ///////phase.monad + [this (expression archive this) + that (statement expression archive that)] + (in (all _.then + (_.statement this) + that)))) + +(def .public (let expression archive [valueS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (expression archive bodyS)] + ... TODO: Find some way to do 'let' without paying the price of the closure. + (in (_.apply (_.closure (list (..register register)) + (_.return bodyO)) + (list valueO))))) + +(def .public (let! statement expression archive [valueS register bodyS]) + (Generator! [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (statement expression archive bodyS)] + (in (all _.then + (_.define (..register register) valueO) + bodyO)))) + +(def .public (if expression archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testO (expression archive testS) + thenO (expression archive thenS) + elseO (expression archive elseS)] + (in (_.? testO thenO elseO)))) + +(def .public (if! statement expression archive [testS thenS elseS]) + (Generator! [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testO (expression archive testS) + thenO (statement expression archive thenS) + elseO (statement expression archive elseS)] + (in (_.if testO + thenO + elseO)))) + +(def .public (get expression archive [pathP valueS]) + (Generator [(List Member) Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS)] + (in (list#mix (function (_ side source) + (.let [method (.if (the member.#right? side) + (//runtime.tuple//right (_.i32 (.int (the member.#lefts side)))) + (//runtime.tuple//left (_.i32 (.int (the member.#lefts side)))))] + (method source))) + valueO + (list.reversed pathP))))) + +(def @savepoint (_.var "lux_pm_cursor_savepoint")) +(def @cursor (_.var "lux_pm_cursor")) +(def @temp (_.var "lux_pm_temp")) + +(def (push_cursor! value) + (-> Expression Statement) + (_.statement (|> @cursor (_.do "push" (list value))))) + +(def peek_and_pop_cursor + Expression + (|> @cursor (_.do "pop" (list)))) + +(def pop_cursor! + Statement + (_.statement ..peek_and_pop_cursor)) + +(def length + (|>> (_.the "length"))) + +(def last_index + (|>> ..length (_.- (_.i32 +1)))) + +(def peek_cursor + Expression + (|> @cursor (_.at (last_index @cursor)))) + +(def save_cursor! + Statement + (.let [cursor (|> @cursor (_.do "slice" (list)))] + (_.statement (|> @savepoint (_.do "push" (list cursor)))))) + +(def restore_cursor! + Statement + (_.set @cursor (|> @savepoint (_.do "pop" (list))))) + +(def fail_pm! _.break) + +(def (multi_pop_cursor! pops) + (-> Nat Statement) + (.let [popsJS (_.i32 (.int pops))] + (_.statement (|> @cursor (_.do "splice" (list (|> @cursor ..length (_.- popsJS)) + popsJS)))))) + +(with_template [ ] + [(def ( simple? idx) + (-> Bit Nat Statement) + (all _.then + (_.set @temp (//runtime.sum//get ..peek_cursor + (|> idx .int _.i32))) + (.if simple? + (_.when (_.= _.null @temp) + ..fail_pm!) + (_.if (_.= _.null @temp) + ..fail_pm! + (push_cursor! @temp)))))] + + [left_choice _.null] + [right_choice //runtime.unit] + ) + +(def (alternation pre! post!) + (-> Statement Statement Statement) + (all _.then + (_.do_while (_.boolean false) + (all _.then + ..save_cursor! + pre!)) + (all _.then + ..restore_cursor! + post!))) + +(def (optimized_pattern_matching again pathP) + (-> (-> Path (Operation Statement)) + (-> Path (Operation (Maybe Statement)))) + (.when pathP + (^.with_template [ ] + [( idx nextP) + (|> nextP + again + (at ///////phase.monad each (|>> (_.then ( true idx)) {.#Some})))]) + ([/////synthesis.simple_left_side ..left_choice] + [/////synthesis.simple_right_side ..right_choice]) + + (/////synthesis.member/left 0) + (///////phase#in {.#Some (push_cursor! (_.at (_.i32 +0) ..peek_cursor))}) + + ... Extra optimization + (/////synthesis.path/seq + (/////synthesis.member/left 0) + (/////synthesis.!bind_top register thenP)) + (do ///////phase.monad + [then! (again thenP)] + (in {.#Some (all _.then + (_.define (..register register) (_.at (_.i32 +0) ..peek_cursor)) + then!)})) + + ... Extra optimization + (^.with_template [ ] + [(/////synthesis.path/seq + ( lefts) + (/////synthesis.!bind_top register thenP)) + (do ///////phase.monad + [then! (again thenP)] + (in {.#Some (all _.then + (_.define (..register register) ( (_.i32 (.int lefts)) ..peek_cursor)) + then!)}))]) + ([/////synthesis.member/left //runtime.tuple//left] + [/////synthesis.member/right //runtime.tuple//right]) + + (/////synthesis.!bind_top register thenP) + (do ///////phase.monad + [then! (again thenP)] + (in {.#Some (all _.then + (_.define (..register register) ..peek_and_pop_cursor) + then!)})) + + (/////synthesis.!multi_pop nextP) + (.let [[extra_pops nextP'] (////synthesis/when.count_pops nextP)] + (do ///////phase.monad + [next! (again nextP')] + (in {.#Some (all _.then + (multi_pop_cursor! (n.+ 2 extra_pops)) + next!)}))) + + _ + (///////phase#in {.#None}))) + +(def (pattern_matching' statement expression archive) + (-> Phase! Phase Archive + (-> Path (Operation Statement))) + (function (again pathP) + (do ///////phase.monad + [outcome (optimized_pattern_matching again pathP)] + (.when outcome + {.#Some outcome} + (in outcome) + + {.#None} + (.when pathP + {/////synthesis.#Then bodyS} + (statement expression archive bodyS) + + {/////synthesis.#Pop} + (///////phase#in pop_cursor!) + + {/////synthesis.#Bind register} + (///////phase#in (_.define (..register register) ..peek_cursor)) + + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in ..fail_pm!))] + (in (.if when + (_.if ..peek_cursor + then! + else!) + (_.if ..peek_cursor + else! + then!)))) + + {/////synthesis.#I64_Fork item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (do ! + [then! (again then)] + (in [(//runtime.i64::= (//primitive.i64 (.int match)) + ..peek_cursor) + then!]))) + {.#Item item})] + (in (list#mix (function (_ [when then] else) + (_.if when then else)) + ..fail_pm! + clauses))) + + (^.with_template [ ] + [{ item} + (do [! ///////phase.monad] + [cases (monad.each ! (function (_ [match then]) + (at ! each (|>> [(list ( match))]) (again then))) + {.#Item item})] + (in (_.switch ..peek_cursor + cases + {.#Some ..fail_pm!})))]) + ([/////synthesis.#F64_Fork //primitive.f64] + [/////synthesis.#Text_Fork //primitive.text]) + + (^.with_template [ ] + [( idx) + (///////phase#in ( false idx))]) + ([/////synthesis.side/left ..left_choice] + [/////synthesis.side/right ..right_choice]) + + (^.with_template [ ] + [( lefts) + (///////phase#in (push_cursor! ( (_.i32 (.int lefts)) ..peek_cursor)))]) + ([/////synthesis.member/left //runtime.tuple//left] + [/////synthesis.member/right //runtime.tuple//right]) + + (^.with_template [ ] + [( leftP rightP) + (do ///////phase.monad + [left! (again leftP) + right! (again rightP)] + (in ( left! right!)))]) + ([/////synthesis.path/seq _.then] + [/////synthesis.path/alt ..alternation])))))) + +(def (pattern_matching statement expression archive pathP) + (-> Phase! Phase Archive Path (Operation Statement)) + (do ///////phase.monad + [pattern_matching! (pattern_matching' statement expression archive pathP)] + (in (all _.then + (_.do_while (_.boolean false) + pattern_matching!) + (_.throw (_.string ////synthesis/when.pattern_matching_error)))))) + +(def .public (when! statement expression archive [valueS pathP]) + (Generator! [Synthesis Path]) + (do ///////phase.monad + [stack_init (expression archive valueS) + pattern_matching! (pattern_matching statement expression archive pathP)] + (in (all _.then + (_.declare @temp) + (_.define @cursor (_.array (list stack_init))) + (_.define @savepoint (_.array (list))) + pattern_matching!)))) + +(def .public (when statement expression archive [valueS pathP]) + (-> Phase! (Generator [Synthesis Path])) + (do ///////phase.monad + [pattern_matching! (..when! statement expression archive [valueS pathP])] + (in (_.apply (_.closure (list) pattern_matching!) (list))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm.lux index b1fa42f27..0b9ec3dba 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm.lux @@ -12,7 +12,7 @@ ["[1][0]" structure] ["[1][0]" reference] ["[1][0]" function] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["//[1]" /// ["[1][0]" extension] @@ -24,7 +24,7 @@ (def .public (generate archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (///#in ( value))]) @@ -40,27 +40,27 @@ (/structure.tuple generate archive members) {synthesis.#Reference reference} - (case reference + (when reference {reference.#Variable variable} (/reference.variable archive variable) {reference.#Constant constant} (/reference.constant archive constant)) - (synthesis.branch/case [valueS pathS]) - (/case.case generate archive [valueS pathS]) + (synthesis.branch/when [valueS pathS]) + (/when.when generate archive [valueS pathS]) (synthesis.branch/exec [this that]) - (/case.exec generate archive [this that]) + (/when.exec generate archive [this that]) (synthesis.branch/let [inputS register bodyS]) - (/case.let generate archive [inputS register bodyS]) + (/when.let generate archive [inputS register bodyS]) (synthesis.branch/if [conditionS thenS elseS]) - (/case.if generate archive [conditionS thenS elseS]) + (/when.if generate archive [conditionS thenS elseS]) (synthesis.branch/get [path recordS]) - (/case.get generate archive [path recordS]) + (/when.get generate archive [path recordS]) (synthesis.loop/scope scope) (/loop.scope generate archive scope) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/case.lux deleted file mode 100644 index f5d258fbb..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/case.lux +++ /dev/null @@ -1,327 +0,0 @@ -(.require - [library - [lux (.except Type Label if let exec case int) - [abstract - ["[0]" monad (.only do)]] - [control - ["[0]" function]] - [data - [collection - ["[0]" list (.use "[1]#[0]" mix)]] - ["[0]" text (.use "[1]#[0]" equivalence) - ["%" \\format (.only format)]]] - [math - [number - ["n" nat] - ["[0]" i32]]] - [meta - [macro - ["^" pattern]] - [target - [jvm - ["_" bytecode (.only Label Bytecode) (.use "[1]#[0]" monad) - [environment - [limit - ["[0]" stack]]]] - ["[0]" type (.only Type) - [category (.only Method)]]]]]]] - ["[0]" // - ["[1][0]" type] - ["[1][0]" runtime (.only Operation Phase Generator)] - ["[1][0]" value] - ["[1][0]" structure] - [//// - ["[0]" generation] - ["[0]" synthesis (.only Path Fork Synthesis) - [access - ["[0]" member (.only Member)]]] - [/// - ["[0]" phase (.use "operation#[0]" monad)] - [reference - [variable (.only Register)]]]]]) - -(def (pop_alt stack_depth) - (-> Nat (Bytecode Any)) - (.case stack_depth - 0 (_#in []) - 1 _.pop - 2 _.pop2 - _ ... (n.> 2) - (all _.composite - _.pop2 - (pop_alt (n.- 2 stack_depth))))) - -(def int - (-> (I64 Any) (Bytecode Any)) - (|>> .i64 i32.i32 _.int)) - -(def long - (-> (I64 Any) (Bytecode Any)) - (|>> .int _.long)) - -(def peek - (Bytecode Any) - (all _.composite - _.dup - (//runtime.get //runtime.stack_head))) - -(def pop - (Bytecode Any) - (all _.composite - (//runtime.get //runtime.stack_tail) - (_.checkcast //type.stack))) - -(def (left_projection lefts) - (-> Nat (Bytecode Any)) - (all _.composite - (_.checkcast //type.tuple) - (..int lefts) - (.case lefts - 0 - _.aaload - - lefts - //runtime.left_projection))) - -(def (right_projection lefts) - (-> Nat (Bytecode Any)) - (all _.composite - (_.checkcast //type.tuple) - (..int lefts) - //runtime.right_projection)) - -(def equals@Object - (.let [class (type.class "java.lang.Object" (list)) - method (type.method [(list) (list //type.value) type.boolean (list)])] - (_.invokevirtual class "equals" method))) - -(def (path|bind register) - (-> Register (Operation (Bytecode Any))) - (operation#in (all _.composite - ..peek - (_.astore register)))) - -(def (path|bit_fork again @else [when thenP elseP]) - (-> (-> Path (Operation (Bytecode Any))) - Label [Bit Path (Maybe Path)] - (Operation (Bytecode Any))) - (do phase.monad - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in (_.goto @else))) - .let [if! (.if when _.ifeq _.ifne)]] - (in (do _.monad - [@else _.new_label] - (all _.composite - ..peek - (//value.unwrap type.boolean) - (if! @else) - then! - (_.set_label @else) - else!))))) - -(with_template [ ] - [(def ( again @else cons) - (-> (-> Path (Operation (Bytecode Any))) - Label (Fork Path) - (Operation (Bytecode Any))) - (do [! phase.monad] - [fork! (monad.mix ! (function (_ [test thenP] else!) - (do ! - [then! (again thenP)] - (in (do _.monad - [@else _.new_label] - (all _.composite - - ( test) - - ( @else) - - then! - (_.set_label @else) - else!))))) - (all _.composite - - (_.goto @else)) - {.#Item cons})] - (in (all _.composite - ..peek - - fork!))))] - - [path|i64_fork (I64 Any) (//value.unwrap type.long) _.dup2 _.pop2 ..long _.lcmp _.ifne] - [path|f64_fork Frac (//value.unwrap type.double) _.dup2 _.pop2 _.double _.dcmpl _.ifne] - [path|text_fork Text (at _.monad in []) _.dup _.pop _.string ..equals@Object _.ifeq] - ) - -(def (path' stack_depth @else @end phase archive) - (-> Nat Label Label (Generator Path)) - (function (again path) - (.case path - {synthesis.#Pop} - (operation#in ..pop) - - {synthesis.#Bind register} - (..path|bind register) - - (^.with_template [ ] - [{ it} - ( again @else it)]) - ([synthesis.#Bit_Fork ..path|bit_fork] - [synthesis.#I64_Fork ..path|i64_fork] - [synthesis.#F64_Fork ..path|f64_fork] - [synthesis.#Text_Fork ..path|text_fork]) - - {synthesis.#Then bodyS} - (do phase.monad - [body! (phase archive bodyS)] - (in (all _.composite - (..pop_alt stack_depth) - body! - (_.when_continuous (_.goto @end))))) - - (synthesis.side lefts right?) - (operation#in - (do _.monad - [@success _.new_label] - (all _.composite - ..peek - (_.checkcast //type.variant) - (//structure.lefts lefts) - (//structure.right? right?) - //runtime.case - _.dup - (_.ifnonnull @success) - _.pop - (_.goto @else) - (_.set_label @success) - //runtime.push))) - - (^.with_template [ ] - [( lefts) - (operation#in (all _.composite - ..peek - ( lefts) - //runtime.push)) - - ... Extra optimization - (synthesis.path/seq - ( lefts) - (synthesis.!bind_top register thenP)) - (do phase.monad - [then! (path' stack_depth @else @end phase archive thenP)] - (in (all _.composite - ..peek - ( lefts) - (_.astore register) - then!)))]) - ([synthesis.member/left ..left_projection] - [synthesis.member/right ..right_projection]) - - {synthesis.#Seq leftP rightP} - (do phase.monad - [left! (path' stack_depth @else @end phase archive leftP) - right! (path' stack_depth @else @end phase archive rightP)] - (in (all _.composite - left! - right!))) - - {synthesis.#Alt leftP rightP} - (do phase.monad - [@alt_else //runtime.forge_label - left! (path' (++ stack_depth) @alt_else @end phase archive leftP) - right! (path' stack_depth @else @end phase archive rightP)] - (in (all _.composite - _.dup - left! - (_.set_label @alt_else) - _.pop - right!))) - ))) - -(def (path @end phase archive path) - (-> Label (Generator Path)) - (do phase.monad - [@else //runtime.forge_label - path! (..path' 1 @else @end phase archive path)] - (in (all _.composite - path! - (<| (_.when_acknowledged @else) - (all _.composite - (_.set_label @else) - //runtime.pm_failure - (_.goto @end) - )) - )))) - -(def .public (if phase archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do phase.monad - [test! (phase archive testS) - then! (phase archive thenS) - else! (phase archive elseS)] - (in (do _.monad - [@else _.new_label - @end _.new_label] - (all _.composite - test! - (//value.unwrap type.boolean) - (_.ifeq @else) - then! - (_.when_continuous (_.goto @end)) - (_.set_label @else) - else! - (<| (_.when_acknowledged @end) - (_.set_label @end))))))) - -(def .public (exec phase archive [this that]) - (Generator [Synthesis Synthesis]) - (do phase.monad - [this! (phase archive this) - that! (phase archive that)] - (in (all _.composite - this! - _.pop - that!)))) - -(def .public (let phase archive [inputS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do phase.monad - [input! (phase archive inputS) - body! (phase archive bodyS)] - (in (all _.composite - input! - (_.astore register) - body!)))) - -(def .public (get phase archive [path recordS]) - (Generator [(List Member) Synthesis]) - (do phase.monad - [record! (phase archive recordS)] - (in (list#mix (function (_ step so_far!) - (.let [next! (.if (the member.#right? step) - (..right_projection (the member.#lefts step)) - (..left_projection (the member.#lefts step)))] - (all _.composite - so_far! - next!))) - record! - (list.reversed path))))) - -(def .public (case phase archive [valueS path]) - (Generator [Synthesis Path]) - (do phase.monad - [@end //runtime.forge_label - value! (phase archive valueS) - path! (..path @end phase archive path)] - (in (all _.composite - _.aconst_null - value! - //runtime.push - path! - (<| (_.when_acknowledged @end) - (_.set_label @end)))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/debug.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/debug.lux index b983c3b7d..51ae831e0 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/debug.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/debug.lux @@ -23,7 +23,7 @@ [file (is (IO (Try (File IO))) (file.get_file io.monad file.default file_path))] (at file over_write bytecode))] - (in (case outcome + (in (when outcome {try.#Success definition} file_path diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/function.lux index b150e4536..c6b9dac3a 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/function.lux @@ -170,12 +170,12 @@ (def .public (apply generate archive [abstractionS inputsS]) (Generator Apply) - (case abstractionS + (when abstractionS (synthesis.constant $abstraction) (do [! phase.monad] [[@definition |abstraction|] (generation.definition archive $abstraction) .let [actual_arity (list.size inputsS)]] - (case |abstraction| + (when |abstraction| {.#Some [_ {.#Some [expected_arity @abstraction]}]} (cond (n.< expected_arity actual_arity) (apply/? generate archive [abstractionS inputsS]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/function/method/apply.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/function/method/apply.lux index 74a1dac76..ae502cbee 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/function/method/apply.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/function/method/apply.lux @@ -87,7 +87,7 @@ (method.method //.modifier ////runtime.apply::name false (////runtime.apply::type apply_arity) (list) - {.#Some (case num_partials + {.#Some (when num_partials 0 (all _.composite ////reference.this (..inputs ..this_offset apply_arity) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/host.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/host.lux index 270fb31ab..973ab7cad 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/host.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/host.lux @@ -86,11 +86,11 @@ (def (class_value class_name class) (-> Text (java/lang/Class java/lang/Object) (Try Any)) - (case (java/lang/Class::getField //value.field class) + (when (java/lang/Class::getField //value.field class) {try.#Success field} - (case (java/lang/reflect/Field::get {.#None} field) + (when (java/lang/reflect/Field::get {.#None} field) {try.#Success ?value} - (case ?value + (when ?value {.#Some value} {try.#Success value} @@ -109,7 +109,7 @@ (def (evaluate! library loader eval_class [@it valueG]) (-> Library java/lang/ClassLoader Text [(Maybe unit.ID) (Bytecode Any)] (Try [Any Definition])) (let [bytecode_name (text.replaced class_path_separator .module_separator eval_class) - :value: (case @it + :value: (when @it {.#Some @it} (type.class (//runtime.class_name @it) (list)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/loop.lux index d7b73995e..495882117 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/loop.lux @@ -29,7 +29,7 @@ (def (invariant? register changeS) (-> Register Synthesis Bit) - (case changeS + (when changeS (synthesis.variable/local var) (n.= register var) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/primitive.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/primitive.lux index ad5a79db9..5c9677bb7 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/primitive.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/primitive.lux @@ -34,7 +34,7 @@ (def .public (i64 value) (-> (I64 Any) (Bytecode Any)) - (case (.int value) + (when (.int value) (^.with_template [ ] [ (do _.monad @@ -58,7 +58,7 @@ [+5 _.iconst_5]) value - (case (signed.s1 value) + (when (signed.s1 value) {try.#Success value} (do _.monad [_ (_.bipush value) @@ -66,7 +66,7 @@ ..wrap_i64) {try.#Failure _} - (case (signed.s2 value) + (when (signed.s2 value) {try.#Success value} (do _.monad [_ (_.sipush value) @@ -91,7 +91,7 @@ (def .public (f64 value) (-> Frac (Bytecode Any)) - (case value + (when value (^.with_template [ ] [ (do _.monad diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/reference.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/reference.lux index a6f209206..9f4a1c945 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/reference.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/reference.lux @@ -53,7 +53,7 @@ (def .public (variable archive variable) (-> Archive Variable (Operation (Bytecode Any))) - (case variable + (when variable {variable.#Local variable} (operation#in (_.aload variable)) @@ -65,7 +65,7 @@ (do ////.monad [[@definition |abstraction|] (generation.definition archive name) .let [:definition: (type.class (//runtime.class_name @definition) (list))]] - (in (case |abstraction| + (in (when |abstraction| {.#Some [_ {.#Some [expected_arity @abstraction]}]} (let [:abstraction: (type.class (//runtime.class_name @abstraction) (list))] (_.getstatic :definition: //value.field :abstraction:)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/runtime.lux index 385015373..2a0d2c994 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/runtime.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Type Definition Label case false true try) + [lux (.except Type Definition Label when false true try) [abstract ["[0]" monad (.only do)] ["[0]" enum]] @@ -289,13 +289,13 @@ (..set! ..stack_tail $tail) _.areturn))})) -(def case::name "case") -(def case::type (type.method [(list) (list //type.variant //type.lefts //type.right?) //type.value (list)])) -(def .public case (..procedure ..case::name ..case::type)) +(def when::name "when") +(def when::type (type.method [(list) (list //type.variant //type.lefts //type.right?) //type.value (list)])) +(def .public when (..procedure ..when::name ..when::type)) -(def case::method - (method.method ..modifier ..case::name - .false ..case::type +(def when::method + (method.method ..modifier ..when::name + .false ..when::type (list) {.#Some (do _.monad @@ -560,7 +560,7 @@ ..pm_failure::method ..push::method - ..case::method + ..when::method left_projection::method right_projection::method diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/structure.lux index 54958837b..1dfafd509 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/structure.lux @@ -31,7 +31,7 @@ (def .public (tuple phase archive membersS) (Generator (Tuple Synthesis)) - (case membersS + (when membersS {.#End} (at phase.monad in //runtime.unit) @@ -57,19 +57,19 @@ (def .public (lefts lefts) (-> Nat (Bytecode Any)) - (case lefts + (when lefts 0 _.iconst_0 1 _.iconst_1 2 _.iconst_2 3 _.iconst_3 4 _.iconst_4 5 _.iconst_5 - _ (case (signed.s1 (.int lefts)) + _ (when (signed.s1 (.int lefts)) {try.#Success value} (_.bipush value) {try.#Failure _} - (case (signed.s2 (.int lefts)) + (when (signed.s2 (.int lefts)) {try.#Success value} (_.sipush value) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/when.lux new file mode 100644 index 000000000..767a48216 --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/jvm/when.lux @@ -0,0 +1,327 @@ +(.require + [library + [lux (.except Type Label if let exec when int) + [abstract + ["[0]" monad (.only do)]] + [control + ["[0]" function]] + [data + [collection + ["[0]" list (.use "[1]#[0]" mix)]] + ["[0]" text (.use "[1]#[0]" equivalence) + ["%" \\format (.only format)]]] + [math + [number + ["n" nat] + ["[0]" i32]]] + [meta + [macro + ["^" pattern]] + [target + [jvm + ["_" bytecode (.only Label Bytecode) (.use "[1]#[0]" monad) + [environment + [limit + ["[0]" stack]]]] + ["[0]" type (.only Type) + [category (.only Method)]]]]]]] + ["[0]" // + ["[1][0]" type] + ["[1][0]" runtime (.only Operation Phase Generator)] + ["[1][0]" value] + ["[1][0]" structure] + [//// + ["[0]" generation] + ["[0]" synthesis (.only Path Fork Synthesis) + [access + ["[0]" member (.only Member)]]] + [/// + ["[0]" phase (.use "operation#[0]" monad)] + [reference + [variable (.only Register)]]]]]) + +(def (pop_alt stack_depth) + (-> Nat (Bytecode Any)) + (.when stack_depth + 0 (_#in []) + 1 _.pop + 2 _.pop2 + _ ... (n.> 2) + (all _.composite + _.pop2 + (pop_alt (n.- 2 stack_depth))))) + +(def int + (-> (I64 Any) (Bytecode Any)) + (|>> .i64 i32.i32 _.int)) + +(def long + (-> (I64 Any) (Bytecode Any)) + (|>> .int _.long)) + +(def peek + (Bytecode Any) + (all _.composite + _.dup + (//runtime.get //runtime.stack_head))) + +(def pop + (Bytecode Any) + (all _.composite + (//runtime.get //runtime.stack_tail) + (_.checkcast //type.stack))) + +(def (left_projection lefts) + (-> Nat (Bytecode Any)) + (all _.composite + (_.checkcast //type.tuple) + (..int lefts) + (.when lefts + 0 + _.aaload + + lefts + //runtime.left_projection))) + +(def (right_projection lefts) + (-> Nat (Bytecode Any)) + (all _.composite + (_.checkcast //type.tuple) + (..int lefts) + //runtime.right_projection)) + +(def equals@Object + (.let [class (type.class "java.lang.Object" (list)) + method (type.method [(list) (list //type.value) type.boolean (list)])] + (_.invokevirtual class "equals" method))) + +(def (path|bind register) + (-> Register (Operation (Bytecode Any))) + (operation#in (all _.composite + ..peek + (_.astore register)))) + +(def (path|bit_fork again @else [when thenP elseP]) + (-> (-> Path (Operation (Bytecode Any))) + Label [Bit Path (Maybe Path)] + (Operation (Bytecode Any))) + (do phase.monad + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in (_.goto @else))) + .let [if! (.if when _.ifeq _.ifne)]] + (in (do _.monad + [@else _.new_label] + (all _.composite + ..peek + (//value.unwrap type.boolean) + (if! @else) + then! + (_.set_label @else) + else!))))) + +(with_template [ ] + [(def ( again @else cons) + (-> (-> Path (Operation (Bytecode Any))) + Label (Fork Path) + (Operation (Bytecode Any))) + (do [! phase.monad] + [fork! (monad.mix ! (function (_ [test thenP] else!) + (do ! + [then! (again thenP)] + (in (do _.monad + [@else _.new_label] + (all _.composite + + ( test) + + ( @else) + + then! + (_.set_label @else) + else!))))) + (all _.composite + + (_.goto @else)) + {.#Item cons})] + (in (all _.composite + ..peek + + fork!))))] + + [path|i64_fork (I64 Any) (//value.unwrap type.long) _.dup2 _.pop2 ..long _.lcmp _.ifne] + [path|f64_fork Frac (//value.unwrap type.double) _.dup2 _.pop2 _.double _.dcmpl _.ifne] + [path|text_fork Text (at _.monad in []) _.dup _.pop _.string ..equals@Object _.ifeq] + ) + +(def (path' stack_depth @else @end phase archive) + (-> Nat Label Label (Generator Path)) + (function (again path) + (.when path + {synthesis.#Pop} + (operation#in ..pop) + + {synthesis.#Bind register} + (..path|bind register) + + (^.with_template [ ] + [{ it} + ( again @else it)]) + ([synthesis.#Bit_Fork ..path|bit_fork] + [synthesis.#I64_Fork ..path|i64_fork] + [synthesis.#F64_Fork ..path|f64_fork] + [synthesis.#Text_Fork ..path|text_fork]) + + {synthesis.#Then bodyS} + (do phase.monad + [body! (phase archive bodyS)] + (in (all _.composite + (..pop_alt stack_depth) + body! + (_.when_continuous (_.goto @end))))) + + (synthesis.side lefts right?) + (operation#in + (do _.monad + [@success _.new_label] + (all _.composite + ..peek + (_.checkcast //type.variant) + (//structure.lefts lefts) + (//structure.right? right?) + //runtime.when + _.dup + (_.ifnonnull @success) + _.pop + (_.goto @else) + (_.set_label @success) + //runtime.push))) + + (^.with_template [ ] + [( lefts) + (operation#in (all _.composite + ..peek + ( lefts) + //runtime.push)) + + ... Extra optimization + (synthesis.path/seq + ( lefts) + (synthesis.!bind_top register thenP)) + (do phase.monad + [then! (path' stack_depth @else @end phase archive thenP)] + (in (all _.composite + ..peek + ( lefts) + (_.astore register) + then!)))]) + ([synthesis.member/left ..left_projection] + [synthesis.member/right ..right_projection]) + + {synthesis.#Seq leftP rightP} + (do phase.monad + [left! (path' stack_depth @else @end phase archive leftP) + right! (path' stack_depth @else @end phase archive rightP)] + (in (all _.composite + left! + right!))) + + {synthesis.#Alt leftP rightP} + (do phase.monad + [@alt_else //runtime.forge_label + left! (path' (++ stack_depth) @alt_else @end phase archive leftP) + right! (path' stack_depth @else @end phase archive rightP)] + (in (all _.composite + _.dup + left! + (_.set_label @alt_else) + _.pop + right!))) + ))) + +(def (path @end phase archive path) + (-> Label (Generator Path)) + (do phase.monad + [@else //runtime.forge_label + path! (..path' 1 @else @end phase archive path)] + (in (all _.composite + path! + (<| (_.when_acknowledged @else) + (all _.composite + (_.set_label @else) + //runtime.pm_failure + (_.goto @end) + )) + )))) + +(def .public (if phase archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do phase.monad + [test! (phase archive testS) + then! (phase archive thenS) + else! (phase archive elseS)] + (in (do _.monad + [@else _.new_label + @end _.new_label] + (all _.composite + test! + (//value.unwrap type.boolean) + (_.ifeq @else) + then! + (_.when_continuous (_.goto @end)) + (_.set_label @else) + else! + (<| (_.when_acknowledged @end) + (_.set_label @end))))))) + +(def .public (exec phase archive [this that]) + (Generator [Synthesis Synthesis]) + (do phase.monad + [this! (phase archive this) + that! (phase archive that)] + (in (all _.composite + this! + _.pop + that!)))) + +(def .public (let phase archive [inputS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do phase.monad + [input! (phase archive inputS) + body! (phase archive bodyS)] + (in (all _.composite + input! + (_.astore register) + body!)))) + +(def .public (get phase archive [path recordS]) + (Generator [(List Member) Synthesis]) + (do phase.monad + [record! (phase archive recordS)] + (in (list#mix (function (_ step so_far!) + (.let [next! (.if (the member.#right? step) + (..right_projection (the member.#lefts step)) + (..left_projection (the member.#lefts step)))] + (all _.composite + so_far! + next!))) + record! + (list.reversed path))))) + +(def .public (when phase archive [valueS path]) + (Generator [Synthesis Path]) + (do phase.monad + [@end //runtime.forge_label + value! (phase archive valueS) + path! (..path @end phase archive path)] + (in (all _.composite + _.aconst_null + value! + //runtime.push + path! + (<| (_.when_acknowledged @end) + (_.set_label @end)))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua.lux index 2e27b6973..08fbc07cf 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua.lux @@ -15,7 +15,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["[1][0]" function] ["/[1]" // @@ -37,7 +37,7 @@ (def (expression archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (//////phase#in ( value))]) @@ -55,20 +55,20 @@ {synthesis.#Reference value} (//reference.reference /reference.system archive value) - (synthesis.branch/case case) - (/case.case ///extension/common.statement expression archive case) + (synthesis.branch/when when) + (/when.when ///extension/common.statement expression archive when) (synthesis.branch/exec it) - (/case.exec expression archive it) + (/when.exec expression archive it) (synthesis.branch/let let) - (/case.let expression archive let) + (/when.let expression archive let) (synthesis.branch/if if) - (/case.if expression archive if) + (/when.if expression archive if) (synthesis.branch/get get) - (/case.get expression archive get) + (/when.get expression archive get) (synthesis.loop/scope scope) (/loop.scope ///extension/common.statement expression archive scope) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/case.lux deleted file mode 100644 index 5924848e8..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/case.lux +++ /dev/null @@ -1,304 +0,0 @@ -(.require - [library - [lux (.except case exec let if) - [abstract - ["[0]" monad (.only do)]] - [data - ["[0]" text (.only) - ["%" \\format (.only format)]] - [collection - ["[0]" list (.use "[1]#[0]" functor mix)] - ["[0]" set]]] - [meta - [macro - ["^" pattern]] - [target - ["_" lua (.only Expression Var Statement)]]]]] - ["[0]" // - ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)] - ["[1][0]" reference] - ["[1][0]" primitive] - ["/[1]" // - ["[1][0]" reference] - ["/[1]" // - ["[1][0]" synthesis - ["[1]/[0]" case]] - ["/[1]" // - ["[1][0]" synthesis (.only Synthesis Path) - [access - ["[0]" member (.only Member)]]] - ["[1][0]" generation] - ["//[1]" /// - [reference - ["[1][0]" variable (.only Register)]] - ["[1][0]" phase (.use "[1]#[0]" monad)] - [meta - [archive (.only Archive)]]]]]]]) - -(def .public register - (-> Register Var) - (|>> (///reference.local //reference.system) as_expected)) - -(def .public capture - (-> Register Var) - (|>> (///reference.foreign //reference.system) as_expected)) - -(def .public (exec expression archive [this that]) - (Generator [Synthesis Synthesis]) - (do ///////phase.monad - [this (expression archive this) - that (expression archive that)] - (in (|> (_.array (list this that)) - (_.item (_.int +2)))))) - -(def .public (exec! statement expression archive [this that]) - (Generator! [Synthesis Synthesis]) - (do [! ///////phase.monad] - [this (expression archive this) - that (statement expression archive that) - $dummy (at ! each _.var (/////generation.symbol "_exec"))] - (in (all _.then - (_.set (list $dummy) this) - that)))) - -(def .public (let expression archive [valueS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (expression archive bodyS)] - ... TODO: Find some way to do 'let' without paying the price of the closure. - (in (|> bodyO - _.return - (_.closure (list (..register register))) - (_.apply (list valueO)))))) - -(def .public (let! statement expression archive [valueS register bodyS]) - (Generator! [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (statement expression archive bodyS)] - (in (all _.then - (_.local/1 (..register register) valueO) - bodyO)))) - -(def .public (get expression archive [pathP valueS]) - (Generator [(List Member) Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS)] - (in (list#mix (function (_ side source) - (.let [method (.if (the member.#right? side) - (//runtime.tuple//right (_.int (.int (the member.#lefts side)))) - (//runtime.tuple//left (_.int (.int (the member.#lefts side)))))] - (method source))) - valueO - (list.reversed pathP))))) - -(def .public (if expression archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testO (expression archive testS) - thenO (expression archive thenS) - elseO (expression archive elseS)] - (in (|> (_.if testO - (_.return thenO) - (_.return elseO)) - (_.closure (list)) - (_.apply (list)))))) - -(def .public (if! statement expression archive [testS thenS elseS]) - (Generator! [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testO (expression archive testS) - thenO (statement expression archive thenS) - elseO (statement expression archive elseS)] - (in (_.if testO - thenO - elseO)))) - -(def @savepoint (_.var "lux_pm_savepoint")) -(def @cursor (_.var "lux_pm_cursor")) -(def @temp (_.var "lux_pm_temp")) - -(def (push! value) - (-> Expression Statement) - (_.statement (|> (_.var "table.insert") (_.apply (list @cursor value))))) - -(def peek_and_pop - Expression - (|> (_.var "table.remove") (_.apply (list @cursor)))) - -(def pop! - Statement - (_.statement ..peek_and_pop)) - -(def peek - Expression - (_.item (_.length @cursor) @cursor)) - -(def save! - Statement - (_.statement (|> (_.var "table.insert") - (_.apply (list @savepoint - (_.apply (list @cursor - (_.int +1) - (_.length @cursor) - (_.int +1) - (_.table (list))) - (_.var "table.move"))))))) - -(def restore! - Statement - (_.set (list @cursor) (|> (_.var "table.remove") (_.apply (list @savepoint))))) - -(def fail! _.break) - -(with_template [ ] - [(def ( simple? idx) - (-> Bit Nat Statement) - (all _.then - (_.set (list @temp) (//runtime.sum//get ..peek - (|> idx .int _.int))) - (.if simple? - (_.when (_.= _.nil @temp) - fail!) - (_.if (_.= _.nil @temp) - fail! - (..push! @temp)))))] - - [left_choice _.nil] - [right_choice //runtime.unit] - ) - -(def (alternation pre! post!) - (-> Statement Statement Statement) - (all _.then - (_.while (_.boolean true) - (all _.then - ..save! - pre!)) - (all _.then - ..restore! - post!))) - -(def (pattern_matching' statement expression archive) - (-> Phase! Phase Archive Path (Operation Statement)) - (function (again pathP) - (.case pathP - {/////synthesis.#Then bodyS} - (statement expression archive bodyS) - - {/////synthesis.#Pop} - (///////phase#in ..pop!) - - {/////synthesis.#Bind register} - (///////phase#in (_.local/1 (..register register) ..peek)) - - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in ..fail!))] - (in (.if when - (_.if ..peek - then! - else!) - (_.if ..peek - else! - then!)))) - - (^.with_template [ ] - [{ item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (do ! - [then! (again then)] - (in [(_.= (|> match ) - ..peek) - then!]))) - {.#Item item})] - (in (list#mix (function (_ [when then!] else!) - (_.if when then! else!)) - ..fail! - clauses)))]) - ([/////synthesis.#I64_Fork (<| _.int .int)] - [/////synthesis.#F64_Fork _.float] - [/////synthesis.#Text_Fork _.string]) - - (^.with_template [ ] - [( idx) - (///////phase#in ( false idx)) - - ( idx nextP) - (///////phase#each (_.then ( true idx)) (again nextP))]) - ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] - [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) - - (/////synthesis.member/left 0) - (///////phase#in (|> ..peek (_.item (_.int +1)) ..push!)) - - (^.with_template [ ] - [( lefts) - (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) - ([/////synthesis.member/left //runtime.tuple//left] - [/////synthesis.member/right //runtime.tuple//right]) - - (/////synthesis.!bind_top register thenP) - (do ///////phase.monad - [then! (again thenP)] - (///////phase#in (all _.then - (_.local/1 (..register register) ..peek_and_pop) - then!))) - - (^.with_template [ ] - [( preP postP) - (do ///////phase.monad - [pre! (again preP) - post! (again postP)] - (in ( pre! post!)))]) - ([/////synthesis.path/seq _.then] - [/////synthesis.path/alt ..alternation])))) - -(def (pattern_matching statement expression archive pathP) - (-> Phase! Phase Archive Path (Operation Statement)) - (do ///////phase.monad - [pattern_matching! (pattern_matching' statement expression archive pathP)] - (in (all _.then - (_.while (_.boolean true) - pattern_matching!) - (_.statement (|> (_.var "error") (_.apply (list (_.string ////synthesis/case.pattern_matching_error))))))))) - -(def .public dependencies - (-> Path (List Var)) - (|>> ////synthesis/case.storage - (the ////synthesis/case.#dependencies) - set.list - (list#each (function (_ variable) - (.case variable - {///////variable.#Local register} - (..register register) - - {///////variable.#Foreign register} - (..capture register)))))) - -(def .public (case! statement expression archive [valueS pathP]) - (Generator! [Synthesis Path]) - (do ///////phase.monad - [stack_init (expression archive valueS) - pattern_matching! (pattern_matching statement expression archive pathP)] - (in (all _.then - (_.local (list @temp)) - (_.local/1 @cursor (_.array (list stack_init))) - (_.local/1 @savepoint (_.array (list))) - pattern_matching!)))) - -(def .public (case statement expression archive [valueS pathP]) - (-> Phase! (Generator [Synthesis Path])) - (|> [valueS pathP] - (..case! statement expression archive) - (at ///////phase.monad each - (|>> (_.closure (list)) - (_.apply (list)))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/function.lux index 77f3d2caf..0e7b19de8 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/function.lux @@ -15,7 +15,7 @@ ["[0]" // ["[1][0]" runtime (.only Operation Phase Phase! Generator)] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["//[1]" /// @@ -47,7 +47,7 @@ (def (with_closure inits @self @args body!) (-> (List Expression) Var (List Var) Statement [Statement Expression]) - (case inits + (when inits {.#End} [(_.function @self @args body!) @self] @@ -62,7 +62,7 @@ (_.apply inits @self)]))) (def input - (|>> ++ //case.register)) + (|>> ++ //when.register)) (def (@scope function_name) (-> unit.ID Label) @@ -84,7 +84,7 @@ @num_args (_.var "num_args") @scope (..@scope function_name) @self (_.var (///reference.artifact function_name)) - initialize_self! (_.local/1 (//case.register 0) @self) + initialize_self! (_.local/1 (//when.register 0) @self) initialize! (list#mix (.function (_ post pre!) (all _.then pre! diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/loop.lux index bef9f9893..f3532770a 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/loop.lux @@ -18,7 +18,7 @@ ["_" lua (.only Var Expression Label Statement)]]]]] ["[0]" // [runtime (.only Operation Phase Phase! Generator Generator!)] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["//[1]" /// @@ -42,7 +42,7 @@ (-> Bit Register (List Expression) Bit Statement Statement) (let [variables (|> bindings list.enumeration - (list#each (|>> product.left (n.+ offset) //case.register)))] + (list#each (|>> product.left (n.+ offset) //when.register)))] (if as_expression? body (all _.then @@ -55,7 +55,7 @@ ... (Generator! (Scope Synthesis)) (-> Phase! Phase Archive Bit (Scope Synthesis) (Operation [(List Expression) Statement])) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (|> bodyS @@ -77,7 +77,7 @@ (def .public (scope statement expression archive [start initsS+ bodyS]) (-> Phase! (Generator (Scope Synthesis))) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (expression archive bodyS) @@ -91,10 +91,10 @@ .let [@loop (_.var (///reference.artifact [artifact_module artifact_id])) locals (|> initsO+ list.enumeration - (list#each (|>> product.left (n.+ start) //case.register))) + (list#each (|>> product.left (n.+ start) //when.register))) [declaration instantiation] (is [Statement Expression] - (case (|> (synthesis.path/then bodyS) - //case.dependencies + (when (|> (synthesis.path/then bodyS) + //when.dependencies (set.of_list _.hash) (set.difference (set.of_list _.hash locals)) set.list) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/runtime.lux index e8ba62726..b365b536e 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/runtime.lux @@ -129,7 +129,7 @@ (macro.with_symbols [g!_] (let [runtime (code.local (///reference.artifact [..module_id runtime_id])) runtime_name (` (_.var (, (code.text (%.code runtime)))))] - (case declaration + (when declaration {.#Left name} (macro.with_symbols [g!_] (let [g!name (code.local name)] diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/structure.lux index e3b0c8c66..c623bd592 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/structure.lux @@ -18,7 +18,7 @@ (def .public (tuple phase archive elemsS+) (Generator (Tuple Synthesis)) - (case elemsS+ + (when elemsS+ {.#End} (///////phase#in (//primitive.text /////synthesis.unit)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/when.lux new file mode 100644 index 000000000..7e9e383ca --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/lua/when.lux @@ -0,0 +1,304 @@ +(.require + [library + [lux (.except when exec let if) + [abstract + ["[0]" monad (.only do)]] + [data + ["[0]" text (.only) + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" functor mix)] + ["[0]" set]]] + [meta + [macro + ["^" pattern]] + [target + ["_" lua (.only Expression Var Statement)]]]]] + ["[0]" // + ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)] + ["[1][0]" reference] + ["[1][0]" primitive] + ["/[1]" // + ["[1][0]" reference] + ["/[1]" // + ["[1][0]" synthesis + ["[1]/[0]" when]] + ["/[1]" // + ["[1][0]" synthesis (.only Synthesis Path) + [access + ["[0]" member (.only Member)]]] + ["[1][0]" generation] + ["//[1]" /// + [reference + ["[1][0]" variable (.only Register)]] + ["[1][0]" phase (.use "[1]#[0]" monad)] + [meta + [archive (.only Archive)]]]]]]]) + +(def .public register + (-> Register Var) + (|>> (///reference.local //reference.system) as_expected)) + +(def .public capture + (-> Register Var) + (|>> (///reference.foreign //reference.system) as_expected)) + +(def .public (exec expression archive [this that]) + (Generator [Synthesis Synthesis]) + (do ///////phase.monad + [this (expression archive this) + that (expression archive that)] + (in (|> (_.array (list this that)) + (_.item (_.int +2)))))) + +(def .public (exec! statement expression archive [this that]) + (Generator! [Synthesis Synthesis]) + (do [! ///////phase.monad] + [this (expression archive this) + that (statement expression archive that) + $dummy (at ! each _.var (/////generation.symbol "_exec"))] + (in (all _.then + (_.set (list $dummy) this) + that)))) + +(def .public (let expression archive [valueS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (expression archive bodyS)] + ... TODO: Find some way to do 'let' without paying the price of the closure. + (in (|> bodyO + _.return + (_.closure (list (..register register))) + (_.apply (list valueO)))))) + +(def .public (let! statement expression archive [valueS register bodyS]) + (Generator! [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (statement expression archive bodyS)] + (in (all _.then + (_.local/1 (..register register) valueO) + bodyO)))) + +(def .public (get expression archive [pathP valueS]) + (Generator [(List Member) Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS)] + (in (list#mix (function (_ side source) + (.let [method (.if (the member.#right? side) + (//runtime.tuple//right (_.int (.int (the member.#lefts side)))) + (//runtime.tuple//left (_.int (.int (the member.#lefts side)))))] + (method source))) + valueO + (list.reversed pathP))))) + +(def .public (if expression archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testO (expression archive testS) + thenO (expression archive thenS) + elseO (expression archive elseS)] + (in (|> (_.if testO + (_.return thenO) + (_.return elseO)) + (_.closure (list)) + (_.apply (list)))))) + +(def .public (if! statement expression archive [testS thenS elseS]) + (Generator! [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testO (expression archive testS) + thenO (statement expression archive thenS) + elseO (statement expression archive elseS)] + (in (_.if testO + thenO + elseO)))) + +(def @savepoint (_.var "lux_pm_savepoint")) +(def @cursor (_.var "lux_pm_cursor")) +(def @temp (_.var "lux_pm_temp")) + +(def (push! value) + (-> Expression Statement) + (_.statement (|> (_.var "table.insert") (_.apply (list @cursor value))))) + +(def peek_and_pop + Expression + (|> (_.var "table.remove") (_.apply (list @cursor)))) + +(def pop! + Statement + (_.statement ..peek_and_pop)) + +(def peek + Expression + (_.item (_.length @cursor) @cursor)) + +(def save! + Statement + (_.statement (|> (_.var "table.insert") + (_.apply (list @savepoint + (_.apply (list @cursor + (_.int +1) + (_.length @cursor) + (_.int +1) + (_.table (list))) + (_.var "table.move"))))))) + +(def restore! + Statement + (_.set (list @cursor) (|> (_.var "table.remove") (_.apply (list @savepoint))))) + +(def fail! _.break) + +(with_template [ ] + [(def ( simple? idx) + (-> Bit Nat Statement) + (all _.then + (_.set (list @temp) (//runtime.sum//get ..peek + (|> idx .int _.int))) + (.if simple? + (_.when (_.= _.nil @temp) + fail!) + (_.if (_.= _.nil @temp) + fail! + (..push! @temp)))))] + + [left_choice _.nil] + [right_choice //runtime.unit] + ) + +(def (alternation pre! post!) + (-> Statement Statement Statement) + (all _.then + (_.while (_.boolean true) + (all _.then + ..save! + pre!)) + (all _.then + ..restore! + post!))) + +(def (pattern_matching' statement expression archive) + (-> Phase! Phase Archive Path (Operation Statement)) + (function (again pathP) + (.when pathP + {/////synthesis.#Then bodyS} + (statement expression archive bodyS) + + {/////synthesis.#Pop} + (///////phase#in ..pop!) + + {/////synthesis.#Bind register} + (///////phase#in (_.local/1 (..register register) ..peek)) + + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in ..fail!))] + (in (.if when + (_.if ..peek + then! + else!) + (_.if ..peek + else! + then!)))) + + (^.with_template [ ] + [{ item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (do ! + [then! (again then)] + (in [(_.= (|> match ) + ..peek) + then!]))) + {.#Item item})] + (in (list#mix (function (_ [when then!] else!) + (_.if when then! else!)) + ..fail! + clauses)))]) + ([/////synthesis.#I64_Fork (<| _.int .int)] + [/////synthesis.#F64_Fork _.float] + [/////synthesis.#Text_Fork _.string]) + + (^.with_template [ ] + [( idx) + (///////phase#in ( false idx)) + + ( idx nextP) + (///////phase#each (_.then ( true idx)) (again nextP))]) + ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] + [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) + + (/////synthesis.member/left 0) + (///////phase#in (|> ..peek (_.item (_.int +1)) ..push!)) + + (^.with_template [ ] + [( lefts) + (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) + ([/////synthesis.member/left //runtime.tuple//left] + [/////synthesis.member/right //runtime.tuple//right]) + + (/////synthesis.!bind_top register thenP) + (do ///////phase.monad + [then! (again thenP)] + (///////phase#in (all _.then + (_.local/1 (..register register) ..peek_and_pop) + then!))) + + (^.with_template [ ] + [( preP postP) + (do ///////phase.monad + [pre! (again preP) + post! (again postP)] + (in ( pre! post!)))]) + ([/////synthesis.path/seq _.then] + [/////synthesis.path/alt ..alternation])))) + +(def (pattern_matching statement expression archive pathP) + (-> Phase! Phase Archive Path (Operation Statement)) + (do ///////phase.monad + [pattern_matching! (pattern_matching' statement expression archive pathP)] + (in (all _.then + (_.while (_.boolean true) + pattern_matching!) + (_.statement (|> (_.var "error") (_.apply (list (_.string ////synthesis/when.pattern_matching_error))))))))) + +(def .public dependencies + (-> Path (List Var)) + (|>> ////synthesis/when.storage + (the ////synthesis/when.#dependencies) + set.list + (list#each (function (_ variable) + (.when variable + {///////variable.#Local register} + (..register register) + + {///////variable.#Foreign register} + (..capture register)))))) + +(def .public (when! statement expression archive [valueS pathP]) + (Generator! [Synthesis Path]) + (do ///////phase.monad + [stack_init (expression archive valueS) + pattern_matching! (pattern_matching statement expression archive pathP)] + (in (all _.then + (_.local (list @temp)) + (_.local/1 @cursor (_.array (list stack_init))) + (_.local/1 @savepoint (_.array (list))) + pattern_matching!)))) + +(def .public (when statement expression archive [valueS pathP]) + (-> Phase! (Generator [Synthesis Path])) + (|> [valueS pathP] + (..when! statement expression archive) + (at ///////phase.monad each + (|>> (_.closure (list)) + (_.apply (list)))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php.lux index 293366280..12e2dffd3 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php.lux @@ -15,7 +15,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["[1][0]" function] ["/[1]" // @@ -32,7 +32,7 @@ (def (statement expression archive synthesis) Phase! - (case synthesis + (when synthesis (^.with_template [] [( value) (//////phase#each _.return (expression archive synthesis))]) @@ -51,14 +51,14 @@ ([////synthesis.#Reference] [////synthesis.#Extension]) - (////synthesis.branch/case case) - (/case.case! statement expression archive case) + (////synthesis.branch/when when) + (/when.when! statement expression archive when) (^.with_template [ ] [( value) ( statement expression archive value)]) - ([////synthesis.branch/let /case.let!] - [////synthesis.branch/if /case.if!] + ([////synthesis.branch/let /when.let!] + [////synthesis.branch/if /when.if!] [////synthesis.loop/scope /loop.scope!] [////synthesis.loop/again /loop.again!]) @@ -70,7 +70,7 @@ (def .public (expression archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (//////phase#in ( value))]) @@ -87,15 +87,15 @@ ( expression archive value)]) ([////synthesis.variant /structure.variant] [////synthesis.tuple /structure.tuple] - [////synthesis.branch/let /case.let] - [////synthesis.branch/if /case.if] - [////synthesis.branch/get /case.get] + [////synthesis.branch/let /when.let] + [////synthesis.branch/if /when.if] + [////synthesis.branch/get /when.get] [////synthesis.function/apply /function.apply]) (^.with_template [ ] [( value) ( statement expression archive value)]) - ([////synthesis.branch/case /case.case] + ([////synthesis.branch/when /when.when] [////synthesis.loop/scope /loop.scope] [////synthesis.function/abstraction /function.function]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/case.lux deleted file mode 100644 index 816b77d0f..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/case.lux +++ /dev/null @@ -1,297 +0,0 @@ -(.require - [library - [lux (.except case let if) - [abstract - ["[0]" monad (.only do)]] - [data - ["[0]" product] - ["[0]" text (.only) - ["%" \\format (.only format)]] - [collection - ["[0]" list (.use "[1]#[0]" functor mix)] - ["[0]" set]]] - [math - [number - ["i" int]]] - [meta - [macro - ["^" pattern]] - [target - ["_" php (.only Expression Var Statement)]]]]] - ["[0]" // - ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)] - ["[1][0]" reference] - ["[1][0]" primitive] - ["/[1]" // - ["[1][0]" reference] - ["/[1]" // - ["[1][0]" synthesis - ["[1]/[0]" case]] - ["/[1]" // - ["[1][0]" synthesis (.only Member Synthesis Path)] - ["[1][0]" generation] - ["//[1]" /// - [reference - ["[1][0]" variable (.only Register)]] - ["[1][0]" phase (.use "[1]#[0]" monad)] - [meta - [archive (.only Archive)]]]]]]]) - -(def .public register - (-> Register Var) - (|>> (///reference.local //reference.system) as_expected)) - -(def .public capture - (-> Register Var) - (|>> (///reference.foreign //reference.system) as_expected)) - -(def .public (let expression archive [valueS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueG (expression archive valueS) - bodyG (expression archive bodyS)] - (in (|> bodyG - (list (_.set (..register register) valueG)) - _.array/* - (_.item (_.int +1)))))) - -(def .public (let! statement expression archive [valueS register bodyS]) - (Generator! [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - body! (statement expression archive bodyS)] - (in (all _.then - (_.set! (..register register) valueO) - body!)))) - -(def .public (if expression archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testG (expression archive testS) - thenG (expression archive thenS) - elseG (expression archive elseS)] - (in (_.? testG thenG elseG)))) - -(def .public (if! statement expression archive [testS thenS elseS]) - (Generator! [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [test! (expression archive testS) - then! (statement expression archive thenS) - else! (statement expression archive elseS)] - (in (_.if test! - then! - else!)))) - -(def .public (get expression archive [pathP valueS]) - (Generator [(List Member) Synthesis]) - (do ///////phase.monad - [valueG (expression archive valueS)] - (in (list#mix (function (_ side source) - (.let [method (.case side - (^.with_template [ ] - [( lefts) - ( (_.int (.int lefts)))]) - ([.#Left //runtime.tuple//left] - [.#Right //runtime.tuple//right]))] - (method source))) - valueG - (list.reversed pathP))))) - -(def @savepoint (_.var "lux_pm_savepoint")) -(def @cursor (_.var "lux_pm_cursor")) -(def @temp (_.var "lux_pm_temp")) - -(def (push! value) - (-> Expression Statement) - (_.; (_.array_push/2 [@cursor value]))) - -(def peek_and_pop - Expression - (_.array_pop/1 @cursor)) - -(def pop! - Statement - (_.; ..peek_and_pop)) - -(def peek - Expression - (_.item (|> @cursor _.count/1 (_.- (_.int +1))) - @cursor)) - -(def save! - Statement - (.let [cursor (_.array_slice/2 [@cursor (_.int +0)])] - (_.; (_.array_push/2 [@savepoint cursor])))) - -(def restore! - Statement - (_.set! @cursor (_.array_pop/1 @savepoint))) - -(def fail! _.break) - -(def (multi_pop! pops) - (-> Nat Statement) - (_.; (_.array_splice/3 [@cursor - (_.int +0) - (_.int (i.* -1 (.int pops)))]))) - -(with_template [ ] - [(def ( simple? idx) - (-> Bit Nat Statement) - (all _.then - (_.set! @temp (|> idx .int _.int (//runtime.sum//get ..peek ))) - (.if simple? - (_.when (_.is_null/1 @temp) - fail!) - (_.if (_.is_null/1 @temp) - fail! - (..push! @temp)))))] - - [left_choice _.null (<|)] - [right_choice (_.string "") ++] - ) - -(def (alternation pre! post!) - (-> Statement Statement Statement) - (all _.then - (_.do_while (_.bool false) - (all _.then - ..save! - pre!)) - (all _.then - ..restore! - post!))) - -(def (pattern_matching' statement expression archive) - (Generator! Path) - (function (again pathP) - (.case pathP - {/////synthesis.#Then bodyS} - (statement expression archive bodyS) - - {/////synthesis.#Pop} - (///////phase#in ..pop!) - - {/////synthesis.#Bind register} - (///////phase#in (_.set! (..register register) ..peek)) - - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in ..fail!))] - (in (.if when - (_.if ..peek - then! - else!) - (_.if ..peek - else! - then!)))) - - (^.with_template [ ] - [{ item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (do ! - [then! (again then)] - (in [(_.=== (|> match ) - ..peek) - then!]))) - {.#Item item})] - (in (_.cond clauses ..fail!)))]) - ([/////synthesis.#I64_Fork //primitive.i64] - [/////synthesis.#F64_Fork //primitive.f64] - [/////synthesis.#Text_Fork //primitive.text]) - - (^.with_template [ ] - [( idx) - (///////phase#in ( false idx)) - - ( idx nextP) - (|> nextP - again - (at ///////phase.monad each (_.then ( true idx))))]) - ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] - [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) - - (/////synthesis.member/left 0) - (///////phase#in (|> ..peek (_.item (_.int +0)) ..push!)) - - (^.with_template [ ] - [( lefts) - (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) - ([/////synthesis.member/left //runtime.tuple//left] - [/////synthesis.member/right //runtime.tuple//right]) - - (/////synthesis.!bind_top register thenP) - (do ///////phase.monad - [then! (again thenP)] - (///////phase#in (all _.then - (_.set! (..register register) ..peek_and_pop) - then!))) - - ... (/////synthesis.!multi_pop nextP) - ... (.let [[extra_pops nextP'] (////synthesis/case.count_pops nextP)] - ... (do ///////phase.monad - ... [next! (again nextP')] - ... (///////phase#in (all _.then - ... (..multi_pop! (n.+ 2 extra_pops)) - ... next!)))) - - (^.with_template [ ] - [( preP postP) - (do ///////phase.monad - [pre! (again preP) - post! (again postP)] - (in ( pre! post!)))]) - ([/////synthesis.path/seq _.then] - [/////synthesis.path/alt ..alternation])))) - -(def (pattern_matching statement expression archive pathP) - (Generator! Path) - (do ///////phase.monad - [iteration! (pattern_matching' statement expression archive pathP)] - (in (all _.then - (_.do_while (_.bool false) - iteration!) - (_.throw (_.new (_.constant "Exception") (list (_.string ////synthesis/case.pattern_matching_error)))))))) - -(def .public dependencies - (-> Path (List Var)) - (|>> ////synthesis/case.storage - (the ////synthesis/case.#dependencies) - set.list - (list#each (function (_ variable) - (.case variable - {///////variable.#Local register} - (..register register) - - {///////variable.#Foreign register} - (..capture register)))))) - -(def .public (case! statement expression archive [valueS pathP]) - (Generator! [Synthesis Path]) - (do ///////phase.monad - [stack_init (expression archive valueS) - pattern_matching! (pattern_matching statement expression archive pathP)] - (in (all _.then - (_.set! @cursor (_.array/* (list stack_init))) - (_.set! @savepoint (_.array/* (list))) - pattern_matching!)))) - -(def .public (case statement expression archive [valueS pathP]) - (-> Phase! (Generator [Synthesis Path])) - (do [! ///////phase.monad] - [[[case_module case_artifact] case!] (/////generation.with_new_context archive - (case! statement expression archive [valueS pathP])) - .let [@case (_.constant (///reference.artifact [case_module case_artifact])) - @dependencies+ (..dependencies (/////synthesis.path/seq (/////synthesis.path/then valueS) - pathP)) - declaration (_.define_function @case (list#each _.parameter @dependencies+) case!)] - _ (/////generation.execute! declaration) - _ (/////generation.save! case_artifact declaration)] - (in (_.apply @dependencies+ @case)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/function.lux index b2ca21671..e4195f3d4 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/function.lux @@ -17,7 +17,7 @@ ["[0]" // ["[1][0]" runtime (.only Operation Phase Phase! Generator)] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["//[1]" /// @@ -42,7 +42,7 @@ (|>> (///reference.foreign //reference.system) as_expected)) (def input - (|>> ++ //case.register)) + (|>> ++ //when.register)) (def (@scope function_name) (-> Context Label) @@ -50,7 +50,7 @@ (def (with_closure inits @selfG @selfL body!) (-> (List Expression) Global Var Statement [Statement Expression]) - (case inits + (when inits {.#End} [(all _.then (_.set! @selfL (_.closure (list (_.reference @selfL)) (list) body!)) @@ -84,7 +84,7 @@ @scope (..@scope function_name) @selfG (_.global (///reference.artifact function_name)) @selfL (_.var (///reference.artifact function_name)) - initialize_self! (_.set! (//case.register 0) @selfL) + initialize_self! (_.set! (//when.register 0) @selfL) initialize! (list#mix (.function (_ post pre!) (all _.then pre! diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/loop.lux index 5c3682738..b4c3804e8 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/loop.lux @@ -18,12 +18,12 @@ ["_" php (.only Var Expression Label Statement)]]]]] ["[0]" // [runtime (.only Operation Phase Phase! Generator Generator!)] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["/[1]" // [synthesis - ["[0]" case]] + ["[0]" when]] ["/[1]" // ["[0]" synthesis (.only Scope Synthesis)] ["[1][0]" generation] @@ -44,14 +44,14 @@ (|> bindings list.enumeration (list#each (function (_ [register value]) - (let [variable (//case.register (n.+ offset register))] + (let [variable (//when.register (n.+ offset register))] (_.set! variable value)))) list.reversed (list#mix _.then body))) (def .public (scope! statement expression archive [start initsS+ bodyS]) (Generator! (Scope Synthesis)) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (statement expression archive bodyS) @@ -70,7 +70,7 @@ (def .public (scope statement expression archive [start initsS+ bodyS]) (-> Phase! (Generator (Scope Synthesis))) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (expression archive bodyS) @@ -82,15 +82,15 @@ (..scope! statement expression archive [start initsS+ bodyS])) .let [locals (|> initsS+ list.enumeration - (list#each (|>> product.left (n.+ start) //case.register _.parameter))) + (list#each (|>> product.left (n.+ start) //when.register _.parameter))) @loop (_.constant (///reference.artifact [loop_module loop_artifact])) loop_variables (set.of_list _.hash (list#each product.right locals)) referenced_variables (is (-> Synthesis (Set Var)) (|>> synthesis.path/then - //case.dependencies + //when.dependencies (set.of_list _.hash))) [declaration instantiation] (is [Statement Expression] - (case (|> (list#each referenced_variables initsS+) + (when (|> (list#each referenced_variables initsS+) (list#mix set.union (referenced_variables bodyS)) (set.difference loop_variables) set.list) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/runtime.lux index bff0a6cf0..b1d1abe87 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/runtime.lux @@ -96,7 +96,7 @@ (macro.with_symbols [g!_] (let [runtime (code.local (///reference.artifact [..module_id runtime_id])) runtime_name (` (_.constant (, (code.text (%.code runtime)))))] - (case declaration + (when declaration {.#Left name} (macro.with_symbols [g!_] (let [g!name (code.local name)] @@ -606,7 +606,7 @@ i64_error (_.string (format "Cannot run program!" text.new_line "Lux/PHP programs require 64-bit PHP builds!"))] (_.when (_.not i64_support?) - (_.throw (_.new (_.constant "Exception") (list i64_error)))))) + (_.throw (_.new (_.constant "Exception") (list i64_error)))))) (def runtime Statement diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/structure.lux index 749ba0f5d..239d34609 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/structure.lux @@ -19,7 +19,7 @@ (def .public (tuple expression archive elemsS+) (Generator (Tuple Synthesis)) - (case elemsS+ + (when elemsS+ {.#End} (///////phase#in (//primitive.text /////synthesis.unit)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/when.lux new file mode 100644 index 000000000..fc703eb8b --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/php/when.lux @@ -0,0 +1,297 @@ +(.require + [library + [lux (.except when let if) + [abstract + ["[0]" monad (.only do)]] + [data + ["[0]" product] + ["[0]" text (.only) + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" functor mix)] + ["[0]" set]]] + [math + [number + ["i" int]]] + [meta + [macro + ["^" pattern]] + [target + ["_" php (.only Expression Var Statement)]]]]] + ["[0]" // + ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)] + ["[1][0]" reference] + ["[1][0]" primitive] + ["/[1]" // + ["[1][0]" reference] + ["/[1]" // + ["[1][0]" synthesis + ["[1]/[0]" when]] + ["/[1]" // + ["[1][0]" synthesis (.only Member Synthesis Path)] + ["[1][0]" generation] + ["//[1]" /// + [reference + ["[1][0]" variable (.only Register)]] + ["[1][0]" phase (.use "[1]#[0]" monad)] + [meta + [archive (.only Archive)]]]]]]]) + +(def .public register + (-> Register Var) + (|>> (///reference.local //reference.system) as_expected)) + +(def .public capture + (-> Register Var) + (|>> (///reference.foreign //reference.system) as_expected)) + +(def .public (let expression archive [valueS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueG (expression archive valueS) + bodyG (expression archive bodyS)] + (in (|> bodyG + (list (_.set (..register register) valueG)) + _.array/* + (_.item (_.int +1)))))) + +(def .public (let! statement expression archive [valueS register bodyS]) + (Generator! [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + body! (statement expression archive bodyS)] + (in (all _.then + (_.set! (..register register) valueO) + body!)))) + +(def .public (if expression archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testG (expression archive testS) + thenG (expression archive thenS) + elseG (expression archive elseS)] + (in (_.? testG thenG elseG)))) + +(def .public (if! statement expression archive [testS thenS elseS]) + (Generator! [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [test! (expression archive testS) + then! (statement expression archive thenS) + else! (statement expression archive elseS)] + (in (_.if test! + then! + else!)))) + +(def .public (get expression archive [pathP valueS]) + (Generator [(List Member) Synthesis]) + (do ///////phase.monad + [valueG (expression archive valueS)] + (in (list#mix (function (_ side source) + (.let [method (.when side + (^.with_template [ ] + [( lefts) + ( (_.int (.int lefts)))]) + ([.#Left //runtime.tuple//left] + [.#Right //runtime.tuple//right]))] + (method source))) + valueG + (list.reversed pathP))))) + +(def @savepoint (_.var "lux_pm_savepoint")) +(def @cursor (_.var "lux_pm_cursor")) +(def @temp (_.var "lux_pm_temp")) + +(def (push! value) + (-> Expression Statement) + (_.; (_.array_push/2 [@cursor value]))) + +(def peek_and_pop + Expression + (_.array_pop/1 @cursor)) + +(def pop! + Statement + (_.; ..peek_and_pop)) + +(def peek + Expression + (_.item (|> @cursor _.count/1 (_.- (_.int +1))) + @cursor)) + +(def save! + Statement + (.let [cursor (_.array_slice/2 [@cursor (_.int +0)])] + (_.; (_.array_push/2 [@savepoint cursor])))) + +(def restore! + Statement + (_.set! @cursor (_.array_pop/1 @savepoint))) + +(def fail! _.break) + +(def (multi_pop! pops) + (-> Nat Statement) + (_.; (_.array_splice/3 [@cursor + (_.int +0) + (_.int (i.* -1 (.int pops)))]))) + +(with_template [ ] + [(def ( simple? idx) + (-> Bit Nat Statement) + (all _.then + (_.set! @temp (|> idx .int _.int (//runtime.sum//get ..peek ))) + (.if simple? + (_.when (_.is_null/1 @temp) + fail!) + (_.if (_.is_null/1 @temp) + fail! + (..push! @temp)))))] + + [left_choice _.null (<|)] + [right_choice (_.string "") ++] + ) + +(def (alternation pre! post!) + (-> Statement Statement Statement) + (all _.then + (_.do_while (_.bool false) + (all _.then + ..save! + pre!)) + (all _.then + ..restore! + post!))) + +(def (pattern_matching' statement expression archive) + (Generator! Path) + (function (again pathP) + (.when pathP + {/////synthesis.#Then bodyS} + (statement expression archive bodyS) + + {/////synthesis.#Pop} + (///////phase#in ..pop!) + + {/////synthesis.#Bind register} + (///////phase#in (_.set! (..register register) ..peek)) + + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in ..fail!))] + (in (.if when + (_.if ..peek + then! + else!) + (_.if ..peek + else! + then!)))) + + (^.with_template [ ] + [{ item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (do ! + [then! (again then)] + (in [(_.=== (|> match ) + ..peek) + then!]))) + {.#Item item})] + (in (_.cond clauses ..fail!)))]) + ([/////synthesis.#I64_Fork //primitive.i64] + [/////synthesis.#F64_Fork //primitive.f64] + [/////synthesis.#Text_Fork //primitive.text]) + + (^.with_template [ ] + [( idx) + (///////phase#in ( false idx)) + + ( idx nextP) + (|> nextP + again + (at ///////phase.monad each (_.then ( true idx))))]) + ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] + [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) + + (/////synthesis.member/left 0) + (///////phase#in (|> ..peek (_.item (_.int +0)) ..push!)) + + (^.with_template [ ] + [( lefts) + (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) + ([/////synthesis.member/left //runtime.tuple//left] + [/////synthesis.member/right //runtime.tuple//right]) + + (/////synthesis.!bind_top register thenP) + (do ///////phase.monad + [then! (again thenP)] + (///////phase#in (all _.then + (_.set! (..register register) ..peek_and_pop) + then!))) + + ... (/////synthesis.!multi_pop nextP) + ... (.let [[extra_pops nextP'] (////synthesis/when.count_pops nextP)] + ... (do ///////phase.monad + ... [next! (again nextP')] + ... (///////phase#in (all _.then + ... (..multi_pop! (n.+ 2 extra_pops)) + ... next!)))) + + (^.with_template [ ] + [( preP postP) + (do ///////phase.monad + [pre! (again preP) + post! (again postP)] + (in ( pre! post!)))]) + ([/////synthesis.path/seq _.then] + [/////synthesis.path/alt ..alternation])))) + +(def (pattern_matching statement expression archive pathP) + (Generator! Path) + (do ///////phase.monad + [iteration! (pattern_matching' statement expression archive pathP)] + (in (all _.then + (_.do_while (_.bool false) + iteration!) + (_.throw (_.new (_.constant "Exception") (list (_.string ////synthesis/when.pattern_matching_error)))))))) + +(def .public dependencies + (-> Path (List Var)) + (|>> ////synthesis/when.storage + (the ////synthesis/when.#dependencies) + set.list + (list#each (function (_ variable) + (.when variable + {///////variable.#Local register} + (..register register) + + {///////variable.#Foreign register} + (..capture register)))))) + +(def .public (when! statement expression archive [valueS pathP]) + (Generator! [Synthesis Path]) + (do ///////phase.monad + [stack_init (expression archive valueS) + pattern_matching! (pattern_matching statement expression archive pathP)] + (in (all _.then + (_.set! @cursor (_.array/* (list stack_init))) + (_.set! @savepoint (_.array/* (list))) + pattern_matching!)))) + +(def .public (when statement expression archive [valueS pathP]) + (-> Phase! (Generator [Synthesis Path])) + (do [! ///////phase.monad] + [[[when_module when_artifact] when!] (/////generation.with_new_context archive + (when! statement expression archive [valueS pathP])) + .let [@when (_.constant (///reference.artifact [when_module when_artifact])) + @dependencies+ (..dependencies (/////synthesis.path/seq (/////synthesis.path/then valueS) + pathP)) + declaration (_.define_function @when (list#each _.parameter @dependencies+) when!)] + _ (/////generation.execute! declaration) + _ (/////generation.save! when_artifact declaration)] + (in (_.apply @dependencies+ @when)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python.lux index cd48b763b..b2692261f 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python.lux @@ -16,7 +16,7 @@ ["[1][0]" structure] ["[1][0]" reference] ["[1][0]" function] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["/[1]" // ["[1][0]" reference] @@ -37,7 +37,7 @@ (def .public (expression archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (//////phase#in ( value))]) @@ -52,17 +52,17 @@ ([////synthesis.variant /structure.variant] [////synthesis.tuple /structure.tuple] - [////synthesis.branch/exec /case.exec] - [////synthesis.branch/let /case.let] - [////synthesis.branch/if /case.if] - [////synthesis.branch/get /case.get] + [////synthesis.branch/exec /when.exec] + [////synthesis.branch/let /when.let] + [////synthesis.branch/if /when.if] + [////synthesis.branch/get /when.get] [////synthesis.function/apply /function.apply]) (^.with_template [ ] [( value) ( ///extension/common.statement expression archive value)]) - ([////synthesis.branch/case /case.case] + ([////synthesis.branch/when /when.when] [////synthesis.loop/scope /loop.scope] [////synthesis.function/abstraction /function.function]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/case.lux deleted file mode 100644 index 090c2587e..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/case.lux +++ /dev/null @@ -1,362 +0,0 @@ -(.require - [library - [lux (.except case exec let if symbol) - [abstract - ["[0]" monad (.only do)]] - [data - ["[0]" text (.only) - ["%" \\format (.only format)]] - [collection - ["[0]" list (.use "[1]#[0]" functor mix)] - ["[0]" set]]] - [math - [number - ["n" nat] - ["i" int]]] - [meta - [macro - ["^" pattern]] - [target - ["_" python (.only Expression SVar Statement)]]]]] - ["[0]" // - ["[1][0]" runtime (.only Operation Phase Generator Phase! Generator!)] - ["[1][0]" reference] - ["[1][0]" primitive] - ["/[1]" // - ["[1][0]" reference] - ["/[1]" // - [synthesis - ["[0]" case]] - ["/[1]" // - ["[1][0]" generation] - ["[1][0]" synthesis (.only Synthesis Path) - [access - ["[0]" member (.only Member)]]] - ["//[1]" /// - [reference - ["[1][0]" variable (.only Register)]] - ["[1][0]" phase (.use "[1]#[0]" monad)] - [meta - [archive (.only Archive)] - ["[0]" cache - [dependency - ["[1]" artifact]]]]]]]]]) - -(def .public (symbol prefix) - (-> Text (Operation SVar)) - (///////phase#each (|>> %.nat (format prefix) _.var) - /////generation.next)) - -(def .public register - (-> Register SVar) - (|>> (///reference.local //reference.system) as_expected)) - -(def .public capture - (-> Register SVar) - (|>> (///reference.foreign //reference.system) as_expected)) - -(def .public (let expression archive [valueS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (expression archive bodyS)] - ... TODO: Find some way to do 'let' without paying the price of the closure. - (in (_.apply (list valueO) - (_.lambda (list (..register register)) - bodyO))))) - -(def .public (let! statement expression archive [valueS register bodyS]) - (Generator! [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (statement expression archive bodyS)] - (in (all _.then - (_.set (list (..register register)) valueO) - bodyO)))) - -(def .public (exec expression archive [pre post]) - (Generator [Synthesis Synthesis]) - (do ///////phase.monad - [pre (expression archive pre) - post (expression archive post)] - (in (_.item (_.int +1) (_.tuple (list pre post)))))) - -(def .public (exec! statement expression archive [pre post]) - (Generator! [Synthesis Synthesis]) - (do ///////phase.monad - [pre (expression archive pre) - post (statement expression archive post)] - (in (all _.then - (_.statement pre) - post)))) - -(def .public (if expression archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testO (expression archive testS) - thenO (expression archive thenS) - elseO (expression archive elseS)] - (in (_.? testO thenO elseO)))) - -(def .public (if! statement expression archive [testS thenS elseS]) - (Generator! [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [test! (expression archive testS) - then! (statement expression archive thenS) - else! (statement expression archive elseS)] - (in (_.if test! - then! - else!)))) - -(def .public (get expression archive [pathP valueS]) - (Generator [(List Member) Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS)] - (in (list#mix (function (_ side source) - (.let [method (.if (the member.#right? side) - //runtime.tuple::right - //runtime.tuple::left)] - (method (_.int (.int (the member.#lefts side))) - source))) - valueO - (list.reversed pathP))))) - -(def @savepoint (_.var "lux_pm_savepoint")) -(def @cursor (_.var "lux_pm_cursor")) -(def @temp (_.var "lux_pm_temp")) - -(def (push! value) - (-> (Expression Any) (Statement Any)) - (_.statement (|> @cursor (_.do "append" (list value))))) - -(def peek_and_pop - (Expression Any) - (|> @cursor (_.do "pop" (list)))) - -(def pop! - (Statement Any) - (_.statement ..peek_and_pop)) - -(def peek - (Expression Any) - (_.item (_.int -1) @cursor)) - -(def save! - (Statement Any) - (.let [cursor (_.slice_from (_.int +0) @cursor)] - (_.statement (|> @savepoint (_.do "append" (list cursor)))))) - -(def restore! - (Statement Any) - (_.set (list @cursor) (|> @savepoint (_.do "pop" (list))))) - -(def fail_pm! _.break) - -(def (multi_pop! pops) - (-> Nat (Statement Any)) - (_.delete (_.slice_from (_.int (i.* -1 (.int pops))) @cursor))) - -(with_template [ ] - [(def ( simple? idx) - (-> Bit Nat (Statement Any)) - (all _.then - (_.set (list @temp) (//runtime.sum::get ..peek - (|> idx .int _.int))) - (.if simple? - (_.when (_.= _.none @temp) - fail_pm!) - (_.if (_.= _.none @temp) - fail_pm! - (..push! @temp)) - )))] - - [left_choice _.none] - [right_choice //runtime.unit] - ) - -(def (with_looping in_closure? g!once body!) - (-> Bit SVar (Statement Any) (Statement Any)) - (.if in_closure? - (_.while (_.bool true) - body! - {.#None}) - (all _.then - (_.set (list g!once) (_.bool true)) - (_.while g!once - (all _.then - (_.set (list g!once) (_.bool false)) - body!) - {.#Some _.continue})))) - -(def (alternation in_closure? g!once pre! post!) - (-> Bit SVar (Statement Any) (Statement Any) (Statement Any)) - (all _.then - (..with_looping in_closure? g!once - (all _.then - ..save! - pre!)) - ..restore! - post!)) - -(def (primitive_pattern_matching again pathP) - (-> (-> Path (Operation (Statement Any))) - (-> Path (Operation (Maybe (Statement Any))))) - (.case pathP - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in ..fail_pm!))] - (in {.#Some (.if when - (_.if ..peek - then! - else!) - (_.if ..peek - else! - then!))})) - - (^.with_template [ ] - [{ item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (at ! each - (|>> [(_.= (|> match ) - ..peek)]) - (again then))) - {.#Item item})] - (in {.#Some (list#mix (function (_ [when then] else) - (_.if when then else)) - ..fail_pm! - clauses)}))]) - ([/////synthesis.#I64_Fork (<| //primitive.i64 .int)] - [/////synthesis.#F64_Fork (<| //primitive.f64)] - [/////synthesis.#Text_Fork (<| //primitive.text)]) - - _ - (at ///////phase.monad in {.#None}))) - -(def (pattern_matching' in_closure? statement expression archive) - (-> Bit Phase! Phase Archive Path (Operation (Statement Any))) - (function (again pathP) - (do [! ///////phase.monad] - [?output (primitive_pattern_matching again pathP)] - (.case ?output - {.#Some output} - (in output) - - {.#None} - (.case pathP - {/////synthesis.#Then bodyS} - (statement expression archive bodyS) - - {/////synthesis.#Pop} - (///////phase#in ..pop!) - - {/////synthesis.#Bind register} - (///////phase#in (_.set (list (..register register)) ..peek)) - - (^.with_template [ ] - [( idx) - (///////phase#in ( false idx)) - - ( idx nextP) - (|> nextP - again - (///////phase#each (_.then ( true idx))))]) - ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] - [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) - - (/////synthesis.member/left 0) - (///////phase#in (|> ..peek (_.item (_.int +0)) ..push!)) - - (^.with_template [ ] - [( lefts) - (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) - ([/////synthesis.member/left //runtime.tuple::left] - [/////synthesis.member/right //runtime.tuple::right]) - - (/////synthesis.!bind_top register thenP) - (do ! - [then! (again thenP)] - (///////phase#in (all _.then - (_.set (list (..register register)) ..peek_and_pop) - then!))) - - (/////synthesis.!multi_pop nextP) - (.let [[extra_pops nextP'] (case.count_pops nextP)] - (do ! - [next! (again nextP')] - (///////phase#in (all _.then - (..multi_pop! (n.+ 2 extra_pops)) - next!)))) - - (/////synthesis.path/seq preP postP) - (do ! - [pre! (again preP) - post! (again postP)] - (in (_.then pre! post!))) - - (/////synthesis.path/alt preP postP) - (do ! - [pre! (again preP) - post! (again postP) - g!once (..symbol "once")] - (in (..alternation in_closure? g!once pre! post!))) - - _ - (undefined)))))) - -(def (pattern_matching in_closure? statement expression archive pathP) - (-> Bit Phase! Phase Archive Path (Operation (Statement Any))) - (do ///////phase.monad - [pattern_matching! (pattern_matching' in_closure? statement expression archive pathP) - g!once (..symbol "once")] - (in (all _.then - (..with_looping in_closure? g!once - pattern_matching!) - (_.raise (_.Exception/1 (_.string case.pattern_matching_error))))))) - -(def .public dependencies - (-> Path (List SVar)) - (|>> case.storage - (the case.#dependencies) - set.list - (list#each (function (_ variable) - (.case variable - {///////variable.#Local register} - (..register register) - - {///////variable.#Foreign register} - (..capture register)))))) - -(def .public (case! in_closure? statement expression archive [valueS pathP]) - (-> Bit (Generator! [Synthesis Path])) - (do ///////phase.monad - [stack_init (expression archive valueS) - pattern_matching! (pattern_matching in_closure? statement expression archive pathP)] - (in (all _.then - (_.set (list @cursor) (_.list (list stack_init))) - (_.set (list @savepoint) (_.list (list))) - pattern_matching! - )))) - -(def .public (case statement expression archive [valueS pathP]) - (-> Phase! (Generator [Synthesis Path])) - (do ///////phase.monad - [dependencies (cache.path_dependencies archive pathP) - [[case_module case_artifact] pattern_matching!] (/////generation.with_new_context - archive - dependencies - (case! true statement expression archive [valueS pathP])) - .let [@case (_.var (///reference.artifact [case_module case_artifact])) - @dependencies+ (..dependencies (/////synthesis.path/seq (/////synthesis.path/then valueS) - pathP)) - declaration (_.def @case @dependencies+ - pattern_matching!)] - _ (/////generation.execute! declaration) - _ (/////generation.save! case_artifact {.#None} declaration)] - (in (_.apply @dependencies+ @case)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/function.lux index 1d1021d11..7afc45ccb 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/function.lux @@ -15,7 +15,7 @@ ["[0]" // [runtime (.only Operation Phase Generator Phase! Generator!)] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["/[1]" // ["[1][0]" reference] @@ -48,7 +48,7 @@ (def (with_closure function_id @function inits function_definition) (-> artifact.ID SVar (List (Expression Any)) (Statement Any) (Operation (Expression Any))) - (case inits + (when inits {.#End} (do ///////phase.monad [_ (/////generation.execute! function_definition) @@ -68,7 +68,7 @@ (in (_.apply inits @function))))) (def input - (|>> ++ //case.register)) + (|>> ++ //when.register)) (def .public (function statement expression archive [environment arity bodyS]) (-> Phase! (Generator (Abstraction Synthesis))) @@ -84,7 +84,7 @@ @self (_.var (///reference.artifact [function_module function_artifact])) apply_poly (.function (_ args func) (_.apply (list (_.splat_poly args)) func)) - initialize_self! (_.set (list (//case.register 0)) @self) + initialize_self! (_.set (list (//when.register 0)) @self) initialize! (list#mix (.function (_ post pre!) (all _.then pre! diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/loop.lux index d767eeeeb..16df5397a 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/loop.lux @@ -18,12 +18,12 @@ ["_" python (.only Expression SVar Statement)]]]]] ["[0]" // [runtime (.only Operation Phase Generator Phase! Generator!)] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["/[1]" // [synthesis - ["[0]" case]] + ["[0]" when]] ["/[1]" // ["[0]" synthesis (.only Scope Synthesis)] ["[1][0]" generation] @@ -40,7 +40,7 @@ (-> Register (List (Expression Any)) (Statement Any) (Statement Any)) (let [variables (|> bindings list.enumeration - (list#each (|>> product.left (n.+ offset) //case.register)))] + (list#each (|>> product.left (n.+ offset) //when.register)))] (all _.then (_.set variables (_.multi bindings)) body))) @@ -53,7 +53,7 @@ (def .public (scope! statement expression archive [start initsS+ bodyS]) (Generator! (Scope Synthesis)) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (statement expression archive bodyS) @@ -70,7 +70,7 @@ (def .public (scope statement expression archive [start initsS+ bodyS]) (-> Phase! (Generator (Scope Synthesis))) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (expression archive bodyS) @@ -86,13 +86,13 @@ .let [@loop (_.var (///reference.artifact [loop_module loop_artifact])) locals (|> initsS+ list.enumeration - (list#each (|>> product.left (n.+ start) //case.register))) + (list#each (|>> product.left (n.+ start) //when.register))) actual_loop (<| (_.def @loop locals) ..set_scope body!) [declaration instantiation] (is [(Statement Any) (Expression Any)] - (case (|> (synthesis.path/then bodyS) - //case.dependencies + (when (|> (synthesis.path/then bodyS) + //when.dependencies (set.of_list _.hash) (set.difference (set.of_list _.hash locals)) set.list) @@ -115,7 +115,7 @@ (Generator! (List Synthesis)) (do [! ///////phase.monad] [offset /////generation.anchor - @temp (//case.symbol "lux_again_values") + @temp (//when.symbol "lux_again_values") argsO+ (monad.each ! (expression archive) argsS+) .let [re_binds (|> argsO+ list.enumeration diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/runtime.lux index d045b7d8e..38c5d87e3 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/runtime.lux @@ -127,7 +127,7 @@ (.form (<>.and .local (<>.some .local)))) code .any]) - (case declaration + (when declaration {.#Left name} (macro.with_symbols [g!_] (let [nameC (code.local name) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/structure.lux index 428320d23..f89cf244b 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/structure.lux @@ -18,7 +18,7 @@ (def .public (tuple generate archive elemsS+) (Generator (Tuple Synthesis)) - (case elemsS+ + (when elemsS+ {.#End} (///////phase#in (//primitive.text /////synthesis.unit)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/when.lux new file mode 100644 index 000000000..3666dc9fc --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/python/when.lux @@ -0,0 +1,362 @@ +(.require + [library + [lux (.except when exec let if symbol) + [abstract + ["[0]" monad (.only do)]] + [data + ["[0]" text (.only) + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" functor mix)] + ["[0]" set]]] + [math + [number + ["n" nat] + ["i" int]]] + [meta + [macro + ["^" pattern]] + [target + ["_" python (.only Expression SVar Statement)]]]]] + ["[0]" // + ["[1][0]" runtime (.only Operation Phase Generator Phase! Generator!)] + ["[1][0]" reference] + ["[1][0]" primitive] + ["/[1]" // + ["[1][0]" reference] + ["/[1]" // + [synthesis + ["[0]" when]] + ["/[1]" // + ["[1][0]" generation] + ["[1][0]" synthesis (.only Synthesis Path) + [access + ["[0]" member (.only Member)]]] + ["//[1]" /// + [reference + ["[1][0]" variable (.only Register)]] + ["[1][0]" phase (.use "[1]#[0]" monad)] + [meta + [archive (.only Archive)] + ["[0]" cache + [dependency + ["[1]" artifact]]]]]]]]]) + +(def .public (symbol prefix) + (-> Text (Operation SVar)) + (///////phase#each (|>> %.nat (format prefix) _.var) + /////generation.next)) + +(def .public register + (-> Register SVar) + (|>> (///reference.local //reference.system) as_expected)) + +(def .public capture + (-> Register SVar) + (|>> (///reference.foreign //reference.system) as_expected)) + +(def .public (let expression archive [valueS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (expression archive bodyS)] + ... TODO: Find some way to do 'let' without paying the price of the closure. + (in (_.apply (list valueO) + (_.lambda (list (..register register)) + bodyO))))) + +(def .public (let! statement expression archive [valueS register bodyS]) + (Generator! [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (statement expression archive bodyS)] + (in (all _.then + (_.set (list (..register register)) valueO) + bodyO)))) + +(def .public (exec expression archive [pre post]) + (Generator [Synthesis Synthesis]) + (do ///////phase.monad + [pre (expression archive pre) + post (expression archive post)] + (in (_.item (_.int +1) (_.tuple (list pre post)))))) + +(def .public (exec! statement expression archive [pre post]) + (Generator! [Synthesis Synthesis]) + (do ///////phase.monad + [pre (expression archive pre) + post (statement expression archive post)] + (in (all _.then + (_.statement pre) + post)))) + +(def .public (if expression archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testO (expression archive testS) + thenO (expression archive thenS) + elseO (expression archive elseS)] + (in (_.? testO thenO elseO)))) + +(def .public (if! statement expression archive [testS thenS elseS]) + (Generator! [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [test! (expression archive testS) + then! (statement expression archive thenS) + else! (statement expression archive elseS)] + (in (_.if test! + then! + else!)))) + +(def .public (get expression archive [pathP valueS]) + (Generator [(List Member) Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS)] + (in (list#mix (function (_ side source) + (.let [method (.if (the member.#right? side) + //runtime.tuple::right + //runtime.tuple::left)] + (method (_.int (.int (the member.#lefts side))) + source))) + valueO + (list.reversed pathP))))) + +(def @savepoint (_.var "lux_pm_savepoint")) +(def @cursor (_.var "lux_pm_cursor")) +(def @temp (_.var "lux_pm_temp")) + +(def (push! value) + (-> (Expression Any) (Statement Any)) + (_.statement (|> @cursor (_.do "append" (list value))))) + +(def peek_and_pop + (Expression Any) + (|> @cursor (_.do "pop" (list)))) + +(def pop! + (Statement Any) + (_.statement ..peek_and_pop)) + +(def peek + (Expression Any) + (_.item (_.int -1) @cursor)) + +(def save! + (Statement Any) + (.let [cursor (_.slice_from (_.int +0) @cursor)] + (_.statement (|> @savepoint (_.do "append" (list cursor)))))) + +(def restore! + (Statement Any) + (_.set (list @cursor) (|> @savepoint (_.do "pop" (list))))) + +(def fail_pm! _.break) + +(def (multi_pop! pops) + (-> Nat (Statement Any)) + (_.delete (_.slice_from (_.int (i.* -1 (.int pops))) @cursor))) + +(with_template [ ] + [(def ( simple? idx) + (-> Bit Nat (Statement Any)) + (all _.then + (_.set (list @temp) (//runtime.sum::get ..peek + (|> idx .int _.int))) + (.if simple? + (_.when (_.= _.none @temp) + fail_pm!) + (_.if (_.= _.none @temp) + fail_pm! + (..push! @temp)) + )))] + + [left_choice _.none] + [right_choice //runtime.unit] + ) + +(def (with_looping in_closure? g!once body!) + (-> Bit SVar (Statement Any) (Statement Any)) + (.if in_closure? + (_.while (_.bool true) + body! + {.#None}) + (all _.then + (_.set (list g!once) (_.bool true)) + (_.while g!once + (all _.then + (_.set (list g!once) (_.bool false)) + body!) + {.#Some _.continue})))) + +(def (alternation in_closure? g!once pre! post!) + (-> Bit SVar (Statement Any) (Statement Any) (Statement Any)) + (all _.then + (..with_looping in_closure? g!once + (all _.then + ..save! + pre!)) + ..restore! + post!)) + +(def (primitive_pattern_matching again pathP) + (-> (-> Path (Operation (Statement Any))) + (-> Path (Operation (Maybe (Statement Any))))) + (.when pathP + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in ..fail_pm!))] + (in {.#Some (.if when + (_.if ..peek + then! + else!) + (_.if ..peek + else! + then!))})) + + (^.with_template [ ] + [{ item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (at ! each + (|>> [(_.= (|> match ) + ..peek)]) + (again then))) + {.#Item item})] + (in {.#Some (list#mix (function (_ [when then] else) + (_.if when then else)) + ..fail_pm! + clauses)}))]) + ([/////synthesis.#I64_Fork (<| //primitive.i64 .int)] + [/////synthesis.#F64_Fork (<| //primitive.f64)] + [/////synthesis.#Text_Fork (<| //primitive.text)]) + + _ + (at ///////phase.monad in {.#None}))) + +(def (pattern_matching' in_closure? statement expression archive) + (-> Bit Phase! Phase Archive Path (Operation (Statement Any))) + (function (again pathP) + (do [! ///////phase.monad] + [?output (primitive_pattern_matching again pathP)] + (.when ?output + {.#Some output} + (in output) + + {.#None} + (.when pathP + {/////synthesis.#Then bodyS} + (statement expression archive bodyS) + + {/////synthesis.#Pop} + (///////phase#in ..pop!) + + {/////synthesis.#Bind register} + (///////phase#in (_.set (list (..register register)) ..peek)) + + (^.with_template [ ] + [( idx) + (///////phase#in ( false idx)) + + ( idx nextP) + (|> nextP + again + (///////phase#each (_.then ( true idx))))]) + ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] + [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) + + (/////synthesis.member/left 0) + (///////phase#in (|> ..peek (_.item (_.int +0)) ..push!)) + + (^.with_template [ ] + [( lefts) + (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) + ([/////synthesis.member/left //runtime.tuple::left] + [/////synthesis.member/right //runtime.tuple::right]) + + (/////synthesis.!bind_top register thenP) + (do ! + [then! (again thenP)] + (///////phase#in (all _.then + (_.set (list (..register register)) ..peek_and_pop) + then!))) + + (/////synthesis.!multi_pop nextP) + (.let [[extra_pops nextP'] (when.count_pops nextP)] + (do ! + [next! (again nextP')] + (///////phase#in (all _.then + (..multi_pop! (n.+ 2 extra_pops)) + next!)))) + + (/////synthesis.path/seq preP postP) + (do ! + [pre! (again preP) + post! (again postP)] + (in (_.then pre! post!))) + + (/////synthesis.path/alt preP postP) + (do ! + [pre! (again preP) + post! (again postP) + g!once (..symbol "once")] + (in (..alternation in_closure? g!once pre! post!))) + + _ + (undefined)))))) + +(def (pattern_matching in_closure? statement expression archive pathP) + (-> Bit Phase! Phase Archive Path (Operation (Statement Any))) + (do ///////phase.monad + [pattern_matching! (pattern_matching' in_closure? statement expression archive pathP) + g!once (..symbol "once")] + (in (all _.then + (..with_looping in_closure? g!once + pattern_matching!) + (_.raise (_.Exception/1 (_.string when.pattern_matching_error))))))) + +(def .public dependencies + (-> Path (List SVar)) + (|>> when.storage + (the when.#dependencies) + set.list + (list#each (function (_ variable) + (.when variable + {///////variable.#Local register} + (..register register) + + {///////variable.#Foreign register} + (..capture register)))))) + +(def .public (when! in_closure? statement expression archive [valueS pathP]) + (-> Bit (Generator! [Synthesis Path])) + (do ///////phase.monad + [stack_init (expression archive valueS) + pattern_matching! (pattern_matching in_closure? statement expression archive pathP)] + (in (all _.then + (_.set (list @cursor) (_.list (list stack_init))) + (_.set (list @savepoint) (_.list (list))) + pattern_matching! + )))) + +(def .public (when statement expression archive [valueS pathP]) + (-> Phase! (Generator [Synthesis Path])) + (do ///////phase.monad + [dependencies (cache.path_dependencies archive pathP) + [[when_module when_artifact] pattern_matching!] (/////generation.with_new_context + archive + dependencies + (when! true statement expression archive [valueS pathP])) + .let [@when (_.var (///reference.artifact [when_module when_artifact])) + @dependencies+ (..dependencies (/////synthesis.path/seq (/////synthesis.path/then valueS) + pathP)) + declaration (_.def @when @dependencies+ + pattern_matching!)] + _ (/////generation.execute! declaration) + _ (/////generation.save! when_artifact {.#None} declaration)] + (in (_.apply @dependencies+ @when)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r.lux index 7741ccce0..cf20229d8 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r.lux @@ -13,7 +13,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["[1][0]" function] ["/[1]" // @@ -30,7 +30,7 @@ (def .public (generate archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (//////phase#in ( value))]) @@ -47,12 +47,12 @@ ( generate archive value)]) ([////synthesis.variant /structure.variant] [////synthesis.tuple /structure.tuple] - [////synthesis.branch/let /case.let] - [////synthesis.branch/if /case.if] - [////synthesis.branch/get /case.get] + [////synthesis.branch/let /when.let] + [////synthesis.branch/if /when.if] + [////synthesis.branch/get /when.get] [////synthesis.function/apply /function.apply] - [////synthesis.branch/case /case.case] + [////synthesis.branch/when /when.when] [////synthesis.loop/scope /loop.scope] [////synthesis.loop/again /loop.again] [////synthesis.function/abstraction /function.function]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/case.lux deleted file mode 100644 index cc47ed212..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/case.lux +++ /dev/null @@ -1,242 +0,0 @@ -(.require - [library - [lux (.except case let if) - [abstract - ["[0]" monad (.only do)]] - [data - ["[0]" product] - ["[0]" text (.only) - ["%" \\format (.only format)]] - [collection - ["[0]" list (.use "[1]#[0]" functor mix)] - ["[0]" set]]] - [math - [number - ["i" int]]] - [meta - [macro - ["^" pattern] - ["[0]" template]] - [target - ["_" r (.only Expression SVar)]]]]] - ["[0]" // - ["[1][0]" runtime (.only Operation Phase Generator)] - ["[1][0]" reference] - ["[1][0]" primitive] - ["/[1]" // - ["[1][0]" reference] - ["/[1]" // - ["[1][0]" synthesis - ["[1]/[0]" case]] - ["/[1]" // - ["[1][0]" synthesis (.only Member Synthesis Path)] - ["[1][0]" generation] - ["//[1]" /// - [reference - ["[1][0]" variable (.only Register)]] - ["[1][0]" phase (.use "[1]#[0]" monad)] - [meta - [archive (.only Archive)]]]]]]]) - -(def .public register - (-> Register SVar) - (|>> (///reference.local //reference.system) as_expected)) - -(def .public capture - (-> Register SVar) - (|>> (///reference.foreign //reference.system) as_expected)) - -(def .public (let expression archive [valueS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (expression archive bodyS)] - (in (_.block - (all _.then - (_.set! (..register register) valueO) - bodyO))))) - -(def .public (if expression archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testO (expression archive testS) - thenO (expression archive thenS) - elseO (expression archive elseS)] - (in (_.if testO thenO elseO)))) - -(def .public (get expression archive [pathP valueS]) - (Generator [(List Member) Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS)] - (in (list#mix (function (_ side source) - (.let [method (.case side - (^.with_template [ ] - [( lefts) - ( (_.int (.int lefts)))]) - ([.#Left //runtime.tuple::left] - [.#Right //runtime.tuple::right]))] - (method source))) - valueO - (list.reversed pathP))))) - -(def $savepoint (_.var "lux_pm_cursor_savepoint")) -(def $cursor (_.var "lux_pm_cursor")) -(def $temp (_.var "lux_pm_temp")) -(def $alt_error (_.var "alt_error")) - -(def top - _.length) - -(def next - (|>> _.length (_.+ (_.int +1)))) - -(def (push! value var) - (-> Expression SVar Expression) - (_.set_item! (next var) value var)) - -(def (pop! var) - (-> SVar Expression) - (_.set_item! (top var) _.null var)) - -(def (push_cursor! value) - (-> Expression Expression) - (push! value $cursor)) - -(def save_cursor! - Expression - (push! (_.slice (_.float +1.0) (_.length $cursor) $cursor) - $savepoint)) - -(def restore_cursor! - Expression - (_.set! $cursor (_.item (top $savepoint) $savepoint))) - -(def peek - Expression - (|> $cursor (_.item (top $cursor)))) - -(def pop_cursor! - Expression - (pop! $cursor)) - -(def error - (_.string (template.with_locals [error] - (template.text [error])))) - -(def fail! - (_.stop ..error)) - -(def (catch handler) - (-> Expression Expression) - (_.function (list $alt_error) - (_.if (|> $alt_error (_.= ..error)) - handler - (_.stop $alt_error)))) - -(def (pattern_matching' expression archive) - (Generator Path) - (function (again pathP) - (.case pathP - {/////synthesis.#Then bodyS} - (expression archive bodyS) - - {/////synthesis.#Pop} - (///////phase#in ..pop_cursor!) - - {/////synthesis.#Bind register} - (///////phase#in (_.set! (..register register) ..peek)) - - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in ..fail!))] - (in (.if when - (_.if ..peek - then! - else!) - (_.if ..peek - else! - then!)))) - - (^.with_template [ <=>] - [{ item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (do ! - [then! (again then)] - (in [(<=> (|> match ) - ..peek) - then!]))) - {.#Item item})] - (in (list#mix (function (_ [when then] else) - (_.if when then else)) - ..fail! - clauses)))]) - ([/////synthesis.#I64_Fork //primitive.i64 //runtime.i64::=] - [/////synthesis.#F64_Fork //primitive.f64 _.=] - [/////synthesis.#Text_Fork //primitive.text _.=]) - - (^.with_template [ ] - [( idx) - (///////phase#in (all _.then - (_.set! $temp (|> idx .int _.int (//runtime.sum::get ..peek (//runtime.flag )))) - (_.if (_.= _.null $temp) - ..fail! - (..push_cursor! $temp))))]) - ([/////synthesis.side/left false (<|)] - [/////synthesis.side/right true ++]) - - (/////synthesis.member/left 0) - (///////phase#in (_.item (_.int +1) ..peek)) - - (^.with_template [ ] - [( lefts) - (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push_cursor!))]) - ([/////synthesis.member/left //runtime.tuple::left] - [/////synthesis.member/right //runtime.tuple::right]) - - (/////synthesis.path/seq leftP rightP) - (do ///////phase.monad - [leftO (again leftP) - rightO (again rightP)] - (in (all _.then - leftO - rightO))) - - (/////synthesis.path/alt leftP rightP) - (do [! ///////phase.monad] - [leftO (again leftP) - rightO (again rightP)] - (in (_.try (all _.then - ..save_cursor! - leftO) - {.#None} - {.#Some (..catch (all _.then - ..restore_cursor! - rightO))} - {.#None}))) - ))) - -(def (pattern_matching expression archive pathP) - (Generator Path) - (do ///////phase.monad - [pattern_matching! (pattern_matching' expression archive pathP)] - (in (_.try pattern_matching! - {.#None} - {.#Some (..catch (_.stop (_.string "Invalid expression for pattern-matching.")))} - {.#None})))) - -(def .public (case expression archive [valueS pathP]) - (Generator [Synthesis Path]) - (do [! ///////phase.monad] - [valueO (expression archive valueS)] - (<| (at ! each (|>> (all _.then - (_.set! $cursor (_.list (list valueO))) - (_.set! $savepoint (_.list (list)))) - _.block)) - (pattern_matching expression archive pathP)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/function.lux index 80f8ac48c..bf6d09b19 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/function.lux @@ -17,7 +17,7 @@ ["[0]" // ["[1][0]" runtime (.only Operation Phase Generator)] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["//[1]" /// @@ -42,7 +42,7 @@ (def (with_closure function_id $function inits function_definition) (-> artifact.ID SVar (List Expression) Expression (Operation Expression)) - (case inits + (when inits {.#End} (do ///////phase.monad [_ (/////generation.execute! function_definition) @@ -56,7 +56,7 @@ (_.function (|> inits list.size list.indices - (list#each //case.capture)) + (list#each //when.capture)) (all _.then function_definition $function)))] @@ -69,7 +69,7 @@ (def (input_declaration register) (-> Register Expression) - (_.set! (|> register ++ //case.register) + (_.set! (|> register ++ //when.register) (|> $curried (_.item (|> register ++ .int _.int))))) (def .public (function expression archive [environment arity bodyS]) @@ -94,7 +94,7 @@ (_.set! $num_args (_.length $curried)) (_.cond (list [(|> $num_args (_.= arityO)) (all _.then - (_.set! (//case.register 0) $self) + (_.set! (//when.register 0) $self) (|> arity list.indices (list#each input_declaration) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/loop.lux index 35477e3f7..7a72081e9 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/loop.lux @@ -18,12 +18,12 @@ ["_" r]]]]] ["[0]" // [runtime (.only Operation Phase Generator)] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["/[1]" // [synthesis - ["[0]" case]] + ["[0]" when]] ["/[1]" // ["[0]" synthesis (.only Scope Synthesis)] ["[1][0]" generation] @@ -36,7 +36,7 @@ (def .public (scope expression archive [offset initsS+ bodyS]) (Generator (Scope Synthesis)) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (expression archive bodyS) @@ -54,7 +54,7 @@ (_.function (|> initsS+ list.size list.indices - (list#each (|>> (n.+ offset) //case.register))) + (list#each (|>> (n.+ offset) //when.register))) bodyO)) (_.apply initsO+ $scope))))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/procedure/common.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/procedure/common.lux index a64f95bc9..f57141564 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/procedure/common.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/procedure/common.lux @@ -20,7 +20,7 @@ (host [r (.only Expression)]))) [///] (/// ["[0]T" runtime] - ["[0]T" case] + ["[0]T" when] ["[0]T" function] ["[0]T" loop])) @@ -56,7 +56,7 @@ (def (lux//if [testO thenO elseO]) Trinary - (caseT.translate_if testO thenO elseO)) + (whenT.translate_if testO thenO elseO)) (def (lux//try riskyO) Unary @@ -74,7 +74,7 @@ (-> Text Proc) (function (_ proc_name) (function (_ translate inputsS) - (case (s.result inputsS (all p.and s.nat (s.tuple (p.many s.any)) s.any)) + (when (s.result inputsS (all p.and s.nat (s.tuple (p.many s.any)) s.any)) {e.#Success [offset initsS+ bodyS]} (loopT.translate_loop translate offset initsS+ bodyS) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/procedure/host.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/procedure/host.lux index b5a3fcb3a..1b588bc61 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/procedure/host.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/procedure/host.lux @@ -24,7 +24,7 @@ ... (def (lua//global proc translate inputs) ... (-> Text @.Proc) -... (case inputs +... (when inputs ... (list [_ {.#Text name}]) ... (do macro.Monad ... [] @@ -35,7 +35,7 @@ ... (def (lua//call proc translate inputs) ... (-> Text @.Proc) -... (case inputs +... (when inputs ... (list.partial functionS argsS+) ... (do [@ macro.Monad] ... [functionO (translate functionS) @@ -55,7 +55,7 @@ ... (def (table//call proc translate inputs) ... (-> Text @.Proc) -... (case inputs +... (when inputs ... (list.partial tableS [_ {.#Text field}] argsS+) ... (do [@ macro.Monad] ... [tableO (translate tableS) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/runtime.lux index c23b725d5..261cba579 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/runtime.lux @@ -99,7 +99,7 @@ (macro.with_symbols [g!_] (let [runtime (code.local (///reference.artifact [..module_id runtime_id])) runtime_name (` (_.var (, (code.text (%.code runtime)))))] - (case declaration + (when declaration {.#Left name} (let [g!name (code.local name)] (in (list (` (def .public (, g!name) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/structure.lux index b381f8d63..77b7a3f62 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/structure.lux @@ -20,7 +20,7 @@ (def .public (tuple expression archive elemsS+) (Generator (Tuple Synthesis)) - (case elemsS+ + (when elemsS+ {.#End} (///////phase#in (//primitive.text /////synthesis.unit)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/when.lux new file mode 100644 index 000000000..0f2a0954c --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/r/when.lux @@ -0,0 +1,242 @@ +(.require + [library + [lux (.except when let if) + [abstract + ["[0]" monad (.only do)]] + [data + ["[0]" product] + ["[0]" text (.only) + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" functor mix)] + ["[0]" set]]] + [math + [number + ["i" int]]] + [meta + [macro + ["^" pattern] + ["[0]" template]] + [target + ["_" r (.only Expression SVar)]]]]] + ["[0]" // + ["[1][0]" runtime (.only Operation Phase Generator)] + ["[1][0]" reference] + ["[1][0]" primitive] + ["/[1]" // + ["[1][0]" reference] + ["/[1]" // + ["[1][0]" synthesis + ["[1]/[0]" when]] + ["/[1]" // + ["[1][0]" synthesis (.only Member Synthesis Path)] + ["[1][0]" generation] + ["//[1]" /// + [reference + ["[1][0]" variable (.only Register)]] + ["[1][0]" phase (.use "[1]#[0]" monad)] + [meta + [archive (.only Archive)]]]]]]]) + +(def .public register + (-> Register SVar) + (|>> (///reference.local //reference.system) as_expected)) + +(def .public capture + (-> Register SVar) + (|>> (///reference.foreign //reference.system) as_expected)) + +(def .public (let expression archive [valueS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (expression archive bodyS)] + (in (_.block + (all _.then + (_.set! (..register register) valueO) + bodyO))))) + +(def .public (if expression archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testO (expression archive testS) + thenO (expression archive thenS) + elseO (expression archive elseS)] + (in (_.if testO thenO elseO)))) + +(def .public (get expression archive [pathP valueS]) + (Generator [(List Member) Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS)] + (in (list#mix (function (_ side source) + (.let [method (.when side + (^.with_template [ ] + [( lefts) + ( (_.int (.int lefts)))]) + ([.#Left //runtime.tuple::left] + [.#Right //runtime.tuple::right]))] + (method source))) + valueO + (list.reversed pathP))))) + +(def $savepoint (_.var "lux_pm_cursor_savepoint")) +(def $cursor (_.var "lux_pm_cursor")) +(def $temp (_.var "lux_pm_temp")) +(def $alt_error (_.var "alt_error")) + +(def top + _.length) + +(def next + (|>> _.length (_.+ (_.int +1)))) + +(def (push! value var) + (-> Expression SVar Expression) + (_.set_item! (next var) value var)) + +(def (pop! var) + (-> SVar Expression) + (_.set_item! (top var) _.null var)) + +(def (push_cursor! value) + (-> Expression Expression) + (push! value $cursor)) + +(def save_cursor! + Expression + (push! (_.slice (_.float +1.0) (_.length $cursor) $cursor) + $savepoint)) + +(def restore_cursor! + Expression + (_.set! $cursor (_.item (top $savepoint) $savepoint))) + +(def peek + Expression + (|> $cursor (_.item (top $cursor)))) + +(def pop_cursor! + Expression + (pop! $cursor)) + +(def error + (_.string (template.with_locals [error] + (template.text [error])))) + +(def fail! + (_.stop ..error)) + +(def (catch handler) + (-> Expression Expression) + (_.function (list $alt_error) + (_.if (|> $alt_error (_.= ..error)) + handler + (_.stop $alt_error)))) + +(def (pattern_matching' expression archive) + (Generator Path) + (function (again pathP) + (.when pathP + {/////synthesis.#Then bodyS} + (expression archive bodyS) + + {/////synthesis.#Pop} + (///////phase#in ..pop_cursor!) + + {/////synthesis.#Bind register} + (///////phase#in (_.set! (..register register) ..peek)) + + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in ..fail!))] + (in (.if when + (_.if ..peek + then! + else!) + (_.if ..peek + else! + then!)))) + + (^.with_template [ <=>] + [{ item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (do ! + [then! (again then)] + (in [(<=> (|> match ) + ..peek) + then!]))) + {.#Item item})] + (in (list#mix (function (_ [when then] else) + (_.if when then else)) + ..fail! + clauses)))]) + ([/////synthesis.#I64_Fork //primitive.i64 //runtime.i64::=] + [/////synthesis.#F64_Fork //primitive.f64 _.=] + [/////synthesis.#Text_Fork //primitive.text _.=]) + + (^.with_template [ ] + [( idx) + (///////phase#in (all _.then + (_.set! $temp (|> idx .int _.int (//runtime.sum::get ..peek (//runtime.flag )))) + (_.if (_.= _.null $temp) + ..fail! + (..push_cursor! $temp))))]) + ([/////synthesis.side/left false (<|)] + [/////synthesis.side/right true ++]) + + (/////synthesis.member/left 0) + (///////phase#in (_.item (_.int +1) ..peek)) + + (^.with_template [ ] + [( lefts) + (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push_cursor!))]) + ([/////synthesis.member/left //runtime.tuple::left] + [/////synthesis.member/right //runtime.tuple::right]) + + (/////synthesis.path/seq leftP rightP) + (do ///////phase.monad + [leftO (again leftP) + rightO (again rightP)] + (in (all _.then + leftO + rightO))) + + (/////synthesis.path/alt leftP rightP) + (do [! ///////phase.monad] + [leftO (again leftP) + rightO (again rightP)] + (in (_.try (all _.then + ..save_cursor! + leftO) + {.#None} + {.#Some (..catch (all _.then + ..restore_cursor! + rightO))} + {.#None}))) + ))) + +(def (pattern_matching expression archive pathP) + (Generator Path) + (do ///////phase.monad + [pattern_matching! (pattern_matching' expression archive pathP)] + (in (_.try pattern_matching! + {.#None} + {.#Some (..catch (_.stop (_.string "Invalid expression for pattern-matching.")))} + {.#None})))) + +(def .public (when expression archive [valueS pathP]) + (Generator [Synthesis Path]) + (do [! ///////phase.monad] + [valueO (expression archive valueS)] + (<| (at ! each (|>> (all _.then + (_.set! $cursor (_.list (list valueO))) + (_.set! $savepoint (_.list (list)))) + _.block)) + (pattern_matching expression archive pathP)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/reference.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/reference.lux index ef720c4ae..2ec80b679 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/reference.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/reference.lux @@ -83,7 +83,7 @@ (def .public (variable system variable) (All (_ expression) (-> (System expression) Variable expression)) - (case variable + (when variable {variable.#Local register} (..local system register) @@ -93,7 +93,7 @@ (def .public (reference system archive reference) (All (_ anchor expression declaration) (-> (System expression) Archive Reference (////generation.Operation anchor expression declaration expression))) - (case reference + (when reference {reference.#Constant value} (..constant system archive value) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby.lux index f3e5aed3c..9c2719467 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby.lux @@ -16,7 +16,7 @@ ["[1][0]" structure] ["[1][0]" reference] ["[1][0]" function] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["/[1]" // ["[1][0]" reference] @@ -37,7 +37,7 @@ (def (expression archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (//////phase#in ( value))]) @@ -52,17 +52,17 @@ ([////synthesis.variant /structure.variant] [////synthesis.tuple /structure.tuple] - [////synthesis.branch/exec /case.exec] - [////synthesis.branch/let /case.let] - [////synthesis.branch/if /case.if] - [////synthesis.branch/get /case.get] + [////synthesis.branch/exec /when.exec] + [////synthesis.branch/let /when.let] + [////synthesis.branch/if /when.if] + [////synthesis.branch/get /when.get] [////synthesis.function/apply /function.apply]) (^.with_template [ ] [( value) ( ///extension/common.statement expression archive value)]) - ([////synthesis.branch/case /case.case] + ([////synthesis.branch/when /when.when] [////synthesis.loop/scope /loop.scope] [////synthesis.function/abstraction /function.function]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/case.lux deleted file mode 100644 index 88a7e039e..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/case.lux +++ /dev/null @@ -1,382 +0,0 @@ -(.require - [library - [lux (.except case exec let if symbol) - [abstract - ["[0]" monad (.only do)]] - [data - ["[0]" text (.only) - ["%" \\format (.only format)]] - [collection - ["[0]" list (.use "[1]#[0]" functor mix)] - ["[0]" set]]] - [math - [number - ["n" nat] - ["i" int]]] - [meta - [macro - ["^" pattern]] - [target - ["_" ruby (.only Expression LVar Statement)]]]]] - ["[0]" // - ["[1][0]" runtime (.only Operation Phase Generator Phase! Generator!)] - ["[1][0]" reference] - ["[1][0]" primitive] - ["/[1]" // - ["[1][0]" reference] - ["/[1]" // - [synthesis - ["[0]" case]] - ["/[1]" // - ["[1][0]" generation] - ["[1][0]" synthesis (.only Synthesis Path) - [access - ["[0]" member (.only Member)]]] - ["//[1]" /// - [reference - ["[1][0]" variable (.only Register)]] - ["[1][0]" phase (.use "[1]#[0]" monad)] - [meta - [archive (.only Archive)]]]]]]]) - -(def .public (symbol prefix) - (-> Text (Operation LVar)) - (///////phase#each (|>> %.nat (format prefix) _.local) /////generation.next)) - -(def .public register - (-> Register LVar) - (|>> (///reference.local //reference.system) as_expected)) - -(def .public capture - (-> Register LVar) - (|>> (///reference.foreign //reference.system) as_expected)) - -(def .public (exec expression archive [this that]) - (Generator [Synthesis Synthesis]) - (do ///////phase.monad - [this (expression archive this) - that (expression archive that)] - (in (|> (_.array (list this that)) - (_.item (_.int +1)))))) - -(def .public (exec! statement expression archive [this that]) - (Generator! [Synthesis Synthesis]) - (do ///////phase.monad - [this (expression archive this) - that (statement expression archive that)] - (in (all _.then - (_.statement this) - that - )))) - -(def .public (let expression archive [valueS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (expression archive bodyS)] - ... TODO: Find some way to do 'let' without paying the price of the closure. - (in (|> bodyO - _.return - [(list (..register register))] (_.lambda {.#None}) - (_.apply_lambda (list valueO)))))) - -(def .public (let! statement expression archive [valueS register bodyS]) - (Generator! [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (statement expression archive bodyS)] - (in (all _.then - (_.set (list (..register register)) valueO) - bodyO)))) - -(def .public (if expression archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testO (expression archive testS) - thenO (expression archive thenS) - elseO (expression archive elseS)] - (in (_.? testO thenO elseO)))) - -(def .public (if! statement expression archive [testS thenS elseS]) - (Generator! [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [test! (expression archive testS) - then! (statement expression archive thenS) - else! (statement expression archive elseS)] - (in (_.if test! - then! - else!)))) - -(def .public (get expression archive [pathP valueS]) - (Generator [(List Member) Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS)] - (in (list#mix (function (_ side source) - (.let [method (.if (the member.#right? side) - (//runtime.tuple//right (_.int (.int (the member.#lefts side)))) - (//runtime.tuple//left (_.int (.int (the member.#lefts side)))))] - (method source))) - valueO - (list.reversed pathP))))) - -(def @savepoint (_.local "lux_pm_savepoint")) -(def @cursor (_.local "lux_pm_cursor")) -(def @temp (_.local "lux_pm_temp")) - -(def (push! value) - (-> Expression Statement) - (_.statement (|> @cursor (_.do "push" (list value) {.#None})))) - -(def peek_and_pop - Expression - (|> @cursor (_.do "pop" (list) {.#None}))) - -(def pop! - Statement - (_.statement ..peek_and_pop)) - -(def peek - Expression - (_.item (_.int -1) @cursor)) - -(def save! - Statement - (.let [cursor (_.array_range (_.int +0) (_.int -1) @cursor)] - (_.statement (|> @savepoint (_.do "push" (list cursor) {.#None}))))) - -(def restore! - Statement - (_.set (list @cursor) (|> @savepoint (_.do "pop" (list) {.#None})))) - -(def fail! _.break) - -(def (multi_pop! pops) - (-> Nat Statement) - (_.statement (_.do "slice!" - (list (_.int (i.* -1 (.int pops))) - (_.int (.int pops))) - {.#None} - @cursor))) - -(with_template [ ] - [(def ( simple? idx) - (-> Bit Nat Statement) - (all _.then - (_.set (list @temp) (//runtime.sum//get ..peek - (|> idx .int _.int))) - (.if simple? - (_.when (_.= _.nil @temp) - fail!) - (_.if (_.= _.nil @temp) - fail! - (..push! @temp)))))] - - [left_choice _.nil] - [right_choice //runtime.unit] - ) - -(def (with_looping in_closure? g!once g!continue? body!) - (-> Bit LVar LVar Statement Statement) - (.if in_closure? - (all _.then - (_.while (_.bool true) - body!)) - (all _.then - (_.set (list g!once) (_.bool true)) - (_.set (list g!continue?) (_.bool false)) - (<| (_.while (_.bool true)) - (_.if g!once - (all _.then - (_.set (list g!once) (_.bool false)) - body!) - (all _.then - (_.set (list g!continue?) (_.bool true)) - _.break))) - (_.when g!continue? - _.next)))) - -(def (alternation in_closure? g!once g!continue? pre! post!) - (-> Bit LVar LVar Statement Statement Statement) - (all _.then - (with_looping in_closure? g!once g!continue? - (all _.then - ..save! - pre!)) - ..restore! - post!)) - -(def (primitive_pattern_matching again pathP) - (-> (-> Path (Operation Statement)) - (-> Path (Operation (Maybe Statement)))) - (.case pathP - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in ..fail!))] - (in {.#Some (.if when - (_.if ..peek - then! - else!) - (_.if ..peek - else! - then!))})) - - (^.with_template [ ] - [{ item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (at ! each - (|>> [(_.= (|> match ) - ..peek)]) - (again then))) - {.#Item item})] - (in {.#Some (list#mix (function (_ [when then] else) - (_.if when then else)) - ..fail! - clauses)}))]) - ([/////synthesis.#I64_Fork (<| //primitive.i64 .int)] - [/////synthesis.#F64_Fork (<| //primitive.f64)] - [/////synthesis.#Text_Fork (<| //primitive.text)]) - - _ - (at ///////phase.monad in {.#None}))) - -(def (pattern_matching' in_closure? statement expression archive) - (-> Bit (Generator! Path)) - (function (again pathP) - (do ///////phase.monad - [?output (primitive_pattern_matching again pathP)] - (.case ?output - {.#Some output} - (in output) - - {.#None} - (.case pathP - {/////synthesis.#Then bodyS} - (statement expression archive bodyS) - - {/////synthesis.#Pop} - (///////phase#in ..pop!) - - {/////synthesis.#Bind register} - (///////phase#in (_.set (list (..register register)) ..peek)) - - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in ..fail!))] - (in (.if when - (_.if ..peek - then! - else!) - (_.if ..peek - else! - then!)))) - - (^.with_template [ ] - [{ item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (at ! each - (|>> [(_.= (|> match ) - ..peek)]) - (again then))) - {.#Item item})] - (in (list#mix (function (_ [when then] else) - (_.if when then else)) - ..fail! - clauses)))]) - ([/////synthesis.#I64_Fork (<| //primitive.i64 .int)] - [/////synthesis.#F64_Fork (<| //primitive.f64)] - [/////synthesis.#Text_Fork (<| //primitive.text)]) - - (^.with_template [ ] - [( idx) - (///////phase#in ( false idx)) - - ( idx nextP) - (|> nextP - again - (///////phase#each (_.then ( true idx))))]) - ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] - [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) - - (/////synthesis.member/left 0) - (///////phase#in (|> ..peek (_.item (_.int +0)) ..push!)) - - (^.with_template [ ] - [( lefts) - (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) - ([/////synthesis.member/left //runtime.tuple//left] - [/////synthesis.member/right //runtime.tuple//right]) - - (/////synthesis.!bind_top register thenP) - (do ///////phase.monad - [then! (again thenP)] - (///////phase#in (all _.then - (_.set (list (..register register)) ..peek_and_pop) - then!))) - - (/////synthesis.!multi_pop nextP) - (.let [[extra_pops nextP'] (case.count_pops nextP)] - (do ///////phase.monad - [next! (again nextP')] - (///////phase#in (all _.then - (..multi_pop! (n.+ 2 extra_pops)) - next!)))) - - (/////synthesis.path/seq preP postP) - (do ///////phase.monad - [pre! (again preP) - post! (again postP)] - (in (all _.then - pre! - post!))) - - (/////synthesis.path/alt preP postP) - (do ///////phase.monad - [pre! (again preP) - post! (again postP) - g!once (..symbol "once") - g!continue? (..symbol "continue")] - (in (..alternation in_closure? g!once g!continue? pre! post!)))))))) - -(def (pattern_matching in_closure? statement expression archive pathP) - (-> Bit (Generator! Path)) - (do ///////phase.monad - [pattern_matching! (pattern_matching' in_closure? statement expression archive pathP) - g!once (..symbol "once") - g!continue? (..symbol "continue")] - (in (all _.then - (..with_looping in_closure? g!once g!continue? - pattern_matching!) - (_.statement (_.raise (_.string case.pattern_matching_error))))))) - -(def .public (case! in_closure? statement expression archive [valueS pathP]) - (-> Bit (Generator! [Synthesis Path])) - (do ///////phase.monad - [stack_init (expression archive valueS) - pattern_matching! (pattern_matching in_closure? statement expression archive pathP)] - (in (all _.then - (_.set (list @cursor) (_.array (list stack_init))) - (_.set (list @savepoint) (_.array (list))) - pattern_matching! - )))) - -(def .public (case statement expression archive case) - (-> Phase! (Generator [Synthesis Path])) - (|> case - (case! true statement expression archive) - (at ///////phase.monad each - (|>> [(list)] (_.lambda {.#None}) - (_.apply_lambda (list)))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/function.lux index 51cf79c55..fc63bb4fa 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/function.lux @@ -15,7 +15,7 @@ ["[0]" // [runtime (.only Operation Phase Generator Phase! Generator!)] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["/[1]" // ["[1][0]" reference] @@ -47,7 +47,7 @@ (def (with_closure inits self function_definition) (-> (List Expression) Text Expression [Statement Expression]) (let [@self (_.global self)] - (case inits + (when inits {.#End} [(_.set (list @self) function_definition) @self] @@ -63,7 +63,7 @@ (_.apply_lambda inits @self)]))) (def input - (|>> ++ //case.register)) + (|>> ++ //when.register)) (def .public (function statement expression archive [environment arity bodyS]) (-> Phase! (Generator (Abstraction Synthesis))) @@ -79,13 +79,13 @@ limitO (|> arity -- .int _.int) @num_args (_.local "num_args") @self (is _.Location - (case closureO+ + (when closureO+ {.#End} (_.global function_name) _ (_.local function_name))) - initialize_self! (_.set (list (//case.register 0)) @self) + initialize_self! (_.set (list (//when.register 0)) @self) initialize! (list#mix (.function (_ post pre!) (all _.then pre! diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/loop.lux index 1a82b9e18..25feac999 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/loop.lux @@ -18,12 +18,12 @@ ["_" ruby (.only Expression LVar Statement)]]]]] ["[0]" // [runtime (.only Operation Phase Generator Phase! Generator!)] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["/[1]" // [synthesis - ["[0]" case]] + ["[0]" when]] ["/[1]" // ["[0]" synthesis (.only Scope Synthesis)] ["[1][0]" generation] @@ -36,7 +36,7 @@ (-> Register (List Expression) Statement Statement) (let [variables (|> bindings list.enumeration - (list#each (|>> product.left (n.+ offset) //case.register)))] + (list#each (|>> product.left (n.+ offset) //when.register)))] (all _.then (_.set variables (_.multi bindings)) body))) @@ -50,7 +50,7 @@ (def .public (scope! statement expression archive [start initsS+ bodyS]) (Generator! (Scope Synthesis)) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (statement expression archive bodyS) @@ -67,7 +67,7 @@ (def .public (scope statement expression archive [start initsS+ bodyS]) (-> Phase! (Generator (Scope Synthesis))) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (expression archive bodyS) @@ -84,7 +84,7 @@ (Generator! (List Synthesis)) (do [! ///////phase.monad] [offset /////generation.anchor - @temp (//case.symbol "lux_again_values") + @temp (//when.symbol "lux_again_values") argsO+ (monad.each ! (expression archive) argsS+) .let [re_binds (|> argsO+ list.enumeration diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/runtime.lux index b193b5b84..9cb620e31 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/runtime.lux @@ -112,7 +112,7 @@ (do meta.monad [runtime_id meta.seed] (macro.with_symbols [g!_] - (case declaration + (when declaration {.#Left name} (macro.with_symbols [g!_] (let [runtime (code.local (///reference.artifact [..module_id runtime_id])) @@ -599,13 +599,13 @@ Statement (all _.then (_.when ..mruby? - ... We're in mRuby/DragonRuby territory. - (_.statement - (_.do "class_eval" (list) {.#Some [(list (_.local "_")) - (_.statement - (_.alias_method/2 (_.string "remainder") - (_.string "remainder_of_divide")))]} - $Numeric))) + ... We're in mRuby/DragonRuby territory. + (_.statement + (_.do "class_eval" (list) {.#Some [(list (_.local "_")) + (_.statement + (_.alias_method/2 (_.string "remainder") + (_.string "remainder_of_divide")))]} + $Numeric))) runtime//adt runtime//lux runtime//i64 diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/structure.lux index 5947bc8c4..a879af9d3 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/structure.lux @@ -18,7 +18,7 @@ (def .public (tuple generate archive elemsS+) (Generator (Tuple Synthesis)) - (case elemsS+ + (when elemsS+ {.#End} (///////phase#in (//primitive.text /////synthesis.unit)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/when.lux new file mode 100644 index 000000000..28599463f --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/ruby/when.lux @@ -0,0 +1,382 @@ +(.require + [library + [lux (.except when exec let if symbol) + [abstract + ["[0]" monad (.only do)]] + [data + ["[0]" text (.only) + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" functor mix)] + ["[0]" set]]] + [math + [number + ["n" nat] + ["i" int]]] + [meta + [macro + ["^" pattern]] + [target + ["_" ruby (.only Expression LVar Statement)]]]]] + ["[0]" // + ["[1][0]" runtime (.only Operation Phase Generator Phase! Generator!)] + ["[1][0]" reference] + ["[1][0]" primitive] + ["/[1]" // + ["[1][0]" reference] + ["/[1]" // + [synthesis + ["[0]" when]] + ["/[1]" // + ["[1][0]" generation] + ["[1][0]" synthesis (.only Synthesis Path) + [access + ["[0]" member (.only Member)]]] + ["//[1]" /// + [reference + ["[1][0]" variable (.only Register)]] + ["[1][0]" phase (.use "[1]#[0]" monad)] + [meta + [archive (.only Archive)]]]]]]]) + +(def .public (symbol prefix) + (-> Text (Operation LVar)) + (///////phase#each (|>> %.nat (format prefix) _.local) /////generation.next)) + +(def .public register + (-> Register LVar) + (|>> (///reference.local //reference.system) as_expected)) + +(def .public capture + (-> Register LVar) + (|>> (///reference.foreign //reference.system) as_expected)) + +(def .public (exec expression archive [this that]) + (Generator [Synthesis Synthesis]) + (do ///////phase.monad + [this (expression archive this) + that (expression archive that)] + (in (|> (_.array (list this that)) + (_.item (_.int +1)))))) + +(def .public (exec! statement expression archive [this that]) + (Generator! [Synthesis Synthesis]) + (do ///////phase.monad + [this (expression archive this) + that (statement expression archive that)] + (in (all _.then + (_.statement this) + that + )))) + +(def .public (let expression archive [valueS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (expression archive bodyS)] + ... TODO: Find some way to do 'let' without paying the price of the closure. + (in (|> bodyO + _.return + [(list (..register register))] (_.lambda {.#None}) + (_.apply_lambda (list valueO)))))) + +(def .public (let! statement expression archive [valueS register bodyS]) + (Generator! [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (statement expression archive bodyS)] + (in (all _.then + (_.set (list (..register register)) valueO) + bodyO)))) + +(def .public (if expression archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testO (expression archive testS) + thenO (expression archive thenS) + elseO (expression archive elseS)] + (in (_.? testO thenO elseO)))) + +(def .public (if! statement expression archive [testS thenS elseS]) + (Generator! [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [test! (expression archive testS) + then! (statement expression archive thenS) + else! (statement expression archive elseS)] + (in (_.if test! + then! + else!)))) + +(def .public (get expression archive [pathP valueS]) + (Generator [(List Member) Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS)] + (in (list#mix (function (_ side source) + (.let [method (.if (the member.#right? side) + (//runtime.tuple//right (_.int (.int (the member.#lefts side)))) + (//runtime.tuple//left (_.int (.int (the member.#lefts side)))))] + (method source))) + valueO + (list.reversed pathP))))) + +(def @savepoint (_.local "lux_pm_savepoint")) +(def @cursor (_.local "lux_pm_cursor")) +(def @temp (_.local "lux_pm_temp")) + +(def (push! value) + (-> Expression Statement) + (_.statement (|> @cursor (_.do "push" (list value) {.#None})))) + +(def peek_and_pop + Expression + (|> @cursor (_.do "pop" (list) {.#None}))) + +(def pop! + Statement + (_.statement ..peek_and_pop)) + +(def peek + Expression + (_.item (_.int -1) @cursor)) + +(def save! + Statement + (.let [cursor (_.array_range (_.int +0) (_.int -1) @cursor)] + (_.statement (|> @savepoint (_.do "push" (list cursor) {.#None}))))) + +(def restore! + Statement + (_.set (list @cursor) (|> @savepoint (_.do "pop" (list) {.#None})))) + +(def fail! _.break) + +(def (multi_pop! pops) + (-> Nat Statement) + (_.statement (_.do "slice!" + (list (_.int (i.* -1 (.int pops))) + (_.int (.int pops))) + {.#None} + @cursor))) + +(with_template [ ] + [(def ( simple? idx) + (-> Bit Nat Statement) + (all _.then + (_.set (list @temp) (//runtime.sum//get ..peek + (|> idx .int _.int))) + (.if simple? + (_.when (_.= _.nil @temp) + fail!) + (_.if (_.= _.nil @temp) + fail! + (..push! @temp)))))] + + [left_choice _.nil] + [right_choice //runtime.unit] + ) + +(def (with_looping in_closure? g!once g!continue? body!) + (-> Bit LVar LVar Statement Statement) + (.if in_closure? + (all _.then + (_.while (_.bool true) + body!)) + (all _.then + (_.set (list g!once) (_.bool true)) + (_.set (list g!continue?) (_.bool false)) + (<| (_.while (_.bool true)) + (_.if g!once + (all _.then + (_.set (list g!once) (_.bool false)) + body!) + (all _.then + (_.set (list g!continue?) (_.bool true)) + _.break))) + (_.when g!continue? + _.next)))) + +(def (alternation in_closure? g!once g!continue? pre! post!) + (-> Bit LVar LVar Statement Statement Statement) + (all _.then + (with_looping in_closure? g!once g!continue? + (all _.then + ..save! + pre!)) + ..restore! + post!)) + +(def (primitive_pattern_matching again pathP) + (-> (-> Path (Operation Statement)) + (-> Path (Operation (Maybe Statement)))) + (.when pathP + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in ..fail!))] + (in {.#Some (.if when + (_.if ..peek + then! + else!) + (_.if ..peek + else! + then!))})) + + (^.with_template [ ] + [{ item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (at ! each + (|>> [(_.= (|> match ) + ..peek)]) + (again then))) + {.#Item item})] + (in {.#Some (list#mix (function (_ [when then] else) + (_.if when then else)) + ..fail! + clauses)}))]) + ([/////synthesis.#I64_Fork (<| //primitive.i64 .int)] + [/////synthesis.#F64_Fork (<| //primitive.f64)] + [/////synthesis.#Text_Fork (<| //primitive.text)]) + + _ + (at ///////phase.monad in {.#None}))) + +(def (pattern_matching' in_closure? statement expression archive) + (-> Bit (Generator! Path)) + (function (again pathP) + (do ///////phase.monad + [?output (primitive_pattern_matching again pathP)] + (.when ?output + {.#Some output} + (in output) + + {.#None} + (.when pathP + {/////synthesis.#Then bodyS} + (statement expression archive bodyS) + + {/////synthesis.#Pop} + (///////phase#in ..pop!) + + {/////synthesis.#Bind register} + (///////phase#in (_.set (list (..register register)) ..peek)) + + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in ..fail!))] + (in (.if when + (_.if ..peek + then! + else!) + (_.if ..peek + else! + then!)))) + + (^.with_template [ ] + [{ item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (at ! each + (|>> [(_.= (|> match ) + ..peek)]) + (again then))) + {.#Item item})] + (in (list#mix (function (_ [when then] else) + (_.if when then else)) + ..fail! + clauses)))]) + ([/////synthesis.#I64_Fork (<| //primitive.i64 .int)] + [/////synthesis.#F64_Fork (<| //primitive.f64)] + [/////synthesis.#Text_Fork (<| //primitive.text)]) + + (^.with_template [ ] + [( idx) + (///////phase#in ( false idx)) + + ( idx nextP) + (|> nextP + again + (///////phase#each (_.then ( true idx))))]) + ([/////synthesis.side/left /////synthesis.simple_left_side ..left_choice] + [/////synthesis.side/right /////synthesis.simple_right_side ..right_choice]) + + (/////synthesis.member/left 0) + (///////phase#in (|> ..peek (_.item (_.int +0)) ..push!)) + + (^.with_template [ ] + [( lefts) + (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push!))]) + ([/////synthesis.member/left //runtime.tuple//left] + [/////synthesis.member/right //runtime.tuple//right]) + + (/////synthesis.!bind_top register thenP) + (do ///////phase.monad + [then! (again thenP)] + (///////phase#in (all _.then + (_.set (list (..register register)) ..peek_and_pop) + then!))) + + (/////synthesis.!multi_pop nextP) + (.let [[extra_pops nextP'] (when.count_pops nextP)] + (do ///////phase.monad + [next! (again nextP')] + (///////phase#in (all _.then + (..multi_pop! (n.+ 2 extra_pops)) + next!)))) + + (/////synthesis.path/seq preP postP) + (do ///////phase.monad + [pre! (again preP) + post! (again postP)] + (in (all _.then + pre! + post!))) + + (/////synthesis.path/alt preP postP) + (do ///////phase.monad + [pre! (again preP) + post! (again postP) + g!once (..symbol "once") + g!continue? (..symbol "continue")] + (in (..alternation in_closure? g!once g!continue? pre! post!)))))))) + +(def (pattern_matching in_closure? statement expression archive pathP) + (-> Bit (Generator! Path)) + (do ///////phase.monad + [pattern_matching! (pattern_matching' in_closure? statement expression archive pathP) + g!once (..symbol "once") + g!continue? (..symbol "continue")] + (in (all _.then + (..with_looping in_closure? g!once g!continue? + pattern_matching!) + (_.statement (_.raise (_.string when.pattern_matching_error))))))) + +(def .public (when! in_closure? statement expression archive [valueS pathP]) + (-> Bit (Generator! [Synthesis Path])) + (do ///////phase.monad + [stack_init (expression archive valueS) + pattern_matching! (pattern_matching in_closure? statement expression archive pathP)] + (in (all _.then + (_.set (list @cursor) (_.array (list stack_init))) + (_.set (list @savepoint) (_.array (list))) + pattern_matching! + )))) + +(def .public (when statement expression archive when) + (-> Phase! (Generator [Synthesis Path])) + (|> when + (when! true statement expression archive) + (at ///////phase.monad each + (|>> [(list)] (_.lambda {.#None}) + (_.apply_lambda (list)))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme.lux index cdedd1a3d..e62788463 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme.lux @@ -13,7 +13,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" loop] ["[1][0]" function] ["/[1]" // @@ -30,7 +30,7 @@ (def .public (generate archive synthesis) Phase - (case synthesis + (when synthesis (^.with_template [ ] [( value) (//////phase#in ( value))]) @@ -47,12 +47,12 @@ ( generate archive value)]) ([////synthesis.variant /structure.variant] [////synthesis.tuple /structure.tuple] - [////synthesis.branch/let /case.let] - [////synthesis.branch/if /case.if] - [////synthesis.branch/get /case.get] + [////synthesis.branch/let /when.let] + [////synthesis.branch/if /when.if] + [////synthesis.branch/get /when.get] [////synthesis.function/apply /function.apply] - [////synthesis.branch/case /case.case] + [////synthesis.branch/when /when.when] [////synthesis.loop/scope /loop.scope] [////synthesis.loop/again /loop.again] [////synthesis.function/abstraction /function.function]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/case.lux deleted file mode 100644 index a1f679836..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/case.lux +++ /dev/null @@ -1,225 +0,0 @@ -(.require - [library - [lux (.except case let if) - [abstract - ["[0]" monad (.only do)]] - [data - ["[0]" product] - ["[0]" text (.only) - ["%" \\format (.only format)]] - [collection - ["[0]" list (.use "[1]#[0]" functor mix)] - ["[0]" set]]] - [math - [number - ["i" int]]] - [meta - [macro - ["^" pattern] - ["[0]" template]] - [target - ["_" scheme (.only Expression Computation Var)]]]]] - ["[0]" // - ["[1][0]" runtime (.only Operation Phase Generator)] - ["[1][0]" reference] - ["[1][0]" primitive] - ["/[1]" // - ["[1][0]" reference] - ["/[1]" // - ["[1][0]" synthesis - ["[1]/[0]" case]] - ["/[1]" // - ["[1][0]" synthesis (.only Member Synthesis Path)] - ["[1][0]" generation] - ["//[1]" /// - [reference - ["[1][0]" variable (.only Register)]] - ["[1][0]" phase (.use "[1]#[0]" monad)] - [meta - [archive (.only Archive)]]]]]]]) - -(def .public register - (-> Register Var) - (|>> (///reference.local //reference.system) as_expected)) - -(def .public capture - (-> Register Var) - (|>> (///reference.foreign //reference.system) as_expected)) - -(def .public (let expression archive [valueS register bodyS]) - (Generator [Synthesis Register Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS) - bodyO (expression archive bodyS)] - (in (_.let (list [(..register register) valueO]) - bodyO)))) - -(def .public (if expression archive [testS thenS elseS]) - (Generator [Synthesis Synthesis Synthesis]) - (do ///////phase.monad - [testO (expression archive testS) - thenO (expression archive thenS) - elseO (expression archive elseS)] - (in (_.if testO thenO elseO)))) - -(def .public (get expression archive [pathP valueS]) - (Generator [(List Member) Synthesis]) - (do ///////phase.monad - [valueO (expression archive valueS)] - (in (list#mix (function (_ side source) - (.let [method (.case side - (^.with_template [ ] - [( lefts) - ( (_.int (.int lefts)))]) - ([.#Left //runtime.tuple//left] - [.#Right //runtime.tuple//right]))] - (method source))) - valueO - (list.reversed pathP))))) - -(def @savepoint (_.var "lux_pm_cursor_savepoint")) -(def @cursor (_.var "lux_pm_cursor")) -(def @temp (_.var "lux_pm_temp")) -(def @alt_error (_.var "alt_error")) - -(def (push! value var) - (-> Expression Var Computation) - (_.set! var (_.cons/2 value var))) - -(def (push_cursor! value) - (-> Expression Computation) - (push! value @cursor)) - -(def (pop! var) - (-> Var Computation) - (_.set! var (_.cdr/1 var))) - -(def save_cursor! - Computation - (push! @cursor @savepoint)) - -(def restore_cursor! - Computation - (_.begin (list (_.set! @cursor (_.car/1 @savepoint)) - (_.set! @savepoint (_.cdr/1 @savepoint))))) - -(def peek - Computation - (_.car/1 @cursor)) - -(def pop_cursor! - Computation - (pop! @cursor)) - -(def pm_error - (_.string (template.with_locals [pm_error] - (template.text [pm_error])))) - -(def fail! - (_.raise/1 pm_error)) - -(def (try_pm on_failure happy_path) - (-> Expression Expression Computation) - (_.guard @alt_error - (list [(_.and (list (_.string?/1 @alt_error) - (_.string=?/2 ..pm_error @alt_error))) - on_failure]) - {.#None} - happy_path)) - -(def (pattern_matching' expression archive) - (Generator Path) - (function (again pathP) - (.case pathP - {/////synthesis.#Then bodyS} - (expression archive bodyS) - - {/////synthesis.#Pop} - (///////phase#in pop_cursor!) - - {/////synthesis.#Bind register} - (///////phase#in (_.define_constant (..register register) ..peek)) - - {/////synthesis.#Bit_Fork when thenP elseP} - (do [! ///////phase.monad] - [then! (again thenP) - else! (.case elseP - {.#Some elseP} - (again elseP) - - {.#None} - (in ..fail!))] - (in (.if when - (_.if ..peek - then! - else!) - (_.if ..peek - else! - then!)))) - - (^.with_template [ <=>] - [{ item} - (do [! ///////phase.monad] - [clauses (monad.each ! (function (_ [match then]) - (do ! - [then! (again then)] - (in [(<=> (|> match ) - ..peek) - then!]))) - {.#Item item})] - (in (list#mix (function (_ [when then] else) - (_.if when then else)) - ..fail! - clauses)))]) - ([/////synthesis.#I64_Fork //primitive.i64 _.=/2] - [/////synthesis.#F64_Fork //primitive.f64 _.=/2] - [/////synthesis.#Text_Fork //primitive.text _.string=?/2]) - - (^.with_template [ ] - [( idx) - (///////phase#in (_.let (list [@temp (|> idx .int _.int (//runtime.sum//get ..peek (_.bool )))]) - (_.if (_.null?/1 @temp) - ..fail! - (push_cursor! @temp))))]) - ([/////synthesis.side/left false (<|)] - [/////synthesis.side/right true ++]) - - (/////synthesis.member/left 0) - (///////phase#in (..push_cursor! (_.vector_ref/2 ..peek (_.int +0)))) - - (^.with_template [ ] - [( lefts) - (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push_cursor!))]) - ([/////synthesis.member/left //runtime.tuple//left] - [/////synthesis.member/right //runtime.tuple//right]) - - (/////synthesis.path/seq leftP rightP) - (do ///////phase.monad - [leftO (again leftP) - rightO (again rightP)] - (in (_.begin (list leftO - rightO)))) - - (/////synthesis.path/alt leftP rightP) - (do [! ///////phase.monad] - [leftO (again leftP) - rightO (again rightP)] - (in (try_pm (_.begin (list restore_cursor! - rightO)) - (_.begin (list save_cursor! - leftO))))) - ))) - -(def (pattern_matching expression archive pathP) - (Generator Path) - (at ///////phase.monad each - (try_pm (_.raise/1 (_.string "Invalid expression for pattern-matching."))) - (pattern_matching' expression archive pathP))) - -(def .public (case expression archive [valueS pathP]) - (Generator [Synthesis Path]) - (do [! ///////phase.monad] - [valueO (expression archive valueS)] - (<| (at ! each (_.let (list [@cursor (_.list/* (list valueO))] - [@savepoint (_.list/* (list))]))) - (pattern_matching expression archive pathP)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/function.lux index cbddbab59..5688d5457 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/function.lux @@ -17,7 +17,7 @@ ["[0]" // ["[1][0]" runtime (.only Operation Phase Generator)] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["//[1]" /// @@ -44,7 +44,7 @@ (def (with_closure inits function_definition) (-> (List Expression) Computation (Operation Computation)) (///////phase#in - (case inits + (when inits {.#End} function_definition @@ -59,7 +59,7 @@ (def @missing (_.var "missing")) (def input - (|>> ++ //case.register)) + (|>> ++ //when.register)) (def .public (function expression archive [environment arity bodyS]) (Generator (Abstraction Synthesis)) @@ -80,7 +80,7 @@ (_.letrec (list [@self (_.lambda [(list) {.#Some @curried}] (_.let (list [@num_args (_.length/1 @curried)]) (<| (_.if (|> @num_args (_.=/2 arityO)) - (<| (_.let (list [(//case.register 0) @self])) + (<| (_.let (list [(//when.register 0) @self])) (_.let_values (list [[(|> (list.indices arity) (list#each ..input)) {.#None}] diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/loop.lux index d8cf4511e..451de1c90 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/loop.lux @@ -18,12 +18,12 @@ ["_" scheme]]]]] ["[0]" // [runtime (.only Operation Phase Generator)] - ["[1][0]" case] + ["[1][0]" when] ["/[1]" // ["[1][0]" reference] ["/[1]" // [synthesis - ["[0]" case]] + ["[0]" when]] ["/[1]" // ["[0]" synthesis (.only Scope Synthesis)] ["[1][0]" generation] @@ -39,7 +39,7 @@ (def .public (scope expression archive [start initsS+ bodyS]) (Generator (Scope Synthesis)) - (case initsS+ + (when initsS+ ... function/false/non-independent loop {.#End} (expression archive bodyS) @@ -52,7 +52,7 @@ (expression archive bodyS))] (in (_.letrec (list [@scope (_.lambda [(|> initsS+ list.enumeration - (list#each (|>> product.left (n.+ start) //case.register))) + (list#each (|>> product.left (n.+ start) //when.register))) {.#None}] bodyO)]) (_.apply initsO+ @scope)))))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/runtime.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/runtime.lux index 31803cfab..e0eb242ec 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/runtime.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/runtime.lux @@ -81,7 +81,7 @@ (macro.with_symbols [g!_] (let [runtime (code.local (///reference.artifact [..module_id runtime_id])) runtime_name (` (_.var (, (code.text (%.code runtime)))))] - (case declaration + (when declaration {.#Left name} (let [g!name (code.local name)] (in (list (` (def .public (, g!name) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/structure.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/structure.lux index e98aa8ff4..526b833ff 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/structure.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/structure.lux @@ -20,7 +20,7 @@ (def .public (tuple expression archive elemsS+) (Generator (Tuple Synthesis)) - (case elemsS+ + (when elemsS+ {.#End} (///////phase#in (//primitive.text /////synthesis.unit)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/when.lux new file mode 100644 index 000000000..b70ccef33 --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/generation/scheme/when.lux @@ -0,0 +1,225 @@ +(.require + [library + [lux (.except when let if) + [abstract + ["[0]" monad (.only do)]] + [data + ["[0]" product] + ["[0]" text (.only) + ["%" \\format (.only format)]] + [collection + ["[0]" list (.use "[1]#[0]" functor mix)] + ["[0]" set]]] + [math + [number + ["i" int]]] + [meta + [macro + ["^" pattern] + ["[0]" template]] + [target + ["_" scheme (.only Expression Computation Var)]]]]] + ["[0]" // + ["[1][0]" runtime (.only Operation Phase Generator)] + ["[1][0]" reference] + ["[1][0]" primitive] + ["/[1]" // + ["[1][0]" reference] + ["/[1]" // + ["[1][0]" synthesis + ["[1]/[0]" when]] + ["/[1]" // + ["[1][0]" synthesis (.only Member Synthesis Path)] + ["[1][0]" generation] + ["//[1]" /// + [reference + ["[1][0]" variable (.only Register)]] + ["[1][0]" phase (.use "[1]#[0]" monad)] + [meta + [archive (.only Archive)]]]]]]]) + +(def .public register + (-> Register Var) + (|>> (///reference.local //reference.system) as_expected)) + +(def .public capture + (-> Register Var) + (|>> (///reference.foreign //reference.system) as_expected)) + +(def .public (let expression archive [valueS register bodyS]) + (Generator [Synthesis Register Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS) + bodyO (expression archive bodyS)] + (in (_.let (list [(..register register) valueO]) + bodyO)))) + +(def .public (if expression archive [testS thenS elseS]) + (Generator [Synthesis Synthesis Synthesis]) + (do ///////phase.monad + [testO (expression archive testS) + thenO (expression archive thenS) + elseO (expression archive elseS)] + (in (_.if testO thenO elseO)))) + +(def .public (get expression archive [pathP valueS]) + (Generator [(List Member) Synthesis]) + (do ///////phase.monad + [valueO (expression archive valueS)] + (in (list#mix (function (_ side source) + (.let [method (.when side + (^.with_template [ ] + [( lefts) + ( (_.int (.int lefts)))]) + ([.#Left //runtime.tuple//left] + [.#Right //runtime.tuple//right]))] + (method source))) + valueO + (list.reversed pathP))))) + +(def @savepoint (_.var "lux_pm_cursor_savepoint")) +(def @cursor (_.var "lux_pm_cursor")) +(def @temp (_.var "lux_pm_temp")) +(def @alt_error (_.var "alt_error")) + +(def (push! value var) + (-> Expression Var Computation) + (_.set! var (_.cons/2 value var))) + +(def (push_cursor! value) + (-> Expression Computation) + (push! value @cursor)) + +(def (pop! var) + (-> Var Computation) + (_.set! var (_.cdr/1 var))) + +(def save_cursor! + Computation + (push! @cursor @savepoint)) + +(def restore_cursor! + Computation + (_.begin (list (_.set! @cursor (_.car/1 @savepoint)) + (_.set! @savepoint (_.cdr/1 @savepoint))))) + +(def peek + Computation + (_.car/1 @cursor)) + +(def pop_cursor! + Computation + (pop! @cursor)) + +(def pm_error + (_.string (template.with_locals [pm_error] + (template.text [pm_error])))) + +(def fail! + (_.raise/1 pm_error)) + +(def (try_pm on_failure happy_path) + (-> Expression Expression Computation) + (_.guard @alt_error + (list [(_.and (list (_.string?/1 @alt_error) + (_.string=?/2 ..pm_error @alt_error))) + on_failure]) + {.#None} + happy_path)) + +(def (pattern_matching' expression archive) + (Generator Path) + (function (again pathP) + (.when pathP + {/////synthesis.#Then bodyS} + (expression archive bodyS) + + {/////synthesis.#Pop} + (///////phase#in pop_cursor!) + + {/////synthesis.#Bind register} + (///////phase#in (_.define_constant (..register register) ..peek)) + + {/////synthesis.#Bit_Fork when thenP elseP} + (do [! ///////phase.monad] + [then! (again thenP) + else! (.when elseP + {.#Some elseP} + (again elseP) + + {.#None} + (in ..fail!))] + (in (.if when + (_.if ..peek + then! + else!) + (_.if ..peek + else! + then!)))) + + (^.with_template [ <=>] + [{ item} + (do [! ///////phase.monad] + [clauses (monad.each ! (function (_ [match then]) + (do ! + [then! (again then)] + (in [(<=> (|> match ) + ..peek) + then!]))) + {.#Item item})] + (in (list#mix (function (_ [when then] else) + (_.if when then else)) + ..fail! + clauses)))]) + ([/////synthesis.#I64_Fork //primitive.i64 _.=/2] + [/////synthesis.#F64_Fork //primitive.f64 _.=/2] + [/////synthesis.#Text_Fork //primitive.text _.string=?/2]) + + (^.with_template [ ] + [( idx) + (///////phase#in (_.let (list [@temp (|> idx .int _.int (//runtime.sum//get ..peek (_.bool )))]) + (_.if (_.null?/1 @temp) + ..fail! + (push_cursor! @temp))))]) + ([/////synthesis.side/left false (<|)] + [/////synthesis.side/right true ++]) + + (/////synthesis.member/left 0) + (///////phase#in (..push_cursor! (_.vector_ref/2 ..peek (_.int +0)))) + + (^.with_template [ ] + [( lefts) + (///////phase#in (|> ..peek ( (_.int (.int lefts))) ..push_cursor!))]) + ([/////synthesis.member/left //runtime.tuple//left] + [/////synthesis.member/right //runtime.tuple//right]) + + (/////synthesis.path/seq leftP rightP) + (do ///////phase.monad + [leftO (again leftP) + rightO (again rightP)] + (in (_.begin (list leftO + rightO)))) + + (/////synthesis.path/alt leftP rightP) + (do [! ///////phase.monad] + [leftO (again leftP) + rightO (again rightP)] + (in (try_pm (_.begin (list restore_cursor! + rightO)) + (_.begin (list save_cursor! + leftO))))) + ))) + +(def (pattern_matching expression archive pathP) + (Generator Path) + (at ///////phase.monad each + (try_pm (_.raise/1 (_.string "Invalid expression for pattern-matching."))) + (pattern_matching' expression archive pathP))) + +(def .public (when expression archive [valueS pathP]) + (Generator [Synthesis Path]) + (do [! ///////phase.monad] + [valueO (expression archive valueS)] + (<| (at ! each (_.let (list [@cursor (_.list/* (list valueO))] + [@savepoint (_.list/* (list))]))) + (pattern_matching expression archive pathP)))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis.lux index b21dbdaae..fba249351 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis.lux @@ -15,7 +15,7 @@ ["^" pattern]]]]] ["[0]" / ["[1][0]" function] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" variable] ["/[1]" // ["[1][0]" extension] @@ -32,7 +32,7 @@ (def (simple analysis) (-> ///simple.Simple /simple.Simple) - (case analysis + (when analysis {///simple.#Unit} {/simple.#Text /.unit} @@ -53,7 +53,7 @@ (def (optimization archive) Phase (function (optimization' analysis) - (case analysis + (when analysis {///analysis.#Simple analysis'} (phase#in {/.#Simple (..simple analysis')}) @@ -62,7 +62,7 @@ {///analysis.#Structure structure} (/.with_currying? false - (case structure + (when structure {///complex.#Variant variant} (do phase.monad [valueS (optimization' (the ///complex.#value variant))] @@ -73,9 +73,9 @@ (monad.each phase.monad optimization') (phase#each (|>> /.tuple))))) - {///analysis.#Case inputA branchesAB+} + {///analysis.#When inputA branchesAB+} (/.with_currying? false - (/case.synthesize optimization branchesAB+ archive inputA)) + (/when.synthesize optimization branchesAB+ archive inputA)) (///analysis.no_op value) (optimization' value) @@ -92,7 +92,7 @@ (function (_ state) (|> (//extension.apply archive optimization [name args]) (phase.result' state) - (pipe.case + (pipe.when {try.#Success output} {try.#Success output} diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/case.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/case.lux deleted file mode 100644 index d6d6f31ed..000000000 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/case.lux +++ /dev/null @@ -1,467 +0,0 @@ -(.require - [library - [lux (.except Pattern) - [abstract - [equivalence (.only Equivalence)] - ["[0]" monad (.only do)]] - [control - ["[0]" pipe]] - [data - ["[0]" product] - ["[0]" bit (.use "[1]#[0]" equivalence)] - ["[0]" text (.use "[1]#[0]" equivalence)] - [collection - ["[0]" list (.use "[1]#[0]" functor mix monoid)] - ["[0]" set (.only Set)]]] - [math - [number - ["n" nat] - ["[0]" i64] - ["[0]" frac]]] - [meta - [macro - ["^" pattern]]]]] - ["[0]" /// - [// - ["[1][0]" analysis (.only Match Analysis) - ["[2][0]" simple] - ["[2][0]" complex] - ["[2][0]" pattern (.only Pattern)]] - ["/" synthesis (.only Path Synthesis Operation Phase) - ["[1][0]" access (.only) - ["[2][0]" side] - ["[2][0]" member (.only Member)]]] - [/// - ["[1]" phase (.use "[1]#[0]" monad)] - ["[1][0]" reference (.only) - ["[1]/[0]" variable (.only Register Variable)]] - [meta - [archive (.only Archive)]]]]]) - -(def clean_up - (-> Path Path) - (|>> {/.#Seq {/.#Pop}})) - -(def (path' pattern end? thenC) - (-> Pattern Bit (Operation Path) (Operation Path)) - (case pattern - {///pattern.#Simple simple} - (case simple - {///simple.#Unit} - thenC - - {///simple.#Bit when} - (///#each (function (_ then) - {/.#Bit_Fork when then {.#None}}) - thenC) - - (^.with_template [ ] - [{ test} - (///#each (function (_ then) - { [( test) then] (list)}) - thenC)]) - ([///simple.#Nat /.#I64_Fork .i64] - [///simple.#Int /.#I64_Fork .i64] - [///simple.#Rev /.#I64_Fork .i64] - [///simple.#Frac /.#F64_Fork |>] - [///simple.#Text /.#Text_Fork |>])) - - {///pattern.#Bind register} - (<| (at ///.monad each (|>> {/.#Seq {/.#Bind register}})) - /.with_new_local - thenC) - - {///pattern.#Complex {///complex.#Variant [lefts right? value_pattern]}} - (<| (///#each (|>> {/.#Seq {/.#Access {/access.#Side [/side.#lefts lefts - /side.#right? right?]}}})) - (path' value_pattern end?) - (pipe.when [(pipe.new (not end?) [])] [(///#each ..clean_up)]) - thenC) - - {///pattern.#Complex {///complex.#Tuple tuple}} - (let [tuple::last (-- (list.size tuple))] - (list#mix (function (_ [tuple::lefts tuple::member] nextC) - (.case tuple::member - {///pattern.#Simple {///simple.#Unit}} - nextC - - _ - (let [right? (n.= tuple::last tuple::lefts) - end?' (and end? right?)] - (<| (///#each (|>> {/.#Seq {/.#Access {/access.#Member [/member.#lefts (if right? - (-- tuple::lefts) - tuple::lefts) - /member.#right? right?]}}})) - (path' tuple::member end?') - (pipe.when [(pipe.new (not end?') [])] [(///#each ..clean_up)]) - nextC)))) - thenC - (list.reversed (list.enumeration tuple)))) - )) - -(def (path archive synthesize pattern bodyA) - (-> Archive Phase Pattern Analysis (Operation Path)) - (path' pattern true (///#each (|>> {/.#Then}) (synthesize archive bodyA)))) - -(def (weave_branch weave equivalence [new_test new_then] [[old_test old_then] old_tail]) - (All (_ a) - (-> (-> Path Path Path) (Equivalence a) [a Path] (/.Fork a Path) - (/.Fork a Path))) - (if (at equivalence = new_test old_test) - [[old_test (weave new_then old_then)] old_tail] - [[old_test old_then] - (case old_tail - {.#End} - (list [new_test new_then]) - - {.#Item old_item} - {.#Item (weave_branch weave equivalence [new_test new_then] old_item)})])) - -(def (weave_fork weave equivalence new_fork old_fork) - (All (_ a) - (-> (-> Path Path Path) (Equivalence a) (/.Fork a Path) (/.Fork a Path) - (/.Fork a Path))) - (list#mix (..weave_branch weave equivalence) old_fork {.#Item new_fork})) - -(def (weave new old) - (-> Path Path Path) - (with_expansions [ (these {/.#Alt old new})] - (case [new old] - [_ - {/.#Alt old_left old_right}] - {/.#Alt old_left - (weave new old_right)} - - [{/.#Seq preN postN} - {/.#Seq preO postO}] - (case (weave preN preO) - {/.#Alt _} - - - woven - {/.#Seq woven (weave postN postO)}) - - [{/.#Pop} {/.#Pop}] - old - - [{/.#Bit_Fork new_when new_then new_else} - {/.#Bit_Fork old_when old_then old_else}] - (if (bit#= new_when old_when) - {/.#Bit_Fork old_when - (weave new_then old_then) - (case [new_else old_else] - [{.#None} {.#None}] - {.#None} - - (^.or [{.#Some woven_then} {.#None}] - [{.#None} {.#Some woven_then}]) - {.#Some woven_then} - - [{.#Some new_else} {.#Some old_else}] - {.#Some (weave new_else old_else)})} - {/.#Bit_Fork old_when - (case new_else - {.#None} - old_then - - {.#Some new_else} - (weave new_else old_then)) - {.#Some (case old_else - {.#None} - new_then - - {.#Some old_else} - (weave new_then old_else))}}) - - (^.with_template [ ] - [[{ new_fork} { old_fork}] - { (..weave_fork weave new_fork old_fork)}]) - ([/.#I64_Fork i64.equivalence] - [/.#F64_Fork frac.equivalence] - [/.#Text_Fork text.equivalence]) - - (^.with_template [ ] - [[{/.#Access { [ newL ]}} - {/.#Access { [ oldL ]}}] - (if (n.= newL oldL) - old - )]) - ([/access.#Side .false /side.#lefts /side.#right?] - [/access.#Side .true /side.#lefts /side.#right?] - - [/access.#Member .false /member.#lefts /member.#right?] - [/access.#Member .true /member.#lefts /member.#right?]) - - [{/.#Bind newR} {/.#Bind oldR}] - (if (n.= newR oldR) - old - ) - - _ - ))) - -(def (get patterns @selection) - (-> (///complex.Tuple Pattern) Register (List Member)) - (loop (again [lefts 0 - patterns patterns]) - (with_expansions [ (these (list)) - (these (again (++ lefts) - tail)) - (these (let [right? (list.empty? tail)] - [/member.#lefts (if right? - (-- lefts) - lefts) - /member.#right? right?]))] - (case patterns - {.#End} - - - {.#Item head tail} - (case head - {///pattern.#Simple {///simple.#Unit}} - - - {///pattern.#Bind register} - (if (n.= @selection register) - (list ) - ) - - {///pattern.#Complex {///complex.#Tuple sub_patterns}} - (case (get sub_patterns @selection) - {.#End} - - - sub_members - (list.partial sub_members)) - - _ - ))))) - -(def .public (synthesize_case synthesize archive input [[headP headA] tailPA+]) - (-> Phase Archive Synthesis Match (Operation Synthesis)) - (do [! ///.monad] - [headSP (path archive synthesize headP headA) - tailSP+ (monad.each ! (product.uncurried (path archive synthesize)) tailPA+)] - (in (/.branch/case [input (list#mix weave headSP tailSP+)])))) - -(def !masking - (template (_ ) - [[[{///pattern.#Bind } - {///analysis.#Reference (///reference.local )}] - (list)]])) - -(def .public (synthesize_exec synthesize archive before after) - (-> Phase Archive Synthesis Analysis (Operation Synthesis)) - (do ///.monad - [after (synthesize archive after)] - (in (/.branch/exec [before after])))) - -(def .public (synthesize_let synthesize archive input @variable body) - (-> Phase Archive Synthesis Register Analysis (Operation Synthesis)) - (do ///.monad - [body (/.with_new_local - (synthesize archive body))] - (in (/.branch/let [input @variable body])))) - -(def .public (synthesize_masking synthesize archive input @variable @output) - (-> Phase Archive Synthesis Register Register (Operation Synthesis)) - (if (n.= @variable @output) - (///#in input) - (..synthesize_let synthesize archive input @variable {///analysis.#Reference (///reference.local @output)}))) - -(def .public (synthesize_if synthesize archive test then else) - (-> Phase Archive Synthesis Analysis Analysis (Operation Synthesis)) - (do ///.monad - [then (synthesize archive then) - else (synthesize archive else)] - (in (/.branch/if [test then else])))) - -(def !get - (template (_ ) - [[[(///pattern.tuple ) - {///analysis.#Reference (///reference.local )}] - (.list)]])) - -(def .public (synthesize_get synthesize archive input patterns @member) - (-> Phase Archive Synthesis (///complex.Tuple Pattern) Register (Operation Synthesis)) - (case (..get patterns @member) - {.#End} - (..synthesize_case synthesize archive input (!get patterns @member)) - - path - (case input - (/.branch/get [sub_path sub_input]) - (///#in (/.branch/get [(list#composite path sub_path) sub_input])) - - _ - (///#in (/.branch/get [path input]))))) - -(def .public (synthesize synthesize^ [headB tailB+] archive inputA) - (-> Phase Match Phase) - (do [! ///.monad] - [inputS (synthesize^ archive inputA)] - (case [headB tailB+] - (!masking @variable @output) - (..synthesize_masking synthesize^ archive inputS @variable @output) - - [[(///pattern.unit) body] - {.#End}] - (case inputA - (^.or {///analysis.#Simple _} - {///analysis.#Structure _} - {///analysis.#Reference _}) - (synthesize^ archive body) - - _ - (..synthesize_exec synthesize^ archive inputS body)) - - [[{///pattern.#Bind @variable} body] - {.#End}] - (..synthesize_let synthesize^ archive inputS @variable body) - - (^.or [[(///pattern.bit .true) then] - (list [(///pattern.bit .false) else])] - [[(///pattern.bit .true) then] - (list [(///pattern.unit) else])] - - [[(///pattern.bit .false) else] - (list [(///pattern.bit .true) then])] - [[(///pattern.bit .false) else] - (list [(///pattern.unit) then])]) - (..synthesize_if synthesize^ archive inputS then else) - - (!get patterns @member) - (..synthesize_get synthesize^ archive inputS patterns @member) - - match - (..synthesize_case synthesize^ archive inputS match)))) - -(def .public (count_pops path) - (-> Path [Nat Path]) - (case path - (/.path/seq {/.#Pop} path') - (let [[pops post_pops] (count_pops path')] - [(++ pops) post_pops]) - - _ - [0 path])) - -(def .public pattern_matching_error - "Invalid expression for pattern-matching.") - -(type .public Storage - (Record - [#bindings (Set Register) - #dependencies (Set Variable)])) - -(def empty - Storage - [#bindings (set.empty n.hash) - #dependencies (set.empty ///reference/variable.hash)]) - -... TODO: Use this to declare all local variables at the beginning of -... script functions. -... That way, it should be possible to do cheap "let" expressions, -... since the variable will exist beforehand, so no closure will need -... to be created for it. -... Apply this trick to JS, Python et al. -(def .public (storage path) - (-> Path Storage) - (loop (for_path [path path - path_storage ..empty]) - (case path - (^.or {/.#Pop} - {/.#Access Access}) - path_storage - - (/.path/bind register) - (revised #bindings (set.has register) - path_storage) - - {/.#Bit_Fork _ default otherwise} - (|> (case otherwise - {.#None} - path_storage - - {.#Some otherwise} - (for_path otherwise path_storage)) - (for_path default)) - - (^.or {/.#I64_Fork forks} - {/.#F64_Fork forks} - {/.#Text_Fork forks}) - (|> {.#Item forks} - (list#each product.right) - (list#mix for_path path_storage)) - - (^.or (/.path/seq left right) - (/.path/alt left right)) - (list#mix for_path path_storage (list left right)) - - (/.path/then bodyS) - (loop (for_synthesis [bodyS bodyS - synthesis_storage path_storage]) - (case bodyS - (^.or {/.#Simple _} - (/.constant _)) - synthesis_storage - - (/.variant [lefts right? valueS]) - (for_synthesis valueS synthesis_storage) - - (/.tuple members) - (list#mix for_synthesis synthesis_storage members) - - {/.#Reference {///reference.#Variable {///reference/variable.#Local register}}} - (if (set.member? (the #bindings synthesis_storage) register) - synthesis_storage - (revised #dependencies (set.has {///reference/variable.#Local register}) synthesis_storage)) - - {/.#Reference {///reference.#Variable var}} - (revised #dependencies (set.has var) synthesis_storage) - - (/.function/apply [functionS argsS]) - (list#mix for_synthesis synthesis_storage {.#Item functionS argsS}) - - (/.function/abstraction [environment arity bodyS]) - (list#mix for_synthesis synthesis_storage environment) - - (/.branch/case [inputS pathS]) - (revised #dependencies - (set.union (the #dependencies (for_path pathS synthesis_storage))) - (for_synthesis inputS synthesis_storage)) - - (/.branch/exec [before after]) - (list#mix for_synthesis synthesis_storage (list before after)) - - (/.branch/let [inputS register exprS]) - (revised #dependencies - (set.union (|> synthesis_storage - (revised #bindings (set.has register)) - (for_synthesis exprS) - (the #dependencies))) - (for_synthesis inputS synthesis_storage)) - - (/.branch/if [testS thenS elseS]) - (list#mix for_synthesis synthesis_storage (list testS thenS elseS)) - - (/.branch/get [access whole]) - (for_synthesis whole synthesis_storage) - - (/.loop/scope [start initsS+ iterationS]) - (revised #dependencies - (set.union (|> synthesis_storage - (revised #bindings (set.union (|> initsS+ - list.enumeration - (list#each (|>> product.left (n.+ start))) - (set.of_list n.hash)))) - (for_synthesis iterationS) - (the #dependencies))) - (list#mix for_synthesis synthesis_storage initsS+)) - - (/.loop/again replacementsS+) - (list#mix for_synthesis synthesis_storage replacementsS+) - - {/.#Extension [extension argsS]} - (list#mix for_synthesis synthesis_storage argsS))) - ))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/function.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/function.lux index e9507024a..c1a6184d1 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/function.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/function.lux @@ -59,7 +59,7 @@ [funcS (phase archive funcA) argsS (monad.each ! (phase archive) argsA)] (with_expansions [ (these (/.function/apply [funcS argsS]))] - (case funcS + (when funcS (/.function/abstraction functionS) (if (n.= (the /.#arity functionS) (list.size argsS)) @@ -69,7 +69,7 @@ (//loop.optimization true locals argsS) (maybe#each (is (-> [Nat (List Synthesis) Synthesis] Synthesis) (function (_ [start inits iteration]) - (case iteration + (when iteration (/.loop/scope [start' inits' output]) (if (and (n.= start start') (list.empty? inits')) @@ -89,7 +89,7 @@ (def (find_foreign environment register) (-> (Environment Synthesis) Register (Operation Synthesis)) - (case (list.item register environment) + (when (list.item register environment) {.#Some aliased} (phase#in aliased) @@ -98,7 +98,7 @@ (def (grow_path grow path) (-> (-> Synthesis (Operation Synthesis)) Path (Operation Path)) - (case path + (when path {/.#Bind register} (phase#in {/.#Bind (++ register)}) @@ -110,16 +110,16 @@ (in { left' right'}))]) ([/.#Alt] [/.#Seq]) - {/.#Bit_Fork when then else} + {/.#Bit_Fork test then else} (do [! phase.monad] [then (grow_path grow then) - else (case else + else (when else {.#Some else} (at ! each (|>> {.#Some}) (grow_path grow else)) {.#None} (in {.#None}))] - (in {/.#Bit_Fork when then else})) + (in {/.#Bit_Fork test then else})) (^.with_template [] [{ [[test then] elses]} @@ -145,9 +145,9 @@ (def (grow environment expression) (-> (Environment Synthesis) Synthesis (Operation Synthesis)) - (case expression + (when expression {/.#Structure structure} - (case structure + (when structure {////analysis/complex.#Variant [lefts right? subS]} (|> subS (grow environment) @@ -162,9 +162,9 @@ (phase#in (/.function/apply [expression (list (/.variable/local 1))])) {/.#Reference reference} - (case reference + (when reference {////reference.#Variable variable} - (case variable + (when variable {////reference/variable.#Local register} (phase#in (/.variable/local (++ register))) @@ -175,9 +175,9 @@ (phase#in expression)) {/.#Control control} - (case control + (when control {/.#Branch branch} - (case branch + (when branch {/.#Exec [this that]} (do phase.monad [this (grow environment this) @@ -202,14 +202,14 @@ [inputS' (grow environment inputS)] (in (/.branch/get [members inputS']))) - {/.#Case [inputS pathS]} + {/.#When [inputS pathS]} (do phase.monad [inputS' (grow environment inputS) pathS' (grow_path (grow environment) pathS)] - (in (/.branch/case [inputS' pathS'])))) + (in (/.branch/when [inputS' pathS'])))) {/.#Loop loop} - (case loop + (when loop {/.#Scope [start initsS+ iterationS]} (do [! phase.monad] [initsS+' (monad.each ! (grow environment) initsS+) @@ -222,11 +222,11 @@ (phase#each (|>> /.loop/again)))) {/.#Function function} - (case function + (when function {/.#Abstraction [_env _arity _body]} (do [! phase.monad] [_env' (monad.each ! - (|>> (pipe.case + (|>> (pipe.when {/.#Reference {////reference.#Variable {////reference/variable.#Foreign register}}} (..find_foreign environment register) @@ -239,7 +239,7 @@ (do [! phase.monad] [funcS (grow environment funcS) argsS+ (monad.each ! (grow environment) argsS+)] - (in (/.function/apply (case funcS + (in (/.function/apply (when funcS (/.function/apply [(..self_reference) pre_argsS+]) [(..self_reference) (list#composite pre_argsS+ argsS+)] @@ -264,7 +264,7 @@ (/.with_locals 2 (phase archive bodyA))) abstraction (is (Operation Abstraction) - (case bodyS + (when bodyS (/.function/abstraction [env' down_arity' bodyS']) (|> bodyS' (grow env') @@ -281,7 +281,7 @@ (in (/.function/abstraction (if currying? abstraction - (case (//loop.optimization false 1 (list) abstraction) + (when (//loop.optimization false 1 (list) abstraction) {.#Some [startL initsL bodyL]} [/.#environment environment /.#arity (the /.#arity abstraction) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/loop.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/loop.lux index c967930bf..0ae8912f8 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/loop.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/loop.lux @@ -33,7 +33,7 @@ (def (path_optimization body_optimization offset) (-> (Transform Synthesis) Register (Transform Path)) (function (again path) - (case path + (when path {/.#Bind register} {.#Some {/.#Bind (register_optimization offset register)}} @@ -45,16 +45,16 @@ (in { left' right'}))]) ([/.#Alt] [/.#Seq]) - {/.#Bit_Fork when then else} + {/.#Bit_Fork test then else} (do [! maybe.monad] [then (again then) - else (case else + else (when else {.#Some else} (at ! each (|>> {.#Some}) (again else)) {.#None} (in {.#None}))] - (in {/.#Bit_Fork when then else})) + (in {/.#Bit_Fork test then else})) (^.with_template [] [{ [[test then] elses]} @@ -82,12 +82,12 @@ (-> Bit Register (Environment Synthesis) Arity (Transform Synthesis)) (loop (again [return? true expr expr]) - (case expr + (when expr {/.#Simple _} {.#Some expr} {/.#Structure structure} - (case structure + (when structure {analysis/complex.#Variant variant} (do maybe.monad [value' (|> variant (the analysis/complex.#value) (again false))] @@ -101,7 +101,7 @@ (maybe#each (|>> /.tuple)))) {/.#Reference reference} - (case reference + (when reference {reference.#Variable (variable.self)} (if true_loop? {.#None} @@ -118,11 +118,11 @@ (list.item register scope_environment) {.#Some expr})) - (/.branch/case [input path]) + (/.branch/when [input path]) (do maybe.monad [input' (again false input) path' (path_optimization (again return?) offset path)] - (in (|> path' [input'] /.branch/case))) + (in (|> path' [input'] /.branch/when))) (/.branch/exec [this that]) (do maybe.monad @@ -174,7 +174,7 @@ (with_expansions [ (these (do ! [abstraction' (again false abstraction)] (in (/.function/apply [abstraction' arguments']))))] - (case abstraction + (when abstraction {/.#Reference {reference.#Variable (variable.self)}} (if (and return? (n.= arity (list.size arguments))) @@ -193,7 +193,7 @@ [input (again false input) matches (monad.each ! (function (_ match) - (case match + (when match {/.#Structure {analysis/complex.#Tuple (list when then)}} (do ! [when (again false when) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/variable.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/variable.lux index f6ef820af..0f0d88bdd 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/variable.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/variable.lux @@ -43,7 +43,7 @@ (def (remove_local_from_path remove_local redundant) (-> (Remover Synthesis) (Remover Path)) (function (again path) - (case path + (when path {/.#Seq {/.#Bind register} post} (if (n.= redundant register) @@ -101,7 +101,7 @@ (def (remove_local_from_variable redundant variable) (Remover Variable) - (case variable + (when variable {variable.#Local register} {variable.#Local (..prune redundant register)} @@ -111,12 +111,12 @@ (def (remove_local redundant) (Remover Synthesis) (function (again synthesis) - (case synthesis + (when synthesis {/.#Simple _} synthesis {/.#Structure structure} - {/.#Structure (case structure + {/.#Structure (when structure {analysis/complex.#Variant [lefts right value]} {analysis/complex.#Variant [lefts right (again value)]} @@ -124,7 +124,7 @@ {analysis/complex.#Tuple (list#each again tuple)})} {/.#Reference reference} - (case reference + (when reference {reference.#Variable variable} (/.variable (..remove_local_from_variable redundant variable)) @@ -132,9 +132,9 @@ synthesis) {/.#Control control} - {/.#Control (case control + {/.#Control (when control {/.#Branch branch} - {/.#Branch (case branch + {/.#Branch (when branch {/.#Exec this that} {/.#Exec (again this) (again that)} @@ -150,11 +150,11 @@ {/.#Get path record} {/.#Get path (again record)} - {/.#Case input path} - {/.#Case (again input) (remove_local_from_path remove_local redundant path)})} + {/.#When input path} + {/.#When (again input) (remove_local_from_path remove_local redundant path)})} {/.#Loop loop} - {/.#Loop (case loop + {/.#Loop (when loop {/.#Scope [start inits iteration]} {/.#Scope [(..prune redundant start) (list#each again inits) @@ -164,7 +164,7 @@ {/.#Again (list#each again resets)})} {/.#Function function} - {/.#Function (case function + {/.#Function (when function {/.#Abstraction [environment arity body]} {/.#Abstraction [(list#each again environment) arity @@ -205,7 +205,7 @@ (def (list_optimization optimization) (All (_ a) (-> (Optimization a) (Optimization (List a)))) (function (again [redundancy values]) - (case values + (when values {.#End} {try.#Success [redundancy values]} @@ -228,7 +228,7 @@ (def (declare register redundancy) (-> Register Redundancy (Try Redundancy)) - (case (dictionary.value register redundancy) + (when (dictionary.value register redundancy) {.#None} {try.#Success (dictionary.has register ..redundant! redundancy)} @@ -237,7 +237,7 @@ (def (observe register redundancy) (-> Register Redundancy (Try Redundancy)) - (case (dictionary.value register redundancy) + (when (dictionary.value register redundancy) {.#None} (exception.except ..unknown_register [register]) @@ -255,16 +255,16 @@ (def (path_optimization optimization) (-> (Optimization Synthesis) (Optimization Path)) (function (again [redundancy path]) - (case path + (when path (^.or {/.#Pop} {/.#Access _}) {try.#Success [redundancy path]} - {/.#Bit_Fork when then else} + {/.#Bit_Fork test then else} (do [! try.monad] [[redundancy then] (again [redundancy then]) - [redundancy else] (case else + [redundancy else] (when else {.#Some else} (at ! each (function (_ [redundancy else]) @@ -273,7 +273,7 @@ {.#None} (in [redundancy {.#None}]))] - (in [redundancy {/.#Bit_Fork when then else}])) + (in [redundancy {/.#Bit_Fork test then else}])) (^.with_template [ ] [{ [[test then] elses]} @@ -334,12 +334,12 @@ (Optimization Synthesis) (with_expansions [ (these {try.#Success [redundancy synthesis]})] - (case synthesis + (when synthesis {/.#Simple _} {/.#Structure structure} - (case structure + (when structure {analysis/complex.#Variant [lefts right value]} (do try.monad [[redundancy value] (optimization' [redundancy value])] @@ -353,9 +353,9 @@ {/.#Structure {analysis/complex.#Tuple tuple}}]))) {/.#Reference reference} - (case reference + (when reference {reference.#Variable variable} - (case variable + (when variable {variable.#Local register} (do try.monad [redundancy (..observe register redundancy)] @@ -368,9 +368,9 @@ ) {/.#Control control} - (case control + (when control {/.#Branch branch} - (case branch + (when branch {/.#Exec this that} (do try.monad [[redundancy this] (optimization' [redundancy this]) @@ -405,15 +405,15 @@ (in [redundancy {/.#Control {/.#Branch {/.#Get path record}}}])) - {/.#Case input path} + {/.#When input path} (do try.monad [[redundancy input] (optimization' [redundancy input]) [redundancy path] (..path_optimization optimization' [redundancy path])] (in [redundancy - {/.#Control {/.#Branch {/.#Case input path}}}]))) + {/.#Control {/.#Branch {/.#When input path}}}]))) {/.#Loop loop} - (case loop + (when loop {/.#Scope [start inits iteration]} (do try.monad [[redundancy inits] (..list_optimization optimization' [redundancy inits]) @@ -429,7 +429,7 @@ {/.#Control {/.#Loop {/.#Again resets}}}]))) {/.#Function function} - (case function + (when function {/.#Abstraction [environment arity body]} (do [! try.monad] [[redundancy environment] (..list_optimization optimization' [redundancy environment]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/when.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/when.lux new file mode 100644 index 000000000..c41a41da0 --- /dev/null +++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/synthesis/when.lux @@ -0,0 +1,471 @@ +(.require + [library + [lux (.except Pattern) + [abstract + [equivalence (.only Equivalence)] + ["[0]" monad (.only do)]] + [control + ["[0]" pipe]] + [data + ["[0]" product] + ["[0]" bit (.use "[1]#[0]" equivalence)] + ["[0]" text (.use "[1]#[0]" equivalence)] + [collection + ["[0]" list (.use "[1]#[0]" functor mix monoid)] + ["[0]" set (.only Set)]]] + [math + [number + ["n" nat] + ["[0]" i64] + ["[0]" frac]]] + [meta + [macro + ["^" pattern]]]]] + ["[0]" /// + [// + ["[1][0]" analysis (.only Match Analysis) + ["[2][0]" simple] + ["[2][0]" complex] + ["[2][0]" pattern (.only Pattern)]] + ["/" synthesis (.only Path Synthesis Operation Phase) + ["[1][0]" access (.only) + ["[2][0]" side] + ["[2][0]" member (.only Member)]]] + [/// + ["[1]" phase (.use "[1]#[0]" monad)] + ["[1][0]" reference (.only) + ["[1]/[0]" variable (.only Register Variable)]] + [meta + [archive (.only Archive)]]]]]) + +(def clean_up + (-> Path Path) + (|>> {/.#Seq {/.#Pop}})) + +(def (path' pattern end? thenC) + (-> Pattern Bit (Operation Path) (Operation Path)) + (when pattern + {///pattern.#Simple simple} + (when simple + {///simple.#Unit} + thenC + + {///simple.#Bit when} + (///#each (function (_ then) + {/.#Bit_Fork when then {.#None}}) + thenC) + + (^.with_template [ ] + [{ test} + (///#each (function (_ then) + { [( test) then] (list)}) + thenC)]) + ([///simple.#Nat /.#I64_Fork .i64] + [///simple.#Int /.#I64_Fork .i64] + [///simple.#Rev /.#I64_Fork .i64] + [///simple.#Frac /.#F64_Fork |>] + [///simple.#Text /.#Text_Fork |>])) + + {///pattern.#Bind register} + (<| (at ///.monad each (|>> {/.#Seq {/.#Bind register}})) + /.with_new_local + thenC) + + {///pattern.#Complex {///complex.#Variant [lefts right? value_pattern]}} + (<| (///#each (|>> {/.#Seq {/.#Access {/access.#Side [/side.#lefts lefts + /side.#right? right?]}}})) + (path' value_pattern end?) + (pipe.if [(pipe.new (not end?) [])] + [(///#each ..clean_up)] + []) + thenC) + + {///pattern.#Complex {///complex.#Tuple tuple}} + (let [tuple::last (-- (list.size tuple))] + (list#mix (function (_ [tuple::lefts tuple::member] nextC) + (.when tuple::member + {///pattern.#Simple {///simple.#Unit}} + nextC + + _ + (let [right? (n.= tuple::last tuple::lefts) + end?' (and end? right?)] + (<| (///#each (|>> {/.#Seq {/.#Access {/access.#Member [/member.#lefts (if right? + (-- tuple::lefts) + tuple::lefts) + /member.#right? right?]}}})) + (path' tuple::member end?') + (pipe.if [(pipe.new (not end?') [])] + [(///#each ..clean_up)] + []) + nextC)))) + thenC + (list.reversed (list.enumeration tuple)))) + )) + +(def (path archive synthesize pattern bodyA) + (-> Archive Phase Pattern Analysis (Operation Path)) + (path' pattern true (///#each (|>> {/.#Then}) (synthesize archive bodyA)))) + +(def (weave_branch weave equivalence [new_test new_then] [[old_test old_then] old_tail]) + (All (_ a) + (-> (-> Path Path Path) (Equivalence a) [a Path] (/.Fork a Path) + (/.Fork a Path))) + (if (at equivalence = new_test old_test) + [[old_test (weave new_then old_then)] old_tail] + [[old_test old_then] + (when old_tail + {.#End} + (list [new_test new_then]) + + {.#Item old_item} + {.#Item (weave_branch weave equivalence [new_test new_then] old_item)})])) + +(def (weave_fork weave equivalence new_fork old_fork) + (All (_ a) + (-> (-> Path Path Path) (Equivalence a) (/.Fork a Path) (/.Fork a Path) + (/.Fork a Path))) + (list#mix (..weave_branch weave equivalence) old_fork {.#Item new_fork})) + +(def (weave new old) + (-> Path Path Path) + (with_expansions [ (these {/.#Alt old new})] + (when [new old] + [_ + {/.#Alt old_left old_right}] + {/.#Alt old_left + (weave new old_right)} + + [{/.#Seq preN postN} + {/.#Seq preO postO}] + (when (weave preN preO) + {/.#Alt _} + + + woven + {/.#Seq woven (weave postN postO)}) + + [{/.#Pop} {/.#Pop}] + old + + [{/.#Bit_Fork new_when new_then new_else} + {/.#Bit_Fork old_when old_then old_else}] + (if (bit#= new_when old_when) + {/.#Bit_Fork old_when + (weave new_then old_then) + (when [new_else old_else] + [{.#None} {.#None}] + {.#None} + + (^.or [{.#Some woven_then} {.#None}] + [{.#None} {.#Some woven_then}]) + {.#Some woven_then} + + [{.#Some new_else} {.#Some old_else}] + {.#Some (weave new_else old_else)})} + {/.#Bit_Fork old_when + (when new_else + {.#None} + old_then + + {.#Some new_else} + (weave new_else old_then)) + {.#Some (when old_else + {.#None} + new_then + + {.#Some old_else} + (weave new_then old_else))}}) + + (^.with_template [ ] + [[{ new_fork} { old_fork}] + { (..weave_fork weave new_fork old_fork)}]) + ([/.#I64_Fork i64.equivalence] + [/.#F64_Fork frac.equivalence] + [/.#Text_Fork text.equivalence]) + + (^.with_template [ ] + [[{/.#Access { [ newL ]}} + {/.#Access { [ oldL ]}}] + (if (n.= newL oldL) + old + )]) + ([/access.#Side .false /side.#lefts /side.#right?] + [/access.#Side .true /side.#lefts /side.#right?] + + [/access.#Member .false /member.#lefts /member.#right?] + [/access.#Member .true /member.#lefts /member.#right?]) + + [{/.#Bind newR} {/.#Bind oldR}] + (if (n.= newR oldR) + old + ) + + _ + ))) + +(def (get patterns @selection) + (-> (///complex.Tuple Pattern) Register (List Member)) + (loop (again [lefts 0 + patterns patterns]) + (with_expansions [ (these (list)) + (these (again (++ lefts) + tail)) + (these (let [right? (list.empty? tail)] + [/member.#lefts (if right? + (-- lefts) + lefts) + /member.#right? right?]))] + (when patterns + {.#End} + + + {.#Item head tail} + (when head + {///pattern.#Simple {///simple.#Unit}} + + + {///pattern.#Bind register} + (if (n.= @selection register) + (list ) + ) + + {///pattern.#Complex {///complex.#Tuple sub_patterns}} + (when (get sub_patterns @selection) + {.#End} + + + sub_members + (list.partial sub_members)) + + _ + ))))) + +(def .public (synthesize_when synthesize archive input [[headP headA] tailPA+]) + (-> Phase Archive Synthesis Match (Operation Synthesis)) + (do [! ///.monad] + [headSP (path archive synthesize headP headA) + tailSP+ (monad.each ! (product.uncurried (path archive synthesize)) tailPA+)] + (in (/.branch/when [input (list#mix weave headSP tailSP+)])))) + +(def !masking + (template (_ ) + [[[{///pattern.#Bind } + {///analysis.#Reference (///reference.local )}] + (list)]])) + +(def .public (synthesize_exec synthesize archive before after) + (-> Phase Archive Synthesis Analysis (Operation Synthesis)) + (do ///.monad + [after (synthesize archive after)] + (in (/.branch/exec [before after])))) + +(def .public (synthesize_let synthesize archive input @variable body) + (-> Phase Archive Synthesis Register Analysis (Operation Synthesis)) + (do ///.monad + [body (/.with_new_local + (synthesize archive body))] + (in (/.branch/let [input @variable body])))) + +(def .public (synthesize_masking synthesize archive input @variable @output) + (-> Phase Archive Synthesis Register Register (Operation Synthesis)) + (if (n.= @variable @output) + (///#in input) + (..synthesize_let synthesize archive input @variable {///analysis.#Reference (///reference.local @output)}))) + +(def .public (synthesize_if synthesize archive test then else) + (-> Phase Archive Synthesis Analysis Analysis (Operation Synthesis)) + (do ///.monad + [then (synthesize archive then) + else (synthesize archive else)] + (in (/.branch/if [test then else])))) + +(def !get + (template (_ ) + [[[(///pattern.tuple ) + {///analysis.#Reference (///reference.local )}] + (.list)]])) + +(def .public (synthesize_get synthesize archive input patterns @member) + (-> Phase Archive Synthesis (///complex.Tuple Pattern) Register (Operation Synthesis)) + (when (..get patterns @member) + {.#End} + (..synthesize_when synthesize archive input (!get patterns @member)) + + path + (when input + (/.branch/get [sub_path sub_input]) + (///#in (/.branch/get [(list#composite path sub_path) sub_input])) + + _ + (///#in (/.branch/get [path input]))))) + +(def .public (synthesize synthesize^ [headB tailB+] archive inputA) + (-> Phase Match Phase) + (do [! ///.monad] + [inputS (synthesize^ archive inputA)] + (when [headB tailB+] + (!masking @variable @output) + (..synthesize_masking synthesize^ archive inputS @variable @output) + + [[(///pattern.unit) body] + {.#End}] + (when inputA + (^.or {///analysis.#Simple _} + {///analysis.#Structure _} + {///analysis.#Reference _}) + (synthesize^ archive body) + + _ + (..synthesize_exec synthesize^ archive inputS body)) + + [[{///pattern.#Bind @variable} body] + {.#End}] + (..synthesize_let synthesize^ archive inputS @variable body) + + (^.or [[(///pattern.bit .true) then] + (list [(///pattern.bit .false) else])] + [[(///pattern.bit .true) then] + (list [(///pattern.unit) else])] + + [[(///pattern.bit .false) else] + (list [(///pattern.bit .true) then])] + [[(///pattern.bit .false) else] + (list [(///pattern.unit) then])]) + (..synthesize_if synthesize^ archive inputS then else) + + (!get patterns @member) + (..synthesize_get synthesize^ archive inputS patterns @member) + + match + (..synthesize_when synthesize^ archive inputS match)))) + +(def .public (count_pops path) + (-> Path [Nat Path]) + (when path + (/.path/seq {/.#Pop} path') + (let [[pops post_pops] (count_pops path')] + [(++ pops) post_pops]) + + _ + [0 path])) + +(def .public pattern_matching_error + "Invalid expression for pattern-matching.") + +(type .public Storage + (Record + [#bindings (Set Register) + #dependencies (Set Variable)])) + +(def empty + Storage + [#bindings (set.empty n.hash) + #dependencies (set.empty ///reference/variable.hash)]) + +... TODO: Use this to declare all local variables at the beginning of +... script functions. +... That way, it should be possible to do cheap "let" expressions, +... since the variable will exist beforehand, so no closure will need +... to be created for it. +... Apply this trick to JS, Python et al. +(def .public (storage path) + (-> Path Storage) + (loop (for_path [path path + path_storage ..empty]) + (when path + (^.or {/.#Pop} + {/.#Access Access}) + path_storage + + (/.path/bind register) + (revised #bindings (set.has register) + path_storage) + + {/.#Bit_Fork _ default otherwise} + (|> (when otherwise + {.#None} + path_storage + + {.#Some otherwise} + (for_path otherwise path_storage)) + (for_path default)) + + (^.or {/.#I64_Fork forks} + {/.#F64_Fork forks} + {/.#Text_Fork forks}) + (|> {.#Item forks} + (list#each product.right) + (list#mix for_path path_storage)) + + (^.or (/.path/seq left right) + (/.path/alt left right)) + (list#mix for_path path_storage (list left right)) + + (/.path/then bodyS) + (loop (for_synthesis [bodyS bodyS + synthesis_storage path_storage]) + (when bodyS + (^.or {/.#Simple _} + (/.constant _)) + synthesis_storage + + (/.variant [lefts right? valueS]) + (for_synthesis valueS synthesis_storage) + + (/.tuple members) + (list#mix for_synthesis synthesis_storage members) + + {/.#Reference {///reference.#Variable {///reference/variable.#Local register}}} + (if (set.member? (the #bindings synthesis_storage) register) + synthesis_storage + (revised #dependencies (set.has {///reference/variable.#Local register}) synthesis_storage)) + + {/.#Reference {///reference.#Variable var}} + (revised #dependencies (set.has var) synthesis_storage) + + (/.function/apply [functionS argsS]) + (list#mix for_synthesis synthesis_storage {.#Item functionS argsS}) + + (/.function/abstraction [environment arity bodyS]) + (list#mix for_synthesis synthesis_storage environment) + + (/.branch/when [inputS pathS]) + (revised #dependencies + (set.union (the #dependencies (for_path pathS synthesis_storage))) + (for_synthesis inputS synthesis_storage)) + + (/.branch/exec [before after]) + (list#mix for_synthesis synthesis_storage (list before after)) + + (/.branch/let [inputS register exprS]) + (revised #dependencies + (set.union (|> synthesis_storage + (revised #bindings (set.has register)) + (for_synthesis exprS) + (the #dependencies))) + (for_synthesis inputS synthesis_storage)) + + (/.branch/if [testS thenS elseS]) + (list#mix for_synthesis synthesis_storage (list testS thenS elseS)) + + (/.branch/get [access whole]) + (for_synthesis whole synthesis_storage) + + (/.loop/scope [start initsS+ iterationS]) + (revised #dependencies + (set.union (|> synthesis_storage + (revised #bindings (set.union (|> initsS+ + list.enumeration + (list#each (|>> product.left (n.+ start))) + (set.of_list n.hash)))) + (for_synthesis iterationS) + (the #dependencies))) + (list#mix for_synthesis synthesis_storage initsS+)) + + (/.loop/again replacementsS+) + (list#mix for_synthesis synthesis_storage replacementsS+) + + {/.#Extension [extension argsS]} + (list#mix for_synthesis synthesis_storage argsS))) + ))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/program.lux b/stdlib/source/library/lux/meta/compiler/language/lux/program.lux index 502922736..864a8f817 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/program.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/program.lux @@ -43,7 +43,7 @@ [id (archive.id module archive) [_module output registry] (archive.find module archive)] (in [[module id] registry])))))] - (case (list.one (function (_ [[module module_id] registry]) + (when (list.one (function (_ [[module module_id] registry]) (do maybe.monad [program_id (registry.id ..name registry)] (in [module_id program_id]))) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/syntax.lux b/stdlib/source/library/lux/meta/compiler/language/lux/syntax.lux index 86d0cc16a..bbf548818 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/syntax.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/syntax.lux @@ -215,7 +215,7 @@ (def !letE (template (_ ) - [(case + [(when {.#Right } @@ -251,7 +251,7 @@ (Either [Source Text] [Source Code])) (loop (again [source (is Source [(!forward 1 where) offset source_code]) stack (is (List Code) {.#End})]) - (case (parse source) + (when (parse source) {.#Right [source' top]} (again source' {.#Item top stack}) @@ -271,7 +271,7 @@ (def !guarantee_no_new_lines (template (_ where offset source_code content body) - [(case ("lux text index" 0 (static text.new_line) content) + [(when ("lux text index" 0 (static text.new_line) content) {.#None} body @@ -281,7 +281,7 @@ (def (text_parser where offset source_code) (-> Location Offset Text (Either [Source Text] [Source Code])) - (case ("lux text index" offset (static ..text_delimiter) source_code) + (when ("lux text index" offset (static ..text_delimiter) source_code) {.#Some g!end} (<| (let [g!content (!clip offset g!end source_code)]) (!guarantee_no_new_lines where offset source_code g!content) @@ -348,7 +348,7 @@ (def !number_output (template (_ ) - [(case (|> + [(when (|> (!clip ) (text.replaced ..digit_separator "") (at decoded)) @@ -562,7 +562,7 @@ ... It's either a Rev, a symbol, or a comment. (with_expansions [ (rev_parser source_code//size offset/0 where (!++ offset/1) source_code) (!short_symbol_parser source_code//size current_module [where offset/1 source_code] where .#Symbol) - (case ("lux text index" (!++ offset/1) (static text.new_line) source_code) + (when ("lux text index" (!++ offset/1) (static text.new_line) source_code) {.#Some end} (again (!vertical where end source_code)) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/synthesis.lux b/stdlib/source/library/lux/meta/compiler/language/lux/synthesis.lux index 735da0f51..29b3604b8 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/synthesis.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/synthesis.lux @@ -98,7 +98,7 @@ {#Let s Register s} {#If s s s} {#Get (List Member) s} - {#Case s (Path' s)})) + {#When s (Path' s)})) (type .public (Scope s) (Record @@ -274,7 +274,7 @@ {} content)]))] - [branch/case ..#Branch ..#Case] + [branch/when ..#Branch ..#When] [branch/exec ..#Branch ..#Exec] [branch/let ..#Branch ..#Let] [branch/if ..#Branch ..#If] @@ -289,16 +289,16 @@ (def .public (%path' %then value) (All (_ a) (-> (Format a) (Format (Path' a)))) - (case value + (when value {#Pop} "_" - {#Bit_Fork when then else} + {#Bit_Fork test then else} (format "(?" - " " (%.bit when) " " (%path' %then then) - (case else + " " (%.bit test) " " (%path' %then then) + (when else {.#Some else} - (format " " (%.bit (not when)) " " (%path' %then else)) + (format " " (%.bit (not test)) " " (%path' %then else)) {.#None} "") @@ -333,12 +333,12 @@ (def .public (%synthesis value) (Format Synthesis) - (case value + (when value {#Simple it} (/simple.format it) {#Structure structure} - (case structure + (when structure {analysis/complex.#Variant [lefts right? content]} (|> (%synthesis content) (format (%.nat lefts) " " (%.bit right?) " ") @@ -354,9 +354,9 @@ (reference.format reference) {#Control control} - (case control + (when control {#Function function} - (case function + (when function {#Abstraction [environment arity body]} (let [environment' (|> environment (list#each %synthesis) @@ -373,7 +373,7 @@ (text.enclosed ["(" ")"]))) {#Branch branch} - (case branch + (when branch {#Exec this that} (|> (format (%synthesis this) " " (%synthesis that)) (text.enclosed ["{#exec " "}"])) @@ -392,12 +392,12 @@ " " (%synthesis record)) (text.enclosed ["{#get " "}"])) - {#Case input path} + {#When input path} (|> (format (%synthesis input) " " (%path' %synthesis path)) - (text.enclosed ["{#case " "}"]))) + (text.enclosed ["{#when " "}"]))) {#Loop loop} - (case loop + (when loop {#Scope scope} (|> (format (%.nat (the #start scope)) " " (|> (the #inits scope) @@ -427,7 +427,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Path' a)))) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Pop} {#Pop}] true @@ -473,7 +473,7 @@ (..path'_equivalence (at super equivalence))) (def (hash value) - (case value + (when value {#Pop} 2 @@ -491,9 +491,9 @@ (^.with_template [ ] [{ item} - (let [case_hash (product.hash + (let [when_hash (product.hash (path'_hash super)) - item_hash (product.hash case_hash (list.hash case_hash))] + item_hash (product.hash when_hash (list.hash when_hash))] (n.* (at item_hash hash item)))]) ([11 #I64_Fork i64.hash] [13 #F64_Fork f.hash] @@ -515,7 +515,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Branch a)))) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Let [reference_input reference_register reference_body]} {#Let [sample_input sample_register sample_body]}] (and (#= reference_input sample_input) @@ -533,8 +533,8 @@ (and (at (list.equivalence /member.equivalence) = reference_path sample_path) (#= reference_record sample_record)) - [{#Case [reference_input reference_path]} - {#Case [sample_input sample_path]}] + [{#When [reference_input reference_path]} + {#When [sample_input sample_path]}] (and (#= reference_input sample_input) (at (path'_equivalence #=) = reference_path sample_path)) @@ -548,7 +548,7 @@ (..branch_equivalence (at super equivalence))) (def (hash value) - (case value + (when value {#Exec this that} (all n.* 2 (at super hash this) @@ -571,7 +571,7 @@ (at (list.hash /member.hash) hash path) (at super hash record)) - {#Case [input path]} + {#When [input path]} (all n.* 11 (at super hash input) (at (..path'_hash super) hash path)) @@ -581,7 +581,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Loop a)))) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Scope [reference_start reference_inits reference_iteration]} {#Scope [sample_start sample_inits sample_iteration]}] (and (n.= reference_start sample_start) @@ -601,7 +601,7 @@ (..loop_equivalence (at super equivalence))) (def (hash value) - (case value + (when value {#Scope [start inits iteration]} (all n.* 2 (at n.hash hash start) @@ -617,7 +617,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Function a)))) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] [{#Abstraction [reference_environment reference_arity reference_body]} {#Abstraction [sample_environment sample_arity sample_body]}] (and (at (list.equivalence #=) = reference_environment sample_environment) @@ -639,7 +639,7 @@ (..function_equivalence (at super equivalence))) (def (hash value) - (case value + (when value {#Abstraction [environment arity body]} (all n.* 2 (at (list.hash super) hash environment) @@ -656,7 +656,7 @@ (All (_ a) (-> (Equivalence a) (Equivalence (Control a)))) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] (^.with_template [ ] [[{ reference} { sample}] (at ( #=) = reference sample)]) @@ -674,7 +674,7 @@ (..control_equivalence (at super equivalence))) (def (hash value) - (case value + (when value (^.with_template [ ] [{ value} (n.* (at ( super) hash value))]) @@ -687,7 +687,7 @@ (Equivalence Synthesis) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] (^.with_template [ ] [[{ reference'} { sample'}] (at = reference' sample')]) @@ -711,7 +711,7 @@ (def (hash value) (let [again_hash [..equivalence hash]] - (case value + (when value (^.with_template [ ] [{ value} (at hash value)]) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/synthesis/access.lux b/stdlib/source/library/lux/meta/compiler/language/lux/synthesis/access.lux index f599f4d90..fc1d14e8f 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/synthesis/access.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/synthesis/access.lux @@ -19,7 +19,7 @@ (def .public (format it) (Format Access) - (case it + (when it {#Side it} (/side.format it) diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/synthesis/simple.lux b/stdlib/source/library/lux/meta/compiler/language/lux/synthesis/simple.lux index 738ea9b76..a44021d1f 100644 --- a/stdlib/source/library/lux/meta/compiler/language/lux/synthesis/simple.lux +++ b/stdlib/source/library/lux/meta/compiler/language/lux/synthesis/simple.lux @@ -29,7 +29,7 @@ (def .public (format it) (%.Format Simple) - (case it + (when it (^.with_template [ ] [{ value} ( value)]) @@ -44,7 +44,7 @@ (Equivalence Simple) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] (^.with_template [ ] [[{ reference'} { sample'}] ( reference' sample')]) @@ -64,7 +64,7 @@ (def equivalence ..equivalence) (def hash - (|>> (pipe.case + (|>> (pipe.when (^.with_template [ ] [{ value'} (n.* (at hash value'))]) diff --git a/stdlib/source/library/lux/meta/compiler/meta/archive.lux b/stdlib/source/library/lux/meta/compiler/meta/archive.lux index a67b84f92..bcbdcaff4 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/archive.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/archive.lux @@ -89,7 +89,7 @@ (def .public (id module archive) (-> descriptor.Module Archive (Try module.ID)) (let [(open "/[0]") (representation archive)] - (case (dictionary.value module /#resolver) + (when (dictionary.value module /#resolver) {.#Some [id _]} {try.#Success id} @@ -100,7 +100,7 @@ (def .public (reserve module archive) (-> descriptor.Module Archive (Try [module.ID Archive])) (let [(open "/[0]") (representation archive)] - (case (dictionary.value module /#resolver) + (when (dictionary.value module /#resolver) {.#Some _} (exception.except ..module_has_already_been_reserved [module]) @@ -115,7 +115,7 @@ (def .public (has module entry archive) (-> descriptor.Module (Entry Any) Archive (Try Archive)) (let [(open "/[0]") (representation archive)] - (case (dictionary.value module /#resolver) + (when (dictionary.value module /#resolver) {.#Some [id {.#None}]} {try.#Success (|> archive representation @@ -143,7 +143,7 @@ (def .public (find module archive) (-> descriptor.Module Archive (Try (Entry Any))) (let [(open "/[0]") (representation archive)] - (case (dictionary.value module /#resolver) + (when (dictionary.value module /#resolver) {.#Some [id {.#Some entry}]} {try.#Success entry} @@ -155,7 +155,7 @@ (def .public (archived? archive module) (-> Archive descriptor.Module Bit) - (case (..find module archive) + (when (..find module archive) {try.#Success _} true @@ -168,14 +168,14 @@ (the #resolver) dictionary.entries (list.all (function (_ [module [id descriptor+document]]) - (case descriptor+document + (when descriptor+document {.#Some _} {.#Some module} {.#None} {.#None}))))) (def .public (reserved? archive module) (-> Archive descriptor.Module Bit) (let [(open "/[0]") (representation archive)] - (case (dictionary.value module /#resolver) + (when (dictionary.value module /#resolver) {.#Some [id _]} true @@ -204,7 +204,7 @@ (revised #next (n.max +next)) (revised #resolver (function (_ resolver) (list#mix (function (_ [module [id entry]] resolver) - (case entry + (when entry {.#Some _} (dictionary.has module [id entry] resolver) @@ -240,7 +240,7 @@ (|> /#resolver dictionary.entries (list.all (function (_ [module [id descriptor+document]]) - (case descriptor+document + (when descriptor+document {.#Some _} {.#Some [module id]} {.#None} {.#None}))) [version /#next] diff --git a/stdlib/source/library/lux/meta/compiler/meta/archive/artifact/category.lux b/stdlib/source/library/lux/meta/compiler/meta/archive/artifact/category.lux index 706ea16ae..0afb9adc5 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/archive/artifact/category.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/archive/artifact/category.lux @@ -45,7 +45,7 @@ (Equivalence Category) (implementation (def (= left right) - (case [left right] + (when [left right] [{#Anonymous} {#Anonymous}] true diff --git a/stdlib/source/library/lux/meta/compiler/meta/archive/module/descriptor.lux b/stdlib/source/library/lux/meta/compiler/meta/archive/module/descriptor.lux index 057f72e6e..f9cfae82a 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/archive/module/descriptor.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/archive/module/descriptor.lux @@ -41,7 +41,7 @@ (Equivalence Module_State) (implementation (def (= left right) - (case [left right] + (when [left right] (^.with_template [] [[{} {}] true]) diff --git a/stdlib/source/library/lux/meta/compiler/meta/archive/registry.lux b/stdlib/source/library/lux/meta/compiler/meta/archive/registry.lux index 48f9fb04c..9f1e240d9 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/archive/registry.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/archive/registry.lux @@ -82,7 +82,7 @@ sequence.list (list.all (|>> product.left (the //.#category) - (pipe.case + (pipe.when { it} {.#Some it} _ {.#None})))))] @@ -119,7 +119,7 @@ )) category (is (Format Category) (function (_ value) - (case value + (when value (^.with_template [ ] [{ value} ((binary.and binary.nat ) [ value])]) @@ -164,7 +164,7 @@ category (is (Parser Category) (do [! <>.monad] [tag .nat] - (case tag + (when tag (^.with_template [ ] [ (at ! each (|>> {}) )]) @@ -185,7 +185,7 @@ (|> (.sequence_64 (all <>.and category mandatory? dependencies)) (at <>.monad each (sequence#mix (function (_ [category mandatory? dependencies] registry) (product.right - (case category + (when category {//category.#Anonymous} (..resource mandatory? dependencies registry) diff --git a/stdlib/source/library/lux/meta/compiler/meta/cache/dependency/artifact.lux b/stdlib/source/library/lux/meta/compiler/meta/cache/dependency/artifact.lux index 9f1d8bf22..26f28d451 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/cache/dependency/artifact.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/cache/dependency/artifact.lux @@ -38,7 +38,7 @@ (-> (-> Synthesis (List Constant)) (-> Path (List Constant))) (function (again path) - (case path + (when path (^.or {synthesis.#Pop} {synthesis.#Access _} {synthesis.#Bind _}) @@ -52,8 +52,8 @@ ([synthesis.#Alt] [synthesis.#Seq]) - {synthesis.#Bit_Fork when then else} - (case else + {synthesis.#Bit_Fork test then else} + (when else {.#Some else} (.all list#composite (again then) @@ -76,12 +76,12 @@ (def (references value) (-> Synthesis (List Constant)) - (case value + (when value {synthesis.#Simple value} (list) {synthesis.#Structure value} - (case value + (when value {analysis/complex.#Variant value} (|> value (the analysis/complex.#value) @@ -93,7 +93,7 @@ list#conjoint)) {synthesis.#Reference value} - (case value + (when value {reference.#Variable _} (list) @@ -101,9 +101,9 @@ (list value)) {synthesis.#Control value} - (case value + (when value {synthesis.#Branch value} - (case value + (when value {synthesis.#Exec this that} (.all list#composite (references this) @@ -123,13 +123,13 @@ {synthesis.#Get _ record} (references record) - {synthesis.#Case input path} + {synthesis.#When input path} (.all list#composite (references input) (path_references references path))) {synthesis.#Loop value} - (case value + (when value {synthesis.#Scope value} (let [of_inits (|> value (the synthesis.#inits) @@ -145,7 +145,7 @@ list#conjoint)) {synthesis.#Function value} - (case value + (when value {synthesis.#Abstraction value} (|> value (the synthesis.#body) @@ -217,11 +217,11 @@ (let [[mandatory immediate] (immediate_dependencies archive)] (loop (again [pending mandatory minimum unit.none]) - (case pending + (when pending {.#Item head tail} (if (set.member? minimum head) (again tail minimum) - (again (case (dictionary.value head immediate) + (again (when (dictionary.value head immediate) {.#Some additional} (list#composite (set.list additional) tail) diff --git a/stdlib/source/library/lux/meta/compiler/meta/cache/dependency/module.lux b/stdlib/source/library/lux/meta/compiler/meta/cache/dependency/module.lux index 0a9b6028f..60e4af536 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/cache/dependency/module.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/cache/dependency/module.lux @@ -57,7 +57,7 @@ (let [memo (is (Memo descriptor.Module Ancestry) (function (_ again module) (do [! state.monad] - [.let [parents (case (archive.find module archive) + [.let [parents (when (archive.find module archive) {try.#Success [module output registry]} (the [module.#descriptor descriptor.#references] module) diff --git a/stdlib/source/library/lux/meta/compiler/meta/cache/module.lux b/stdlib/source/library/lux/meta/compiler/meta/cache/module.lux index 081911993..619e3db90 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/cache/module.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/cache/module.lux @@ -55,14 +55,14 @@ error])] (do ! [? (//.enable! ! fs context)] - (case ? + (when ? {try.#Failure error} (in ) success (|> path (at fs make_directory) - (at ! each (|>> (pipe.case + (at ! each (|>> (pipe.when {try.#Failure error} diff --git a/stdlib/source/library/lux/meta/compiler/meta/cli.lux b/stdlib/source/library/lux/meta/compiler/meta/cli.lux index 21d0885ad..37adb69f4 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/cli.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/cli.lux @@ -114,7 +114,7 @@ (def .public target (-> Service Target) - (|>> (pipe.case + (|>> (pipe.when (^.or {#Compilation [host_dependencies libraries compilers sources target module]} {#Interpretation [host_dependencies libraries compilers sources target module]} {#Export [sources target]}) diff --git a/stdlib/source/library/lux/meta/compiler/meta/import.lux b/stdlib/source/library/lux/meta/compiler/meta/import.lux index b904d3df6..500de0a6f 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/import.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/import.lux @@ -50,10 +50,10 @@ (at ! conjoint) (at ! each (|>> sequence.list (monad.mix ! (function (_ entry import) - (case entry + (when entry {tar.#Normal [path instant mode ownership content]} (let [path (tar.from_path path)] - (case (dictionary.has' path (tar.data content) import) + (when (dictionary.has' path (tar.data content) import) {try.#Failure error} (exception.except ..duplicate [library path]) diff --git a/stdlib/source/library/lux/meta/compiler/meta/io/archive.lux b/stdlib/source/library/lux/meta/compiler/meta/io/archive.lux index cf8d212f8..40e32ad80 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/io/archive.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/io/archive.lux @@ -120,13 +120,13 @@ bundles ..empty_bundles output (is Output sequence.empty)]) (let [[analysers synthesizers generators declarations] bundles] - (case input + (when input {.#Item [[[@artifact artifact_category mandatory_artifact?] artifact_dependencies] input']} - (case (do ! + (when (do ! [data (try.of_maybe (dictionary.value (format (%.nat @artifact) extension) actual)) .let [context [@module @artifact] declaration (at host ingest context data)]] - (case artifact_category + (when artifact_category {category.#Anonymous} (do ! [.let [output (sequence.suffix [@artifact {.#None} data] output)] @@ -220,7 +220,7 @@ {try.#Success [definitions bundles output]})))) content (document.content $.key document) definitions (monad.each ! (function (_ [def_name def_global]) - (case def_global + (when def_global (^.with_template [] [{ payload} (in [def_name { payload}])]) @@ -269,7 +269,7 @@ (def (cache_parser customs) (-> (List Custom) (Parser [(module.Module Any) Registry])) - (case (for @.old (as (List (Custom Any Any Any)) + (when (for @.old (as (List (Custom Any Any Any)) customs) customs) {.#End} @@ -380,7 +380,7 @@ (Async (Try [Archive .Lux Bundles])))) (do async.monad [binary (at fs read (cache/archive.descriptor fs context))] - (case binary + (when binary {try.#Success binary} (do (try.with async.monad) [archive (async#in (archive.import ///.version binary))] diff --git a/stdlib/source/library/lux/meta/compiler/meta/io/context.lux b/stdlib/source/library/lux/meta/compiler/meta/io/context.lux index d5cc32d72..e6a80f7a5 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/io/context.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/io/context.lux @@ -58,7 +58,7 @@ (def (find_source_file fs importer contexts module extension) (-> (file.System Async) Module (List Context) Module Extension (Async (Try file.Path))) - (case contexts + (when contexts {.#End} (async#in (exception.except ..cannot_find_module [importer module])) @@ -81,7 +81,7 @@ ... Normal Lux files (i.e. without a host extension) are then picked as fallback files. (do [! async.monad] [outcome (..find_source_file fs importer contexts module (..full_host_extension partial_host_extension))] - (case outcome + (when outcome {try.#Success path} (|> path (at fs read) @@ -97,13 +97,13 @@ (def (find_library_source_file importer import partial_host_extension module) (-> Module Import Extension Module (Try [file.Path Binary])) (let [path (format module (..full_host_extension partial_host_extension))] - (case (dictionary.value path import) + (when (dictionary.value path import) {.#Some data} {try.#Success [path data]} {.#None} (let [path (format module ..lux_extension)] - (case (dictionary.value path import) + (when (dictionary.value path import) {.#Some data} {try.#Success [path data]} @@ -117,7 +117,7 @@ ... Normal Lux files (i.e. without a host extension) are then picked as fallback files. (do [! async.monad] [outcome (find_local_source_file fs importer import contexts partial_host_extension module)] - (case outcome + (when outcome {try.#Success [path data]} (in outcome) @@ -129,7 +129,7 @@ (Async (Try Input))) (do (try.with async.monad) [[path binary] (..find_any_source_file fs importer import contexts partial_host_extension module)] - (case (at utf8.codec decoded binary) + (when (at utf8.codec decoded binary) {try.#Success code} (in [////.#module module ////.#file path diff --git a/stdlib/source/library/lux/meta/compiler/meta/packager/jvm.lux b/stdlib/source/library/lux/meta/compiler/meta/packager/jvm.lux index b783f1262..1fbba7497 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/packager/jvm.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/packager/jvm.lux @@ -140,7 +140,7 @@ (java/util/jar/Attributes::put (java/util/jar/Attributes$Name::MANIFEST_VERSION) (ffi.as_string ..manifest_version)))] (exec - (case program + (when program {.#Some program} (to attrs (java/util/jar/Attributes::put (java/util/jar/Attributes$Name::MAIN_CLASS) @@ -188,7 +188,7 @@ chunk_size (.int ..mebi_byte) buffer (java/io/ByteArrayOutputStream::new (ffi.as_int chunk_size))] (loop (again [so_far 0]) - (case (ffi.of_int (java/io/InputStream::read chunk (ffi.as_int +0) (ffi.as_int chunk_size) input)) + (when (ffi.of_int (java/io/InputStream::read chunk (ffi.as_int +0) (ffi.as_int chunk_size) input)) -1 [so_far (java/io/ByteArrayOutputStream::toByteArray buffer)] @@ -213,7 +213,7 @@ (def (read_jar_entry entry input) (-> java/util/jar/JarEntry java/util/jar/JarInputStream [Nat Binary]) - (case (ffi.of_long (java/util/zip/ZipEntry::getSize entry)) + (when (ffi.of_long (java/util/zip/ZipEntry::getSize entry)) -1 (..read_jar_entry_with_unknown_size input) @@ -230,12 +230,12 @@ (loop (again [entries entries duplicates duplicates sink sink]) - (case (java/util/jar/JarInputStream::getNextJarEntry input) + (when (java/util/jar/JarInputStream::getNextJarEntry input) {try.#Failure error} {try.#Failure error} {try.#Success ?entry} - (case ?entry + (when ?entry {.#None} (exec (java/io/Closeable::close input) @@ -249,7 +249,7 @@ (text.starts_with? "META-INF/leiningen/" entry_path)) (or (text.ends_with? ".SF" entry_path) (text.ends_with? ".DSA" entry_path)))) - (case (java/util/jar/JarOutputStream::putNextEntry (java/util/jar/JarEntry::new (ffi.as_string entry_path)) + (when (java/util/jar/JarOutputStream::putNextEntry (java/util/jar/JarEntry::new (ffi.as_string entry_path)) sink) {try.#Failure error} (again entries diff --git a/stdlib/source/library/lux/meta/compiler/meta/packager/ruby.lux b/stdlib/source/library/lux/meta/compiler/meta/packager/ruby.lux index 1c0d70dc2..80be5feaf 100644 --- a/stdlib/source/library/lux/meta/compiler/meta/packager/ruby.lux +++ b/stdlib/source/library/lux/meta/compiler/meta/packager/ruby.lux @@ -49,7 +49,7 @@ (-> descriptor.Module module.ID (Set unit.ID) Output (Try (Maybe _.Statement))) (do [! try.monad] [] - (case (|> output + (when (|> output sequence.list (list.only (function (_ [artifact_id custom content]) (set.member? necessary_dependencies [module_id artifact_id])))) @@ -86,7 +86,7 @@ (do [! try.monad] [bundle (is (Try (Maybe _.Statement)) (..bundle_module module module_id necessary_dependencies (the archive.#output entry)))] - (case bundle + (when bundle {.#None} (in sink) diff --git a/stdlib/source/library/lux/meta/compiler/phase.lux b/stdlib/source/library/lux/meta/compiler/phase.lux index 2b67baec4..b5d04c40e 100644 --- a/stdlib/source/library/lux/meta/compiler/phase.lux +++ b/stdlib/source/library/lux/meta/compiler/phase.lux @@ -29,7 +29,7 @@ (implementation (def (each f it) (function (_ state) - (case (it state) + (when (it state) {try.#Success [state' output]} {try.#Success [state' (f output)]} @@ -47,7 +47,7 @@ (def (conjoint it) (function (_ state) - (case (it state) + (when (it state) {try.#Success [state' it']} (it' state') diff --git a/stdlib/source/library/lux/meta/compiler/reference.lux b/stdlib/source/library/lux/meta/compiler/reference.lux index 340cf1a0d..b7eb370de 100644 --- a/stdlib/source/library/lux/meta/compiler/reference.lux +++ b/stdlib/source/library/lux/meta/compiler/reference.lux @@ -31,7 +31,7 @@ (Equivalence Reference) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] (^.with_template [ ] [[{ reference} { sample}] (at = reference sample)]) @@ -48,7 +48,7 @@ ..equivalence) (def (hash value) - (case value + (when value (^.with_template [ ] [{ value} (|> value @@ -85,7 +85,7 @@ (def .public format (Format Reference) - (|>> (pipe.case + (|>> (pipe.when {#Variable variable} (/variable.format variable) diff --git a/stdlib/source/library/lux/meta/compiler/reference/variable.lux b/stdlib/source/library/lux/meta/compiler/reference/variable.lux index caa6d2c89..0e038ed06 100644 --- a/stdlib/source/library/lux/meta/compiler/reference/variable.lux +++ b/stdlib/source/library/lux/meta/compiler/reference/variable.lux @@ -29,7 +29,7 @@ (Equivalence Variable) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] (^.with_template [] [[{ reference'} { sample'}] (n.= reference' sample')]) @@ -45,7 +45,7 @@ ..equivalence) (def hash - (|>> (pipe.case + (|>> (pipe.when (^.with_template [ ] [{ register} (|> register @@ -60,7 +60,7 @@ (def .public self? (-> Variable Bit) - (|>> (pipe.case + (|>> (pipe.when (..self) true @@ -69,7 +69,7 @@ (def .public format (Format Variable) - (|>> (pipe.case + (|>> (pipe.when {#Local local} (%.format "+" (%.nat local)) diff --git a/stdlib/source/library/lux/meta/configuration.lux b/stdlib/source/library/lux/meta/configuration.lux index 45ca34758..b98d92ee1 100644 --- a/stdlib/source/library/lux/meta/configuration.lux +++ b/stdlib/source/library/lux/meta/configuration.lux @@ -74,7 +74,7 @@ (def (subsumes? actual expected) (-> Configuration Configuration Bit) - (case expected + (when expected {.#End} true @@ -90,7 +90,7 @@ default (<>.maybe .any)]) (do meta.monad [actual meta.configuration] - (case (list#mix (function (_ [expected then] choice) + (when (list#mix (function (_ [expected then] choice) (if (subsumes? actual expected) {.#Some then} choice)) diff --git a/stdlib/source/library/lux/meta/extension.lux b/stdlib/source/library/lux/meta/extension.lux index f4e7b41d7..175b1143f 100644 --- a/stdlib/source/library/lux/meta/extension.lux +++ b/stdlib/source/library/lux/meta/extension.lux @@ -50,7 +50,7 @@ (with_symbols [g!handler g!inputs g!error g!_] (in (list (` ( (, name) (.function ((, g!handler) (, g!name) (, g!phase) (, g!archive) (, g!inputs)) - (.case ( + (.when ( (monad.do <>.monad [(,* inputs) (, g!_) ] diff --git a/stdlib/source/library/lux/meta/location.lux b/stdlib/source/library/lux/meta/location.lux index a9e62dd5f..2c4fc0eb1 100644 --- a/stdlib/source/library/lux/meta/location.lux +++ b/stdlib/source/library/lux/meta/location.lux @@ -20,7 +20,7 @@ (def .public here (macro (_ tokens compiler) - (case tokens + (when tokens {.#End} (let [location (the .#location compiler)] {.#Right [compiler diff --git a/stdlib/source/library/lux/meta/macro.lux b/stdlib/source/library/lux/meta/macro.lux index 0b7bb514a..298bde13d 100644 --- a/stdlib/source/library/lux/meta/macro.lux +++ b/stdlib/source/library/lux/meta/macro.lux @@ -27,7 +27,7 @@ (def (local ast) (-> Code (Meta Text)) - (case ast + (when ast [_ {.#Symbol ["" name]}] (at //.monad in name) @@ -42,7 +42,7 @@ (def .public with_symbols (.macro (_ tokens) - (case tokens + (when tokens (list [_ {.#Tuple symbols}] body) (do [! //.monad] [symbol_names (monad.each ! ..local symbols) @@ -58,11 +58,11 @@ (def .public times (.macro (_ tokens) - (case tokens + (when tokens (list.partial [_ {.#Nat times}] terms) (loop (again [times times before terms]) - (case times + (when times 0 (at //.monad in before) diff --git a/stdlib/source/library/lux/meta/macro/context.lux b/stdlib/source/library/lux/meta/macro/context.lux index 73cda9cd0..5a347775d 100644 --- a/stdlib/source/library/lux/meta/macro/context.lux +++ b/stdlib/source/library/lux/meta/macro/context.lux @@ -33,7 +33,7 @@ (do meta.monad [.let [[@ expected_name] it] defs (meta.definitions @)] - (case (list.one (function (_ [actual_name [exported? type value]]) + (when (list.one (function (_ [actual_name [exported? type value]]) (if (text#= expected_name actual_name) {.#Some value} {.#None})) @@ -50,7 +50,7 @@ (All (_ a) (-> (Stack a) Symbol (Meta a))) (do meta.monad [stack (..global context)] - (case (|> stack + (when (|> stack (as (Stack Any)) list.head) {.#Some top} @@ -69,7 +69,7 @@ (All (_ a) (-> (Stack a) (Predicate a) Symbol (Meta a))) (do meta.monad [stack (..global context)] - (case (|> stack + (when (|> stack (as (Stack Any)) (list.example (as (Predicate Any) ?))) {.#Some it} @@ -88,7 +88,7 @@ (function (_ lux) (let [on_global (is (-> Global Global) (function (_ it) - (case it + (when it {.#Definition it} {.#Definition (on_definition it)} diff --git a/stdlib/source/library/lux/meta/macro/expansion.lux b/stdlib/source/library/lux/meta/macro/expansion.lux index eb30d4ee8..9364ecc77 100644 --- a/stdlib/source/library/lux/meta/macro/expansion.lux +++ b/stdlib/source/library/lux/meta/macro/expansion.lux @@ -20,11 +20,11 @@ (def .public (single syntax) (-> Code (Meta (List Code))) - (case syntax + (when syntax [_ {.#Form {.#Item [[_ {.#Symbol name}] args]}}] (do ///.monad [?macro (///.macro name)] - (case ?macro + (when ?macro {.#Some macro} ((as Macro' macro) args) @@ -36,11 +36,11 @@ (def .public (complete syntax) (-> Code (Meta (List Code))) - (case syntax + (when syntax [_ {.#Form {.#Item [[_ {.#Symbol name}] args]}}] (do ///.monad [?macro (///.macro name)] - (case ?macro + (when ?macro {.#Some macro} (do [! ///.monad] [top_level_complete ((as Macro' macro) args)] @@ -56,11 +56,11 @@ (def .public (total syntax) (-> Code (Meta (List Code))) - (case syntax + (when syntax [_ {.#Form {.#Item [[_ {.#Symbol name}] args]}}] (do ///.monad [?macro (///.macro name)] - (case ?macro + (when ?macro {.#Some macro} (do ///.monad [complete ((as Macro' macro) args) @@ -95,7 +95,7 @@ (-> Code (Meta Code)) (do ///.monad [token+ (..complete token)] - (case token+ + (when token+ (list token') (in token') @@ -108,8 +108,8 @@ (let [[module _] (.symbol .._) [_ short] (.symbol ) macro_name [module short]] - (case (is (Maybe [Bit Code]) - (case tokens + (when (is (Maybe [Bit Code]) + (when tokens (list [_ {.#Text "omit"}] token) {.#Some [true token]} diff --git a/stdlib/source/library/lux/meta/macro/local.lux b/stdlib/source/library/lux/meta/macro/local.lux index 8e0d8d709..c69b32f95 100644 --- a/stdlib/source/library/lux/meta/macro/local.lux +++ b/stdlib/source/library/lux/meta/macro/local.lux @@ -37,9 +37,9 @@ (def (with_module name body) (All (_ a) (-> Text (-> Module (Try [Module a])) (Meta a))) (function (_ compiler) - (case (|> compiler (the .#modules) (property.value name)) + (when (|> compiler (the .#modules) (property.value name)) {.#Some module} - (case (body module) + (when (body module) {try.#Success [module' output]} {try.#Success [(revised .#modules (property.has name module') compiler) output]} @@ -59,7 +59,7 @@ (property.has definition_name definition))]] (..with_module module_name (function (_ module) - (case (|> module (the .#definitions) (property.value definition_name)) + (when (|> module (the .#definitions) (property.value definition_name)) {.#None} {try.#Success [(revised .#definitions add_macro! module) []]} @@ -75,7 +75,7 @@ (property.lacks definition_name))]] (..with_module module_name (function (_ module) - (case (|> module (the .#definitions) (property.value definition_name)) + (when (|> module (the .#definitions) (property.value definition_name)) {.#Some _} {try.#Success [(revised .#definitions lacks_macro! module) []]} @@ -91,7 +91,7 @@ [_ (monad.each ! ..pop_one macros) _ (..pop_one self) compiler meta.compiler_state] - (in (case (the .#expected compiler) + (in (when (the .#expected compiler) {.#Some _} (list (' [])) @@ -135,7 +135,7 @@ locals) expression? (is (Meta Bit) (function (_ lux) - {try.#Success [lux (case (the .#expected lux) + {try.#Success [lux (when (the .#expected lux) {.#None} false diff --git a/stdlib/source/library/lux/meta/macro/pattern.lux b/stdlib/source/library/lux/meta/macro/pattern.lux index b639259ba..f4f352efc 100644 --- a/stdlib/source/library/lux/meta/macro/pattern.lux +++ b/stdlib/source/library/lux/meta/macro/pattern.lux @@ -19,7 +19,7 @@ (def locally (macro (_ tokens lux) (.let [[prelude _] (symbol ._)] - (case tokens + (when tokens (list [@ {.#Symbol ["" name]}]) {.#Right [lux (list (.` ("lux in-module" (., [@ {.#Text prelude}]) (., [@ {.#Symbol [prelude name]}]))))]} @@ -68,9 +68,9 @@ (def .public or (pattern (macro (_ tokens) - (case tokens + (when tokens (list.partial [_ {.#Form patterns}] body branches) - (case patterns + (when patterns {.#End} (///.failure (..wrong_syntax_error (symbol ..or))) @@ -85,12 +85,12 @@ (def .public with_template (pattern (macro (_ tokens) - (case tokens + (when tokens (list.partial [_ {.#Form (list [_ {.#Tuple bindings}] [_ {.#Tuple templates}])}] [_ {.#Form data}] branches) - (case (is (Maybe (List Code)) + (when (is (Maybe (List Code)) (do maybe.monad [bindings' (monad.each maybe.monad symbol_short bindings) data' (monad.each maybe.monad tuple_list data)] @@ -118,7 +118,7 @@ (def (level it) (-> Code (Meta Level)) - (///#in (case it + (///#in (when it [_ {.#Tuple (list expr binding)}] [expr binding] @@ -130,7 +130,7 @@ (def (multiP levels) (-> (List Code) (Meta Multi)) - (case levels + (when levels {.#End} (///.failure "Multi-level patterns cannot be empty.") @@ -142,13 +142,13 @@ (def (multiG g!_ [[init_pattern levels] body]) (-> Code [Multi Code] (List Code)) (.let [inner_pattern_body (list#mix (function (_ [calculation pattern] success) - (.let [bind? (case pattern + (.let [bind? (when pattern [_ {.#Symbol _}] true _ false)] - (.` (case (., calculation) + (.` (when (., calculation) (., pattern) (., success) @@ -162,12 +162,12 @@ (def .public multi (pattern (macro (_ tokens) - (case tokens + (when tokens (list.partial [_meta {.#Form levels}] body next_branches) (with_symbols [g!temp] (do ///.monad [mlc (multiP levels) - .let [initial_bind? (case mlc + .let [initial_bind? (when mlc [[_ {.#Symbol _}] _] true @@ -179,10 +179,10 @@ (., g!temp) {.#None} - (.case (., g!temp) + (.when (., g!temp) (.,* next_branches))} ("lux type check" {.#Apply (., (type_code expected)) Maybe} - (.case (., g!temp) + (.when (., g!temp) (.,* (multiG g!temp [mlc body])) (.,* (if initial_bind? @@ -195,11 +195,11 @@ (def .public let (pattern (macro (_ tokens) - (case tokens + (when tokens (list.partial [_meta {.#Form (list [_ {.#Symbol ["" name]}] pattern)}] body branches) (.let [g!whole (local$ name)] (///#in (list.partial g!whole - (.` (case (., g!whole) (., pattern) (., body))) + (.` (when (., g!whole) (., pattern) (., body))) branches))) _ @@ -208,7 +208,7 @@ (def .public |> (pattern (macro (_ tokens) - (case tokens + (when tokens (list.partial [_meta {.#Form (list [_ {.#Symbol ["" name]}] [_ {.#Tuple steps}])}] body branches) (.let [g!name (local$ name)] (///#in (list.partial g!name @@ -225,7 +225,7 @@ (def (untemplated_partial_list last inits) (-> Code (List Code) Code) - (case inits + (when inits {.#End} last @@ -244,12 +244,12 @@ (with_expansions [ (do ///.monad [=elems (monad.each ///.monad untemplated_pattern elems)] (in (.` [(., g!meta) {(., ) (., (untemplated_list =elems))}])))] - (case (list.reversed elems) + (when (list.reversed elems) {.#Item [_ {.#Form {.#Item [_ {.#Symbol global}] parameters}}] inits} (do ///.monad [micro (///.try (..named_spliced_unquote global))] - (case micro + (when micro {try.#Success micro} (do ///.monad [output (..one_expansion ((//.function micro) parameters)) @@ -281,7 +281,7 @@ (def (untemplated_pattern pattern) (-> Code (Meta Code)) (with_symbols [g!meta] - (case pattern + (when pattern (..with_template [ ] [[_ { value}] (///#in (.` [(., g!meta) { (., ( value))}]))]) @@ -296,7 +296,7 @@ [@composite {.#Form {.#Item [@global {.#Symbol global}] parameters}}] (do [! ///.monad] [micro (///.try (..named_unquote global))] - (case micro + (when micro {try.#Success micro} (do ! [[_ output] (..one_expansion ((//.function micro) parameters))] @@ -316,7 +316,7 @@ (def .public ` (pattern (macro (_ tokens) - (case tokens + (when tokens (list.partial [_meta {.#Form (list template)}] body branches) (do ///.monad [pattern (untemplated_pattern template)] diff --git a/stdlib/source/library/lux/meta/macro/syntax.lux b/stdlib/source/library/lux/meta/macro/syntax.lux index aa415eeb8..ec96b9e42 100644 --- a/stdlib/source/library/lux/meta/macro/syntax.lux +++ b/stdlib/source/library/lux/meta/macro/syntax.lux @@ -18,7 +18,7 @@ (def .public (self_documenting binding parser) (All (_ a) (-> Code (Parser a) (Parser a))) (function (_ tokens) - (case (parser tokens) + (when (parser tokens) {try.#Failure error} {try.#Failure (all text#composite "Failed to parse: " (code.format binding) text.new_line @@ -29,7 +29,7 @@ (def (un_paired pairs) (All (_ a) (-> (List [a a]) (List a))) - (case pairs + (when pairs {.#Item [x y] pairs'} (list.partial x y (un_paired pairs')) @@ -47,11 +47,11 @@ (def .public syntax (macro (_ tokens) - (case (.result ..syntaxP tokens) + (when (.result ..syntaxP tokens) {try.#Success [[name g!state args] body]} (with_symbols [g!tokens g!body g!error] (do [! meta.monad] - [vars+parsers (case (list.pairs args) + [vars+parsers (when (list.pairs args) {.#Some args} (monad.each ! (is (-> [Code Code] (Meta [Code Code])) @@ -59,7 +59,7 @@ (with_expansions [ (in [var (` (..self_documenting (' (, var)) (, parser)))])] - (case var + (when var [_ {.#Symbol ["" _]}] @@ -72,7 +72,7 @@ _ (meta.failure "Syntax pattern expects pairs of bindings and code-parsers.")) - g!state (case g!state + g!state (when g!state {.#Some g!state} (in (code.local g!state)) @@ -81,7 +81,7 @@ this_module meta.current_module_name .let [g!name (code.symbol ["" name])]] (in (list (` (.macro ((, g!name) (, g!tokens) (, g!state)) - (.case (.result + (.when (.result (is (.Parser (Meta (List Code))) (do <>.monad [(,* (..un_paired vars+parsers))] diff --git a/stdlib/source/library/lux/meta/macro/syntax/declaration.lux b/stdlib/source/library/lux/meta/macro/syntax/declaration.lux index 1f4a9cccd..511f10c30 100644 --- a/stdlib/source/library/lux/meta/macro/syntax/declaration.lux +++ b/stdlib/source/library/lux/meta/macro/syntax/declaration.lux @@ -36,7 +36,7 @@ (def .public (format value) (-> Declaration Code) (let [g!name (code.local (the #name value))] - (case (the #arguments value) + (when (the #arguments value) {.#End} g!name diff --git a/stdlib/source/library/lux/meta/macro/syntax/definition.lux b/stdlib/source/library/lux/meta/macro/syntax/definition.lux index 445068226..0f6be7510 100644 --- a/stdlib/source/library/lux/meta/macro/syntax/definition.lux +++ b/stdlib/source/library/lux/meta/macro/syntax/definition.lux @@ -55,7 +55,7 @@ (-> Definition Code) (` ((, (code.text ..extension)) (, (code.local _#name)) - (, (case _#value + (, (when _#value {.#Left check} (//check.format check) @@ -89,7 +89,7 @@ (-> Lux (Parser Definition)) (do <>.monad [definition (..parser compiler) - _ (case (the #value definition) + _ (when (the #value definition) {.#Left _} (in []) diff --git a/stdlib/source/library/lux/meta/macro/syntax/export.lux b/stdlib/source/library/lux/meta/macro/syntax/export.lux index 1bc78cb9f..04e5c730a 100644 --- a/stdlib/source/library/lux/meta/macro/syntax/export.lux +++ b/stdlib/source/library/lux/meta/macro/syntax/export.lux @@ -17,7 +17,7 @@ (Parser Code) (do [! <>.monad] [candidate .next] - (case candidate + (when candidate [_ {.#Symbol ["" _]}] (in default_policy) diff --git a/stdlib/source/library/lux/meta/macro/template.lux b/stdlib/source/library/lux/meta/macro/template.lux index cb6acd2d5..a045bd235 100644 --- a/stdlib/source/library/lux/meta/macro/template.lux +++ b/stdlib/source/library/lux/meta/macro/template.lux @@ -53,7 +53,7 @@ (do <>.monad [[module short] parser] (in (if module_side? - (case module + (when module "" short _ module) short)))) @@ -86,7 +86,7 @@ [(def .public (syntax (_ [name (<>.or (<>.and (..part true) (..part false)) (..part false))]) - (case name + (when name {.#Left [simple complex]} (in (list ( [(text.interposed "" simple) (text.interposed "" complex)]))) @@ -102,9 +102,9 @@ (def (applied env template) (-> Environment Code Code) - (case template + (when template [_ {.#Symbol "" name}] - (case (dictionary.value name env) + (when (dictionary.value name env) {.#Some substitute} substitute @@ -164,7 +164,7 @@ [here_name meta.current_module_name expression? (is (Meta Bit) (function (_ lux) - {try.#Success [lux (case (the .#expected lux) + {try.#Success [lux (when (the .#expected lux) {.#None} false diff --git a/stdlib/source/library/lux/meta/static.lux b/stdlib/source/library/lux/meta/static.lux index 617ce7cdb..9a8d25cfe 100644 --- a/stdlib/source/library/lux/meta/static.lux +++ b/stdlib/source/library/lux/meta/static.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except nat int rev if cond) + [lux (.except nat int rev if cond when) [abstract [monad (.only do)]] [control diff --git a/stdlib/source/library/lux/meta/symbol.lux b/stdlib/source/library/lux/meta/symbol.lux index e46516bb9..edbf2acd3 100644 --- a/stdlib/source/library/lux/meta/symbol.lux +++ b/stdlib/source/library/lux/meta/symbol.lux @@ -46,12 +46,12 @@ (Codec Text Symbol) (implementation (def (encoded [module short]) - (case module + (when module "" short _ (all text#composite module ..separator short))) (def (decoded input) - (case (text.all_split_by ..separator input) + (when (text.all_split_by ..separator input) (list short) {.#Right ["" short]} diff --git a/stdlib/source/library/lux/meta/target/common_lisp.lux b/stdlib/source/library/lux/meta/target/common_lisp.lux index b7ce2a7fb..9d92f4557 100644 --- a/stdlib/source/library/lux/meta/target/common_lisp.lux +++ b/stdlib/source/library/lux/meta/target/common_lisp.lux @@ -77,7 +77,7 @@ (def .public bool (-> Bit Literal) - (|>> (pipe.case + (|>> (pipe.when #0 ..nil #1 (..symbol "t")))) @@ -154,7 +154,7 @@ (def .public (args& singles rest) (-> (List Var/1) Var/1 Var/*) - (|> (case singles + (|> (when singles {.#End} "" @@ -404,7 +404,7 @@ (with_template [ ] [(def .public ( conditions expression) (-> (List Text) (Expression Any) (Expression Any)) - (case conditions + (when conditions {.#End} expression diff --git a/stdlib/source/library/lux/meta/target/js.lux b/stdlib/source/library/lux/meta/target/js.lux index e5a1ce144..37792d6bc 100644 --- a/stdlib/source/library/lux/meta/target/js.lux +++ b/stdlib/source/library/lux/meta/target/js.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Location Code Label or and function if undefined for comment not int try ++ -- the type_of at ,) + [lux (.except Location Code Label or and function if undefined for comment not int try ++ -- the type_of at , when) [control ["[0]" pipe]] [data @@ -73,7 +73,7 @@ (def .public boolean (-> Bit Literal) - (|>> (pipe.case + (|>> (pipe.when #0 "false" #1 "true") abstraction)) @@ -414,7 +414,7 @@ (..nested (representation then))))) (text.interposed \n+)) \n+ - (case default + (.when default {.#Some default} (format "default:" (..nested (representation default))) diff --git a/stdlib/source/library/lux/meta/target/jvm/attribute.lux b/stdlib/source/library/lux/meta/target/jvm/attribute.lux index 0b0af146e..c6ff2472f 100644 --- a/stdlib/source/library/lux/meta/target/jvm/attribute.lux +++ b/stdlib/source/library/lux/meta/target/jvm/attribute.lux @@ -87,7 +87,7 @@ (def (length attribute) (-> Attribute Nat) - (case attribute + (when attribute (^.with_template [] [{ [name length info]} (|> length //unsigned.value (n.+ ..common_attribute_length))]) @@ -139,7 +139,7 @@ (def .public (format it) (Format Attribute) - (case it + (when it {#Constant it} ((info_format /constant.format) it) diff --git a/stdlib/source/library/lux/meta/target/jvm/bytecode.lux b/stdlib/source/library/lux/meta/target/jvm/bytecode.lux index 6123ee60e..57ea8caf8 100644 --- a/stdlib/source/library/lux/meta/target/jvm/bytecode.lux +++ b/stdlib/source/library/lux/meta/target/jvm/bytecode.lux @@ -85,7 +85,7 @@ (def try|do (template (_ ) - [(.case + [(.when {try.#Success } @@ -151,7 +151,7 @@ (let [[pool environment tracker] state] {try.#Success [state [..relative#identity - (case (dictionary.value label (the #known tracker)) + (when (dictionary.value label (the #known tracker)) {.#Some [expected {.#Some address}]} {.#Some [expected address]} @@ -164,7 +164,7 @@ (let [[pool environment tracker] state] {try.#Success [state [..relative#identity - (case (dictionary.value label (the #known tracker)) + (when (dictionary.value label (the #known tracker)) {.#Some [expected {.#None}]} {.#Some expected} @@ -190,7 +190,7 @@ (-> Label (Bytecode Any)) (function (_ [pool environment tracker]) (let [@here (the #program_counter tracker)] - (case (dictionary.value label (the #known tracker)) + (when (dictionary.value label (the #known tracker)) {.#Some [expected {.#Some address}]} (exception.except ..label_has_already_been_set [label]) @@ -211,7 +211,7 @@ (implementation (def (each $ it) (function (_ state) - (case (it state) + (when (it state) {try.#Success [state' [relative it]]} {try.#Success [state' [relative ($ it)]]} @@ -230,9 +230,9 @@ (def (conjoint ^^it) (function (_ state) - (case (^^it state) + (when (^^it state) {try.#Success [state' [left ^it]]} - (case (^it state') + (when (^it state') {try.#Success [state'' [right it]]} {try.#Success [state'' [(relative#composite left right) it]]} @@ -248,7 +248,7 @@ (-> (Bytecode Any) (Bytecode Any)) (do ..monad [stack ..stack] - (.case stack + (.when stack {.#Some _} it @@ -260,7 +260,7 @@ (-> Label (Bytecode Any) (Bytecode Any)) (do ..monad [?@ (..acknowledged? @)] - (.case ?@ + (.when ?@ {.#Some _} it @@ -557,7 +557,7 @@ (-> //constant.UTF8 (Bytecode Any)) (do ..monad [index (..lifted (//constant/pool.string value))] - (case (|> index //index.value //unsigned.value //unsigned.u1) + (when (|> index //index.value //unsigned.value //unsigned.u1) {try.#Success index} (..bytecode $0 $1 @_ _.ldc [index]) @@ -575,14 +575,14 @@ (with_template [ ] [(def .public ( value) (-> (Bytecode Any)) - (case (|> value ) + (when (|> value ) (^.with_template [ ] [ (..bytecode $0 $1 @_ [])]) _ (do ..monad [index (..lifted ( ( value)))] - (case (|> index //index.value //unsigned.value //unsigned.u1) + (when (|> index //index.value //unsigned.value //unsigned.u1) {try.#Success index} (..bytecode $0 $1 @_ _.ldc [index]) @@ -604,7 +604,7 @@ (-> java/lang/Float (Bytecode Any)) (do ..monad [index (..lifted (//constant/pool.float (//constant.float value)))] - (case (|> index //index.value //unsigned.value //unsigned.u1) + (when (|> index //index.value //unsigned.value //unsigned.u1) {try.#Success index} (..bytecode $0 $1 @_ _.ldc [index]) @@ -625,7 +625,7 @@ (if (i.= ..negative_zero_float_bits (..float_bits value)) (..arbitrary_float value) - (case (|> value ffi.float_to_double (as Frac)) + (when (|> value ffi.float_to_double (as Frac)) (^.with_template [ ] [ (..bytecode $0 $1 @_ [])]) ([+0.0 _.fconst_0] @@ -637,7 +637,7 @@ (with_template [ ] [(def .public ( value) (-> (Bytecode Any)) - (case (|> value ) + (when (|> value ) (^.with_template [ ] [ (..bytecode $0 $2 @_ [])]) @@ -671,7 +671,7 @@ (if (i.= ..negative_zero_double_bits (..double_bits value)) (..arbitrary_double value) - (case (as Frac value) + (when (as Frac value) (^.with_template [ ] [ (..bytecode $0 $2 @_ [])]) ([+0.0 _.dconst_0] @@ -685,7 +685,7 @@ (def (register id) (-> Nat (Bytecode Register)) - (case (//unsigned.u1 id) + (when (//unsigned.u1 id) {try.#Success register} (at ..monad in register) @@ -696,7 +696,7 @@ [(def .public ( local) (-> Nat (Bytecode Any)) (with_expansions [' (template.spliced )] - (`` (case local + (`` (when local (,, (with_template [ ] [ (..bytecode $0 [])] @@ -736,7 +736,7 @@ [(def .public ( local) (-> Nat (Bytecode Any)) (with_expansions [' (template.spliced )] - (`` (case local + (`` (when local (,, (with_template [ ] [ (..bytecode $0 [])] @@ -815,7 +815,7 @@ (def (resolve_label label resolver) (-> Label Resolver (Try [Stack Address])) - (case (dictionary.value label resolver) + (when (dictionary.value label resolver) {.#Some [actual {.#Some address}]} {try.#Success [actual address]} @@ -828,7 +828,7 @@ (def (acknowledge_label stack label tracker) (-> Stack Label Tracker Tracker) - (case (dictionary.value label (the #known tracker)) + (when (dictionary.value label (the #known tracker)) {.#Some _} tracker @@ -857,7 +857,7 @@ (try|do _ (exception.assertion ..mismatched_environments [(symbol ) label @here expected actual] (at /stack.equivalence = expected actual))) (try|do jump (..jump @from @to)) - (case jump + (when jump {.#Left jump} (exception.except ..cannot_do_a_big_jump [label @from jump]) @@ -901,12 +901,12 @@ (..acknowledge_label actual label) (has #program_counter program_counter'))] [(function (_ resolver) - (case (dictionary.value label resolver) + (when (dictionary.value label resolver) {.#Some [expected {.#Some @to}]} (<| (try|do _ (exception.assertion ..mismatched_environments [(symbol ) label @here expected actual] (at /stack.equivalence = expected actual))) (try|do jump (..jump @from @to)) - (case jump + (when jump {.#Left jump} @@ -931,7 +931,7 @@ (def (big_jump jump) (-> Any_Jump Big_Jump) - (case jump + (when jump {.#Left big} big @@ -957,7 +957,7 @@ (let [get (is (-> Label (Maybe [Stack (Maybe Address)])) (function (_ label) (dictionary.value label resolver)))] - (case (do [! maybe.monad] + (when (do [! maybe.monad] [@default (|> default get (monad.then ! product.right)) @at_minimum (|> at_minimum get (monad.then ! product.right))] (|> afterwards @@ -999,7 +999,7 @@ (let [get (is (-> Label (Maybe [Stack (Maybe Address)])) (function (_ label) (dictionary.value label resolver)))] - (case (do [! maybe.monad] + (when (do [! maybe.monad] [@default (|> default get (monad.then ! product.right))] (|> cases (monad.each ! (|>> product.right get)) @@ -1050,7 +1050,7 @@ (-> (Type Object) U1 (Bytecode Any)) (do ..monad [_ (is (Bytecode Any) - (case (|> dimensions //unsigned.value) + (when (|> dimensions //unsigned.value) 0 (..except ..multiarray_cannot_be_zero_dimensional [class]) _ (in []))) index (..lifted (//constant/pool.class (//name.internal (..reflection class))))] @@ -1162,9 +1162,9 @@ (All (_ pre post) (-> (Bytecode pre) (Bytecode post) (Bytecode post))) (function (_ state) - (case (pre state) + (when (pre state) {try.#Success [state' [left _]]} - (case (post state') + (when (post state') {try.#Success [state'' [right it]]} {try.#Success [state'' [(relative#composite left right) it]]} diff --git a/stdlib/source/library/lux/meta/target/jvm/bytecode/environment.lux b/stdlib/source/library/lux/meta/target/jvm/bytecode/environment.lux index 49e3455f4..dd33b7853 100644 --- a/stdlib/source/library/lux/meta/target/jvm/bytecode/environment.lux +++ b/stdlib/source/library/lux/meta/target/jvm/bytecode/environment.lux @@ -53,7 +53,7 @@ (def .public (stack environment) (-> Environment (Try Stack)) - (case (the ..#stack environment) + (when (the ..#stack environment) {.#Some stack} {try.#Success stack} @@ -72,7 +72,7 @@ (def .public (continue expected environment) (-> Stack Environment (Try [Stack Environment])) - (case (the ..#stack environment) + (when (the ..#stack environment) {.#Some actual} (if (at /stack.equivalence = expected actual) {try.#Success [actual environment]} diff --git a/stdlib/source/library/lux/meta/target/jvm/bytecode/instruction.lux b/stdlib/source/library/lux/meta/target/jvm/bytecode/instruction.lux index 9dc19ed00..573424e12 100644 --- a/stdlib/source/library/lux/meta/target/jvm/bytecode/instruction.lux +++ b/stdlib/source/library/lux/meta/target/jvm/bytecode/instruction.lux @@ -608,7 +608,7 @@ maximum (///signed.+/4 minimum amount_of_afterwards)] (in (let [_ (binary.has_8! offset (hex "AA") binary) offset (n.+ (///unsigned.value ..opcode_size) offset) - _ (case padding + _ (when padding 3 (|> binary (binary.has_8! offset 0) (binary.has_16! (++ offset) 0)) @@ -624,7 +624,7 @@ (loop (again [offset (n.+ (///unsigned.value ..integer_size) offset) afterwards (is (List Big_Jump) {.#Item at_minimum afterwards})]) - (case afterwards + (when afterwards {.#End} binary @@ -668,7 +668,7 @@ [(n.+ lookupswitch_size offset) (let [_ (binary.has_8! offset (hex "AB") binary) offset (n.+ (///unsigned.value ..opcode_size) offset) - _ (case padding + _ (when padding 3 (|> binary (binary.has_8! offset 0) (binary.has_16! (++ offset) 0)) @@ -681,7 +681,7 @@ _ (binary.has_32! offset amount_of_cases binary)] (loop (again [offset (n.+ (///unsigned.value ..integer_size) offset) cases cases]) - (case cases + (when cases {.#End} binary diff --git a/stdlib/source/library/lux/meta/target/jvm/class.lux b/stdlib/source/library/lux/meta/target/jvm/class.lux index bd9fdd41b..1a5b3a1d8 100644 --- a/stdlib/source/library/lux/meta/target/jvm/class.lux +++ b/stdlib/source/library/lux/meta/target/jvm/class.lux @@ -103,7 +103,7 @@ [classes (install_classes this super interfaces) =fields (monad.all ! fields) =methods (monad.all ! methods) - @signature (case signature + @signature (when signature {.#Some signature} (at ! each (|>> {.#Some}) (//attribute.signature signature)) @@ -120,7 +120,7 @@ #interfaces @interfaces #fields (sequence.of_list =fields) #methods (sequence.of_list =methods) - #attributes (case @signature + #attributes (when @signature {.#Some @signature} (sequence.suffix @signature attributes) diff --git a/stdlib/source/library/lux/meta/target/jvm/constant.lux b/stdlib/source/library/lux/meta/target/jvm/constant.lux index a56a74c11..d05df9511 100644 --- a/stdlib/source/library/lux/meta/target/jvm/constant.lux +++ b/stdlib/source/library/lux/meta/target/jvm/constant.lux @@ -171,7 +171,7 @@ (def .public (size constant) (-> Constant Nat) - (case constant + (when constant (^.or {#Long _} {#Double _}) 2 @@ -184,7 +184,7 @@ ... version below as soon as the new format for variants is implemented. (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] (^.with_template [ ] [[{ reference} { sample}] (at = reference sample)]) @@ -242,7 +242,7 @@ ... TODO: Invoke_Dynamic )] (function (_ value) - (case value + (when value (^.with_template [ ] [{ value} (binaryF#composite (/tag.format ) diff --git a/stdlib/source/library/lux/meta/target/jvm/constant/pool.lux b/stdlib/source/library/lux/meta/target/jvm/constant/pool.lux index d3a8c2546..759d88314 100644 --- a/stdlib/source/library/lux/meta/target/jvm/constant/pool.lux +++ b/stdlib/source/library/lux/meta/target/jvm/constant/pool.lux @@ -49,7 +49,7 @@ (implementation (def (each $ it) (|>> it - (pipe.case + (pipe.when {try.#Success [state output]} {try.#Success [state ($ output)]} @@ -68,7 +68,7 @@ (def (conjoint it) (function (_ state) - (case (it state) + (when (it state) {try.#Success [state' it']} (it' state') @@ -78,7 +78,7 @@ (def try|each (template (_ ) - [(case + [(when {try.#Success } @@ -96,9 +96,9 @@ ' ] (with_expansions [ (these (again (.++ idx)))] (loop (again [idx 0]) - (case (sequence.item idx pool) + (when (sequence.item idx pool) {try.#Success entry} - (case entry + (when entry [index { reference}] (if (at = reference ') {try.#Success [[current pool] @@ -127,7 +127,7 @@ (def /|each (template (_ ) - [(case ( ) + [(when ( ) {try.#Success [ ]} diff --git a/stdlib/source/library/lux/meta/target/jvm/field.lux b/stdlib/source/library/lux/meta/target/jvm/field.lux index e0561b457..49c60849e 100644 --- a/stdlib/source/library/lux/meta/target/jvm/field.lux +++ b/stdlib/source/library/lux/meta/target/jvm/field.lux @@ -73,7 +73,7 @@ (in [#modifier modifier #name @name #descriptor @descriptor - #attributes (case @signature + #attributes (when @signature {.#Some @signature} (sequence.suffix @signature attributes) diff --git a/stdlib/source/library/lux/meta/target/jvm/loader.lux b/stdlib/source/library/lux/meta/target/jvm/loader.lux index 05d45cfad..c8d70c482 100644 --- a/stdlib/source/library/lux/meta/target/jvm/loader.lux +++ b/stdlib/source/library/lux/meta/target/jvm/loader.lux @@ -117,9 +117,9 @@ "throws" [java/lang/ClassNotFoundException] (let [class_name (as Text class_name) classes (|> library atom.read! io.run!)] - (case (dictionary.value class_name classes) + (when (dictionary.value class_name classes) {.#Some bytecode} - (case (..define class_name bytecode (<| self)) + (when (..define class_name bytecode (<| self)) {try.#Success class} (as_expected class) diff --git a/stdlib/source/library/lux/meta/target/jvm/method.lux b/stdlib/source/library/lux/meta/target/jvm/method.lux index 3db1be9bc..ec4780b0f 100644 --- a/stdlib/source/library/lux/meta/target/jvm/method.lux +++ b/stdlib/source/library/lux/meta/target/jvm/method.lux @@ -63,10 +63,10 @@ attributes) (monad.all !) (at ! each sequence.of_list)) - attributes (case code + attributes (when code {.#Some code} (do ! - [environment (case (if (//modifier.has? static modifier) + [environment (when (if (//modifier.has? static modifier) (//environment.static type) (//environment.virtual type)) {try.#Success environment} diff --git a/stdlib/source/library/lux/meta/target/jvm/reflection.lux b/stdlib/source/library/lux/meta/target/jvm/reflection.lux index 0ee71e599..a33bc6507 100644 --- a/stdlib/source/library/lux/meta/target/jvm/reflection.lux +++ b/stdlib/source/library/lux/meta/target/jvm/reflection.lux @@ -112,7 +112,7 @@ (def .public (load class_loader name) (-> java/lang/ClassLoader External (Try (java/lang/Class java/lang/Object))) - (case (java/lang/Class::forName name false class_loader) + (when (java/lang/Class::forName name false class_loader) {try.#Failure _} (exception.except ..unknown_class [name]) @@ -130,7 +130,7 @@ (-> (-> java/lang/reflect/Type (Try (/.Type Parameter))) java/lang/reflect/Type (Try (/.Type Class))) - (<| (case (ffi.as java/lang/Class reflection) + (<| (when (ffi.as java/lang/Class reflection) {.#Some class} (let [class_name (|> class (as (java/lang/Class java/lang/Object)) @@ -151,10 +151,10 @@ (exception.except ..not_a_class [reflection]) {try.#Success (/.class class_name (list))}))) _) - (case (ffi.as java/lang/reflect/ParameterizedType reflection) + (when (ffi.as java/lang/reflect/ParameterizedType reflection) {.#Some reflection} (let [raw (java/lang/reflect/ParameterizedType::getRawType reflection)] - (case (ffi.as java/lang/Class raw) + (when (ffi.as java/lang/Class raw) {.#Some raw'} (let [! try.monad] (|> reflection @@ -175,19 +175,19 @@ (def .public (parameter type reflection) (-> (-> java/lang/reflect/Type (Try (/.Type Value))) (-> java/lang/reflect/Type (Try (/.Type Parameter)))) - (<| (case (ffi.as java/lang/reflect/TypeVariable reflection) + (<| (when (ffi.as java/lang/reflect/TypeVariable reflection) {.#Some reflection} {try.#Success (/.var (java/lang/reflect/TypeVariable::getName reflection))} _) - (case (ffi.as java/lang/reflect/WildcardType reflection) + (when (ffi.as java/lang/reflect/WildcardType reflection) {.#Some reflection} ... TODO: Instead of having single lower/upper bounds, should ... allow for multiple ones. - (case [(array.item 0 (java/lang/reflect/WildcardType::getLowerBounds reflection)) + (when [(array.item 0 (java/lang/reflect/WildcardType::getLowerBounds reflection)) (array.item 0 (java/lang/reflect/WildcardType::getUpperBounds reflection))] (^.with_template [ ] [ - (case (ffi.as java/lang/reflect/GenericArrayType bound) + (when (ffi.as java/lang/reflect/GenericArrayType bound) {.#Some it} ... TODO: Array bounds should not be "erased" as they ... are right now. @@ -201,14 +201,14 @@ _ {try.#Success /.wildcard}) _) - (case (ffi.as java/lang/reflect/GenericArrayType reflection) + (when (ffi.as java/lang/reflect/GenericArrayType reflection) {.#Some reflection} (|> reflection java/lang/reflect/GenericArrayType::getGenericComponentType type (at try.monad each /.array)) _) - (case (ffi.as java/lang/Class reflection) + (when (ffi.as java/lang/Class reflection) {.#Some class} (if (java/lang/Class::isArray class) (|> class @@ -221,7 +221,7 @@ (def .public (type reflection) (-> java/lang/reflect/Type (Try (/.Type Value))) - (<| (case (ffi.as java/lang/Class reflection) + (<| (when (ffi.as java/lang/Class reflection) {.#Some reflection} (let [class_name (|> reflection (as (java/lang/Class java/lang/Object)) @@ -254,7 +254,7 @@ (def .public (return reflection) (-> java/lang/reflect/Type (Try (/.Type Return))) (with_expansions [ (these (..type reflection))] - (case (ffi.as java/lang/Class reflection) + (when (ffi.as java/lang/Class reflection) {.#Some class} (let [class_name (|> reflection (as (java/lang/Class java/lang/Object)) @@ -289,8 +289,8 @@ (def .public (correspond class type) (-> (java/lang/Class java/lang/Object) Type (Try Mapping)) - (case type - {.#Primitive array.type_name (list :member:)} + (when type + {.#Primitive array.primitive (list :member:)} (if (java/lang/Class::isArray class) (correspond (java/lang/Class::getComponentType class) :member:) @@ -317,7 +317,7 @@ (correspond class anonymousT) {.#Apply inputT abstractionT} - (case (type.applied (list inputT) abstractionT) + (when (type.applied (list inputT) abstractionT) {.#Some outputT} (correspond class outputT) @@ -349,7 +349,7 @@ (def .public (field field target) (-> Text (java/lang/Class java/lang/Object) (Try java/lang/reflect/Field)) - (case (java/lang/Class::getDeclaredField field target) + (when (java/lang/Class::getDeclaredField field target) {try.#Success field} (let [owner (java/lang/reflect/Field::getDeclaringClass field)] (if (same? owner target) @@ -372,7 +372,7 @@ (do [! try.monad] [fieldJ (..field field class) .let [modifiers (java/lang/reflect/Field::getModifiers fieldJ)]] - (case (java/lang/reflect/Modifier::isStatic modifiers) + (when (java/lang/reflect/Modifier::isStatic modifiers) (|> fieldJ java/lang/reflect/Field::getGenericType ..type diff --git a/stdlib/source/library/lux/meta/target/jvm/type/lux.lux b/stdlib/source/library/lux/meta/target/jvm/type/lux.lux index 3af93e1b5..4f6d9076f 100644 --- a/stdlib/source/library/lux/meta/target/jvm/type/lux.lux +++ b/stdlib/source/library/lux/meta/target/jvm/type/lux.lux @@ -121,7 +121,7 @@ (-> Mapping (Parser (Check Type))) (do <>.monad [var //parser.var'] - (in (case (dictionary.value var mapping) + (in (when (dictionary.value var mapping) {.#None} (check.except ..unknown_var [var]) @@ -174,7 +174,7 @@ (def array (-> (Parser (Check Type)) (Parser (Check Type))) (|>> (<>#each (check#each (function (_ elementT) - (case elementT + (when elementT {.#Primitive name {.#End}} (if (`` (or (,, (with_template [] [(text#= (//reflection.reflection ) name)] @@ -230,7 +230,7 @@ (def .public (check operation input) (All (_ a) (-> (Parser (Check a)) Text (Check a))) - (case (.result operation input) + (when (.result operation input) {try.#Success check} check diff --git a/stdlib/source/library/lux/meta/target/jvm/type/signature.lux b/stdlib/source/library/lux/meta/target/jvm/type/signature.lux index 6afc33607..96a912cde 100644 --- a/stdlib/source/library/lux/meta/target/jvm/type/signature.lux +++ b/stdlib/source/library/lux/meta/target/jvm/type/signature.lux @@ -95,7 +95,7 @@ (abstraction (format //descriptor.class_prefix (|> name ///name.internal ///name.read) - (case parameters + (when parameters {.#End} "" @@ -130,7 +130,7 @@ (def var_declaration/* (-> (List (Signature Var)) Text) - (|>> (pipe.case + (|>> (pipe.when {.#End} "" diff --git a/stdlib/source/library/lux/meta/target/lua.lux b/stdlib/source/library/lux/meta/target/lua.lux index 1ea2f196c..8168b065b 100644 --- a/stdlib/source/library/lux/meta/target/lua.lux +++ b/stdlib/source/library/lux/meta/target/lua.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Location Code Label int if function or and not let local comment the) + [lux (.except Location Code Label int if function or and not let local comment the when) [abstract [equivalence (.only Equivalence)] [hash (.only Hash)] @@ -91,7 +91,7 @@ (def .public boolean (-> Bit Literal) - (|>> (pipe.case + (|>> (pipe.when #0 "false" #1 "true") abstraction)) @@ -375,7 +375,7 @@ (def arity_inputs (syntax (_ [arity .nat]) - (in (case arity + (in (.when arity 0 (.list) _ (|> (-- arity) (enum.range n.enum 0) diff --git a/stdlib/source/library/lux/meta/target/php.lux b/stdlib/source/library/lux/meta/target/php.lux index cb7870fd2..748d852c2 100644 --- a/stdlib/source/library/lux/meta/target/php.lux +++ b/stdlib/source/library/lux/meta/target/php.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Location Code Global Label static int if cond or and not comment for try global the parameter) + [lux (.except Location Code Global Label static int if cond or and not comment for try global the parameter when) [abstract [equivalence (.only Equivalence)] [hash (.only Hash)] @@ -134,7 +134,7 @@ (def .public bool (-> Bit Literal) - (|>> (pipe.case + (|>> (pipe.when #0 "false" #1 "true") abstraction)) @@ -220,7 +220,7 @@ (def .public (closure uses arguments body!) (-> (List Argument) (List Argument) Statement Literal) - (let [uses (case uses + (let [uses (.when uses {.#End} "" @@ -234,7 +234,7 @@ (def arity_inputs (syntax (_ [arity .nat]) - (in (case arity + (in (.when arity 0 (.list) _ (|> (-- arity) (enum.range n.enum 0) diff --git a/stdlib/source/library/lux/meta/target/python.lux b/stdlib/source/library/lux/meta/target/python.lux index b3c874f26..93014c3e4 100644 --- a/stdlib/source/library/lux/meta/target/python.lux +++ b/stdlib/source/library/lux/meta/target/python.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Location Code not or and list if int comment exec try the is def) + [lux (.except Location Code not or and list if int comment exec try the is def when) ["[0]" ffi] [abstract [equivalence (.only Equivalence)] @@ -132,7 +132,7 @@ (.def .public bool (-> Bit Literal) - (|>> (pipe.case + (|>> (pipe.when #0 "False" #1 "True") abstraction)) @@ -370,7 +370,7 @@ (abstraction (format "while " (representation test) ":" (..nested (representation body!)) - (case else! + (.when else! {.#Some else!} (format \n+ "else:" (..nested (representation else!))) @@ -423,7 +423,7 @@ (.def .public (exec globals code) (-> (Maybe (Expression Any)) (Expression Any) (Statement Any)) - (let [extra (case globals + (let [extra (.when globals {.#Some globals} (.list globals) @@ -453,7 +453,7 @@ (.def arity_inputs (syntax (_ [arity .nat]) - (in (case arity + (in (.when arity 0 (.list) _ (|> (-- arity) (enum.range n.enum 0) diff --git a/stdlib/source/library/lux/meta/target/r.lux b/stdlib/source/library/lux/meta/target/r.lux index f425f584b..7da2c28bd 100644 --- a/stdlib/source/library/lux/meta/target/r.lux +++ b/stdlib/source/library/lux/meta/target/r.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Code or and list if function cond not int) + [lux (.except Code or and list if function cond not int when) [control ["[0]" pipe] ["[0]" function] @@ -113,7 +113,7 @@ (def .public bool (-> Bit Expression) - (|>> (pipe.case + (|>> (pipe.when #0 "FALSE" #1 "TRUE") abstraction)) @@ -211,7 +211,7 @@ (def arity_inputs (syntax (_ [arity .nat]) - (in (case arity + (in (.when arity 0 (.list) _ (|> arity list.indices diff --git a/stdlib/source/library/lux/meta/target/ruby.lux b/stdlib/source/library/lux/meta/target/ruby.lux index 179d0182c..628c02eb3 100644 --- a/stdlib/source/library/lux/meta/target/ruby.lux +++ b/stdlib/source/library/lux/meta/target/ruby.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Location Code static int if function or and not comment local global symbol the) + [lux (.except Location Code static int if function or and not comment local global symbol the when) [abstract [equivalence (.only Equivalence)] [hash (.only Hash)] @@ -153,7 +153,7 @@ (def .public bool (-> Bit Literal) - (|>> (pipe.case + (|>> (pipe.when #0 "false" #1 "true") abstraction)) @@ -247,7 +247,7 @@ (list#each (|>> representation)) (text.interposed ..input_separator) (text.enclosed ["(" ")"])) - block (case block + block (.when block {.#None} "" @@ -395,7 +395,7 @@ (def .public (lambda name block) (-> (Maybe LVar) Block Literal) (let [proc (format "lambda " (..block block))] - (|> (case name + (|> (.when name {.#None} proc @@ -483,7 +483,7 @@ (def arity_inputs (syntax (_ [arity .nat]) - (in (case arity + (in (.when arity 0 (.list) _ (|> (-- arity) (enum.range n.enum 0) diff --git a/stdlib/source/library/lux/meta/target/scheme.lux b/stdlib/source/library/lux/meta/target/scheme.lux index 86b9c5921..51a712a6f 100644 --- a/stdlib/source/library/lux/meta/target/scheme.lux +++ b/stdlib/source/library/lux/meta/target/scheme.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except Code int or and if cond let symbol) + [lux (.except Code int or and if cond let symbol when) [abstract [equivalence (.only Equivalence)] [hash (.only Hash)]] @@ -81,9 +81,9 @@ (def (arguments [mandatory rest]) (-> Arguments (Code Any)) - (case rest + (.when rest {.#Some rest} - (case mandatory + (.when mandatory {.#End} rest @@ -108,7 +108,7 @@ (def .public bool (-> Bit Computation) - (|>> (pipe.case + (|>> (pipe.when #0 "#f" #1 "#t") abstraction)) @@ -163,7 +163,7 @@ (def form (-> (List (Code Any)) Code) (.let [nested_new_line (format \n+ text.tab)] - (|>> (pipe.case + (|>> (pipe.when {.#End} (abstraction "()") @@ -375,7 +375,7 @@ (def .public (guard variable clauses else body) (-> Var (List [Expression Expression]) (Maybe Expression) Expression Computation) (..form (list (..var "guard") - (..form (|> (case else + (..form (|> (.when else {.#None} (list) diff --git a/stdlib/source/library/lux/meta/type.lux b/stdlib/source/library/lux/meta/type.lux index 70181ea04..a2bec39bf 100644 --- a/stdlib/source/library/lux/meta/type.lux +++ b/stdlib/source/library/lux/meta/type.lux @@ -32,7 +32,7 @@ (-> Type [Nat Type]) (loop (again [num_args 0 type type]) - (case type + (when type { env sub_type} (again (++ num_args) sub_type) @@ -45,7 +45,7 @@ (def .public (flat_function type) (-> Type [(List Type) Type]) - (case type + (when type {.#Function in out'} (.let [[ins out] (flat_function out')] [(list.partial in ins) out]) @@ -55,7 +55,7 @@ (def .public (flat_application type) (-> Type [Type (List Type)]) - (case type + (when type {.#Apply arg func'} (.let [[func args] (flat_application func')] [func (list#composite args (list arg))]) @@ -66,7 +66,7 @@ (with_template [ ] [(def .public ( type) (-> Type (List Type)) - (case type + (when type { left right} (list.partial left ( right)) @@ -79,7 +79,7 @@ (`` (def .public (format type) (-> Type Text) - (case type + (when type {.#Primitive name params} (all text#composite "(Primitive " @@ -139,7 +139,7 @@ ... https://en.wikipedia.org/wiki/Lambda_calculus#%CE%B2-reduction (`` (def (reduced env type) (-> (List Type) Type Type) - (case type + (when type {.#Primitive name params} {.#Primitive name (list#each (reduced env) params)} @@ -152,7 +152,7 @@ (,, (with_template [] [{ old_env def} - (case old_env + (when old_env {.#End} { env def} @@ -187,7 +187,7 @@ ... TODO: Remove this once JPHP is gone. false (same? x y)) - (case [x y] + (when [x y] [{.#Primitive xname xparams} {.#Primitive yname yparams}] (and (text#= xname yname) (n.= (list.size yparams) (list.size xparams)) @@ -237,12 +237,12 @@ (`` (def .public (applied params func) (-> (List Type) Type (Maybe Type)) - (case params + (when params {.#End} {.#Some func} {.#Item param params'} - (case func + (when func (,, (with_template [] [{ env body} (|> body @@ -263,7 +263,7 @@ (`` (def .public (code type) (-> Type Code) - (case type + (when type {.#Primitive name params} (` {.#Primitive (, (code.text name)) (.list (,* (list#each code params)))}) @@ -300,7 +300,7 @@ (def .public (de_aliased type) (-> Type Type) - (case type + (when type {.#Named _ {.#Named name type'}} (de_aliased {.#Named name type'}) @@ -309,7 +309,7 @@ (def .public (anonymous type) (-> Type Type) - (case type + (when type {.#Named name type'} (anonymous type') @@ -319,7 +319,7 @@ (with_template [ ] [(def .public ( types) (-> (List Type) Type) - (case types + (when types {.#End} @@ -335,7 +335,7 @@ (def .public (function inputs output) (-> (List Type) Type Type) - (case inputs + (when inputs {.#End} output @@ -344,7 +344,7 @@ (def .public (application params quant) (-> (List Type) Type Type) - (case params + (when params {.#End} quant @@ -354,7 +354,7 @@ (with_template [ ] [(def .public ( size body) (-> Nat Type Type) - (case size + (when size 0 body _ (|> body ( (-- size)) { (list)})))] @@ -364,7 +364,7 @@ (`` (def .public (quantified? type) (-> Type Bit) - (case type + (when type {.#Named [module name] _type} (quantified? _type) @@ -385,7 +385,7 @@ (def .public (array depth element_type) (-> Nat Type Type) - (case depth + (when depth 0 element_type _ (|> element_type (array (-- depth)) @@ -395,7 +395,7 @@ (def .public (flat_array type) (-> Type [Nat Type]) (with_expansions [ [0 type]] - (case type + (when type {.#Primitive name (list element_type)} (if (text#= array.primitive name) (.let [[depth element_type] (flat_array element_type)] @@ -423,7 +423,7 @@ (syntax (_ [input (<>.or (<>.and .symbol (<>.maybe (<>.after (.this_symbol ..secret_marker) .any))) .any)]) - (case input + (when input {.#Left [valueN valueC]} (do meta.monad [location meta.location @@ -431,7 +431,7 @@ .let [_ ("lux io log" (all text#composite (symbol#encoded (symbol ..log!)) " " (location.format location) text.new_line - "Expression: " (case valueC + "Expression: " (when valueC {.#Some valueC} (code.format valueC) @@ -459,7 +459,7 @@ (.let [casterC (` (is (All ((, g!_) (,* (list#each code.local type_vars))) (-> (, input) (, output))) (|>> as_expected)))] - (case value + (when value {.#None} (in (list casterC)) @@ -511,7 +511,7 @@ (.function (again it) (if (at ..equivalence = before it) after - (case it + (when it {.#Primitive name co_variant} {.#Primitive name (list#each again co_variant)} diff --git a/stdlib/source/library/lux/meta/type/check.lux b/stdlib/source/library/lux/meta/type/check.lux index 90fb49156..184864469 100644 --- a/stdlib/source/library/lux/meta/type/check.lux +++ b/stdlib/source/library/lux/meta/type/check.lux @@ -80,7 +80,7 @@ (implementation (def (each f fa) (function (_ context) - (case (fa context) + (when (fa context) {try.#Success [context' output]} {try.#Success [context' (f output)]} @@ -94,9 +94,9 @@ (def (on fa ff) (function (_ context) - (case (ff context) + (when (ff context) {try.#Success [context' f]} - (case (fa context') + (when (fa context') {try.#Success [context'' a]} {try.#Success [context'' (f a)]} @@ -119,9 +119,9 @@ (def (conjoint ffa) (function (_ context) - (case (ffa context) + (when (ffa context) {try.#Success [context' fa]} - (case (fa context') + (when (fa context') {try.#Success [context'' a]} {try.#Success [context'' a]} @@ -141,7 +141,7 @@ (def (var::get id property_list) (-> Var Type_Vars (Maybe (Maybe Type))) - (case property_list + (when property_list {.#Item [var_id var_type] property_list'} (if (!n#= id var_id) @@ -153,7 +153,7 @@ (def (var::put id value property_list) (-> Var (Maybe Type) Type_Vars Type_Vars) - (case property_list + (when property_list {.#End} (list [id value]) @@ -167,7 +167,7 @@ (def .public (result context proc) (All (_ a) (-> Type_Context (Check a) (Try a))) - (case (proc context) + (when (proc context) {try.#Success [context' output]} {try.#Success output} @@ -201,7 +201,7 @@ [(def .public ( id) (-> Var (Check )) (function (_ context) - (case (|> context (the .#var_bindings) (var::get id)) + (when (|> context (the .#var_bindings) (var::get id)) (^.or {.#Some {.#Some {.#Var _}}} {.#Some {.#None}}) {try.#Success [context ]} @@ -220,7 +220,7 @@ (-> Var (Check Type)) (do ..monad [?type (peek id)] - (case ?type + (when ?type {.#Some type} (in type) @@ -230,7 +230,7 @@ (def (bound id) (-> Var (Check Type)) (function (_ context) - (case (|> context (the .#var_bindings) (var::get id)) + (when (|> context (the .#var_bindings) (var::get id)) {.#Some {.#Some bound}} {try.#Success [context bound]} @@ -243,7 +243,7 @@ (def .public (bind type id) (-> Type Var (Check Any)) (function (_ context) - (case (|> context (the .#var_bindings) (var::get id)) + (when (|> context (the .#var_bindings) (var::get id)) {.#Some {.#None}} {try.#Success [(revised .#var_bindings (var::put id {.#Some type}) context) []]} @@ -257,7 +257,7 @@ (def (re_bind' ?type id) (-> (Maybe Type) Var (Check Any)) (function (_ context) - (case (|> context (the .#var_bindings) (var::get id)) + (when (|> context (the .#var_bindings) (var::get id)) {.#Some _} {try.#Success [(revised .#var_bindings (var::put id ?type) context) []]} @@ -280,11 +280,11 @@ (def (on argT funcT) (-> Type Type (Check Type)) - (case funcT + (when funcT {.#Var func_id} (do ..monad [?funcT' (peek func_id)] - (case ?funcT' + (when ?funcT' {.#Some funcT'} (on argT funcT') @@ -297,7 +297,7 @@ (on argT funcT'')) _ - (case (//.applied (list argT) funcT) + (when (//.applied (list argT) funcT) {.#Some output} (check#in output) @@ -309,9 +309,9 @@ (function (_ context) (loop (again [current start output (list start)]) - (case (|> context (the .#var_bindings) (var::get current)) + (when (|> context (the .#var_bindings) (var::get current)) {.#Some {.#Some type}} - (case type + (when type {.#Var next} (if (!n#= start next) {try.#Success [context output]} @@ -346,7 +346,7 @@ (-> (List Var) Var (Check Type)) (do [! ..monad] [:bound: (..peek @)] - (case :bound: + (when :bound: {.#Some :bound:} (in :bound:) @@ -358,7 +358,7 @@ (do ! [.let [forbidden_aliases (set.of_list n.hash (list.partial @ aliases)) allowed_aliases (set.difference forbidden_aliases existing_aliases)]] - (case (set.list allowed_aliases) + (when (set.list allowed_aliases) {.#Item identity _} (in {.#Var identity}) @@ -387,7 +387,7 @@ (-> Var (Check Any)) (do [! ..monad] [ring (..ring' @)] - (case ring + (when ring (list) (in []) @@ -400,7 +400,7 @@ (erase! @me)) (list.partial @prev _) - (case (list.reversed ring) + (when (list.reversed ring) (list.partial @me @next _) (do ! [_ (re_bind {.#Var @next} @prev) @@ -413,7 +413,7 @@ (def .public (try it) (All (_ a) (-> (Check a) (Check (Try a)))) (function (_ context) - (case (it context) + (when (it context) {try.#Success [context' output]} {try.#Success [context' {try.#Success output}]} @@ -429,7 +429,7 @@ (def (either left right) (All (_ a) (-> (Check a) (Check a) (Check a))) (function (_ context) - (case (left context) + (when (left context) {try.#Failure _} (right context) @@ -483,7 +483,7 @@ (do [! ..monad] [ebound (..try (..bound idE)) abound (..try (..bound idA))] - (case [ebound abound] + (when [ebound abound] ... Link the 2 variables circularly [{try.#Failure _} {try.#Failure _}] (do ! @@ -492,7 +492,7 @@ ... Interpose new variable between 2 existing links [{try.#Success etype} {try.#Failure _}] - (case etype + (when etype {.#Var targetE} (do ! [_ (link/3 idA targetE idE)] @@ -503,7 +503,7 @@ ... Interpose new variable between 2 existing links [{try.#Failure _} {try.#Success atype}] - (case atype + (when atype {.#Var targetA} (do ! [_ (link/3 idE targetA idA)] @@ -513,7 +513,7 @@ (check' assumptions {.#Var idE} atype)) [{try.#Success etype} {try.#Success atype}] - (case [etype atype] + (when [etype atype] [{.#Var targetE} {.#Var targetA}] (do ! [ringE (..ring idE) @@ -551,7 +551,7 @@ (-> (Checker Type) (Checker [Type Type])) (let [[expected_input expected_function] expected [actual_input actual_function] actual] - (case [expected_function actual_function] + (when [expected_function actual_function] [{.#Ex exE} {.#Ex exA}] (if (!n#= exE exA) (check' assumptions expected_input actual_input) @@ -584,7 +584,7 @@ [{.#Var id} _] (function (_ context) - (case ((do ..monad + (when ((do ..monad [expected_function' (..read id)] (check' assumptions {.#Apply expected_input expected_function'} {.#Apply actual})) context) @@ -592,7 +592,7 @@ {try.#Success output} {try.#Failure _} - (case actual_function + (when actual_function {.#UnivQ _ _} ((do ..monad [actual' (..on actual_input actual_function)] @@ -615,7 +615,7 @@ [_ {.#Var id}] (function (_ context) - (case ((do ..monad + (when ((do ..monad [actual_function' (read id)] (check' assumptions {.#Apply expected} {.#Apply actual_input actual_function'})) context) @@ -648,7 +648,7 @@ (same? expected actual)) (check#in assumptions) (with_exception ..type_check_failed [expected actual] - (case [expected actual] + (when [expected actual] [{.#Var idE} {.#Var idA}] (check_vars check' assumptions idE idA) @@ -710,7 +710,7 @@ (loop (again [assumptions assumptions e_params e_params a_params a_params]) - (case [e_params a_params] + (when [e_params a_params] [{.#End} {.#End}] (check#in assumptions) @@ -756,7 +756,7 @@ (def .public (subsumes? expected actual) (-> Type Type Bit) - (case (..result ..fresh_context + (when (..result ..fresh_context (..check expected actual)) {try.#Failure _} false @@ -776,7 +776,7 @@ (def .public (clean aliases inputT) (-> (List Var) Type (Check Type)) - (case inputT + (when inputT {.#Primitive name paramsT+} (|> paramsT+ (monad.each ..monad (clean aliases)) @@ -794,11 +794,11 @@ ([.#Sum] [.#Product] [.#Function] [.#Apply]) {.#Var @it} - (case aliases + (when aliases (list) (do ..monad [?actualT (..peek @it)] - (case ?actualT + (when ?actualT {.#Some actualT} (clean aliases actualT) @@ -808,9 +808,9 @@ _ (do ..monad [:it: (..try (..identity aliases @it))] - (case :it: + (when :it: {try.#Success :it:} - (case :it: + (when :it: {.#Var _} (in inputT) diff --git a/stdlib/source/library/lux/meta/type/implicit.lux b/stdlib/source/library/lux/meta/type/implicit.lux index 835fff931..df5da5767 100644 --- a/stdlib/source/library/lux/meta/type/implicit.lux +++ b/stdlib/source/library/lux/meta/type/implicit.lux @@ -29,10 +29,10 @@ (def (type_var id env) (-> Nat Type_Context (Meta Type)) - (case (list.example (|>> product.left (n.= id)) + (when (list.example (|>> product.left (n.= id)) (the .#var_bindings env)) {.#Some [_ {.#Some type}]} - (case type + (when type {.#Var id'} (type_var id' env) @@ -51,7 +51,7 @@ (do ///.monad [raw_type (///.type var_name) compiler ///.compiler_state] - (case raw_type + (when raw_type {.#Var id} (type_var id (the .#type_context compiler)) @@ -60,12 +60,12 @@ (def (member_type idx sig_type) (-> Nat Type (Check Type)) - (case sig_type + (when sig_type {.#Named _ sig_type'} (member_type idx sig_type') {.#Apply arg func} - (case (//.applied (list arg) func) + (when (//.applied (list arg) func) {.#None} (check.failure (format "Cannot apply type " (%.type func) " to type " (%.type arg))) @@ -84,7 +84,7 @@ (def (member_name member) (-> Symbol (Meta Symbol)) - (case member + (when member ["" simple_name] (///.either (do ///.monad [member (///.normal member) @@ -97,7 +97,7 @@ .let [tag_lists (|> tag_lists list#conjoint (list#each product.left) list#conjoint) candidates (list.only (|>> product.right (text#= simple_name)) tag_lists)]] - (case candidates + (when candidates {.#End} (///.failure (format "Unknown tag: " (%.symbol member))) @@ -181,7 +181,7 @@ (def (on_argument arg func) (-> Type Type (Check Type)) - (case func + (when func {.#Named _ func'} (on_argument arg func') @@ -203,7 +203,7 @@ (def (concrete_type type) (-> Type (Check [(List Nat) Type])) - (case type + (when type {.#UnivQ _} (do check.monad [[id var] check.var @@ -232,9 +232,9 @@ (Meta (List Instance))) (do ///.monad [compiler ///.compiler_state] - (case (|> alts + (when (|> alts (list#each (function (_ [alt_name alt_type]) - (case (check.result context + (when (check.result context (do [! check.monad] [[tvars alt_type] (concrete_type alt_type) .let [[deps alt_type] (//.flat_function alt_type)] @@ -256,7 +256,7 @@ (def (provision sig_type compiler context dep) (-> Type Lux Type_Context Type (Check Instance)) - (case (///.result compiler + (when (///.result compiler (all ///.either (do ///.monad [alts (..local_env sig_type)] (..candidate_provision (provision sig_type) context dep alts)) (do ///.monad [alts (..local_structs sig_type)] (..candidate_provision (provision sig_type) context dep alts)) @@ -265,7 +265,7 @@ (check.failure error) {.#Right candidates} - (case candidates + (when candidates {.#End} (check.failure (format "No candidates for provisioning: " (%.type dep))) @@ -281,9 +281,9 @@ (do ///.monad [compiler ///.compiler_state context ///.type_context] - (case (|> alts + (when (|> alts (list#each (function (_ [alt_name alt_type]) - (case (<| (check.result context) + (when (<| (check.result context) (do [! check.monad] [[tvars alt_type] (concrete_type alt_type) .let [[deps alt_type] (//.flat_function alt_type)] @@ -315,7 +315,7 @@ (def (var? input) (-> Code Bit) - (case input + (when input [_ {.#Symbol _}] #1 @@ -328,7 +328,7 @@ (def (instance$ [constructor dependencies]) (-> Instance Code) - (case dependencies + (when dependencies {.#End} (code.symbol constructor) @@ -339,14 +339,14 @@ (syntax (_ [member .symbol args (<>.or (<>.and (<>.some .symbol) .end) (<>.and (<>.some .any) .end))]) - (case args + (when args {.#Left [args _]} (do [! ///.monad] [[member_idx sig_type] (..implicit_member member) input_types (monad.each ! ..implicit_type args) output_type ///.expected_type chosen_ones (alternatives sig_type member_idx input_types output_type)] - (case chosen_ones + (when chosen_ones {.#End} (///.failure (format "No implementation could be found for member: " (%.symbol member))) diff --git a/stdlib/source/library/lux/meta/type/poly.lux b/stdlib/source/library/lux/meta/type/poly.lux index a9a533d94..cccc9e518 100644 --- a/stdlib/source/library/lux/meta/type/poly.lux +++ b/stdlib/source/library/lux/meta/type/poly.lux @@ -33,7 +33,7 @@ (in (.list (` (syntax ((, g!_) [(, g!type) .any]) (do ///.monad [(, g!type) (///.eval .Type (, g!type))] - (case (is (.Either .Text .Code) + (when (is (.Either .Text .Code) (.result (<>.rec (function ((, g!_) (, g!name)) (, body))) @@ -46,7 +46,7 @@ (def .public (code env type) (-> Env Type Code) - (case type + (when type {.#Primitive name params} (` {.#Primitive (, (code.text name)) (.list (,* (list#each (code env) params)))}) @@ -64,7 +64,7 @@ {.#Apply {.#Primitive "" {.#End}} {.#Parameter idx}} - (case (.argument env idx) + (when (.argument env idx) 0 (|> env (dictionary.value 0) maybe.trusted product.left (code env)) idx (undefined)) diff --git a/stdlib/source/library/lux/meta/type/primitive.lux b/stdlib/source/library/lux/meta/type/primitive.lux index ea277d239..8c6b0a98e 100644 --- a/stdlib/source/library/lux/meta/type/primitive.lux +++ b/stdlib/source/library/lux/meta/type/primitive.lux @@ -46,7 +46,7 @@ [(def .public (syntax (_ [[frame value] ..cast]) (do meta.monad - [[name type_vars abstraction representation] (case frame + [[name type_vars abstraction representation] (when frame {.#Some frame} (..specific frame) diff --git a/stdlib/source/library/lux/meta/type/quotient.lux b/stdlib/source/library/lux/meta/type/quotient.lux index 0687af5ce..04058c1e1 100644 --- a/stdlib/source/library/lux/meta/type/quotient.lux +++ b/stdlib/source/library/lux/meta/type/quotient.lux @@ -51,7 +51,7 @@ ... (..Class (, g!t) (, g!c) (, g!%))) ... (, class)) ] - (.case (.type_of (, class)) + (.when (.type_of (, class)) {.#Apply (, g!%) {.#Apply (, g!c) {.#Apply (, g!t) (, g!:quotient:)}}} (.type_literal (..Quotient (, g!t) (, g!c) (, g!%))) diff --git a/stdlib/source/library/lux/meta/type/refinement.lux b/stdlib/source/library/lux/meta/type/refinement.lux index 5b7e939a5..fb7553897 100644 --- a/stdlib/source/library/lux/meta/type/refinement.lux +++ b/stdlib/source/library/lux/meta/type/refinement.lux @@ -55,12 +55,12 @@ (def .public (only refiner values) (All (_ t %) (-> (Refiner t %) (List t) (List (Refined t %)))) - (case values + (when values {.#End} {.#End} {.#Item head tail} - (case (refiner head) + (when (refiner head) {.#Some refined} {.#Item refined (only refiner tail)} @@ -70,13 +70,13 @@ (def .public (partition refiner values) (All (_ t %) (-> (Refiner t %) (List t) [(List (Refined t %)) (List t)])) - (case values + (when values {.#End} [{.#End} {.#End}] {.#Item head tail} (let [[yes no] (partition refiner tail)] - (case (refiner head) + (when (refiner head) {.#Some refined} [{.#Item refined yes} no] @@ -93,7 +93,7 @@ ... (..Refined (, g!t) (, g!%))) ... (, refiner)) ] - (.case (.type_of (, refiner)) + (.when (.type_of (, refiner)) {.#Apply (, g!%) {.#Apply (, g!t) (, g!:refiner:)}} (.type_literal (..Refined (, g!t) (, g!%))) diff --git a/stdlib/source/library/lux/meta/type/resource.lux b/stdlib/source/library/lux/meta/type/resource.lux index 3e652b8b9..7b1a83195 100644 --- a/stdlib/source/library/lux/meta/type/resource.lux +++ b/stdlib/source/library/lux/meta/type/resource.lux @@ -130,7 +130,7 @@ (def .public exchange (syntax (_ [swaps ..indices]) (macro.with_symbols [g!_ g!context g!!] - (case swaps + (when swaps {.#End} (in (list (` ..no_op))) diff --git a/stdlib/source/library/lux/meta/version.lux b/stdlib/source/library/lux/meta/version.lux index a1e00e3d4..af8da3bce 100644 --- a/stdlib/source/library/lux/meta/version.lux +++ b/stdlib/source/library/lux/meta/version.lux @@ -35,7 +35,7 @@ default (<>.maybe .any)]) (do meta.monad [current meta.version] - (case (list#mix (function (_ [when then] choice) + (when (list#mix (function (_ [when then] choice) (if (text#= when current) {.#Some then} choice)) diff --git a/stdlib/source/library/lux/program.lux b/stdlib/source/library/lux/program.lux index 794dcbcc8..9c9e5148a 100644 --- a/stdlib/source/library/lux/program.lux +++ b/stdlib/source/library/lux/program.lux @@ -43,14 +43,14 @@ (, g!_) thread.run!] ((,' in) (, g!output)))))] (in (list (` (is Program - (, (case args + (, (when args {#Raw args} (` (.function ((, g!program) (, (code.symbol ["" args]))) (, initialization+event_loop))) {#Parsed args} (` (.function ((, g!program) (, g!args)) - (case (.result (.is (.Parser (io.IO .Any)) + (when (.result (.is (.Parser (io.IO .Any)) (do <>.monad [(,* args) (, g!_) .end] diff --git a/stdlib/source/library/lux/test/property.lux b/stdlib/source/library/lux/test/property.lux index ff61d64d5..e18d7b36b 100644 --- a/stdlib/source/library/lux/test/property.lux +++ b/stdlib/source/library/lux/test/property.lux @@ -110,7 +110,7 @@ (def .public (times amount test) (-> Nat Test Test) - (case amount + (when amount 0 (..failure (exception.error ..must_try_test_at_least_once [])) _ (do random.monad [seed random.nat] @@ -120,7 +120,7 @@ [[tally documentation] instance] (if (..failed? tally) (in [tally (times_failure seed documentation)]) - (case amount + (when amount 1 instance _ (|> test (times (-- amount)) @@ -143,7 +143,7 @@ unexpected_coverage (set.size unexpected) actual_coverage (n.- unexpected_coverage (set.size (the tally.#actual tally))) - coverage (case expected_coverage + coverage (when expected_coverage 0 "N/A" expected (let [missing_ratio (f./ (n.frac expected) (n.frac (set.size missing))) @@ -197,7 +197,7 @@ (..description duration tally) text.new_line)] _ (with_expansions [ (in {try.#Success (debug.log! report)})] - (.for @.js (case console.default + (.for @.js (when console.default {.#None} @@ -205,7 +205,7 @@ (console.write_line report console)) ))] (async.future (at environment.default exit - (case (the tally.#failures tally) + (when (the tally.#failures tally) 0 ..success_exit_code _ ..failure_exit_code))))) @@ -236,7 +236,7 @@ (def .public (in_parallel tests) (-> (List Test) Test) - (case (list.size tests) + (when (list.size tests) 0 (random#in (async#in [tally.empty ""])) @@ -249,7 +249,7 @@ product.right (function (_ _)) "lux try" - (pipe.case + (pipe.when {try.#Success output} output diff --git a/stdlib/source/library/lux/world/console.lux b/stdlib/source/library/lux/world/console.lux index b1ae1618c..71761bead 100644 --- a/stdlib/source/library/lux/world/console.lux +++ b/stdlib/source/library/lux/world/console.lux @@ -70,7 +70,7 @@ (IO (Try (Console IO))) (do io.monad [?jvm_console (java/lang/System::console)] - (case ?jvm_console + (when ?jvm_console {.#None} (in (exception.except ..cannot_open [])) @@ -122,10 +122,10 @@ (def !read (template (_ ) [(let [it (process::stdin)] - (case (Readable_Stream::read it) + (when (Readable_Stream::read it) {.#Some buffer} (let [input (Buffer::toString buffer)] - (case (is (Maybe [ Text]) + (when (is (Maybe [ Text]) ) {.#Some [head tail]} (exec @@ -189,7 +189,7 @@ [(def ( _) (do [! io.monad] [|state| (atom.read! state)] - (case (at mock |state|) + (when (at mock |state|) {try.#Success [|state| output]} (do ! [_ (atom.write! |state| state)] @@ -205,7 +205,7 @@ (def (write input) (do [! io.monad] [|state| (atom.read! state)] - (case (at mock on_write input |state|) + (when (at mock on_write input |state|) {try.#Success |state|} (do ! [_ (atom.write! |state| state)] @@ -217,7 +217,7 @@ (def (close _) (do [! io.monad] [|state| (atom.read! state)] - (case (at mock on_close |state|) + (when (at mock on_close |state|) {try.#Success |state|} (do ! [_ (atom.write! |state| state)] diff --git a/stdlib/source/library/lux/world/db/jdbc/output.lux b/stdlib/source/library/lux/world/db/jdbc/output.lux index 383f565dc..6e7976a2c 100644 --- a/stdlib/source/library/lux/world/db/jdbc/output.lux +++ b/stdlib/source/library/lux/world/db/jdbc/output.lux @@ -6,7 +6,6 @@ [functor (.only Functor)] [apply (.only Apply)] [monad (.only Monad do)] - ["ex" exception] ["[0]" try (.only Try)] ["[0]" io (.only IO)]] [world @@ -55,7 +54,7 @@ (implementation (def (each f fa) (function (_ idx+rs) - (case (fa idx+rs) + (when (fa idx+rs) {try.#Failure error} {try.#Failure error} @@ -69,9 +68,9 @@ (def (apply ff fa) (function (_ [idx rs]) - (case (ff [idx rs]) + (when (ff [idx rs]) {try.#Success [idx' f]} - (case (fa [idx' rs]) + (when (fa [idx' rs]) {try.#Success [idx'' a]} {try.#Success [idx'' (f a)]} @@ -92,7 +91,7 @@ (def (conjoint mma) (function (_ [idx rs]) - (case (mma [idx rs]) + (when (mma [idx rs]) {try.#Failure error} {try.#Failure error} @@ -116,7 +115,7 @@ [(def .public (Output ) (function (_ [idx result_set]) - (case ( [(.int idx)] result_set) + (when ( [(.int idx)] result_set) {try.#Failure error} {try.#Failure error} @@ -141,7 +140,7 @@ [(def .public (Output Instant) (function (_ [idx result_set]) - (case ( [(.int idx)] result_set) + (when ( [(.int idx)] result_set) {try.#Failure error} {try.#Failure error} @@ -156,14 +155,14 @@ (def .public (rows output results) (All (_ a) (-> (Output a) java/sql/ResultSet (IO (Try (List a))))) - (case (java/sql/ResultSet::next results) + (when (java/sql/ResultSet::next results) {try.#Success has_next?} (if has_next? - (case (output [1 results]) + (when (output [1 results]) {.#Some [_ head]} (do io.monad [?tail (rows output results)] - (case ?tail + (when ?tail {try.#Success tail} (in {try.#Success {.#Item head tail}}) diff --git a/stdlib/source/library/lux/world/db/sql.lux b/stdlib/source/library/lux/world/db/sql.lux index 70312b648..698c862bc 100644 --- a/stdlib/source/library/lux/world/db/sql.lux +++ b/stdlib/source/library/lux/world/db/sql.lux @@ -214,7 +214,7 @@ (abstraction (format " " - (case columns + (when columns {.#End} "*" @@ -292,7 +292,7 @@ (-> (List [Value Order]) (Query where having No_Order group limit offset) (Query where having With_Order group limit offset))) - (case pairs + (when pairs {.#End} (|> query representation abstraction) @@ -310,7 +310,7 @@ (-> (List Value) (Query where having order No_Group limit offset) (Query where having order With_Group limit offset))) - (case pairs + (when pairs {.#End} (|> query representation abstraction) @@ -335,7 +335,7 @@ (def .public (update table pairs) (-> Table (List [Column Value]) (Command No_Where No_Having)) (abstraction (format "UPDATE " (representation table) - (case pairs + (when pairs {.#End} "" diff --git a/stdlib/source/library/lux/world/environment.lux b/stdlib/source/library/lux/world/environment.lux index ba85d53ef..ba941b30e 100644 --- a/stdlib/source/library/lux/world/environment.lux +++ b/stdlib/source/library/lux/world/environment.lux @@ -62,7 +62,7 @@ variables)] (in (|> entries (list.all (function (_ [name value]) - (case value + (when value {try.#Success value} {.#Some [name value]} @@ -97,7 +97,7 @@ (def available_variables (function.constant (io.io (dictionary.keys environment)))) (def (variable name) - (io.io (case (dictionary.value name environment) + (io.io (when (dictionary.value name environment) {.#Some value} {try.#Success value} @@ -156,7 +156,7 @@ (def (exit_node_js! code) (-> Exit (IO Nothing)) - (case (ffi.global ..NodeJs_Process [process]) + (when (ffi.global ..NodeJs_Process [process]) {.#Some process} (NodeJs_Process::exit (i.frac code) process) @@ -173,7 +173,7 @@ (def (exit_browser! code) (-> Exit (IO Nothing)) - (case [(ffi.global ..Browser_Window [window]) + (when [(ffi.global ..Browser_Window [window]) (ffi.global ..Browser_Location [location])] [{.#Some window} {.#Some location}] (exec @@ -227,9 +227,9 @@ (-> Text Text (IO Text)) (do [! io.monad] [outcome (io/popen [command])] - (case outcome + (when outcome {try.#Success outcome} - (case outcome + (when outcome {.#Some file} (do ! [?output (LuaFile::read "*l" file) @@ -296,7 +296,7 @@ (for @.old @.jvm @.js (io.io (if ffi.on_node_js? - (case (ffi.global Object [process env]) + (when (ffi.global Object [process env]) {.#Some process/env} (|> (Object::entries [process/env]) (array.list {.#None}) @@ -332,7 +332,7 @@ (template.let [(!fetch ) [(do io.monad [value (|> name )] - (in (case value + (in (when value {.#Some value} {try.#Success ( value)} @@ -342,7 +342,7 @@ (for @.old @.jvm @.js (io.io (if ffi.on_node_js? - (case (do maybe.monad + (when (do maybe.monad [process/env (ffi.global Object [process env])] (array.item (as Nat name) (as (Array Text) process/env))) @@ -394,7 +394,7 @@ (for @.old @.jvm @.js (if ffi.on_node_js? - (case (ffi.global ..NodeJs_Process [process]) + (when (ffi.global ..NodeJs_Process [process]) {.#Some process} (NodeJs_Process::cwd process) diff --git a/stdlib/source/library/lux/world/file.lux b/stdlib/source/library/lux/world/file.lux index cb8c48307..eb4bb69fa 100644 --- a/stdlib/source/library/lux/world/file.lux +++ b/stdlib/source/library/lux/world/file.lux @@ -85,7 +85,7 @@ (def (un_rooted fs path) (All (_ !) (-> (System !) Path (Maybe [Path Text]))) (let [/ (at fs separator)] - (case (text.last_index / path) + (when (text.last_index / path) {.#None} {.#None} @@ -228,7 +228,7 @@ [(def ( path) (do [! (try.with io.monad)] [?children (java/io/File::listFiles (java/io/File::new (ffi.as_string path)))] - (case ?children + (when ?children {.#Some children} (|> children (array.list {.#None}) @@ -396,7 +396,7 @@ [?stats (with_async write! (Try Stats) (Fs::stat path (..value_callback write!) node_fs))] - (in (case ?stats + (in (when ?stats {try.#Success stats} ( stats) @@ -414,7 +414,7 @@ (|> node_fs Fs::constants FsConstants::F_OK) (..any_callback write!) node_fs))] - (case outcome + (when outcome {try.#Success _} (in (exception.except ..cannot_make_directory [path])) @@ -463,7 +463,7 @@ (def (can_execute? path) (at async.monad each - (|>> (pipe.case + (|>> (pipe.when {try.#Success _} true @@ -704,7 +704,7 @@ (list#each (|>> (format path ..ruby_separator)))) output (is (List ..Path) (list))]) - (case input + (when input {.#End} (in output) @@ -899,7 +899,7 @@ ... (text#= ".." child)))))) ... output (is (List ( IO)) ... (list))]) - ... (case input + ... (when input ... {.#End} ... (in output) @@ -987,14 +987,14 @@ (-> Text Path Mock (Try [Text Mock_File])) (loop (again [directory mock trail (text.all_split_by separator path)]) - (case trail + (when trail {.#Item head tail} - (case (dictionary.value head directory) + (when (dictionary.value head directory) {.#None} (exception.except ..cannot_find_file [path]) {.#Some node} - (case [node tail] + (when [node tail] [{.#Left file} {.#End}] {try.#Success [head file]} @@ -1011,11 +1011,11 @@ (-> Text Path Instant Binary Mock (Try Mock)) (loop (again [directory mock trail (text.all_split_by / path)]) - (case trail + (when trail {.#Item head tail} - (case (dictionary.value head directory) + (when (dictionary.value head directory) {.#None} - (case tail + (when tail {.#End} {try.#Success (dictionary.has head {.#Left [#mock_last_modified now @@ -1027,7 +1027,7 @@ (exception.except ..cannot_find_file [path])) {.#Some node} - (case [node tail] + (when [node tail] [{.#Left file} {.#End}] {try.#Success (dictionary.has head {.#Left (|> file @@ -1050,16 +1050,16 @@ (-> Text Path Mock (Try Mock)) (loop (again [directory mock trail (text.all_split_by / path)]) - (case trail + (when trail {.#Item head tail} - (case (dictionary.value head directory) + (when (dictionary.value head directory) {.#None} (exception.except ..cannot_delete [path]) {.#Some node} - (case tail + (when tail {.#End} - (case node + (when node {.#Left file} {try.#Success (dictionary.lacks head directory)} @@ -1069,7 +1069,7 @@ (exception.except ..cannot_delete [path]))) {.#Item _} - (case node + (when node {.#Left file} (exception.except ..cannot_delete [path]) @@ -1085,7 +1085,7 @@ (All (_ a) (-> (-> a (Try a)) (Var a) (STM (Try Any)))) (do [! stm.monad] [|var| (stm.read var)] - (case (transform |var|) + (when (transform |var|) {try.#Success |var|} (do ! [_ (stm.write |var| var)] @@ -1098,11 +1098,11 @@ (-> Text Path Mock (Try Mock)) (loop (again [directory mock trail (text.all_split_by / path)]) - (case trail + (when trail {.#Item head tail} - (case (dictionary.value head directory) + (when (dictionary.value head directory) {.#None} - (case tail + (when tail {.#End} {try.#Success (dictionary.has head {.#Right ..empty_mock} directory)} @@ -1110,7 +1110,7 @@ (exception.except ..cannot_make_directory [path])) {.#Some node} - (case [node tail] + (when [node tail] [{.#Right sub_directory} {.#Item _}] (do try.monad [sub_directory (again sub_directory tail)] @@ -1126,22 +1126,22 @@ (-> Text Path Mock (Try Mock)) (loop (again [directory mock trail (text.all_split_by / path)]) - (case trail + (when trail {.#End} {try.#Success directory} {.#Item head tail} - (case (dictionary.value head directory) + (when (dictionary.value head directory) {.#None} (exception.except ..cannot_find_directory [path]) {.#Some node} - (case node + (when node {.#Left _} (exception.except ..cannot_find_directory [path]) {.#Right sub_directory} - (case tail + (when tail {.#End} {try.#Success sub_directory} @@ -1172,7 +1172,7 @@ (stm.commit! (do [! stm.monad] [|store| (stm.read store)] - (case (..make_mock_directory! separator path |store|) + (when (..make_mock_directory! separator path |store|) {try.#Success |store|} (do ! [_ (stm.write |store| store)] @@ -1191,7 +1191,7 @@ (in (|> directory dictionary.entries (list.all (function (_ [node_name node]) - (case node + (when node { _} {.#Some (format path separator node_name)} @@ -1275,7 +1275,7 @@ (stm.commit! (do [! stm.monad] [|store| (stm.read store)] - (case (do try.monad + (when (do try.monad [[name file] (..retrieve_mock_file! separator origin |store|) |store| (..delete_mock_node! separator origin |store|)] (..update_mock_file! separator destination (the #mock_last_modified file) (the #mock_content file) |store|)) @@ -1300,14 +1300,14 @@ (All (_ !) (-> (Monad !) (System !) Path (! (Try Any)))) (let [rooted? (text.starts_with? (at fs separator) path) segments (text.all_split_by (at fs separator) path)] - (case (if rooted? + (when (if rooted? (list.after 1 segments) segments) {.#End} (at monad in (exception.except ..cannot_make_directory [path])) {.#Item head tail} - (case head + (when head "" (at monad in (exception.except ..cannot_make_directory [path])) _ (loop (again [current (if rooted? (format (at fs separator) head) @@ -1315,9 +1315,9 @@ next tail]) (do monad [? (..check_or_make_directory monad fs current)] - (case ? + (when ? {try.#Success _} - (case next + (when next {.#End} (in {try.#Success []}) diff --git a/stdlib/source/library/lux/world/file/watch.lux b/stdlib/source/library/lux/world/file/watch.lux index 91cd25c53..c0d79ea50 100644 --- a/stdlib/source/library/lux/world/file/watch.lux +++ b/stdlib/source/library/lux/world/file/watch.lux @@ -114,7 +114,7 @@ (-> Concern //.Path (Var Directory_Tracker) (STM Bit)) (do [! stm.monad] [@tracker (stm.read tracker)] - (case (dictionary.value path @tracker) + (when (dictionary.value path @tracker) {.#Some [old_concern last_modified]} (do ! [_ (stm.update (dictionary.has path [new_concern last_modified]) tracker)] @@ -210,7 +210,7 @@ (stm.commit! (do stm.monad [@tracker (stm.read tracker)] - (in (case (dictionary.value path @tracker) + (in (when (dictionary.value path @tracker) {.#Some [it file_tracker]} {try.#Success it} @@ -220,7 +220,7 @@ (stm.commit! (do [! stm.monad] [@tracker (stm.read tracker)] - (case (dictionary.value path @tracker) + (when (dictionary.value path @tracker) {.#Some [the_concern file_tracker]} (do ! [_ (stm.update (dictionary.lacks path) tracker)] @@ -381,7 +381,7 @@ (list))]) (do (try.with io.monad) [?key (java/nio/file/WatchService::poll watcher)] - (case ?key + (when ?key {.#Some key} (do [! io.monad] [valid? (java/nio/file/WatchKey::reset key)] @@ -427,7 +427,7 @@ (function (_ path) (do [! async.monad] [@tracker (stm.commit! (stm.read tracker))] - (case (dictionary.value path @tracker) + (when (dictionary.value path @tracker) {.#Some [the_concern key]} (do ! [_ (async.future @@ -453,7 +453,7 @@ (def (concern path) (do async.monad [@tracker (stm.commit! (stm.read tracker))] - (case (dictionary.value path @tracker) + (when (dictionary.value path @tracker) {.#Some [it key]} (in {try.#Success it}) diff --git a/stdlib/source/library/lux/world/net/http/client.lux b/stdlib/source/library/lux/world/net/http/client.lux index dc3ea4219..c11a8285d 100644 --- a/stdlib/source/library/lux/world/net/http/client.lux +++ b/stdlib/source/library/lux/world/net/http/client.lux @@ -111,7 +111,7 @@ (def jvm_method (-> //.Method Text) - (|>> (pipe.case + (|>> (pipe.when {//.#Post} "POST" {//.#Get} "GET" {//.#Put} "PUT" @@ -126,7 +126,7 @@ (-> java/io/BufferedInputStream (//.Body IO)) (|>> (maybe#each (|>> [true])) (maybe.else [false ..default_buffer_size]) - (pipe.case + (pipe.when [_ 0] (do (try.with io.monad) [_ (java/lang/AutoCloseable::close input)] @@ -140,7 +140,7 @@ [.let [remaining (i.- so_far (.int buffer_size))] bytes_read (at ! each (|>> ffi.of_int) (java/io/BufferedInputStream::read buffer (ffi.as_int so_far) (ffi.as_int remaining) input))] - (case bytes_read + (when bytes_read -1 (do ! [_ (java/lang/AutoCloseable::close input)] (in [(.nat so_far) buffer])) @@ -154,10 +154,10 @@ [.let [remaining (i.- so_far (.int buffer_size))] bytes_read (at ! each (|>> ffi.of_int) (java/io/BufferedInputStream::read buffer (ffi.as_int so_far) (ffi.as_int remaining) input))] - (case bytes_read + (when bytes_read -1 (do ! [_ (java/lang/AutoCloseable::close input)] - (case so_far + (when so_far +0 (in (..body_of output)) _ (|> buffer (binary.slice 0 (.nat so_far)) @@ -178,7 +178,7 @@ headers //.empty]) (do [! (try.with io.monad)] [?name (java/net/URLConnection::getHeaderFieldKey (ffi.as_int index) connection)] - (case ?name + (when ?name {.#Some name} (do ! [?value (java/net/URLConnection::getHeaderField (ffi.as_int index) connection)] @@ -200,7 +200,7 @@ _ (monad.each ! (function (_ [name value]) (java/net/URLConnection::setRequestProperty (ffi.as_string name) (ffi.as_string value) connection)) (dictionary.entries headers)) - _ (case data + _ (when data {.#Some data} (do ! [_ (java/net/URLConnection::setDoOutput true connection) @@ -231,7 +231,7 @@ (|> (at client request method url headers data) async.future (at async.monad each - (|>> (pipe.case + (|>> (pipe.when {try.#Success [status message]} {try.#Success [status (revised //.#body (is (-> (//.Body IO) (//.Body Async)) (function (_ body) diff --git a/stdlib/source/library/lux/world/net/http/cookie.lux b/stdlib/source/library/lux/world/net/http/cookie.lux index a87addd69..5863b5bee 100644 --- a/stdlib/source/library/lux/world/net/http/cookie.lux +++ b/stdlib/source/library/lux/world/net/http/cookie.lux @@ -65,7 +65,7 @@ (def .public (same_site policy) (-> CSRF_Policy Directive) - (..directive (format "SameSite=" (case policy + (..directive (format "SameSite=" (when policy {#Strict} "Strict" {#Lax} "Lax")))) diff --git a/stdlib/source/library/lux/world/net/http/header.lux b/stdlib/source/library/lux/world/net/http/header.lux index 21b00565a..91ad629a2 100644 --- a/stdlib/source/library/lux/world/net/http/header.lux +++ b/stdlib/source/library/lux/world/net/http/header.lux @@ -15,7 +15,7 @@ (def .public (has name value) (-> Text Text Header) (dictionary.revised' name "" - (|>> (pipe.case + (|>> (pipe.when "" value diff --git a/stdlib/source/library/lux/world/net/http/request.lux b/stdlib/source/library/lux/world/net/http/request.lux index fdf8a8aa1..c69666791 100644 --- a/stdlib/source/library/lux/world/net/http/request.lux +++ b/stdlib/source/library/lux/world/net/http/request.lux @@ -59,7 +59,7 @@ (function (_ (^.let request [identification protocol resource message])) (do async.monad [?raw (read_text_body (the //.#body message))] - (case (do try.monad + (when (do try.monad [raw ?raw content (at json.codec decoded raw)] (json.result content reader)) @@ -74,7 +74,7 @@ (function (_ (^.let request [identification protocol resource message])) (do async.monad [?raw (read_text_body (the //.#body message))] - (case ?raw + (when ?raw {try.#Success content} (server content request) @@ -88,7 +88,7 @@ [uri query] (|> full (text.split_by "?") (maybe.else [full ""]))] - (case (do try.monad + (when (do try.monad [query (//query.parameters query) input (context.result query property)] (in [[identification protocol (has //.#uri uri resource) message] @@ -104,7 +104,7 @@ (function (_ (^.let request [identification protocol resource message])) (do async.monad [?body (read_text_body (the //.#body message))] - (case (do try.monad + (when (do try.monad [body ?body form (//query.parameters body)] (context.result form property)) @@ -117,7 +117,7 @@ (def .public (cookies property server) (All (_ a) (-> (Property a) (-> a Server) Server)) (function (_ (^.let request [identification protocol resource message])) - (case (do try.monad + (when (do try.monad [cookies (|> (the //.#headers message) (dictionary.value "Cookie") (maybe.else "") diff --git a/stdlib/source/library/lux/world/net/http/route.lux b/stdlib/source/library/lux/world/net/http/route.lux index 53d533334..bcb7aa4a8 100644 --- a/stdlib/source/library/lux/world/net/http/route.lux +++ b/stdlib/source/library/lux/world/net/http/route.lux @@ -21,7 +21,7 @@ [(def .public ( server) (-> Server Server) (function (_ (^.let request [identification protocol resource message])) - (case (the //.#scheme protocol) + (when (the //.#scheme protocol) {} (server request) @@ -36,7 +36,7 @@ [(def .public ( server) (-> Server Server) (function (_ (^.let request [identification protocol resource message])) - (case (the //.#method resource) + (when (the //.#method resource) {} (server request) diff --git a/stdlib/source/library/lux/world/shell.lux b/stdlib/source/library/lux/world/shell.lux index 4e9bd0d37..5ab10bba6 100644 --- a/stdlib/source/library/lux/world/shell.lux +++ b/stdlib/source/library/lux/world/shell.lux @@ -250,7 +250,7 @@ [(def ( _) (do ! [output (java/io/BufferedReader::readLine )] - (case output + (when output {.#Some output} (in (ffi.of_string output)) @@ -332,7 +332,7 @@ [(def ( _) (do [! io.monad] [|state| (atom.read! state)] - (case (at mock |state|) + (when (at mock |state|) {try.#Success [|state| output]} (do ! [_ (atom.write! |state| state)] @@ -348,7 +348,7 @@ (def (write message) (do [! io.monad] [|state| (atom.read! state)] - (case (at mock on_write message |state|) + (when (at mock on_write message |state|) {try.#Success |state|} (do ! [_ (atom.write! |state| state)] @@ -359,7 +359,7 @@ (def (destroy _) (do [! io.monad] [|state| (atom.read! state)] - (case (at mock on_destroy |state|) + (when (at mock on_destroy |state|) {try.#Success |state|} (do ! [_ (atom.write! |state| state)] diff --git a/stdlib/source/library/lux/world/time.lux b/stdlib/source/library/lux/world/time.lux index d24e87497..22a0d85f3 100644 --- a/stdlib/source/library/lux/world/time.lux +++ b/stdlib/source/library/lux/world/time.lux @@ -118,7 +118,7 @@ (def pred (|>> representation - (pipe.case + (pipe.when 0 ..limit millis millis) -- diff --git a/stdlib/source/library/lux/world/time/day.lux b/stdlib/source/library/lux/world/time/day.lux index 5daf79ac0..f763fbb8f 100644 --- a/stdlib/source/library/lux/world/time/day.lux +++ b/stdlib/source/library/lux/world/time/day.lux @@ -34,7 +34,7 @@ (Equivalence Day) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] (^.with_template [] [[{} {}] true]) @@ -51,7 +51,7 @@ (def (nat day) (-> Day Nat) - (case day + (when day (^.with_template [ ] [{} ]) ([0 #Sunday] @@ -76,7 +76,7 @@ (def order ..order) (def (succ day) - (case day + (when day {#Sunday} {#Monday} {#Monday} {#Tuesday} {#Tuesday} {#Wednesday} @@ -86,7 +86,7 @@ {#Saturday} {#Sunday})) (def (pred day) - (case day + (when day {#Monday} {#Sunday} {#Tuesday} {#Monday} {#Wednesday} {#Tuesday} @@ -103,7 +103,7 @@ (Codec Text Day) (implementation (def (encoded value) - (case value + (when value (^.with_template [] [{} (text.replaced "#" "" (template.text []))]) @@ -115,7 +115,7 @@ [..#Saturday] [..#Sunday]))) (def (decoded value) - (case (text#composite "#" value) + (when (text#composite "#" value) (^.with_template [] [(template.text []) {try.#Success {}}]) @@ -147,7 +147,7 @@ [07 #Saturday])] (def .public (number day) (-> Day Nat) - (case day + (when day (^.with_template [ ] [{} ]) @@ -163,7 +163,7 @@ (def .public (by_number number) (-> Nat (Try Day)) - (case number + (when number (^.with_template [ ] [ {try.#Success {}}]) @@ -178,7 +178,7 @@ (implementation (def equivalence ..equivalence) (def (hash day) - (case day + (when day (^.with_template [ ] [{} ]) diff --git a/stdlib/source/library/lux/world/time/duration.lux b/stdlib/source/library/lux/world/time/duration.lux index 00a7c1d1e..a8850b4fb 100644 --- a/stdlib/source/library/lux/world/time/duration.lux +++ b/stdlib/source/library/lux/world/time/duration.lux @@ -159,7 +159,7 @@ (function (_ suffix false_suffix) (|> (.many .decimal) (<>.codec nat.decimal) - (<>.before (case false_suffix + (<>.before (when false_suffix "" (.this suffix) _ (<>.after (<>.not (.this false_suffix)) (.this suffix)))) @@ -178,7 +178,7 @@ (..composite (..up minutes ..minute)) (..composite (..up seconds ..second)) (..composite (..up millis ..milli_second)))]] - (in (case sign + (in (when sign {.#Left _} (..inverse span) {.#Right _} span))))) diff --git a/stdlib/source/library/lux/world/time/instant.lux b/stdlib/source/library/lux/world/time/instant.lux index 2f08a6833..55bb1eae8 100644 --- a/stdlib/source/library/lux/world/time/instant.lux +++ b/stdlib/source/library/lux/world/time/instant.lux @@ -95,7 +95,7 @@ bce? (i.< +0 offset) [days day_time] (if bce? (let [[days millis] (i./% ..millis_per_day offset)] - (case millis + (when millis +0 [days millis] _ [(-- days) (i.+ ..millis_per_day millis)])) (i./% ..millis_per_day offset))] @@ -209,7 +209,7 @@ days) ... 1970/01/01 was a Thursday y1970m0d0 +4] - (case (|> y1970m0d0 + (when (|> y1970m0d0 (i.+ days) (i.% +7) ... This is done to turn negative days into positive days. (i.+ +7) (i.% +7)) diff --git a/stdlib/source/library/lux/world/time/month.lux b/stdlib/source/library/lux/world/time/month.lux index c2e88c976..35f56020d 100644 --- a/stdlib/source/library/lux/world/time/month.lux +++ b/stdlib/source/library/lux/world/time/month.lux @@ -39,7 +39,7 @@ (Equivalence Month) (implementation (def (= reference sample) - (case [reference sample] + (when [reference sample] (^.with_template [] [[{} {}] true]) @@ -73,7 +73,7 @@ [12 #December])] (def .public (number month) (-> Month Nat) - (case month + (when month (^.with_template [ ] [{} ]) @@ -89,7 +89,7 @@ (def .public (by_number number) (-> Nat (Try Month)) - (case number + (when number (^.with_template [ ] [ {try.#Success {}}]) @@ -104,7 +104,7 @@ (implementation (def equivalence ..equivalence) (def (hash month) - (case month + (when month (^.with_template [ ] [{} ]) @@ -136,7 +136,7 @@ (def order ..order) (def (succ month) - (case month + (when month {#January} {#February} {#February} {#March} {#March} {#April} @@ -151,7 +151,7 @@ {#December} {#January})) (def (pred month) - (case month + (when month {#February} {#January} {#March} {#February} {#April} {#March} @@ -167,7 +167,7 @@ (def .public (days month) (-> Month Nat) - (case month + (when month (^.with_template [ ] [{} ]) @@ -189,7 +189,7 @@ (def .public (leap_year_days month) (-> Month Nat) - (case month + (when month {#February} (++ (..days month)) _ (..days month))) @@ -216,7 +216,7 @@ (Codec Text Month) (implementation (def (encoded value) - (case value + (when value (^.with_template [] [{} (text.replaced "#" "" (template.text []))]) @@ -233,7 +233,7 @@ [..#November] [..#December]))) (def (decoded value) - (case (text#composite "#" value) + (when (text#composite "#" value) (^.with_template [] [(template.text []) {try.#Success {}}]) diff --git a/stdlib/source/library/lux/world/time/year.lux b/stdlib/source/library/lux/world/time/year.lux index a7bdb0dcf..ae01271f5 100644 --- a/stdlib/source/library/lux/world/time/year.lux +++ b/stdlib/source/library/lux/world/time/year.lux @@ -41,7 +41,7 @@ (def .public (year value) (-> Int (Try Year)) - (case value + (when value +0 (exception.except ..there_is_no_year_0 []) _ {try.#Success (abstraction (..internal value))})) @@ -118,7 +118,7 @@ [sign (<>.or (.this "-") (in [])) digits (.many .decimal) raw_year (<>.codec i.decimal (in (text#composite "+" digits)))] - (<>.lifted (..year (case sign + (<>.lifted (..year (when sign {.#Left _} (i.* -1 raw_year) {.#Right _} raw_year))))) diff --git a/stdlib/source/parser/lux/data/binary.lux b/stdlib/source/parser/lux/data/binary.lux index d1cf273f3..37fc881d3 100644 --- a/stdlib/source/parser/lux/data/binary.lux +++ b/stdlib/source/parser/lux/data/binary.lux @@ -56,7 +56,7 @@ (def .public (result parser input) (All (_ a) (-> (Parser a) Binary (Try a))) - (case (parser [0 input]) + (when (parser [0 input]) {try.#Success [[end _] output]} (let [length (/.size input)] (if (n#= end length) @@ -138,7 +138,7 @@ [flag (is (Parser Nat) ..bits_8)] (with_expansions [+' (template.spliced +)] - (case flag + (when flag (^.with_template [ ] [ (`` (at ! each (|>> {(,, (template.spliced ))}) ))]) (+') @@ -170,14 +170,14 @@ (do //.monad [value (is (Parser Nat) ..bits_8)] - (case value + (when value 0 (in #0) 1 (in #1) _ (//.lifted (exception.except ..not_a_bit [value]))))) (def .public (segment size) (-> Nat (Parser Binary)) - (case size + (when size 0 (//#in (/.empty 0)) _ (function (_ [start binary]) (let [end (n#+ size start)] diff --git a/stdlib/source/parser/lux/data/collection/tree.lux b/stdlib/source/parser/lux/data/collection/tree.lux index 5d10ce15b..38132cdb4 100644 --- a/stdlib/source/parser/lux/data/collection/tree.lux +++ b/stdlib/source/parser/lux/data/collection/tree.lux @@ -35,7 +35,7 @@ [(def .public (All (_ t) (Parser t [])) (function (_ zipper) - (case ( zipper) + (when ( zipper) {.#None} (exception.except ..cannot_move_further []) diff --git a/stdlib/source/parser/lux/data/format/json.lux b/stdlib/source/parser/lux/data/format/json.lux index d440cd091..e1c1178e0 100644 --- a/stdlib/source/parser/lux/data/format/json.lux +++ b/stdlib/source/parser/lux/data/format/json.lux @@ -33,9 +33,9 @@ (def .public (result parser json) (All (_ a) (-> (Parser a) JSON (Try a))) - (case (//.result parser (list json)) + (when (//.result parser (list json)) {try.#Success [remainder output]} - (case remainder + (when remainder {.#End} {try.#Success output} @@ -48,7 +48,7 @@ (def .public any (Parser JSON) (<| (function (_ inputs)) - (case inputs + (when inputs {.#End} (exception.except ..empty_input []) @@ -64,7 +64,7 @@ (Parser ) (do //.monad [head ..any] - (case head + (when head { value} (in value) @@ -88,7 +88,7 @@ (-> (Parser Bit)) (do //.monad [head ..any] - (case head + (when head { value} (in (at = test value)) @@ -99,7 +99,7 @@ (-> (Parser Any)) (do //.monad [head ..any] - (case head + (when head { value} (if (at = test value) (in []) @@ -122,14 +122,14 @@ (All (_ a) (-> (Parser a) (Parser a))) (do //.monad [head ..any] - (case head + (when head {/.#Array values} - (case (//.result parser (sequence.list values)) + (when (//.result parser (sequence.list values)) {try.#Failure error} (//.failure error) {try.#Success [remainder output]} - (case remainder + (when remainder {.#End} (in output) @@ -143,9 +143,9 @@ (All (_ a) (-> (Parser a) (Parser a))) (do //.monad [head ..any] - (case head + (when head {/.#Object kvs} - (case (|> kvs + (when (|> kvs dictionary.entries (list#each (function (_ [key value]) (list {/.#String key} value))) @@ -155,7 +155,7 @@ (//.failure error) {try.#Success [remainder output]} - (case remainder + (when remainder {.#End} (in output) @@ -168,10 +168,10 @@ (def .public (field field_name parser) (All (_ a) (-> Text (Parser a) (Parser a))) (function (again inputs) - (case inputs + (when inputs (list.partial {/.#String key} value inputs') (if (text#= key field_name) - (case (//.result parser (list value)) + (when (//.result parser (list value)) {try.#Success [{.#End} output]} {try.#Success [inputs' output]} diff --git a/stdlib/source/parser/lux/data/format/xml.lux b/stdlib/source/parser/lux/data/format/xml.lux index 0a54431e2..38d0d33da 100644 --- a/stdlib/source/parser/lux/data/format/xml.lux +++ b/stdlib/source/parser/lux/data/format/xml.lux @@ -42,7 +42,7 @@ (def (result' parser attrs documents) (All (_ a) (-> (Parser a) Attrs (List XML) (Try a))) - (case (//.result parser [attrs documents]) + (when (//.result parser [attrs documents]) {try.#Success [[attrs' remaining] output]} (if (list.empty? remaining) {try.#Success output} @@ -58,12 +58,12 @@ (def .public text (Parser Text) (function (_ [attrs documents]) - (case documents + (when documents {.#End} (exception.except ..empty_input []) {.#Item head tail} - (case head + (when head {/.#Text value} {try.#Success [[attrs tail] value]} @@ -73,12 +73,12 @@ (def .public tag (Parser Tag) (function (_ [attrs documents]) - (case documents + (when documents {.#End} (exception.except ..empty_input []) {.#Item head _} - (case head + (when head {/.#Text _} (exception.except ..unexpected_input []) @@ -88,7 +88,7 @@ (def .public (attribute name) (-> Attribute (Parser Text)) (function (_ [attrs documents]) - (case (dictionary.value name attrs) + (when (dictionary.value name attrs) {.#None} (exception.except ..unknown_attribute [name (dictionary.keys attrs)]) @@ -98,12 +98,12 @@ (def .public (node expected parser) (All (_ a) (-> Tag (Parser a) (Parser a))) (function (_ [attrs documents]) - (case documents + (when documents {.#End} (exception.except ..empty_input []) {.#Item head tail} - (case head + (when head {/.#Text _} (exception.except ..unexpected_input []) @@ -117,7 +117,7 @@ (def .public any (Parser XML) (function (_ [attrs documents]) - (case documents + (when documents {.#End} (exception.except ..empty_input []) @@ -129,12 +129,12 @@ (def .public (somewhere parser) (All (_ a) (-> (Parser a) (Parser a))) (function (again [attrs input]) - (case (//.result parser [attrs input]) + (when (//.result parser [attrs input]) {try.#Success [[attrs remaining] output]} {try.#Success [[attrs remaining] output]} {try.#Failure error} - (case input + (when input {.#End} (exception.except ..nowhere []) diff --git a/stdlib/source/parser/lux/data/text.lux b/stdlib/source/parser/lux/data/text.lux index 75c30816f..28320b351 100644 --- a/stdlib/source/parser/lux/data/text.lux +++ b/stdlib/source/parser/lux/data/text.lux @@ -45,7 +45,7 @@ (do //.monad [[basis distance] parser] (function (_ (^.let input [offset tape])) - (case (/.clip basis distance tape) + (when (/.clip basis distance tape) {.#Some output} {try.#Success [input output]} @@ -71,7 +71,7 @@ (def .public (result parser input) (All (_ a) (-> (Parser a) Text (Try a))) - (case (parser [..beginning input]) + (when (parser [..beginning input]) {try.#Failure msg} {try.#Failure msg} @@ -100,7 +100,7 @@ (def .public any (Parser Text) (function (_ [offset tape]) - (case (/.char offset tape) + (when (/.char offset tape) {.#Some output} {try.#Success [[("lux i64 +" 1 offset) tape] (/.of_char output)]} @@ -110,7 +110,7 @@ (def .public any! (Parser Slice) (function (_ [offset tape]) - (case (/.char offset tape) + (when (/.char offset tape) {.#Some _} {try.#Success [[("lux i64 +" 1 offset) tape] [#basis offset @@ -123,7 +123,7 @@ [(`` (def .public ( parser) (All (_ a) (-> (Parser a) (Parser ))) (function (_ input) - (case (parser input) + (when (parser input) {try.#Failure msg} ( input) @@ -141,7 +141,7 @@ (def .public (this reference) (-> Text (Parser Any)) (function (_ [offset tape]) - (case (/.index_since offset reference tape) + (when (/.index_since offset reference tape) {.#Some where} (if (n.= offset where) {try.#Success [[("lux i64 +" (/.size reference) offset) tape] @@ -161,7 +161,7 @@ (def .public next (Parser Text) (function (_ (^.let input [offset tape])) - (case (/.char offset tape) + (when (/.char offset tape) {.#Some output} {try.#Success [input (/.of_char output)]} @@ -244,7 +244,7 @@ [(def .public ( options) (-> Text (Parser Text)) (function (_ [offset tape]) - (case (/.char offset tape) + (when (/.char offset tape) {.#Some output} (let [output' (/.of_char output)] (if ( (/.contains? output' options)) @@ -262,7 +262,7 @@ [(def .public ( options) (-> Text (Parser Slice)) (function (_ [offset tape]) - (case (/.char offset tape) + (when (/.char offset tape) {.#Some output} (let [output' (/.of_char output)] (if ( (/.contains? output' options)) @@ -285,7 +285,7 @@ (def .public (satisfies parser) (-> (-> Char Bit) (Parser Text)) (function (_ [offset tape]) - (case (/.char offset tape) + (when (/.char offset tape) {.#Some output} (if (parser output) {try.#Success [[("lux i64 +" 1 offset) tape] (/.of_char output)]} @@ -297,7 +297,7 @@ (def .public (satisfies! parser) (-> (-> Char Bit) (Parser Slice)) (function (_ [offset tape]) - (case (/.char offset tape) + (when (/.char offset tape) {.#Some output} (if (parser output) {try.#Success [[("lux i64 +" 1 offset) tape] @@ -390,7 +390,7 @@ (def .public (local local_input parser) (All (_ a) (-> Text (Parser a) (Parser a))) (function (_ real_input) - (case (..result parser local_input) + (when (..result parser local_input) {try.#Failure error} {try.#Failure error} diff --git a/stdlib/source/parser/lux/meta/code.lux b/stdlib/source/parser/lux/meta/code.lux index 844c0e1c2..b0a23eb8c 100644 --- a/stdlib/source/parser/lux/meta/code.lux +++ b/stdlib/source/parser/lux/meta/code.lux @@ -23,7 +23,7 @@ (def (un_paired pairs) (All (_ a) (-> (List [a a]) (List a))) - (case pairs + (when pairs {.#End} {.#End} @@ -42,7 +42,7 @@ (def .public any (Parser Code) (function (_ tokens) - (case tokens + (when tokens {.#End} {try.#Failure "There are no tokens to parse!"} @@ -52,7 +52,7 @@ (def .public next (Parser Code) (function (_ tokens) - (case tokens + (when tokens {.#End} {try.#Failure "There are no tokens to parse!"} @@ -64,7 +64,7 @@ (def .public (Parser ) (function (_ tokens) - (case tokens + (when tokens {.#Item [[_ { x}] tokens']} {try.#Success [tokens' x]} @@ -74,7 +74,7 @@ (def .public ( expected) (-> (Parser Any)) (function (_ tokens) - (case tokens + (when tokens {.#Item [[_ { actual}] tokens']} (if (at = expected actual) {try.#Success [tokens' []]} @@ -95,7 +95,7 @@ (def .public (this code) (-> Code (Parser Any)) (function (_ tokens) - (case tokens + (when tokens {.#Item [token tokens']} (if (code#= code token) {try.#Success [tokens' []]} @@ -109,7 +109,7 @@ (def .public local (Parser Text) (function (_ tokens) - (case tokens + (when tokens {.#Item [[_ {.#Symbol ["" x]}] tokens']} {try.#Success [tokens' x]} @@ -119,7 +119,7 @@ (def .public (this_local expected) (-> Text (Parser Any)) (function (_ tokens) - (case tokens + (when tokens {.#Item [[_ {.#Symbol ["" actual]}] tokens']} (if (at text.equivalence = expected actual) {try.#Success [tokens' []]} @@ -132,7 +132,7 @@ (def .public global (Parser Symbol) (function (_ tokens) - (case tokens + (when tokens {.#Item [[_ {.#Symbol ["" short]}] tokens']} @@ -145,7 +145,7 @@ (def .public (this_global expected) (-> Symbol (Parser Any)) (function (_ tokens) - (case tokens + (when tokens {.#Item [[_ {.#Symbol ["" actual]}] tokens']} @@ -162,9 +162,9 @@ (All (_ a) (-> (Parser a) (Parser a))) (function (_ tokens) - (case tokens + (when tokens {.#Item [[_ { members}] tokens']} - (case (p members) + (when (p members) {try.#Success [{.#End} x]} {try.#Success [tokens' x]} _ {try.#Failure (all text#composite "Parser was expected to fully consume " (remaining_inputs tokens))}) @@ -179,25 +179,25 @@ (def .public end (Parser Any) (function (_ tokens) - (case tokens + (when tokens {.#End} {try.#Success [tokens []]} _ {try.#Failure (all text#composite "Expected list of tokens to be empty!" (remaining_inputs tokens))}))) (def .public end? (Parser Bit) (function (_ tokens) - {try.#Success [tokens (case tokens + {try.#Success [tokens (when tokens {.#End} true _ false)]})) (def .public (result parser inputs) (All (_ a) (-> (Parser a) (List Code) (Try a))) - (case (parser inputs) + (when (parser inputs) {try.#Failure error} {try.#Failure error} {try.#Success [unconsumed value]} - (case unconsumed + (when unconsumed {.#End} {try.#Success value} @@ -220,6 +220,6 @@ [sample ..next result (//.or parser ..any)] - (case result + (when result {.#Left _} (//.failure (text#composite "Did NOT expect to parse code: " (code.format sample))) {.#Right output} (in output)))) diff --git a/stdlib/source/parser/lux/meta/compiler/language/lux/analysis.lux b/stdlib/source/parser/lux/meta/compiler/language/lux/analysis.lux index e8be9f6dc..0d98f3bd4 100644 --- a/stdlib/source/parser/lux/meta/compiler/language/lux/analysis.lux +++ b/stdlib/source/parser/lux/meta/compiler/language/lux/analysis.lux @@ -50,7 +50,7 @@ (def .public (result parser input) (All (_ a) (-> (Parser a) (List Analysis) (Try a))) - (case (parser input) + (when (parser input) {try.#Failure error} {try.#Failure error} @@ -63,7 +63,7 @@ (def .public any (Parser Analysis) (function (_ input) - (case input + (when input {.#End} (exception.except ..cannot_parse input) @@ -73,7 +73,7 @@ (def .public end (Parser Any) (function (_ tokens) - (case tokens + (when tokens {.#End} {try.#Success [tokens []]} _ {try.#Failure (format "Expected list of tokens to be empty!" (remaining_inputs tokens))}))) @@ -81,7 +81,7 @@ (def .public end? (Parser Bit) (function (_ tokens) - {try.#Success [tokens (case tokens + {try.#Success [tokens (when tokens {.#End} true _ false)]})) @@ -89,7 +89,7 @@ [(`` (these (def .public (Parser ) (function (_ input) - (case input + (when input (list.partial ( x) input') {try.#Success [input' x]} @@ -99,7 +99,7 @@ (def .public ( expected) (-> (Parser Any)) (function (_ input) - (case input + (when input (list.partial ( actual) input') (if (at = expected actual) {try.#Success [input' []]} @@ -122,7 +122,7 @@ (def .public (tuple parser) (All (_ a) (-> (Parser a) (Parser a))) (function (_ input) - (case input + (when input (list.partial (/.tuple head) tail) (do try.monad [output (..result parser head)] diff --git a/stdlib/source/parser/lux/meta/compiler/language/lux/synthesis.lux b/stdlib/source/parser/lux/meta/compiler/language/lux/synthesis.lux index 9431da2a7..fda40e0cd 100644 --- a/stdlib/source/parser/lux/meta/compiler/language/lux/synthesis.lux +++ b/stdlib/source/parser/lux/meta/compiler/language/lux/synthesis.lux @@ -55,7 +55,7 @@ (def .public (result parser input) (All (_ a) (-> (Parser a) (List Synthesis) (Try a))) - (case (parser input) + (when (parser input) {try.#Failure error} {try.#Failure error} @@ -68,7 +68,7 @@ (def .public any (Parser Synthesis) (.function (_ input) - (case input + (when input {.#End} (exception.except ..empty_input []) @@ -78,14 +78,14 @@ (def .public end (Parser Any) (.function (_ tokens) - (case tokens + (when tokens {.#End} {try.#Success [tokens []]} _ (exception.except ..expected_empty_input [tokens])))) (def .public end? (Parser Bit) (.function (_ tokens) - {try.#Success [tokens (case tokens + {try.#Success [tokens (when tokens {.#End} true _ false)]})) @@ -93,7 +93,7 @@ [(`` (def .public (Parser ) (.function (_ input) - (case input + (when input (list.partial ( x) input') {try.#Success [input' x]} @@ -103,7 +103,7 @@ (`` (def .public ( expected) (-> (Parser Any)) (.function (_ input) - (case input + (when input (list.partial ( actual) input') (if (at = expected actual) {try.#Success [input' []]} @@ -124,7 +124,7 @@ (def .public (tuple parser) (All (_ a) (-> (Parser a) (Parser a))) (.function (_ input) - (case input + (when input (list.partial (/.tuple head) tail) (do try.monad [output (..result parser head)] @@ -136,7 +136,7 @@ (def .public (function expected parser) (All (_ a) (-> Arity (Parser a) (Parser [(Environment Synthesis) a]))) (.function (_ input) - (case input + (when input (list.partial (/.function/abstraction [environment actual body]) tail) (if (n.= expected actual) (do try.monad @@ -150,7 +150,7 @@ (def .public (loop init_parsers iteration_parser) (All (_ a b) (-> (Parser a) (Parser b) (Parser [Register a b]))) (.function (_ input) - (case input + (when input (list.partial (/.loop/scope [start inits iteration]) tail) (do try.monad [inits (..result init_parsers inits) diff --git a/stdlib/source/parser/lux/meta/type.lux b/stdlib/source/parser/lux/meta/type.lux index b7cc07bef..f93efcd6d 100644 --- a/stdlib/source/parser/lux/meta/type.lux +++ b/stdlib/source/parser/lux/meta/type.lux @@ -77,12 +77,12 @@ (def (result' env poly types) (All (_ a) (-> Env (Parser a) (List Type) (Try a))) - (case (//.result poly [env types]) + (when (//.result poly [env types]) {try.#Failure error} {try.#Failure error} {try.#Success [[env' remaining] output]} - (case remaining + (when remaining {.#End} {try.#Success output} @@ -101,7 +101,7 @@ (def (with_env temp poly) (All (_ a) (-> Env (Parser a) (Parser a))) (.function (_ [env inputs]) - (case (//.result poly [temp inputs]) + (when (//.result poly [temp inputs]) {try.#Failure error} {try.#Failure error} @@ -111,7 +111,7 @@ (def .public next (Parser Type) (.function (_ [env inputs]) - (case inputs + (when inputs {.#End} (exception.except ..empty_input []) @@ -121,7 +121,7 @@ (def .public any (Parser Type) (.function (_ [env inputs]) - (case inputs + (when inputs {.#End} (exception.except ..empty_input []) @@ -131,7 +131,7 @@ (def .public (local types poly) (All (_ a) (-> (List Type) (Parser a) (Parser a))) (.function (_ [env pass_through]) - (case (result' env poly types) + (when (result' env poly types) {try.#Failure error} {try.#Failure error} @@ -147,7 +147,7 @@ (.function (_ [env inputs]) (let [current_id (dictionary.size env) g!var (label current_id)] - (case (//.result poly + (when (//.result poly [(dictionary.has current_id [type g!var] env) inputs]) {try.#Failure error} @@ -261,9 +261,9 @@ (do //.monad [env ..env headT any] - (case headT + (when headT {.#Parameter idx} - (case (dictionary.value (..argument env idx) env) + (when (dictionary.value (..argument env idx) env) {.#Some [poly_type poly_code]} (in poly_code) @@ -278,7 +278,7 @@ (do //.monad [env ..env headT any] - (case headT + (when headT {.#Parameter idx} (if (n.= id (..argument env idx)) (in []) @@ -291,7 +291,7 @@ (Parser Nat) (do //.monad [headT any] - (case headT + (when headT {.#Ex ex_id} (in ex_id) @@ -302,7 +302,7 @@ (Parser [Symbol Type]) (do //.monad [inputT any] - (case inputT + (when inputT {.#Named name anonymousT} (in [name anonymousT]) @@ -313,7 +313,7 @@ (All (_ a) (-> (Parser a) (Parser [Code a]))) (do [! //.monad] [headT any] - (case (/.anonymous headT) + (when (/.anonymous headT) {.#Apply (|recursion_dummy|) {.#UnivQ _ headT'}} (do ! [[recT _ output] (|> poly @@ -330,7 +330,7 @@ (do //.monad [env ..env headT any] - (case (/.anonymous headT) + (when (/.anonymous headT) (^.multi {.#Apply (|recursion_dummy|) {.#Parameter funcT_idx}} (n.= 0 (..argument env funcT_idx)) [(dictionary.value 0 env) {.#Some [self_type self_call]}]) diff --git a/stdlib/source/parser/lux/program.lux b/stdlib/source/parser/lux/program.lux index eff42b3ad..c9ec8b72a 100644 --- a/stdlib/source/parser/lux/program.lux +++ b/stdlib/source/parser/lux/program.lux @@ -15,9 +15,9 @@ (def .public (result parser inputs) (All (_ a) (-> (Parser a) (List Text) (Try a))) - (case (//.result parser inputs) + (when (//.result parser inputs) {try.#Success [remaining output]} - (case remaining + (when remaining {.#End} {try.#Success output} @@ -30,7 +30,7 @@ (def .public any (Parser Text) (function (_ inputs) - (case inputs + (when inputs {.#Item arg inputs'} {try.#Success [inputs' arg]} @@ -58,9 +58,9 @@ (All (_ a) (-> (Parser a) (Parser a))) (function (_ inputs) (loop (again [immediate inputs]) - (case (//.result cli immediate) + (when (//.result cli immediate) {try.#Failure try} - (case immediate + (when immediate {.#End} {try.#Failure try} @@ -76,7 +76,7 @@ (def .public end (Parser Any) (function (_ inputs) - (case inputs + (when inputs {.#End} {try.#Success [inputs []]} _ {try.#Failure (format "Unknown parameters: " (text.interposed " " inputs))}))) diff --git a/stdlib/source/parser/lux/world/environment.lux b/stdlib/source/parser/lux/world/environment.lux index 311048fdf..10230d5a1 100644 --- a/stdlib/source/parser/lux/world/environment.lux +++ b/stdlib/source/parser/lux/world/environment.lux @@ -32,7 +32,7 @@ (def .public (property name) (-> Property (Parser Text)) (function (_ environment) - (case (dictionary.value name environment) + (when (dictionary.value name environment) {.#Some value} {try.#Success [environment value]} diff --git a/stdlib/source/polytypic/lux/abstract/equivalence.lux b/stdlib/source/polytypic/lux/abstract/equivalence.lux index 8de4a0a7a..a79fd9c2a 100644 --- a/stdlib/source/polytypic/lux/abstract/equivalence.lux +++ b/stdlib/source/polytypic/lux/abstract/equivalence.lux @@ -115,7 +115,7 @@ g!right (code.local "_____________right")]] (in (` (is (, (@Equivalence inputT)) (function ((, g!_) (, g!left) (, g!right)) - (case [(, g!left) (, g!right)] + (when [(, g!left) (, g!right)] (,* (list#conjoint (list#each (function (_ [tag g!eq]) (if (nat.= last tag) (list (` [{(, (code.nat (-- tag))) #1 (, g!left)} diff --git a/stdlib/source/polytypic/lux/abstract/functor.lux b/stdlib/source/polytypic/lux/abstract/functor.lux index 31a53d407..415c0da6e 100644 --- a/stdlib/source/polytypic/lux/abstract/functor.lux +++ b/stdlib/source/polytypic/lux/abstract/functor.lux @@ -54,7 +54,7 @@ [_ (in []) membersC (.variant (<>.many (Arg valueC))) .let [last (-- (list.size membersC))]] - (in (` (case (, valueC) + (in (` (when (, valueC) (,* (list#conjoint (list#each (function (_ [tag memberC]) (if (n.= last tag) (list (` {(, (code.nat (-- tag))) #1 (, valueC)}) @@ -75,7 +75,7 @@ (again (++ idx) (list#composite pairsCC (list [slotC memberC]))))) (in pairsCC)))))] - (in (` (case (, valueC) + (in (` (when (, valueC) [(,* (list#each product.left pairsCC))] [(,* (list#each product.right pairsCC))])))) ... Functions diff --git a/stdlib/source/polytypic/lux/data/format/json.lux b/stdlib/source/polytypic/lux/data/format/json.lux index 53eba2b21..333f0c323 100644 --- a/stdlib/source/polytypic/lux/data/format/json.lux +++ b/stdlib/source/polytypic/lux/data/format/json.lux @@ -85,7 +85,7 @@ (def .public (nullable format) (All (_ a) (-> (-> a JSON) (-> (Maybe a) JSON))) (function (_ elem) - (case elem + (when elem {.#None} {/.#Null} {.#Some value} (format value)))) @@ -175,7 +175,7 @@ .let [last (-- (list.size members))]] (in (` (is (, (@JSON#encoded inputT)) (function ((, g!_) (, g!input)) - (case (, g!input) + (when (, g!input) (,* (list#conjoint (list#each (function (_ [tag g!encoded]) (if (n.= last tag) (.list (` {(, (code.nat (-- tag))) #1 (, g!input)}) diff --git a/stdlib/source/program/aedifex.lux b/stdlib/source/program/aedifex.lux index 6300dc4fc..27127e3da 100644 --- a/stdlib/source/program/aedifex.lux +++ b/stdlib/source/program/aedifex.lux @@ -84,7 +84,7 @@ /repository.async) profile) [exit_code output] ((command console environment (file.async file.default) (shell.async shell.default) resolution) profile) - _ (case exit_code + _ (when exit_code shell.normal (in []) @@ -118,7 +118,7 @@ (do async.monad [outcome action] (async.future - (case outcome + (when outcome {try.#Success _} ..succeed! @@ -153,7 +153,7 @@ (do [! io.monad] [console (at ! each (|>> (try.else ..write_only) console.async) console.default)] - (case operation + (when operation {/cli.#Version} (..command (/command/version.do! console (at /.monoid identity))) @@ -161,12 +161,12 @@ _ (do ! [?profile (/input.read io.monad file.default profiles)] - (case ?profile + (when ?profile {try.#Failure error} (..fail! error) {try.#Success profile} - (case operation + (when operation {/cli.#Version} (in []) @@ -184,9 +184,9 @@ {/cli.#Deploy repository identity} (..command - (case (the /.#identity profile) + (when (the /.#identity profile) {.#Some artifact} - (case (dictionary.value repository (the /.#deploy_repositories profile)) + (when (dictionary.value repository (the /.#deploy_repositories profile)) {.#Some remote} (/command/deploy.do! ..environment (shell.async shell.default) @@ -213,7 +213,7 @@ profile)) {/cli.#Compilation compilation} - (case compilation + (when compilation {/cli.#Build} (..command (..with_dependencies ..environment console /command/build.do! profile)) {/cli.#Test} (..command @@ -222,13 +222,13 @@ {/cli.#Auto auto} (do ! [?watcher watch.default] - (case ?watcher + (when ?watcher {try.#Failure error} (..fail! error) {try.#Success watcher} (..command - (case auto + (when auto {/cli.#Build} (..with_dependencies ..environment console (/command/auto.do! /command/auto.delay watcher /command/build.do!) profile) {/cli.#Test} (..with_dependencies ..environment console (/command/auto.do! /command/auto.delay watcher /command/test.do!) profile)))))) )))))) diff --git a/stdlib/source/program/aedifex/artifact/snapshot.lux b/stdlib/source/program/aedifex/artifact/snapshot.lux index 6b6e97124..df36e1d0d 100644 --- a/stdlib/source/program/aedifex/artifact/snapshot.lux +++ b/stdlib/source/program/aedifex/artifact/snapshot.lux @@ -59,7 +59,7 @@ (def .public (format snapshot) (-> Snapshot XML) (<| {xml.#Node .. xml.attributes} - (case snapshot + (when snapshot {#Local} (list ..local_copy_format) diff --git a/stdlib/source/program/aedifex/artifact/snapshot/version/value.lux b/stdlib/source/program/aedifex/artifact/snapshot/version/value.lux index 54d190c44..51a571ab8 100644 --- a/stdlib/source/program/aedifex/artifact/snapshot/version/value.lux +++ b/stdlib/source/program/aedifex/artifact/snapshot/version/value.lux @@ -31,7 +31,7 @@ (def .public (format (open "/[0]")) (%.Format Value) - (case /#snapshot + (when /#snapshot {///.#Local} /#version diff --git a/stdlib/source/program/aedifex/command/auto.lux b/stdlib/source/program/aedifex/command/auto.lux index 4e4871f52..a5f02d37f 100644 --- a/stdlib/source/program/aedifex/command/auto.lux +++ b/stdlib/source/program/aedifex/command/auto.lux @@ -64,7 +64,7 @@ (do ! [_ (..pause delay) events (at watcher poll [])] - (case events + (when events {.#Item _} (do ! [_ ] diff --git a/stdlib/source/program/aedifex/command/build.lux b/stdlib/source/program/aedifex/command/build.lux index 503fd5f1c..20492bf69 100644 --- a/stdlib/source/program/aedifex/command/build.lux +++ b/stdlib/source/program/aedifex/command/build.lux @@ -100,9 +100,9 @@ (def (lux resolution lux_dependency) (-> Resolution Dependency (Try [Resolution Lux])) (let [[[lux_group lux_name lux_version] lux_type] lux_dependency] - (case (..dependency_finder lux_group lux_name resolution) + (when (..dependency_finder lux_group lux_name resolution) {.#Some dependency} - (case lux_name + (when lux_name (^.with_template [ ] [ {try.#Success [(..remove_dependency dependency resolution) @@ -148,7 +148,7 @@ (def (< left right) (loop (again [left (text.all_split_by ..version_separator left) right (text.all_split_by ..version_separator right)]) - (case [left right] + (when [left right] [{.#Item leftH leftT} {.#Item rightH rightT}] (if (text#= leftH rightH) (again leftT rightT) @@ -175,7 +175,7 @@ identity [(the ///artifact.#group artifact) (the ///artifact.#name artifact)] version (the ///artifact.#version artifact)] - (case (dictionary.value identity uniques) + (when (dictionary.value identity uniques) {.#Some [current_version current_path]} (if (at version_order < version current_version) (dictionary.has identity [version dependency] uniques) @@ -213,7 +213,7 @@ (async.async [])) _ (|> (at process []) (async.upon! (function (again ?line) - (case ?line + (when ?line {try.#Failure error} (if (exception.match? shell.no_more_output error) (write! {try.#Success []}) @@ -222,7 +222,7 @@ {try.#Success line} (async.upon! (function (_ outcome) - (case outcome + (when outcome {try.#Failure error} (write! {try.#Failure error}) @@ -264,7 +264,7 @@ (def .public (with_jvm_class_path host_dependencies runtime) (-> (List Path) ///runtime.Runtime ///runtime.Runtime) - (case host_dependencies + (when host_dependencies {.#End} runtime @@ -279,7 +279,7 @@ (-> (Console Async) (Environment Async) (file.System Async) (Shell Async) Resolution (Command [Exit Lux Path])) (function (_ profile) (let [target (the ///.#target profile)] - (case (the ///.#program profile) + (when (the ///.#program profile) {.#None} (async#in (exception.except ..no_specified_program [])) @@ -292,7 +292,7 @@ [[resolution lux] (async#in (..lux resolution (the ///.#lux profile))) .let [host_dependencies (..host_dependencies fs home resolution) [[command_environment command lux_params] output] - (case lux + (when lux {#JVM dependency} [(|> (the ///.#java profile) (has ///runtime.#parameters (list "program._")) @@ -320,7 +320,7 @@ (..plural "--compiler" (list#each compiler.format (the ///.#compilers profile))) (..plural "--source" (set.list (the ///.#sources profile))) (..singular "--target" cache_directory) - (case program_module + (when program_module "" (..singular "--module" program_definition) _ (list#composite (..singular "--module" program_module) (..singular "--program" program_definition))) diff --git a/stdlib/source/program/aedifex/command/deploy/release.lux b/stdlib/source/program/aedifex/command/deploy/release.lux index d7394d7a3..88303069a 100644 --- a/stdlib/source/program/aedifex/command/deploy/release.lux +++ b/stdlib/source/program/aedifex/command/deploy/release.lux @@ -81,7 +81,7 @@ archive.empty {.#None}) try.trusted - (pipe.case + (pipe.when {.#Left it} it diff --git a/stdlib/source/program/aedifex/command/install.lux b/stdlib/source/program/aedifex/command/install.lux index 67739203a..b28e2b275 100644 --- a/stdlib/source/program/aedifex/command/install.lux +++ b/stdlib/source/program/aedifex/command/install.lux @@ -52,7 +52,7 @@ (def .public (do! console fs local profile) (-> (Console Async) (file.System Async) (Repository Async) (Command Any)) - (case (the /.#identity profile) + (when (the /.#identity profile) {.#Some identity} (do ///action.monad [package (|> profile diff --git a/stdlib/source/program/aedifex/command/test.lux b/stdlib/source/program/aedifex/command/test.lux index 16a2694d4..f22372abf 100644 --- a/stdlib/source/program/aedifex/command/test.lux +++ b/stdlib/source/program/aedifex/command/test.lux @@ -49,7 +49,7 @@ [_ (is (Async (Try Any)) (console.write_line ..start console)) .let [host_dependencies (//build.host_dependencies fs home resolution) - [command_environment test_command test_parameters] (case compiler + [command_environment test_command test_parameters] (when compiler {//build.#JVM dependency} (|> program (///runtime.for (the ///.#java profile)) diff --git a/stdlib/source/program/aedifex/dependency/deployment.lux b/stdlib/source/program/aedifex/dependency/deployment.lux index 40d7e2532..c74eac1ee 100644 --- a/stdlib/source/program/aedifex/dependency/deployment.lux +++ b/stdlib/source/program/aedifex/dependency/deployment.lux @@ -53,12 +53,12 @@ (at repository upload (format artifact extension)))))] (do [! (try.with async.monad)] [_ (at repository upload artifact data)] - (case status + (when status {///dependency/status.#Unverified} (in []) {///dependency/status.#Partial partial} - (case partial + (when partial {.#Left sha-1} (deploy_hash ///hash.sha-1_codec ///artifact/extension.sha-1 sha-1) @@ -75,12 +75,12 @@ (with_expansions [ (format type ///artifact/extension.sha-1) (format type ///artifact/extension.md5)] (list.partial type - (case status + (when status {///dependency/status.#Unverified} (list) {///dependency/status.#Partial partial} - (list (case partial + (list (when partial {.#Left _} {.#Right _} )) @@ -96,7 +96,7 @@ snapshot (|> snapshot (revised [///metadata/snapshot.#versioning ///artifact/versioning.#snapshot] (function (_ snapshot) - (case snapshot + (when snapshot {///artifact/snapshot.#Local} {///artifact/snapshot.#Local} diff --git a/stdlib/source/program/aedifex/dependency/resolution.lux b/stdlib/source/program/aedifex/dependency/resolution.lux index ae075b5b0..81eb16502 100644 --- a/stdlib/source/program/aedifex/dependency/resolution.lux +++ b/stdlib/source/program/aedifex/dependency/resolution.lux @@ -84,7 +84,7 @@ (Async (Try (Maybe (Hash h)))))) (do async.monad [?actual (at repository download (///repository/remote.uri version_template artifact extension))] - (case ?actual + (when ?actual {try.#Success actual} (in (do [! try.monad] [output (at ! each (|>> ffi.as_string java/lang/String::trim ffi.of_string) @@ -111,7 +111,7 @@ ?md5 (..verified_hash data repository version_template artifact (format extension ///artifact/extension.md5) ///hash.md5 ///hash.md5_codec ..md5_does_not_match)] - (in [data (case [?sha-1 ?md5] + (in [data (when [?sha-1 ?md5] [{.#Some sha-1} {.#Some md5}] {//status.#Verified sha-1 md5} @@ -178,7 +178,7 @@ (def .public (any console repositories dependency) (-> (Console Async) (List (Repository Async)) Dependency (Async (Try Package))) - (case repositories + (when repositories {.#End} (|> dependency (exception.except ..cannot_resolve) @@ -188,7 +188,7 @@ (do [! async.monad] [_ (..announce_fetching console repository (the //.#artifact dependency)) outcome (..one repository dependency)] - (case outcome + (when outcome {try.#Success package} (do ! [_ (..announce_success console repository (the //.#artifact dependency))] @@ -209,13 +209,13 @@ failures (is (List Dependency) (list)) dependencies dependencies resolution resolution]) - (case dependencies + (when dependencies {.#End} (at async.monad in [successes failures resolution]) {.#Item head tail} - (case (the [//.#artifact ///artifact.#version] head) + (when (the [//.#artifact ///artifact.#version] head) ... Skip if there is no version "" (again repositories successes @@ -224,13 +224,13 @@ resolution) _ (do [! async.monad] [?package (is (Async (Try Package)) - (case (dictionary.value head resolution) + (when (dictionary.value head resolution) {.#Some package} (in {try.#Success package}) {.#None} (..any console repositories head)))] - (case ?package + (when ?package {try.#Success package} (do ! [.let [redundant? (is (Predicate Dependency) diff --git a/stdlib/source/program/aedifex/format.lux b/stdlib/source/program/aedifex/format.lux index 5eb32d757..594b91014 100644 --- a/stdlib/source/program/aedifex/format.lux +++ b/stdlib/source/program/aedifex/format.lux @@ -30,7 +30,7 @@ (Format /.License) (`' [#name (, (code.text name)) #url (, (code.text url)) - #type (, (case type + #type (, (when type {/.#Repo} (' "repo") @@ -44,7 +44,7 @@ (def (developer [name url organization]) (Format /.Developer) - (case organization + (when organization {.#None} (`' [#name (, (code.text name)) #url (, (code.text url))]) @@ -76,7 +76,7 @@ (def (on_maybe field value format aggregate) (All (_ a) (-> Text (Maybe a) (Format a) Aggregate Aggregate)) - (case value + (when value {.#None} aggregate @@ -86,7 +86,7 @@ (def (on_list field value format aggregate) (All (_ a) (-> Text (List a) (Format a) Aggregate Aggregate)) - (case value + (when value {.#End} aggregate diff --git a/stdlib/source/program/aedifex/hash.lux b/stdlib/source/program/aedifex/hash.lux index 4506720a1..eedf5e464 100644 --- a/stdlib/source/program/aedifex/hash.lux +++ b/stdlib/source/program/aedifex/hash.lux @@ -60,7 +60,7 @@ (Format Binary) (binary.mix (function (_ byte representation) (let [hex (at n.hex encoded byte) - hex (case (text.size hex) + hex (when (text.size hex) 1 (format "0" hex) _ hex)] (format representation hex))) @@ -128,7 +128,7 @@ chunk 0 output (binary.empty hash_size)]) (let [index (n.* chunk i64.bytes_per_i64)] - (case (text.split_at ..hex_per_chunk input) + (when (text.split_at ..hex_per_chunk input) {.#Some [head tail]} (do try.monad [head (at n.hex decoded head) @@ -136,7 +136,7 @@ (again tail (++ chunk) output)) {.#None} - (case (..hash_size input) + (when (..hash_size input) 0 (constructor output) (^.with_template [ ] [ diff --git a/stdlib/source/program/aedifex/input.lux b/stdlib/source/program/aedifex/input.lux index 509d8e16f..cf65de5b6 100644 --- a/stdlib/source/program/aedifex/input.lux +++ b/stdlib/source/program/aedifex/input.lux @@ -34,7 +34,7 @@ (let [parse (syntax.parse "" syntax.no_aliases (text.size source_code))] - (case (parse [location.dummy 0 source_code]) + (when (parse [location.dummy 0 source_code]) {.#Left [_ error]} {try.#Failure error} diff --git a/stdlib/source/program/aedifex/metadata/artifact.lux b/stdlib/source/program/aedifex/metadata/artifact.lux index 5df1ae3a7..61fa4f9bb 100644 --- a/stdlib/source/program/aedifex/metadata/artifact.lux +++ b/stdlib/source/program/aedifex/metadata/artifact.lux @@ -179,7 +179,7 @@ (-> (Repository Async) Artifact (Async (Try Metadata))) (do async.monad [project (at repository download (..uri artifact))] - (case project + (when project {try.#Success binary_metadata} (in (|> binary_metadata (pipe.do try.monad diff --git a/stdlib/source/program/aedifex/metadata/snapshot.lux b/stdlib/source/program/aedifex/metadata/snapshot.lux index 7b3e4d5d0..63000bac4 100644 --- a/stdlib/source/program/aedifex/metadata/snapshot.lux +++ b/stdlib/source/program/aedifex/metadata/snapshot.lux @@ -98,7 +98,7 @@ (revised ///artifact/versioning.#versions (is (-> (List ///artifact/snapshot/version.Version) (List ///artifact/snapshot/version.Version)) - (|>> (pipe.case + (|>> (pipe.when (list) (list ) @@ -127,7 +127,7 @@ (-> (Repository Async) Artifact (Async (Try Metadata))) (do async.monad [project (at repository download (..uri artifact))] - (case project + (when project {try.#Success project} (in (|> project (pipe.do try.monad diff --git a/stdlib/source/program/aedifex/package.lux b/stdlib/source/program/aedifex/package.lux index cf4aa1e49..70f925d84 100644 --- a/stdlib/source/program/aedifex/package.lux +++ b/stdlib/source/program/aedifex/package.lux @@ -36,7 +36,7 @@ (with_template [ ] [(def .public ( package) (-> Package Bit) - (case (the #origin package) + (when (the #origin package) { _} true diff --git a/stdlib/source/program/aedifex/pom.lux b/stdlib/source/program/aedifex/pom.lux index c87dcabaf..eed536317 100644 --- a/stdlib/source/program/aedifex/pom.lux +++ b/stdlib/source/program/aedifex/pom.lux @@ -65,7 +65,7 @@ (def distribution (-> /.Distribution XML) - (|>> (pipe.case + (|>> (pipe.when {/.#Repo} "repo" {/.#Manual} "manual") (..property "distribution"))) @@ -141,7 +141,7 @@ (def .public (write value) (-> /.Profile (Try XML)) - (case (the /.#identity value) + (when (the /.#identity value) {.#Some identity} {try.#Success {xml.#Node ["" ..project_tag] xml.attributes diff --git a/stdlib/source/program/aedifex/profile.lux b/stdlib/source/program/aedifex/profile.lux index 627073d79..fa00bc64c 100644 --- a/stdlib/source/program/aedifex/profile.lux +++ b/stdlib/source/program/aedifex/profile.lux @@ -52,7 +52,7 @@ (Equivalence Distribution) (implementation (def (= reference subject) - (case [reference subject] + (when [reference subject] (^.with_template [] [[{} {}] true]) diff --git a/stdlib/source/program/aedifex/project.lux b/stdlib/source/program/aedifex/project.lux index d94a31b48..2f4d853af 100644 --- a/stdlib/source/program/aedifex/project.lux +++ b/stdlib/source/program/aedifex/project.lux @@ -53,9 +53,9 @@ (def (profile' lineage project name) (-> (Set Name) Project Name (Try Profile)) - (case (dictionary.value name project) + (when (dictionary.value name project) {.#Some profile} - (case (list.example (set.member? lineage) + (when (list.example (set.member? lineage) (the //.#parents profile)) {.#Some ouroboros} (exception.except ..circular_dependency [ouroboros name]) diff --git a/stdlib/source/program/aedifex/repository.lux b/stdlib/source/program/aedifex/repository.lux index bd1d23d3e..ea0507bcf 100644 --- a/stdlib/source/program/aedifex/repository.lux +++ b/stdlib/source/program/aedifex/repository.lux @@ -56,7 +56,7 @@ (stm.commit! (do [! stm.monad] [|state| (stm.read state)] - (case (at mock on_download uri |state|) + (when (at mock on_download uri |state|) {try.#Success [|state| output]} (do ! [_ (stm.write |state| state)] @@ -69,7 +69,7 @@ (stm.commit! (do [! stm.monad] [|state| (stm.read state)] - (case (at mock on_upload uri content |state|) + (when (at mock on_upload uri content |state|) {try.#Success |state|} (do ! [_ (stm.write |state| state)] diff --git a/stdlib/source/program/aedifex/repository/local.lux b/stdlib/source/program/aedifex/repository/local.lux index af9b502aa..dcc604306 100644 --- a/stdlib/source/program/aedifex/repository/local.lux +++ b/stdlib/source/program/aedifex/repository/local.lux @@ -55,7 +55,7 @@ _ (is (Async (Try Any)) (if ? (in {try.#Success []}) - (case (file.parent fs absolute_path) + (when (file.parent fs absolute_path) {.#Some parent} (file.make_directories async.monad fs parent) diff --git a/stdlib/source/program/aedifex/repository/remote.lux b/stdlib/source/program/aedifex/repository/remote.lux index 10b7f372d..bb89a6235 100644 --- a/stdlib/source/program/aedifex/repository/remote.lux +++ b/stdlib/source/program/aedifex/repository/remote.lux @@ -67,7 +67,7 @@ (http.headers ..base_headers) {.#None} http))] - (case status + (when status http/status.ok (at ! each product.right ((the @http.#body message) {.#None})) @@ -80,7 +80,7 @@ (do (try.with io.monad) [[status message] (is (IO (Try (@http.Response IO))) (http.put (format address uri) - (http.headers (case identity + (http.headers (when identity {.#None} ..base_headers @@ -90,7 +90,7 @@ {.#Some content} http)) _ ((the @http.#body message) {.#Some 0})] - (case status + (when status http/status.created (in []) diff --git a/stdlib/source/program/compositor.lux b/stdlib/source/program/compositor.lux index 108325fd7..313939963 100644 --- a/stdlib/source/program/compositor.lux +++ b/stdlib/source/program/compositor.lux @@ -62,7 +62,7 @@ (-> Text (Async (Try a)) (Async a))) (do [! async.monad] [?output action] - (case ?output + (when ?output {try.#Failure error} (let [report (format text.new_line failure_description text.new_line @@ -70,7 +70,7 @@ (do ! [_ (with_expansions [ (in {try.#Success (debug.log! report)})] (for @.js (is (Async (Try Any)) - (case console.default + (when console.default {.#None} @@ -97,9 +97,9 @@ (def (package! fs host_dependencies [packager package] archive context) (-> (file.System Async) (Dictionary file.Path Binary) [Packager file.Path] Archive (Maybe unit.ID) (Async (Try Any))) - (case (packager host_dependencies archive context) + (when (packager host_dependencies archive context) {try.#Success content} - (case content + (when content {.#Left content} (at fs write package content) @@ -121,7 +121,7 @@ (loop (again [pending host_dependencies output (is (Dictionary file.Path Binary) (dictionary.empty text.hash))]) - (case pending + (when pending {.#End} (in output) @@ -152,7 +152,7 @@ (Async Any))) (do [! async.monad] [platform (async.future platform)] - (case service + (when service {cli.#Compilation compilation} (<| (or_crash! "Compilation failed:") ..timed diff --git a/stdlib/source/specification/aedifex/repository.lux b/stdlib/source/specification/aedifex/repository.lux index f5f278e7c..3d8b90459 100644 --- a/stdlib/source/specification/aedifex/repository.lux +++ b/stdlib/source/specification/aedifex/repository.lux @@ -40,7 +40,7 @@ bad_download! (at subject download bad_uri)] (unit.coverage [/.Repository] (let [successfull_flow! - (case [good_upload! good_download!] + (when [good_upload! good_download!] [{try.#Success _} {try.#Success actual}] (at binary.equivalence = expected actual) @@ -48,7 +48,7 @@ false) failed_flow! - (case [bad_upload! bad_download!] + (when [bad_upload! bad_download!] [{try.#Failure _} {try.#Failure _}] true diff --git a/stdlib/source/specification/compositor.lux b/stdlib/source/specification/compositor.lux index 1caf89d56..8526daba4 100644 --- a/stdlib/source/specification/compositor.lux +++ b/stdlib/source/specification/compositor.lux @@ -27,7 +27,7 @@ ["[1][0]" primitive] ["[1][0]" structure] ["[1][0]" reference] - ["[1][0]" case] + ["[1][0]" when] ["[1][0]" function] ["[1][0]" common]]]) @@ -38,7 +38,7 @@ (/generation/primitive.spec runner) (/generation/structure.spec runner) (/generation/reference.spec runner definer) - (/generation/case.spec runner) + (/generation/when.spec runner) (/generation/function.spec runner) (/generation/common.spec runner) )) @@ -59,7 +59,7 @@ bundle expander program))]] - (case ?state,runner,definer + (when ?state,runner,definer {try.#Success [[declaration_bundle declaration_state] runner definer]} (..test runner definer (the [declaration.#analysis declaration.#state] declaration_state) diff --git a/stdlib/source/specification/compositor/analysis/type.lux b/stdlib/source/specification/compositor/analysis/type.lux index acd970ebc..3eab3d50d 100644 --- a/stdlib/source/specification/compositor/analysis/type.lux +++ b/stdlib/source/specification/compositor/analysis/type.lux @@ -27,7 +27,7 @@ (analysis/type.with_type output_type (analysis.phase expander (` ((, (code.text extension)) (,* params)))))) (phase.result state) - (pipe.case + (pipe.when {try.#Success _} true diff --git a/stdlib/source/specification/compositor/generation/case.lux b/stdlib/source/specification/compositor/generation/case.lux index ba1168ad0..8043bd2e0 100644 --- a/stdlib/source/specification/compositor/generation/case.lux +++ b/stdlib/source/specification/compositor/generation/case.lux @@ -1,6 +1,6 @@ (.require [library - [lux (.except case) + [lux (.except when) [abstract [monad (.only do)]] [control @@ -23,7 +23,7 @@ ["[0]" synthesis (.only Path Synthesis)] ["[0]" phase ["[1]/[0]" synthesis - ["[0]" case]] + ["[0]" when]] ["[0]" extension/synthesis]]]] [test ["_" property (.only Test)]]]] @@ -42,16 +42,16 @@ (def .public (verify expected) (-> Frac (Try Any) Bit) - (|>> (pipe.case + (|>> (pipe.when {try.#Success actual} (f.= expected (as Frac actual)) {try.#Failure _} false))) -(def case +(def when (Random [Synthesis Path]) - (<| r.rec (function (_ case)) + (<| r.rec (function (_ when)) (`` (all r.either (do r.monad [value r.i64] @@ -70,33 +70,33 @@ (do [! r.monad] [size ..size idx (|> r.nat (at ! each (n.% size))) - [subS subP] case + [subS subP] when .let [unitS (synthesis.text synthesis.unit) - caseS (synthesis.tuple + whenS (synthesis.tuple (list.together (list (list.repeated idx unitS) (list subS) (list.repeated (|> size -- (n.- idx)) unitS)))) - caseP (all synthesis.path/seq + whenP (all synthesis.path/seq (if (tail? size idx) (synthesis.member/right idx) (synthesis.member/left idx)) subP)]] - (in [caseS caseP])) + (in [whenS whenP])) (do [! r.monad] [size ..size idx (|> r.nat (at ! each (n.% size))) - [subS subP] case + [subS subP] when .let [right? (tail? size idx) - caseS (synthesis.variant + whenS (synthesis.variant [analysis.#lefts idx analysis.#right? right? analysis.#value subS]) - caseP (all synthesis.path/seq + whenP (all synthesis.path/seq (if right? (synthesis.side/right idx) (synthesis.side/left idx)) subP)]] - (in [caseS caseP])) + (in [whenS whenP])) )))) (def (let_spec run) @@ -123,21 +123,21 @@ (run "if_spec") (verify (if verdict on_true on_false)))))) -(def (case_spec run) +(def (when_spec run) (-> Runner Test) (do r.monad - [[inputS pathS] ..case + [[inputS pathS] ..when on_success r.safe_frac on_failure (|> r.safe_frac (r.only (|>> (f.= on_success) not)))] - (_.test (%.symbol (symbol synthesis.branch/case)) - (|> (synthesis.branch/case + (_.test (%.symbol (symbol synthesis.branch/when)) + (|> (synthesis.branch/when [inputS (all synthesis.path/alt (all synthesis.path/seq pathS (synthesis.path/then (synthesis.f64 on_success))) (synthesis.path/then (synthesis.f64 on_failure)))]) - (run "case_spec") + (run "when_spec") (verify on_success))))) (def special_input @@ -233,7 +233,7 @@ (<| try.trusted (phase.result [extension/synthesis.bundle synthesis.init]) - (case.path phase/synthesis.phase + (when.path phase/synthesis.phase special_pattern) (analysis.bit #1)) (all synthesis.path/seq @@ -252,27 +252,27 @@ (_.test "CODE" (|> special_input (run "special_input") - (pipe.case + (pipe.when {try.#Success output} true {try.#Failure _} false))) (_.test "PATTERN_MATCHING 0" - (|> (synthesis.branch/case [special_input + (|> (synthesis.branch/when [special_input special_path]) (run "special_path") - (pipe.case + (pipe.when {try.#Success output} true {try.#Failure _} false))) (_.test "PATTERN_MATCHING 1" - (|> (synthesis.branch/case [special_input + (|> (synthesis.branch/when [special_input special_pattern_path]) (run "special_pattern_path") - (pipe.case + (pipe.when {try.#Success output} true @@ -286,5 +286,5 @@ (..special_spec run) (..let_spec run) (..if_spec run) - (..case_spec run) + (..when_spec run) )) diff --git a/stdlib/source/specification/compositor/generation/common.lux b/stdlib/source/specification/compositor/generation/common.lux index e203a6098..b0f1c2390 100644 --- a/stdlib/source/specification/compositor/generation/common.lux +++ b/stdlib/source/specification/compositor/generation/common.lux @@ -28,7 +28,7 @@ [test ["_" property (.only Test)]]]] ["[0]" // - ["[1][0]" case] + ["[1][0]" when] [// [common (.only Runner)]]]) @@ -46,7 +46,7 @@ (|> {synthesis.#Extension (list (synthesis.i64 param) (synthesis.i64 subject))} (run (..safe )) - (pipe.case + (pipe.when {try.#Success valueT} (n.= ( param subject) (as Nat valueT)) @@ -67,7 +67,7 @@ (list (synthesis.i64 subject) (synthesis.i64 param))} (run (..safe "lux i64 arithmetic-right-shift")) - (pipe.case + (pipe.when {try.#Success valueT} ("lux i64 =" (i64.arithmetic_right_shifted param subject) @@ -88,7 +88,7 @@ [(_.test (|> {synthesis.#Extension (list (synthesis.i64 subject))} (run (..safe )) - (pipe.case + (pipe.when {try.#Success valueT} ( ( subject) (as valueT)) @@ -107,7 +107,7 @@ (|> {synthesis.#Extension (list (synthesis.i64 param) (synthesis.i64 subject))} (run (..safe )) - (pipe.case + (pipe.when {try.#Success valueT} ( ( param subject) (as valueT)) @@ -139,7 +139,7 @@ (|> {synthesis.#Extension (list (synthesis.f64 param) (synthesis.f64 subject))} (run (..safe )) - (//case.verify ( param subject))))] + (//when.verify ( param subject))))] ["lux f64 +" f.+ f.=] ["lux f64 -" f.- f.=] @@ -152,7 +152,7 @@ (|> {synthesis.#Extension (list (synthesis.f64 param) (synthesis.f64 subject))} (run (..safe )) - (pipe.case + (pipe.when {try.#Success valueV} (bit#= ( param subject) (as Bit valueV)) @@ -167,7 +167,7 @@ [(_.test (|> {synthesis.#Extension (list)} (run (..safe )) - (//case.verify )))] + (//when.verify )))] ["lux f64 min" ("lux f64 min")] ["lux f64 max" ("lux f64 max")] @@ -178,7 +178,7 @@ (|> subject synthesis.f64 (list) {synthesis.#Extension "lux f64 i64"} (list) {synthesis.#Extension "lux i64 f64"})) - (//case.verify subject))) + (//when.verify subject))) )))) (def (text run) @@ -202,7 +202,7 @@ (_.test "Can compare texts for equality." (and (|> {synthesis.#Extension "lux text =" (list sample_lowerS sample_lowerS)} (run (..safe "lux text =")) - (pipe.case + (pipe.when {try.#Success valueV} (as Bit valueV) @@ -210,7 +210,7 @@ false)) (|> {synthesis.#Extension "lux text =" (list sample_upperS sample_lowerS)} (run (..safe "lux text =")) - (pipe.case + (pipe.when {try.#Success valueV} (not (as Bit valueV)) @@ -219,7 +219,7 @@ (_.test "Can compare texts for order." (|> {synthesis.#Extension "lux text <" (list sample_lowerS sample_upperS)} (run (..safe "lux text <")) - (pipe.case + (pipe.when {try.#Success valueV} (as Bit valueV) @@ -228,7 +228,7 @@ (_.test "Can get length of text." (|> {synthesis.#Extension "lux text size" (list sample_lowerS)} (run (..safe "lux text size")) - (pipe.case + (pipe.when {try.#Success valueV} (n.= sample_size (as Nat valueV)) @@ -237,7 +237,7 @@ (_.test "Can concatenate text." (|> {synthesis.#Extension "lux text size" (list concatenatedS)} (run (..safe "lux text size")) - (pipe.case + (pipe.when {try.#Success valueV} (n.= (n.* 2 sample_size) (as Nat valueV)) @@ -248,7 +248,7 @@ (list concatenatedS sample_lowerS (synthesis.i64 +0))} (run (..safe "lux text index")) - (pipe.case + (pipe.when (^.multi {try.#Success valueV} [(as (Maybe Nat) valueV) {.#Some valueV}]) @@ -260,7 +260,7 @@ (list concatenatedS sample_upperS (synthesis.i64 +0))} (run (..safe "lux text index")) - (pipe.case + (pipe.when (^.multi {try.#Success valueV} [(as (Maybe Nat) valueV) {.#Some valueV}]) @@ -275,7 +275,7 @@ (synthesis.i64 offset) (synthesis.i64 length))} (run (..safe "lux text clip")) - (pipe.case + (pipe.when (^.multi {try.#Success valueV} [(as (Maybe Text) valueV) {.#Some valueV}]) @@ -291,7 +291,7 @@ (list sample_lowerS (synthesis.i64 char_idx))} (run (..safe "lux text char")) - (pipe.case + (pipe.when (^.multi {try.#Success valueV} [(as (Maybe Int) valueV) {.#Some valueV}]) @@ -311,7 +311,7 @@ (|> {synthesis.#Extension "lux io log" (list (synthesis.text (format "LOG: " message)))} (run (..safe "lux io log")) - (pipe.case + (pipe.when {try.#Success valueV} true @@ -325,7 +325,7 @@ synthesis.#body {synthesis.#Extension "lux io error" (list (synthesis.text message))}]))} (run (..safe "lux try")) - (pipe.case + (pipe.when (^.multi {try.#Success valueV} [(as (Try Text) valueV) {try.#Failure error}]) @@ -339,7 +339,7 @@ synthesis.#arity 1 synthesis.#body (synthesis.text message)]))} (run (..safe "lux try")) - (pipe.case + (pipe.when (^.multi {try.#Success valueV} [(as (Try Text) valueV) {try.#Success valueV}]) diff --git a/stdlib/source/specification/compositor/generation/primitive.lux b/stdlib/source/specification/compositor/generation/primitive.lux index 43637f7a2..b9aebc000 100644 --- a/stdlib/source/specification/compositor/generation/primitive.lux +++ b/stdlib/source/specification/compositor/generation/primitive.lux @@ -36,7 +36,7 @@ [expected ] (_.test (%.symbol (symbol )) (|> (run ( expected)) - (pipe.case + (pipe.when {try.#Success actual} ( expected (as_expected actual)) diff --git a/stdlib/source/specification/compositor/generation/reference.lux b/stdlib/source/specification/compositor/generation/reference.lux index 5e7516f20..ce0d00d1a 100644 --- a/stdlib/source/specification/compositor/generation/reference.lux +++ b/stdlib/source/specification/compositor/generation/reference.lux @@ -33,7 +33,7 @@ expected r.safe_frac] (_.test "Definitions." (|> (define name (synthesis.f64 expected)) - (pipe.case + (pipe.when {try.#Success actual} (f.= expected (as Frac actual)) @@ -50,7 +50,7 @@ register (synthesis.variable/local register)]) (run "variable") - (pipe.case + (pipe.when {try.#Success actual} (f.= expected (as Frac actual)) diff --git a/stdlib/source/specification/compositor/generation/structure.lux b/stdlib/source/specification/compositor/generation/structure.lux index 9ab5d02f2..acf9888e8 100644 --- a/stdlib/source/specification/compositor/generation/structure.lux +++ b/stdlib/source/specification/compositor/generation/structure.lux @@ -44,7 +44,7 @@ analysis.#right? last?_in analysis.#value (synthesis.i64 value_in)]) (run "variant") - (pipe.case + (pipe.when {try.#Success valueT} (let [valueT (as (Array Any) valueT)] (and (n.= 3 (array.size valueT)) @@ -52,7 +52,7 @@ last?_out (array.read! 1 valueT) value_out (as Any (maybe.trusted (array.read! 2 valueT))) same_tag? (|> tag_out ffi.int_to_long (as Nat) (n.= tag_in)) - same_flag? (case last?_out + same_flag? (when last?_out {.#Some last?_out'} (and last?_in (text#= "" (as Text last?_out'))) @@ -74,7 +74,7 @@ (_.test (%.symbol (symbol synthesis.tuple)) (|> (synthesis.tuple (list#each (|>> synthesis.i64) tuple_in)) (run "tuple") - (pipe.case + (pipe.when {try.#Success tuple_out} (let [tuple_out (as (Array Any) tuple_out)] (and (n.= size (array.size tuple_out)) diff --git a/stdlib/source/specification/lux/abstract/codec.lux b/stdlib/source/specification/lux/abstract/codec.lux index c2dd86e90..80fa0d327 100644 --- a/stdlib/source/specification/lux/abstract/codec.lux +++ b/stdlib/source/specification/lux/abstract/codec.lux @@ -20,7 +20,7 @@ [expected generator] (_.for [/.Codec] (_.test "Isomorphism." - (case (|> expected @//encoded @//decoded) + (when (|> expected @//encoded @//decoded) {try.#Success actual} (@//= expected actual) diff --git a/stdlib/source/specification/lux/world/console.lux b/stdlib/source/specification/lux/world/console.lux index 9fc830fd2..3fbdc42af 100644 --- a/stdlib/source/specification/lux/world/console.lux +++ b/stdlib/source/specification/lux/world/console.lux @@ -32,7 +32,7 @@ ?close/bad (at console close []) .let [can_write! - (case ?write + (when ?write {try.#Success _} true @@ -40,7 +40,7 @@ false) can_read! - (case [?read ?read_line] + (when [?read ?read_line] [{try.#Success _} {try.#Success _}] true @@ -48,7 +48,7 @@ false) can_close! - (case [?close/good ?close/bad] + (when [?close/good ?close/bad] [{try.#Success _} {try.#Failure _}] true diff --git a/stdlib/source/specification/lux/world/file.lux b/stdlib/source/specification/lux/world/file.lux index b70555b6f..648449050 100644 --- a/stdlib/source/specification/lux/world/file.lux +++ b/stdlib/source/specification/lux/world/file.lux @@ -66,7 +66,7 @@ made? (at fs make_directory parent) directory_post! (at fs directory? parent)] (in (and (not directory_pre!) - (case made? + (when made? {try.#Success _} true {try.#Failure _} false) directory_post!)))) @@ -78,7 +78,7 @@ made? (at fs write path content) file_post! (at fs file? path)] (in (and (not file_pre!) - (case made? + (when made? {try.#Success _} true {try.#Failure _} false) file_post!)))) @@ -235,20 +235,20 @@ (and (not pre_dir/0) (not pre_dir/1) (not pre_dir/2) - (case made? + (when made? {try.#Success _} true {try.#Failure _} false) post_dir/0 post_dir/1 post_dir/2)) (unit.coverage [/.cannot_make_directory] - (and (case cannot_make_directory!/0 + (and (when cannot_make_directory!/0 {try.#Success _} false {try.#Failure error} (exception.match? /.cannot_make_directory error)) - (case cannot_make_directory!/1 + (when cannot_make_directory!/1 {try.#Success _} false @@ -267,11 +267,11 @@ make_file!/1 (/.make_file ! fs (utf8#encoded file/0) file/0)]) (all unit.and (unit.coverage [/.make_file] - (case make_file!/0 + (when make_file!/0 {try.#Success _} true {try.#Failure error} false)) (unit.coverage [/.cannot_make_file] - (case make_file!/1 + (when make_file!/1 {try.#Success _} false @@ -314,10 +314,10 @@ (not pre_dir/0) (not pre_dir/1) - (case made_file? + (when made_file? {try.#Success _} true {try.#Failure _} false) - (case made_dir? + (when made_dir? {try.#Success _} true {try.#Failure _} false) diff --git a/stdlib/source/specification/lux/world/shell.lux b/stdlib/source/specification/lux/world/shell.lux index be41059a0..d552c1bdb 100644 --- a/stdlib/source/specification/lux/world/shell.lux +++ b/stdlib/source/specification/lux/world/shell.lux @@ -54,13 +54,13 @@ (do async.monad [?destroy (at process destroy []) ?await (at process await [])] - (in (and (case ?destroy + (in (and (when ?destroy {try.#Success _} true {try.#Failure error} false) - (case ?await + (when ?await {try.#Success _} false @@ -77,7 +77,7 @@ (in (do [! async.monad] [?echo (at shell execute (..echo! message)) ?sleep (at shell execute (..sleep! seconds))] - (case [?echo ?sleep] + (when [?echo ?sleep] [{try.#Success echo} {try.#Success sleep}] (do ! [can_read! (..can_read! message echo) diff --git a/stdlib/source/test/aedifex/artifact/time/date.lux b/stdlib/source/test/aedifex/artifact/time/date.lux index e50626c79..5efc00d4e 100644 --- a/stdlib/source/test/aedifex/artifact/time/date.lux +++ b/stdlib/source/test/aedifex/artifact/time/date.lux @@ -60,7 +60,7 @@ (try#each (at /.equivalence = expected)) (try.else false))) (_.coverage [/.year_is_out_of_range] - (case (/.date candidate) + (when (/.date candidate) {try.#Success date} (same? candidate (/.value date)) diff --git a/stdlib/source/test/aedifex/cli.lux b/stdlib/source/test/aedifex/cli.lux index a27e90074..b388866c6 100644 --- a/stdlib/source/test/aedifex/cli.lux +++ b/stdlib/source/test/aedifex/cli.lux @@ -53,13 +53,13 @@ (def (compilation_format value) (-> /.Compilation (List Text)) - (case value + (when value {/.#Build} (list "build") {/.#Test} (list "test"))) (def (format value) (-> /.Command (List Text)) - (case value + (when value {/.#Version} (list "version") {/.#Clean} (list "clean") {/.#POM} (list "pom") @@ -77,7 +77,7 @@ (|> expected ..format (cli.result /.command) - (pipe.case + (pipe.when {try.#Success [names actual]} (and (at (list.equivalence text.equivalence) = (list //.default) names) (at /.equivalence = expected actual)) @@ -95,7 +95,7 @@ ..format (list.partial "with" expected_profile) (cli.result /.command) - (pipe.case + (pipe.when {try.#Success [actual_profile actual_command]} (and (at (list.equivalence text.equivalence) = (list expected_profile //.default) actual_profile) (at /.equivalence = expected_command actual_command)) diff --git a/stdlib/source/test/aedifex/command/auto.lux b/stdlib/source/test/aedifex/command/auto.lux index 5dc092327..b202af97f 100644 --- a/stdlib/source/test/aedifex/command/auto.lux +++ b/stdlib/source/test/aedifex/command/auto.lux @@ -110,7 +110,7 @@ fs (shell.async ($build.good_shell [])) resolution) - (at ! each (|>> (pipe.case + (at ! each (|>> (pipe.when {try.#Failure error} (same? end_signal error) diff --git a/stdlib/source/test/aedifex/command/build.lux b/stdlib/source/test/aedifex/command/build.lux index 9aea4828c..c039b6e9c 100644 --- a/stdlib/source/test/aedifex/command/build.lux +++ b/stdlib/source/test/aedifex/command/build.lux @@ -85,7 +85,7 @@ (def (on_read state) (if error? (exception.except shell.no_more_output []) - (case state + (when state {.#Item head tail} {try.#Success [tail head]} @@ -93,7 +93,7 @@ (exception.except shell.no_more_output [])))) (def (on_fail state) (if error? - (case state + (when state {.#Item head tail} {try.#Success [tail head]} @@ -165,7 +165,7 @@ [outcome (/.do! (@version.echo "") (program.async (program.mock environment.empty home working_directory)) fs shell ///dependency/resolution.empty (with_target empty_profile))] (unit.coverage [/.no_specified_program] - (case outcome + (when outcome {try.#Success _} false @@ -174,7 +174,7 @@ (in (do async.monad [outcome (/.do! (@version.echo "") (program.async (program.mock environment.empty home working_directory)) fs shell ///dependency/resolution.empty profile)] (unit.coverage [/.Lux /.no_available_lux] - (case outcome + (when outcome {try.#Success _} false @@ -234,7 +234,7 @@ actual/1 (at console read_line []) actual/2 (at console read_line []) end! (|> (at console read_line []) - (at ! each (|>> (pipe.case + (at ! each (|>> (pipe.when {try.#Failure error} true diff --git a/stdlib/source/test/aedifex/command/pom.lux b/stdlib/source/test/aedifex/command/pom.lux index 32a10f8a3..0d304f19d 100644 --- a/stdlib/source/test/aedifex/command/pom.lux +++ b/stdlib/source/test/aedifex/command/pom.lux @@ -41,7 +41,7 @@ (in (do [! async.monad] [.let [console (@version.echo "")] outcome (/.do! console fs sample)] - (case outcome + (when outcome {try.#Success _} (do ! [verdict (do ///action.monad @@ -64,7 +64,7 @@ {try.#Failure error} (unit.coverage [/.do!] - (case (the ///.#identity sample) + (when (the ///.#identity sample) {.#Some _} false diff --git a/stdlib/source/test/aedifex/dependency/deployment.lux b/stdlib/source/test/aedifex/dependency/deployment.lux index dbc458897..f94ef4421 100644 --- a/stdlib/source/test/aedifex/dependency/deployment.lux +++ b/stdlib/source/test/aedifex/dependency/deployment.lux @@ -69,7 +69,7 @@ (def (request method url headers input) (do io.monad [_ (is (IO Any) - (case [method input] + (when [method input] [{@http.#Put} {.#Some input}] (atom.update! (dictionary.has url input) cache) diff --git a/stdlib/source/test/aedifex/dependency/resolution.lux b/stdlib/source/test/aedifex/dependency/resolution.lux index 6bc81298e..0f353d828 100644 --- a/stdlib/source/test/aedifex/dependency/resolution.lux +++ b/stdlib/source/test/aedifex/dependency/resolution.lux @@ -265,7 +265,7 @@ [///dependency.#artifact expected_artifact ///dependency.#type ///artifact/type.lux_library])] (unit.coverage [/.one] - (case actual_package + (when actual_package {try.#Success actual_package} (at ///package.equivalence = (has ///package.#origin {///repository/origin.#Remote ""} expected_package) @@ -279,7 +279,7 @@ [///dependency.#artifact expected_artifact ///dependency.#type ///artifact/type.lux_library])] (unit.coverage [] - (case actual_package + (when actual_package {try.#Failure error} (exception.match? error) @@ -314,7 +314,7 @@ [///dependency.#artifact expected_artifact ///dependency.#type ///artifact/type.lux_library])] (unit.coverage [/.any] - (case actual_package + (when actual_package {try.#Success actual_package} (at ///package.equivalence = (has ///package.#origin {///repository/origin.#Remote ""} expected_package) @@ -330,7 +330,7 @@ [///dependency.#artifact expected_artifact ///dependency.#type ///artifact/type.lux_library])] (unit.coverage [/.cannot_resolve] - (case actual_package + (when actual_package {try.#Failure error} (exception.match? /.cannot_resolve error) diff --git a/stdlib/source/test/aedifex/dependency/status.lux b/stdlib/source/test/aedifex/dependency/status.lux index b61d35630..85edbdbf8 100644 --- a/stdlib/source/test/aedifex/dependency/status.lux +++ b/stdlib/source/test/aedifex/dependency/status.lux @@ -40,7 +40,7 @@ (do random.monad [payload (binaryT.random 1)] (_.coverage [/.verified] - (case (/.verified payload) + (when (/.verified payload) {/.#Verified sha1 md5} true diff --git a/stdlib/source/test/aedifex/hash.lux b/stdlib/source/test/aedifex/hash.lux index 61cb569fa..7271458b9 100644 --- a/stdlib/source/test/aedifex/hash.lux +++ b/stdlib/source/test/aedifex/hash.lux @@ -50,13 +50,13 @@ [(do random.monad [expected (..random )] (_.coverage [ ] - (and (case ( (/.data expected)) + (and (when ( (/.data expected)) {try.#Success actual} (at /.equivalence = expected actual) {try.#Failure error} false) - (case ( (at binary.monoid composite + (when ( (at binary.monoid composite (/.data expected) (/.data expected))) {try.#Success actual} @@ -81,7 +81,7 @@ [(do random.monad [expected (..random )] (_.coverage [] - (case (at decoded + (when (at decoded (format (at encoded expected) "AABBCC")) {try.#Success actual} diff --git a/stdlib/source/test/aedifex/metadata/artifact.lux b/stdlib/source/test/aedifex/metadata/artifact.lux index f67d1e130..f2d430fb2 100644 --- a/stdlib/source/test/aedifex/metadata/artifact.lux +++ b/stdlib/source/test/aedifex/metadata/artifact.lux @@ -108,10 +108,10 @@ [wrote? (/.write repository artifact expected) actual (/.read repository artifact)] (unit.coverage [/.write /.read] - (and (case wrote? + (and (when wrote? {try.#Success _} true {try.#Failure _} false) - (case actual + (when actual {try.#Success actual} (at /.equivalence = expected actual) diff --git a/stdlib/source/test/aedifex/metadata/snapshot.lux b/stdlib/source/test/aedifex/metadata/snapshot.lux index b41a6ce15..34965c98a 100644 --- a/stdlib/source/test/aedifex/metadata/snapshot.lux +++ b/stdlib/source/test/aedifex/metadata/snapshot.lux @@ -120,10 +120,10 @@ [wrote? (/.write repository artifact expected) actual (/.read repository artifact)] (unit.coverage [/.write /.read] - (and (case wrote? + (and (when wrote? {try.#Success _} true {try.#Failure _} false) - (case actual + (when actual {try.#Success actual} (at /.equivalence = expected actual) diff --git a/stdlib/source/test/aedifex/package.lux b/stdlib/source/test/aedifex/package.lux index 035765b17..dc03b1671 100644 --- a/stdlib/source/test/aedifex/package.lux +++ b/stdlib/source/test/aedifex/package.lux @@ -76,13 +76,13 @@ [actual_pom binary_pom pom_status] (the /.#pom local) [actual_library library_status] (the /.#library local)] - (and (case (the /.#origin local) + (and (when (the /.#origin local) {//origin.#Local ""} true _ false) (let [expected_sha1 (//hash.sha-1 expected_library) expected_md5 (//hash.md5 expected_library)] (and (same? expected_library actual_library) - (case library_status + (when library_status {//status.#Verified actual_sha1 expected_md5} (and (//hash#= expected_sha1 actual_sha1) (//hash#= expected_md5 expected_md5)) @@ -97,7 +97,7 @@ decoded_pom (at xml.codec decoded xml_pom)] (in (at xml.equivalence = actual_pom decoded_pom))) (try.else false)) - (case pom_status + (when pom_status {//status.#Verified actual_sha1 expected_md5} (and (//hash#= expected_sha1 actual_sha1) (//hash#= expected_md5 expected_md5)) @@ -106,7 +106,7 @@ false)))))) (_.coverage [/.dependencies] (let [expected (the //.#dependencies profile)] - (case (/.dependencies package) + (when (/.dependencies package) {try.#Success actual} (at set.equivalence = expected actual) @@ -114,7 +114,7 @@ false))) (_.coverage [/.repositories] (let [expected (the //.#repositories profile)] - (case (/.repositories package) + (when (/.repositories package) {try.#Success actual} (at set.equivalence = expected actual) diff --git a/stdlib/source/test/aedifex/parser.lux b/stdlib/source/test/aedifex/parser.lux index fb2852701..54cdbc17a 100644 --- a/stdlib/source/test/aedifex/parser.lux +++ b/stdlib/source/test/aedifex/parser.lux @@ -84,7 +84,7 @@ //format.project list (.result /.project) - (pipe.case + (pipe.when {try.#Success actual} (|> expected ..with_empty_profile diff --git a/stdlib/source/test/aedifex/pom.lux b/stdlib/source/test/aedifex/pom.lux index c6283f30d..0484599e0 100644 --- a/stdlib/source/test/aedifex/pom.lux +++ b/stdlib/source/test/aedifex/pom.lux @@ -34,11 +34,11 @@ (do random.monad [expected @profile.random] (_.coverage [/.write /.parser] - (case [(/.write expected) + (when [(/.write expected) (the //.#identity expected)] [{try.#Success pom} {.#Some _}] - (case (.result /.parser (list pom)) + (when (.result /.parser (list pom)) {try.#Success actual} (at //.equivalence = (|> (at //.monoid identity) diff --git a/stdlib/source/test/aedifex/project.lux b/stdlib/source/test/aedifex/project.lux index 2db5873e8..29f8b1215 100644 --- a/stdlib/source/test/aedifex/project.lux +++ b/stdlib/source/test/aedifex/project.lux @@ -84,14 +84,14 @@ (try#each (at //.equivalence = (at //.monoid composite sub_profile super_profile))) (try.else false)))) (_.coverage [/.unknown_profile] - (case (/.profile project fake_name) + (when (/.profile project fake_name) {try.#Success _} false {try.#Failure error} (exception.match? /.unknown_profile error))) (_.coverage [/.circular_dependency] - (case (/.profile circular sub_name) + (when (/.profile circular sub_name) {try.#Success _} false diff --git a/stdlib/source/test/aedifex/repository.lux b/stdlib/source/test/aedifex/repository.lux index 72c36f74b..fbb3ef01b 100644 --- a/stdlib/source/test/aedifex/repository.lux +++ b/stdlib/source/test/aedifex/repository.lux @@ -72,9 +72,9 @@ (def the_description "@") (def (on_download uri state) - (case (dictionary.value uri state) + (when (dictionary.value uri state) {.#Some content} - (case (binary.size content) + (when (binary.size content) 0 (exception.except ..not_found [uri]) _ {try.#Success [state content]}) diff --git a/stdlib/source/test/aedifex/repository/local.lux b/stdlib/source/test/aedifex/repository/local.lux index 52a91bea6..96a07f678 100644 --- a/stdlib/source/test/aedifex/repository/local.lux +++ b/stdlib/source/test/aedifex/repository/local.lux @@ -45,7 +45,7 @@ _ (at repo upload uri expected) actual (at repo download uri)] (unit.coverage [/.repository] - (and (case before_upload + (and (when before_upload {try.#Success _} false {try.#Failure _} true) (|> actual diff --git a/stdlib/source/test/aedifex/repository/remote.lux b/stdlib/source/test/aedifex/repository/remote.lux index a5380ddec..5a1c21316 100644 --- a/stdlib/source/test/aedifex/repository/remote.lux +++ b/stdlib/source/test/aedifex/repository/remote.lux @@ -51,7 +51,7 @@ (dictionary.value "User-Agent") (maybe#each (same? /.user_agent)) (maybe.else false)) - (case [method input] + (when [method input] [{@http.#Get} {.#None}] [http/status.ok [@http.#headers (http.headers (list)) @@ -113,7 +113,7 @@ (let [repo (/.repository (..good_http user password) {.#None} address)] - (case (io.run! (at repo upload uri content)) + (when (io.run! (at repo upload uri content)) {try.#Failure error} (exception.match? /.upload_failure error) @@ -123,7 +123,7 @@ (let [repo (/.repository ..bad_http {.#None} address)] - (case (io.run! (at repo download uri)) + (when (io.run! (at repo download uri)) {try.#Failure error} (exception.match? /.download_failure error) diff --git a/stdlib/source/test/lux.lux b/stdlib/source/test/lux.lux index 4d7a695e8..53d699818 100644 --- a/stdlib/source/test/lux.lux +++ b/stdlib/source/test/lux.lux @@ -129,21 +129,21 @@ expected random.nat] (all _.and (_.coverage [/.try] - (case (/.try expected) + (when (/.try expected) {.#Left _} false {.#Right actual} (n.= expected actual))) (_.coverage [/.undefined] - (case (/.try (/.undefined)) + (when (/.try (/.undefined)) {.#Left _} true {.#Right _} false)) (_.coverage [/.panic!] - (case (/.try (/.panic! expected_error)) + (when (/.try (/.panic! expected_error)) {.#Left actual_error} (text.contains? expected_error actual_error) @@ -160,7 +160,7 @@ e/3 random.nat] (all _.and (_.coverage [/.list] - (case (/.list e/0 e/1) + (when (/.list e/0 e/1) (/.list a/0 a/1) (and (n.= e/0 a/0) (n.= e/1 a/1)) @@ -411,7 +411,7 @@ ... (let [scenario (is (-> Any Bit) ... (function (_ _) ... ... TODO: Remove this hack once Jython is no longer being used as the Python interpreter. - ... (`` (for @.python (case (' [']) + ... (`` (for @.python (when (' [']) ... (^.` [ ... ("lux def" (, [_ {.#Symbol ["" _]}]) [] #0) ... (,, (template.spliced ))]) @@ -419,7 +419,7 @@ ... _ ... false) - ... (case (' [']) + ... (when (' [']) ... (^.` [ (,, (template.spliced ))]) ... true @@ -537,7 +537,7 @@ (_.coverage [/.type_of] (same? /.Nat (/.type_of expected))) (_.coverage [/.Primitive] - (case (/.Primitive "foo" [expected/0 expected/1]) + (when (/.Primitive "foo" [expected/0 expected/1]) {.#Primitive "foo" (list actual/0 actual/1)} (and (same? expected/0 actual/0) (same? expected/1 actual/1)) @@ -545,28 +545,28 @@ _ false)) (_.coverage [/.type_literal] - (and (case (/.type_literal [expected/0 expected/1]) + (and (when (/.type_literal [expected/0 expected/1]) {.#Product actual/0 actual/1} (and (same? expected/0 actual/0) (same? expected/1 actual/1)) _ false) - (case (/.type_literal (/.Or expected/0 expected/1)) + (when (/.type_literal (/.Or expected/0 expected/1)) {.#Sum actual/0 actual/1} (and (same? expected/0 actual/0) (same? expected/1 actual/1)) _ false) - (case (/.type_literal (-> expected/0 expected/1)) + (when (/.type_literal (-> expected/0 expected/1)) {.#Function actual/0 actual/1} (and (same? expected/0 actual/0) (same? expected/1 actual/1)) _ false) - (case (/.type_literal (expected/0 expected/1)) + (when (/.type_literal (expected/0 expected/1)) {.#Apply actual/1 actual/0} (and (same? expected/0 actual/0) (same? expected/1 actual/1)) @@ -668,7 +668,7 @@ (in option/1))] (all _.and (_.coverage [/.static] - (case sample + (when sample (/.static option/0) true (/.static option/1) true _ false)) @@ -906,7 +906,7 @@ {.#Some [item/1 {.#Some [item/2 {.#None}]}]}]})] - (case list + (when list {.#Some [actual/0 {.#Some [actual/1 {.#Some [actual/2 {.#None}]}]}]} (and (same? item/0 actual/0) (same? item/1 actual/1) @@ -926,7 +926,7 @@ [[..#left ..#right ]])) -(def for_case +(def for_when Test (do [! random.monad] [expected_nat (at ! each (n.% 1) random.nat) @@ -938,40 +938,40 @@ expected_text (random.either (in "+0.5") (in "+1.25"))] (all _.and - (_.coverage [/.case] - (and (/.case expected_nat + (_.coverage [/.when] + (and (/.when expected_nat 0 true _ false) - (/.case expected_int + (/.when expected_int +0 true _ false) - (/.case expected_rev + (/.when expected_rev .5 true .25 true _ false) - (/.case expected_frac + (/.when expected_frac +0.5 true +1.25 true _ false) - (/.case expected_text + (/.when expected_text "+0.5" true "+1.25" true _ false) - (/.case [expected_nat expected_int] + (/.when [expected_nat expected_int] [0 +0] true _ false) - (/.case [..#left expected_nat ..#right expected_int] + (/.when [..#left expected_nat ..#right expected_int] [..#left 0 ..#right +0] true _ false) - (/.case (is (Either Nat Int) {.#Left expected_nat}) + (/.when (is (Either Nat Int) {.#Left expected_nat}) {.#Left 0} true _ false) - (/.case (is (Either Nat Int) {.#Right expected_int}) + (/.when (is (Either Nat Int) {.#Right expected_int}) {.#Right +0} true _ false) )) ... (_.coverage [/.pattern] - ... (/.case [..#left expected_nat ..#right expected_int] + ... (/.when [..#left expected_nat ..#right expected_int] ... (!pair 0 +0) ... true @@ -1046,7 +1046,7 @@ (set.member? ..possible_targets (the .#target info)) compiling! - (case (the .#mode info) + (when (the .#mode info) {.#Build} true _ false)] {.#Right [lux (list (code.bit (and conforming_target! @@ -1056,7 +1056,7 @@ (syntax (_ []) (do meta.monad [prelude (meta.module .prelude)] - (in (list (code.bit (case (the .#module_state prelude) + (in (list (code.bit (when (the .#module_state prelude) {.#Active} false _ true))))))) @@ -1095,7 +1095,7 @@ let/2 .local let/3 .local]) - (in (list (code.bit (case (the .#scopes lux_state) + (in (list (code.bit (when (the .#scopes lux_state) (list.partial scope/2 _) (let [locals/2 (the .#locals scope/2) expected_locals/2 (set.of_list text.hash (list fn/2 var/2 let/2 @@ -1114,7 +1114,7 @@ local? (is (-> Ref Bit) (function (_ ref) - (case ref + (when ref {.#Local _} true {.#Captured _} false))) captured? (is (-> Ref Bit) @@ -1181,7 +1181,7 @@ ..for_associative ..for_expansion ..for_value - ..for_case + ..for_when ..for_control_flow ..for_def ..for_meta diff --git a/stdlib/source/test/lux/abstract/apply.lux b/stdlib/source/test/lux/abstract/apply.lux index bc48cff4e..8544e5de6 100644 --- a/stdlib/source/test/lux/abstract/apply.lux +++ b/stdlib/source/test/lux/abstract/apply.lux @@ -26,7 +26,7 @@ (all _.and (_.coverage [/.composite] (let [expected (n.+ left right)] - (case (at (/.composite maybe.monad maybe.apply list.apply) on + (when (at (/.composite maybe.monad maybe.apply list.apply) on {.#Some (list right)} {.#Some (list (n.+ left))}) {.#Some (list actual)} diff --git a/stdlib/source/test/lux/abstract/codec.lux b/stdlib/source/test/lux/abstract/codec.lux index c55c7e311..3f07c30cb 100644 --- a/stdlib/source/test/lux/abstract/codec.lux +++ b/stdlib/source/test/lux/abstract/codec.lux @@ -40,7 +40,7 @@ [expected random.bit] (<| (_.covering /._) (_.coverage [/.composite] - (case (|> expected (at ..codec encoded) (at ..codec decoded)) + (when (|> expected (at ..codec encoded) (at ..codec decoded)) {try.#Success actual} (bit#= expected actual) diff --git a/stdlib/source/test/lux/abstract/enum.lux b/stdlib/source/test/lux/abstract/enum.lux index fc50c636a..0f575f3e6 100644 --- a/stdlib/source/test/lux/abstract/enum.lux +++ b/stdlib/source/test/lux/abstract/enum.lux @@ -38,7 +38,7 @@ can_be_backwards? (at (list.equivalence n.equivalence) = (/.range n.enum start end) (list.reversed (/.range n.enum end start))) - every_element_is_a_successor? (case range + every_element_is_a_successor? (when range {.#Item head tail} (|> (list#mix (function (_ next [verdict prev]) [(and verdict diff --git a/stdlib/source/test/lux/abstract/equivalence.lux b/stdlib/source/test/lux/abstract/equivalence.lux index 14d22ae5f..0689009f6 100644 --- a/stdlib/source/test/lux/abstract/equivalence.lux +++ b/stdlib/source/test/lux/abstract/equivalence.lux @@ -29,9 +29,9 @@ (type Variant (.Variant - {#Case0 Bit} - {#Case1 Int} - {#Case2 Frac})) + {#Case_0 Bit} + {#Case_1 Int} + {#Case_2 Frac})) (type Recursive (Rec Recursive @@ -119,7 +119,7 @@ (/.rec (function (_ equivalence) (implementation (def (= left right) - (case [left right] + (when [left right] [{.#End} {.#End}] true diff --git a/stdlib/source/test/lux/abstract/functor.lux b/stdlib/source/test/lux/abstract/functor.lux index c2e5f18eb..b3eee1741 100644 --- a/stdlib/source/test/lux/abstract/functor.lux +++ b/stdlib/source/test/lux/abstract/functor.lux @@ -54,7 +54,7 @@ (<| (_.covering /._) (all _.and (_.coverage [/.Or /.sum] - (and (case (at (/.sum maybe.functor list.functor) each + (and (when (at (/.sum maybe.functor list.functor) each (n.+ shift) {.#Left {.#Some left}}) {.#Left {.#Some actual}} @@ -62,7 +62,7 @@ _ false) - (case (at (/.sum maybe.functor list.functor) each + (when (at (/.sum maybe.functor list.functor) each (n.+ shift) {.#Right (list right)}) {.#Right (list actual)} @@ -71,7 +71,7 @@ _ false))) (_.coverage [/.And /.product] - (case (at (/.product maybe.functor list.functor) each + (when (at (/.product maybe.functor list.functor) each (n.+ shift) [{.#Some left} (list right)]) [{.#Some actualL} (list actualR)] @@ -81,7 +81,7 @@ _ false)) (_.coverage [/.Then /.composite] - (case (at (/.composite maybe.functor list.functor) each + (when (at (/.composite maybe.functor list.functor) each (n.+ shift) {.#Some (list left)}) {.#Some (list actual)} diff --git a/stdlib/source/test/lux/abstract/interval.lux b/stdlib/source/test/lux/abstract/interval.lux index 8270a88b3..9f43008b2 100644 --- a/stdlib/source/test/lux/abstract/interval.lux +++ b/stdlib/source/test/lux/abstract/interval.lux @@ -142,7 +142,7 @@ [[l m r] (|> (random.set n.hash 3 random.nat) (at ! each (|>> set.list (list.sorted n.<) - (pipe.case + (pipe.when (list b t1 t2) [b t1 t2] @@ -165,7 +165,7 @@ [[b t1 t2] (|> (random.set n.hash 3 random.nat) (at ! each (|>> set.list (list.sorted n.<) - (pipe.case + (pipe.when (list b t1 t2) [b t1 t2] @@ -193,7 +193,7 @@ [x0 x1 x2 x3] (|> (random.set n.hash 4 random.nat) (at ! each (|>> set.list (list.sorted n.<) - (pipe.case + (pipe.when (list x0 x1 x2 x3) [x0 x1 x2 x3] @@ -227,7 +227,7 @@ [x0 x1 x2 x3] (|> (random.set n.hash 4 random.nat) (at ! each (|>> set.list (list.sorted n.<) - (pipe.case + (pipe.when (list x0 x1 x2 x3) [x0 x1 x2 x3] diff --git a/stdlib/source/test/lux/abstract/monad/free.lux b/stdlib/source/test/lux/abstract/monad/free.lux index 7a4375c27..eb67429b2 100644 --- a/stdlib/source/test/lux/abstract/monad/free.lux +++ b/stdlib/source/test/lux/abstract/monad/free.lux @@ -25,7 +25,7 @@ (def (interpret free) (All (_ a) (-> (/.Free List a) (List a))) - (case free + (when free {/.#Pure value} (list value) diff --git a/stdlib/source/test/lux/control/concatenative.lux b/stdlib/source/test/lux/control/concatenative.lux index aec54bebe..b49761269 100644 --- a/stdlib/source/test/lux/control/concatenative.lux +++ b/stdlib/source/test/lux/control/concatenative.lux @@ -280,14 +280,6 @@ (/.push (/.apply_2 n.+)) /.partial /.call)))) - (_.coverage [/.when] - (n.= (if choice - (++ sample) - sample) - (/.value (|>> (/.push sample) - (/.push choice) - (/.push (/.apply_1 ++)) - /.when)))) (_.coverage [/.?] (n.= (if choice (++ sample) diff --git a/stdlib/source/test/lux/control/concurrency/actor.lux b/stdlib/source/test/lux/control/concurrency/actor.lux index 35fbb8027..d11016a4b 100644 --- a/stdlib/source/test/lux/control/concurrency/actor.lux +++ b/stdlib/source/test/lux/control/concurrency/actor.lux @@ -42,7 +42,7 @@ (def (mailed? outcome) (-> (Try Any) Bit) - (case outcome + (when outcome {try.#Success _} true {try.#Failure _} false)) @@ -91,7 +91,7 @@ (function (_ message state self) (do [! async.monad] [outcome (message state self)] - (case outcome + (when outcome {try.#Failure cause} (do ! [_ (async.future (write cause))] @@ -104,7 +104,7 @@ _ (async.delay 100) result (async.future (async.value read))] (unit.coverage [/.poisoned] - (case result + (when result {.#Some error} (exception.match? /.poisoned error) @@ -126,7 +126,7 @@ _ (/.poison! counter)] (/.mail! ++! counter)))] (unit.coverage [/.dead] - (case result + (when result {try.#Success outcome} false @@ -144,7 +144,7 @@ obituary (/.obituary' actor)] (in {try.#Success [actor sent? alive? obituary]})))] (unit.coverage [/.Obituary /.obituary'] - (case result + (when result {try.#Success [actor sent? alive? {.#Some [error state (list single_pending_message)]}]} (and (..mailed? sent?) (not alive?) @@ -165,7 +165,7 @@ (n.= 2 output_2) (n.= 3 output_3))))] (unit.coverage [/.Message /.tell!] - (case result + (when result {try.#Success outcome} outcome diff --git a/stdlib/source/test/lux/control/concurrency/async.lux b/stdlib/source/test/lux/control/concurrency/async.lux index 5ca8704ff..36aba9dfd 100644 --- a/stdlib/source/test/lux/control/concurrency/async.lux +++ b/stdlib/source/test/lux/control/concurrency/async.lux @@ -40,7 +40,7 @@ (do io.monad [?left (/.value left) ?right (/.value right)] - (in (case [?left ?right] + (in (when [?left ?right] [{.#Some left} {.#Some right}] (== left right) @@ -121,7 +121,7 @@ ?right (/.or (/.after waiting_time dummy) (in rightE))] (unit.coverage [/.or] - (case [?left ?right] + (when [?left ?right] [{.#Left leftA} {.#Right rightA}] (n.= (n.+ leftE rightE) (n.+ leftA rightA)) @@ -142,7 +142,7 @@ (/.async []))] ?never (/.future (/.value async))] (unit.coverage [/.value] - (case [?actual ?never] + (when [?actual ?never] [{.#Some actual} {.#None}] (n.= expected actual) @@ -160,7 +160,7 @@ [?none (/.within 0 (/.after waiting_time dummy)) ?actual (/.within waiting_time (in expected))] (unit.coverage [/.within] - (case [?none ?actual] + (when [?none ?actual] [{.#None} {.#Some actual}] (n.= expected actual) diff --git a/stdlib/source/test/lux/control/concurrency/frp.lux b/stdlib/source/test/lux/control/concurrency/frp.lux index a3fe7263c..16cae30d8 100644 --- a/stdlib/source/test/lux/control/concurrency/frp.lux +++ b/stdlib/source/test/lux/control/concurrency/frp.lux @@ -40,7 +40,7 @@ (do io.monad [?left (async.value left) ?right (async.value right)] - (in (case [?left ?right] + (in (when [?left ?right] [{.#Some {.#Some [left _]}} {.#Some {.#Some [right _]}}] (== left right) @@ -50,13 +50,13 @@ (def (take_amount amount_of_polls [channel sink]) (All (_ a) (-> Nat [(/.Channel a) (/.Sink a)] (Async (List a)))) - (case amount_of_polls + (when amount_of_polls 0 (do async.monad [_ (async.future (at sink close))] (in {.#End})) _ (do [! async.monad] [event channel] - (case event + (when event {.#None} (in {.#End}) @@ -86,7 +86,7 @@ ($monad.spec ..injection ..comparison /.monad)) (_.coverage [/.Channel /.Sink /.channel] - (case (io.run! + (when (io.run! (do (try.with io.monad) [.let [[channel sink] (is [(/.Channel Nat) (/.Sink Nat)] (/.channel []))] @@ -97,7 +97,7 @@ (io.run! (do io.monad [?actual (async.value channel)] - (in (case ?actual + (in (when ?actual {.#Some {.#Some [actual _]}} (n.= sample actual) @@ -107,7 +107,7 @@ {try.#Failure error} false)) (_.coverage [/.already_closed] - (case (io.run! + (when (io.run! (do (try.with io.monad) [.let [[channel sink] (is [(/.Channel Nat) (/.Sink Nat)] (/.channel []))] diff --git a/stdlib/source/test/lux/control/concurrency/semaphore.lux b/stdlib/source/test/lux/control/concurrency/semaphore.lux index 19a99f55d..54143c345 100644 --- a/stdlib/source/test/lux/control/concurrency/semaphore.lux +++ b/stdlib/source/test/lux/control/concurrency/semaphore.lux @@ -46,7 +46,7 @@ (in (do async.monad [result (async.within ..delay (/.wait! semaphore))] (unit.coverage [/.semaphore] - (case result + (when result {.#Some _} true @@ -59,7 +59,7 @@ [_ (monad.each ! /.wait! (list.repeated initial_open_positions semaphore)) result (async.within ..delay (/.wait! semaphore))] (unit.coverage [/.wait!] - (case result + (when result {.#Some _} false @@ -75,7 +75,7 @@ open_positions (/.signal! semaphore) result/1 (async.within ..delay block)] (unit.coverage [/.signal!] - (case [result/0 result/1 open_positions] + (when [result/0 result/1 open_positions] [{.#None} {.#Some _} {try.#Success +0}] true @@ -87,7 +87,7 @@ (in (do async.monad [outcome (/.signal! semaphore)] (unit.coverage [/.semaphore_is_maxed_out] - (case outcome + (when outcome {try.#Failure error} (exception.match? /.semaphore_is_maxed_out error) @@ -146,7 +146,7 @@ (do random.monad [raw random.nat] (_.coverage [/.Limit /.limit] - (case [raw (/.limit raw)] + (when [raw (/.limit raw)] [0 {.#None}] true diff --git a/stdlib/source/test/lux/control/continuation.lux b/stdlib/source/test/lux/control/continuation.lux index 8f57a99dc..ce7b9d985 100644 --- a/stdlib/source/test/lux/control/continuation.lux +++ b/stdlib/source/test/lux/control/continuation.lux @@ -72,7 +72,7 @@ visit (is (-> (List Nat) (/.Cont (List Nat) (List Nat))) (function (visit xs) - (case xs + (when xs {.#End} (_#in {.#End}) diff --git a/stdlib/source/test/lux/control/exception.lux b/stdlib/source/test/lux/control/exception.lux index 1021d8522..d90494bd9 100644 --- a/stdlib/source/test/lux/control/exception.lux +++ b/stdlib/source/test/lux/control/exception.lux @@ -39,11 +39,11 @@ (_.for [/.Exception]) (all _.and (_.coverage [/.except] - (case (/.except ..an_exception []) + (when (/.except ..an_exception []) {try.#Success _} false {try.#Failure _} true)) (_.coverage [/.error] - (case (/.except ..an_exception []) + (when (/.except ..an_exception []) {try.#Success _} false @@ -53,7 +53,7 @@ (/.match? ..an_exception (/.error ..an_exception []))) (_.coverage [/.assertion] - (case (/.assertion ..an_exception [] assertion_succeeded?) + (when (/.assertion ..an_exception [] assertion_succeeded?) {try.#Success _} assertion_succeeded? @@ -89,13 +89,13 @@ (text.contains? field1 enumeration) (text.contains? value1 enumeration)))) (_.coverage [/.with] - (and (case (/.with ..an_exception [] {try.#Success expected}) + (and (when (/.with ..an_exception [] {try.#Success expected}) {try.#Success actual} (n.= expected actual) {try.#Failure _} false) - (case (/.with ..an_exception [] {try.#Failure ""}) + (when (/.with ..an_exception [] {try.#Failure ""}) {try.#Success _} false {try.#Failure message} (text#= message (/.error ..an_exception []))) - (case (/.with ..an_exception [] + (when (/.with ..an_exception [] (is (Try Nat) (/.except ..another_exception []))) {try.#Success _} @@ -105,7 +105,7 @@ (and (text.contains? (/.error ..an_exception []) message) (text.contains? (/.error ..another_exception []) message))))) (_.coverage [/.exception] - (case (/.except ..custom_exception [expected]) + (when (/.except ..custom_exception [expected]) {try.#Success _} false diff --git a/stdlib/source/test/lux/control/function/contract.lux b/stdlib/source/test/lux/control/function/contract.lux index 312e7070f..44666a08d 100644 --- a/stdlib/source/test/lux/control/function/contract.lux +++ b/stdlib/source/test/lux/control/function/contract.lux @@ -24,7 +24,7 @@ [expected random.nat]) (all _.and (_.coverage [/.pre /.pre_condition_failed] - (case (try (/.pre (n.even? expected) + (when (try (/.pre (n.even? expected) true)) {try.#Success output} output @@ -34,7 +34,7 @@ error) (not (n.even? expected))))) (_.coverage [/.post /.post_condition_failed] - (case (try (/.post n.odd? + (when (try (/.post n.odd? expected)) {try.#Success actual} (same? expected actual) diff --git a/stdlib/source/test/lux/control/function/memo.lux b/stdlib/source/test/lux/control/function/memo.lux index d1ab63220..8c024ff60 100644 --- a/stdlib/source/test/lux/control/function/memo.lux +++ b/stdlib/source/test/lux/control/function/memo.lux @@ -32,7 +32,7 @@ (def (fibonacci again input) (/.Memo Nat Nat) - (case input + (when input 0 (state#in 0) 1 (state#in 1) _ (do state.monad @@ -110,7 +110,7 @@ (//.mixed /.memoization) (is (//.Mixin Nat (State (Dictionary Nat Nat) Nat)) (function (factorial delegate again input) - (case input + (when input (^.or 0 1) (at state.monad in 1) _ (do state.monad [output' (again (-- input))] diff --git a/stdlib/source/test/lux/control/function/mixin.lux b/stdlib/source/test/lux/control/function/mixin.lux index 9fce7f116..9d403e17d 100644 --- a/stdlib/source/test/lux/control/function/mixin.lux +++ b/stdlib/source/test/lux/control/function/mixin.lux @@ -55,7 +55,7 @@ (_.coverage [/.fixed] (let [factorial (/.fixed (function (_ delegate again input) - (case input + (when input (^.or 0 1) 1 _ (n.* input (again (-- input))))))] (n.= expected @@ -63,7 +63,7 @@ (_.coverage [/.mixed] (let [bottom (is (/.Mixin Nat Nat) (function (_ delegate again input) - (case input + (when input (^.or 0 1) 1 _ (delegate input)))) multiplication (is (/.Mixin Nat Nat) @@ -75,7 +75,7 @@ (_.coverage [/.nothing] (let [loop (is (/.Mixin Nat Nat) (function (_ delegate again input) - (case input + (when input (^.or 0 1) 1 _ (n.* input (delegate (-- input)))))) left (/.fixed (/.mixed /.nothing loop)) @@ -90,7 +90,7 @@ 1)) bottom? (is (Predicate Nat) (function (_ input) - (case input + (when input (^.or 0 1) true _ false))) multiplication (is (/.Mixin Nat Nat) @@ -132,7 +132,7 @@ (let [factorial (/.fixed (/.of_recursive (function (_ again input) - (case input + (when input (^.or 0 1) 1 _ (n.* input (again (-- input)))))))] (n.= expected diff --git a/stdlib/source/test/lux/control/function/mutual.lux b/stdlib/source/test/lux/control/function/mutual.lux index a4bfed417..8f6a7069d 100644 --- a/stdlib/source/test/lux/control/function/mutual.lux +++ b/stdlib/source/test/lux/control/function/mutual.lux @@ -24,13 +24,13 @@ (<| (_.coverage [/.let]) (/.let [(even? number) (-> Nat Bit) - (case number + (when number 0 true _ (odd? (-- number))) (odd? number) (-> Nat Bit) - (case number + (when number 0 false _ (even? (-- number)))] (and (bit#= expected (even? sample)) @@ -39,13 +39,13 @@ (/.def [(even? number) (-> Nat Bit) - (case number + (when number 0 true _ (odd? (-- number)))] [(odd? number) (-> Nat Bit) - (case number + (when number 0 false _ (even? (-- number)))]) diff --git a/stdlib/source/test/lux/control/function/predicate.lux b/stdlib/source/test/lux/control/function/predicate.lux index 6855a1b2d..9a016094c 100644 --- a/stdlib/source/test/lux/control/function/predicate.lux +++ b/stdlib/source/test/lux/control/function/predicate.lux @@ -25,7 +25,7 @@ (def (multiple? factor) (-> Nat (/.Predicate Nat)) - (case factor + (when factor 0 (function.constant false) _ (|>> (n.% factor) (n.= 0)))) @@ -80,7 +80,7 @@ any_even? (is (/.Predicate (List Nat)) (/.rec (function (_ again) (function (_ values) - (case values + (when values {.#End} false diff --git a/stdlib/source/test/lux/control/maybe.lux b/stdlib/source/test/lux/control/maybe.lux index e4efb58b0..d99622737 100644 --- a/stdlib/source/test/lux/control/maybe.lux +++ b/stdlib/source/test/lux/control/maybe.lux @@ -56,7 +56,7 @@ [a (lifted (io#in left)) b (in right)] (in (n.+ a b)))) - (pipe.case + (pipe.when {.#Some actual} (n.= expected actual) diff --git a/stdlib/source/test/lux/control/parser.lux b/stdlib/source/test/lux/control/parser.lux index 9922a79dc..10e897f03 100644 --- a/stdlib/source/test/lux/control/parser.lux +++ b/stdlib/source/test/lux/control/parser.lux @@ -31,7 +31,7 @@ (def (should_fail expected input) (All (_ a) (-> Text (Try a) Bit)) - (case input + (when input {try.#Failure actual} (text#= expected actual) @@ -40,7 +40,7 @@ (def (enforced? parser input) (All (_ s) (-> (Parser s Any) s Bit)) - (case (/.result parser input) + (when (/.result parser input) {try.#Success [_ []]} true @@ -49,7 +49,7 @@ (def (found? parser input) (All (_ s) (-> (Parser s Bit) s Bit)) - (case (/.result parser input) + (when (/.result parser input) {try.#Success [_ .true]} true @@ -58,7 +58,7 @@ (def (fails? input) (All (_ a) (-> (Try a) Bit)) - (case input + (when input {try.#Failure _} true @@ -69,7 +69,7 @@ (syntax (_ [pattern .any then .any input .any]) - (in (list (` (case (, input) + (in (list (` (when (, input) {try.#Success [(,' _) (, pattern)]} (, then) @@ -327,7 +327,7 @@ (def comparison (Comparison (All (_ a i) (Parser i a))) (function (_ == left right) - (case [(/.result left []) (/.result right [])] + (when [(/.result left []) (/.result right [])] [{try.#Success [_ left]} {try.#Success [_ right]}] (== left right) diff --git a/stdlib/source/test/lux/control/pipe.lux b/stdlib/source/test/lux/control/pipe.lux index 50d5bb67f..5f367ab9b 100644 --- a/stdlib/source/test/lux/control/pipe.lux +++ b/stdlib/source/test/lux/control/pipe.lux @@ -51,13 +51,6 @@ (/.if [n.even?] [(/.new "even" [])] [(/.new "odd" [])])))) - (_.coverage [/.when] - (n.= (if (n.even? sample) - (n.* 2 sample) - sample) - (|> sample - (/.when [n.even?] - [(n.* 2)])))) (_.coverage [/.while] (n.= (n.* 10 sample) (|> sample @@ -83,8 +76,8 @@ (and (n.= (++ sample) left) (n.= (-- sample) middle) (text#= (%.nat sample) right)))) - (_.coverage [/.case] - (text#= (case (n.% 10 sample) + (_.coverage [/.when] + (text#= (when (n.% 10 sample) 0 "zero" 1 "one" 2 "two" @@ -98,7 +91,7 @@ _ "???") (|> sample (n.% 10) - (/.case + (/.when 0 "zero" 1 "one" 2 "two" diff --git a/stdlib/source/test/lux/control/region.lux b/stdlib/source/test/lux/control/region.lux index b409a7d24..54e22f811 100644 --- a/stdlib/source/test/lux/control/region.lux +++ b/stdlib/source/test/lux/control/region.lux @@ -34,7 +34,7 @@ (def (success? result) (All (_ a) (-> (Try a) Bit)) - (case result + (when result {try.#Success _} true @@ -43,7 +43,7 @@ (def (throws? exception result) (All (_ e a) (-> (Exception e) (Try a) Bit)) - (case result + (when result {try.#Success _} false @@ -60,7 +60,7 @@ (def comparison (Comparison (All (_ a) (All (_ ! r) (Region r (Thread !) a)))) (function (_ == left right) - (case [(sharing [a] + (when [(sharing [a] (is (Equivalence a) ==) (is (Try a) diff --git a/stdlib/source/test/lux/control/remember.lux b/stdlib/source/test/lux/control/remember.lux index 9e75c00e6..963b3fbc1 100644 --- a/stdlib/source/test/lux/control/remember.lux +++ b/stdlib/source/test/lux/control/remember.lux @@ -39,14 +39,14 @@ (` ((, (code.symbol macro)) (, (code.text (%.date deadline))) (, (code.text message)) - (,* (case focus + (,* (when focus {.#None} (list) {.#Some focus} (list focus)))))) (def (attempt computation) (All (_ a) (-> (Meta a) (Meta (Try a)))) (function (_ compiler) - (case (computation compiler) + (when (computation compiler) {try.#Success [compiler output]} {try.#Success [compiler {try.#Success output}]} @@ -57,7 +57,7 @@ (-> Date Text (Maybe Code) Text Bit) (and (text.contains? (%.date deadline) failure) (text.contains? message failure) - (case focus + (when focus {.#None} true @@ -80,27 +80,27 @@ should_fail1 (..attempt (expansion.complete (..memory macro yesterday message {.#Some expected}))) should_succeed0 (..attempt (expansion.complete (..memory macro tomorrow message {.#None}))) should_succeed1 (..attempt (expansion.complete (..memory macro tomorrow message {.#Some expected})))] - (in (list (code.bit (and (case should_fail0 + (in (list (code.bit (and (when should_fail0 {try.#Failure error} (and (test_failure yesterday message {.#None} error) (text.contains? extra error)) _ false) - (case should_fail1 + (when should_fail1 {try.#Failure error} (and (test_failure yesterday message {.#Some expected} error) (text.contains? extra error)) _ false) - (case should_succeed0 + (when should_succeed0 {try.#Success (list)} true _ false) - (case should_succeed1 + (when should_succeed1 {try.#Success (list actual)} (same? expected actual) diff --git a/stdlib/source/test/lux/control/try.lux b/stdlib/source/test/lux/control/try.lux index 857d67ac5..00aac612f 100644 --- a/stdlib/source/test/lux/control/try.lux +++ b/stdlib/source/test/lux/control/try.lux @@ -60,7 +60,7 @@ (n.= expected (/.trusted {/.#Success expected}))) (_.coverage [/.of_maybe] - (case [(/.of_maybe {.#Some expected}) + (when [(/.of_maybe {.#Some expected}) (/.of_maybe {.#None})] [{/.#Success actual} {/.#Failure _}] (n.= expected actual) @@ -68,7 +68,7 @@ _ false)) (_.coverage [/.maybe] - (case [(/.maybe {/.#Success expected}) + (when [(/.maybe {/.#Success expected}) (/.maybe (is (/.Try Nat) {/.#Failure error}))] [{.#Some actual} {.#None}] (n.= expected actual) @@ -87,7 +87,7 @@ b (in alternative)] (in (n.+ a b))) io.run! - (pipe.case + (pipe.when {/.#Success result} (n.= (n.+ expected alternative) result) diff --git a/stdlib/source/test/lux/data/binary.lux b/stdlib/source/test/lux/data/binary.lux index 296867c13..05c3c2c6a 100644 --- a/stdlib/source/test/lux/data/binary.lux +++ b/stdlib/source/test/lux/data/binary.lux @@ -54,7 +54,7 @@ (def !expect (template (_ ) - [(case + [(when true @@ -68,7 +68,7 @@ (|> value (at utf8.codec encoded) (at utf8.codec decoded) - (pipe.case + (pipe.when {try.#Success converted} (text#= value converted) @@ -423,7 +423,7 @@ (def (succeed result) (-> (Try Bit) Bit) - (case result + (when result {try.#Failure _} false @@ -443,7 +443,7 @@ (def (throws? exception try) (All (_ e a) (-> (Exception e) (Try a) Bit)) - (case try + (when try {try.#Failure error} (exception.match? exception error) @@ -454,7 +454,7 @@ (-> Nat (-> Nat /.Binary (Try Nat)) (-> Nat Nat /.Binary (Try Any)) Nat Bit) (let [bytes (i64.left_shifted power 1) binary (/.empty bytes) - cap (case bytes + cap (when bytes 8 (-- 0) _ (|> 1 (i64.left_shifted (n.* 8 bytes)) --)) capped_value (i64.and cap value)] @@ -499,7 +499,7 @@ [(_.coverage [ ] (let [bytes (i64.left_shifted 1) binary (!.empty bytes) - cap (case bytes + cap (when bytes 8 (-- 0) _ (|> 1 (i64.left_shifted (n.* 8 bytes)) --)) capped_value (i64.and cap value) @@ -517,7 +517,7 @@ (_.coverage [!.slice] (let [random_slice (!.slice offset length sample) idxs (is (List Nat) - (case length + (when length 0 (list) _ (enum.range n.enum 0 (-- length)))) reader (function (_ binary idx) @@ -578,13 +578,13 @@ (_.coverage [/.slice] (let [random_slice (try.trusted (/.slice offset length sample)) idxs (is (List Nat) - (case length + (when length 0 (list) _ (enum.range n.enum 0 (-- length)))) reader (function (_ binary idx) (/.bits_8 idx binary))] (and (n.= length (/.size random_slice)) - (case [(monad.each try.monad (|>> (n.+ offset) (reader sample)) idxs) + (when [(monad.each try.monad (|>> (n.+ offset) (reader sample)) idxs) (monad.each try.monad (reader random_slice) idxs)] [{try.#Success binary_vals} {try.#Success slice_vals}] (at (list.equivalence n.equivalence) = binary_vals slice_vals) @@ -594,14 +594,14 @@ (_.coverage [/.slice_out_of_bounds] (and (throws? /.slice_out_of_bounds (/.slice size size sample)) (let [verdict (throws? /.slice_out_of_bounds (/.slice offset size sample))] - (case offset + (when offset 0 (not verdict) _ verdict)))) (_.coverage [/.after] (and (at /.equivalence = sample (/.after 0 sample)) (at /.equivalence = (/.empty 0) (/.after size sample)) (n.= (n.- offset size) (/.size (/.after offset sample))) - (case (list.reversed (..as_list sample)) + (when (list.reversed (..as_list sample)) {.#End} false @@ -609,7 +609,7 @@ (n.= (list.mix n.+ 0 tail) (/.mix n.+ 0 (/.after 1 sample)))))) (_.coverage [/.copy!] - (and (case (/.copy! size 0 sample 0 (/.empty size)) + (and (when (/.copy! size 0 sample 0 (/.empty size)) {try.#Success output} (and (not (same? sample output)) (at /.equivalence = sample output)) diff --git a/stdlib/source/test/lux/data/collection/array.lux b/stdlib/source/test/lux/data/collection/array.lux index f12014f24..b13c77f6b 100644 --- a/stdlib/source/test/lux/data/collection/array.lux +++ b/stdlib/source/test/lux/data/collection/array.lux @@ -70,7 +70,7 @@ {.#Some (at n.decimal encoded value)} {.#None})))] (_.coverage [/.one] - (case [(|> evens + (when [(|> evens (/#each (at n.decimal encoded)) (/.item 0)) (/.one choose evens)] @@ -87,12 +87,12 @@ (/.example n.even? the_array) (list.example n.even? (/.list {.#None} the_array)))) (_.coverage [/.example'] - (case [(/.example n.even? the_array) + (when [(/.example n.even? the_array) (/.example' (function (_ idx member) (n.even? member)) the_array)] [{.#Some expected} {.#Some [idx actual]}] - (case (/.item idx the_array) + (when (/.item idx the_array) {.#Some again} (and (n.= expected actual) (n.= actual again)) @@ -156,7 +156,7 @@ (n.= size (!.size (is (Array Nat) (!.empty size))))) (_.coverage [!.primitive] - (case !.Array + (when !.Array (<| {.#Named (symbol !.Array)} {.#UnivQ (list)} {.#Primitive nominal_type (list {.#Parameter 1})}) @@ -281,7 +281,7 @@ (!.example n.even? the_array) (list.example n.even? (!.list {.#None} the_array)))) (_.coverage [!.example'] - (case [(!.example n.even? the_array) + (when [(!.example n.even? the_array) (!.example' (function (_ idx member) (n.even? member)) the_array)] @@ -324,7 +324,7 @@ (n.= size (/.size (is (Array Nat) (/.empty size))))) (_.coverage [/.primitive] - (case /.Array + (when /.Array (<| {.#Named (symbol /.Array)} {.#Named (symbol !.Array)} {.#UnivQ (list)} @@ -337,7 +337,7 @@ (let [the_array (|> (/.empty 2) (is (Array Nat)) (/.has! 0 expected))] - (case [(/.item 0 the_array) + (when [(/.item 0 the_array) (/.item 1 the_array)] [{.#Some actual} {.#None}] (n.= expected actual) @@ -348,7 +348,7 @@ (let [the_array (|> (/.empty 1) (is (Array Nat)) (/.has! 0 expected))] - (case [(/.item 0 the_array) + (when [(/.item 0 the_array) (/.item 0 (/.lacks! 0 the_array))] [{.#Some actual} {.#None}] (n.= expected actual) @@ -372,7 +372,7 @@ (is (Array Nat)) (/.has! 0 base) (/.revised! 0 (n.+ shift)))] - (case (/.item 0 the_array) + (when (/.item 0 the_array) {.#Some actual} (n.= expected actual) @@ -384,7 +384,7 @@ (/.has! 0 base) (/.upsert! 0 dummy (n.+ shift)) (/.upsert! 1 base (n.+ shift)))] - (case [(/.item 0 the_array) + (when [(/.item 0 the_array) (/.item 1 the_array)] [{.#Some actual/0} {.#Some actual/1}] (and (n.= expected actual/0) diff --git a/stdlib/source/test/lux/data/collection/bits.lux b/stdlib/source/test/lux/data/collection/bits.lux index 379cfd131..2a134ab17 100644 --- a/stdlib/source/test/lux/data/collection/bits.lux +++ b/stdlib/source/test/lux/data/collection/bits.lux @@ -26,7 +26,7 @@ (Random Bits) (do [! random.monad] [size (at ! each (n.% 1,000) random.nat)] - (case size + (when size 0 (in /.empty) _ (do [! random.monad] [idx (|> random.nat (at ! each (n.% size)))] diff --git a/stdlib/source/test/lux/data/collection/dictionary.lux b/stdlib/source/test/lux/data/collection/dictionary.lux index 369bddd2d..d02d9f3a4 100644 --- a/stdlib/source/test/lux/data/collection/dictionary.lux +++ b/stdlib/source/test/lux/data/collection/dictionary.lux @@ -44,7 +44,7 @@ (n.= size (/.size dict))) (_.coverage [/.empty?] - (case size + (when size 0 (/.empty? dict) _ (not (/.empty? dict)))) @@ -147,26 +147,26 @@ (/.keys dict))) (_.coverage [/.value] - (and (list.every? (function (_ key) (case (/.value key dict) + (and (list.every? (function (_ key) (when (/.value key dict) {.#Some _} true _ false)) (/.keys dict)) - (case (/.value non_key dict) + (when (/.value non_key dict) {.#Some _} false _ true))) (_.coverage [/.has] (and (n.= (++ (/.size dict)) (/.size (/.has non_key test_val dict))) - (case (/.value non_key (/.has non_key test_val dict)) + (when (/.value non_key (/.has non_key test_val dict)) {.#Some v} (n.= test_val v) _ true))) (_.coverage [/.has' /.key_already_exists] (let [can_put_new_keys! - (case (/.has' non_key test_val dict) + (when (/.has' non_key test_val dict) {try.#Success dict} - (case (/.value non_key dict) + (when (/.value non_key dict) {.#Some v} (n.= test_val v) _ true) @@ -176,7 +176,7 @@ cannot_put_old_keys! (or (n.= 0 size) (let [first_key (|> dict /.keys list.head maybe.trusted)] - (case (/.has' first_key test_val dict) + (when (/.has' first_key test_val dict) {try.#Success _} false @@ -189,7 +189,7 @@ (and (let [base (/.has non_key test_val dict)] (and (/.key? base non_key) (not (/.key? (/.lacks non_key base) non_key)))) - (case (list.head (/.keys dict)) + (when (list.head (/.keys dict)) {.#None} true @@ -200,7 +200,7 @@ (_.coverage [/.revised] (let [base (/.has non_key test_val dict) updt (/.revised non_key ++ base)] - (case [(/.value non_key base) (/.value non_key updt)] + (when [(/.value non_key base) (/.value non_key updt)] [{.#Some x} {.#Some y}] (n.= (++ x) y) @@ -209,7 +209,7 @@ (_.coverage [/.revised'] (let [can_upsert_new_key! - (case (/.value non_key (/.revised' non_key test_val ++ dict)) + (when (/.value non_key (/.revised' non_key test_val ++ dict)) {.#Some inserted} (n.= (++ test_val) inserted) @@ -217,12 +217,12 @@ false) can_upsert_old_key! - (case (list.head (/.entries dict)) + (when (list.head (/.entries dict)) {.#None} true {.#Some [known_key known_value]} - (case (/.value known_key (/.revised' known_key test_val ++ dict)) + (when (/.value known_key (/.revised' known_key test_val ++ dict)) {.#Some updated} (n.= (++ known_value) updated) diff --git a/stdlib/source/test/lux/data/collection/dictionary/ordered.lux b/stdlib/source/test/lux/data/collection/dictionary/ordered.lux index 7736202d0..951d6c891 100644 --- a/stdlib/source/test/lux/data/collection/dictionary/ordered.lux +++ b/stdlib/source/test/lux/data/collection/dictionary/ordered.lux @@ -27,7 +27,7 @@ (def .public (dictionary order gen_key gen_value size) (All (_ k v) (-> (Order k) (Random k) (Random v) Nat (Random (/.Dictionary k v)))) - (case size + (when size 0 (random#in (/.empty order)) @@ -75,7 +75,7 @@ (_.coverage [/.empty] (/.empty? (/.empty n.order))) (_.coverage [/.min] - (case [(/.min sample) (list.head sorted_values)] + (when [(/.min sample) (list.head sorted_values)] [{.#None} {.#None}] true @@ -85,7 +85,7 @@ _ false)) (_.coverage [/.max] - (case [(/.max sample) (list.last sorted_values)] + (when [(/.max sample) (list.last sorted_values)] [{.#None} {.#None}] true @@ -116,7 +116,7 @@ (/.size sample+)))))) (_.coverage [/.value] (let [sample+ (/.has extra_key extra_value sample)] - (case [(/.value extra_key sample) + (when [(/.value extra_key sample) (/.value extra_key sample+)] [{.#None} {.#Some actual}] (n.= extra_value actual) diff --git a/stdlib/source/test/lux/data/collection/list.lux b/stdlib/source/test/lux/data/collection/list.lux index 6bb1808f7..bd1e684d7 100644 --- a/stdlib/source/test/lux/data/collection/list.lux +++ b/stdlib/source/test/lux/data/collection/list.lux @@ -77,7 +77,7 @@ [a (lifted (io#in parameter)) b (in subject)] (in (n.+ a b)))) - (pipe.case + (pipe.when (list actual) (n.= expected actual) @@ -169,7 +169,7 @@ has_correct_values!))) (_.coverage [/.item] (/.every? (function (_ [index expected]) - (case (/.item index sample) + (when (/.item index sample) {.#Some actual} (n.= expected actual) @@ -177,13 +177,13 @@ false)) (/.enumeration sample))) (do ! - [index (case size + [index (when size 0 random.nat _ (at ! each (n.% size) random.nat)) .let [changed? (/#= sample (/.revised index ++ sample)) same? (/#= sample (/.revised size ++ sample))]] (_.coverage [/.revised] - (case size + (when size 0 (and changed? same?) _ (not changed?)))) @@ -250,7 +250,7 @@ (,, (with_template [ 
]
                      [(all _.and
                            (_.coverage []
-                             (case [(
 sample) ( sample)]
+                             (when [(
 sample) ( sample)]
                                [{.#Item expected _} {.#Some actual}]
                                (n.= expected actual)
 
@@ -260,7 +260,7 @@
                                _
                                false))
                            (_.coverage []
-                             (case [(
 sample) ( sample)]
+                             (when [(
 sample) ( sample)]
                                [{.#Item _ expected} {.#Some actual}]
                                (/#= (
 expected) actual)
 
@@ -298,7 +298,7 @@
                                    /.size
                                    (n.% 2)
                                    (n.= 0))]
-               (case (/.pairs sample/0)
+               (when (/.pairs sample/0)
                  {.#Some pairs/0}
                  (and even_sized?
                       (n.= (n./ 2 (/.size sample/0))
@@ -384,7 +384,7 @@
       [sample ..random]
       (all _.and
            (_.coverage [/.one]
-             (case [(|> sample
+             (when [(|> sample
                         (/.only n.even?)
                         (/#each (at n.decimal encoded))
                         /.head)
@@ -404,7 +404,7 @@
                      (/#each (at n.decimal encoded)))
                  (/.all choice sample)))
            (_.coverage [/.example]
-             (case (/.example n.even? sample)
+             (when (/.example n.even? sample)
                {.#Some found}
                (n.even? found)
 
diff --git a/stdlib/source/test/lux/data/collection/queue.lux b/stdlib/source/test/lux/data/collection/queue.lux
index b1889edc9..99511bab5 100644
--- a/stdlib/source/test/lux/data/collection/queue.lux
+++ b/stdlib/source/test/lux/data/collection/queue.lux
@@ -60,7 +60,7 @@
                  (and empty_is_empty!
                       all_empty_queues_look_the_same!)))
              (_.coverage [/.front]
-               (case [members (/.front sample)]
+               (when [members (/.front sample)]
                  [{.#Item head tail} {.#Some first}]
                  (n.= head first)
                  
@@ -95,7 +95,7 @@
                       new_member_is_identified!
                       has_expected_order!)))
              (_.coverage [/.next]
-               (case members
+               (when members
                  {.#Item target expected}
                  (let [popped (/.next sample)
 
diff --git a/stdlib/source/test/lux/data/collection/queue/priority.lux b/stdlib/source/test/lux/data/collection/queue/priority.lux
index b0ca6a4f9..b7a1028fe 100644
--- a/stdlib/source/test/lux/data/collection/queue/priority.lux
+++ b/stdlib/source/test/lux/data/collection/queue/priority.lux
@@ -49,14 +49,14 @@
              (_.coverage [/.empty]
                (/.empty? /.empty))
              (_.coverage [/.front]
-               (case (/.front sample)
+               (when (/.front sample)
                  {.#Some first}
                  (n.> 0 (/.size sample))
                  
                  {.#None}
                  (/.empty? sample)))
              (_.coverage [/.member?]
-               (case (/.front sample)
+               (when (/.front sample)
                  {.#Some first}
                  (/.member? n.equivalence sample first)
                  
diff --git a/stdlib/source/test/lux/data/collection/sequence.lux b/stdlib/source/test/lux/data/collection/sequence.lux
index dac8c85a5..a24d05ed6 100644
--- a/stdlib/source/test/lux/data/collection/sequence.lux
+++ b/stdlib/source/test/lux/data/collection/sequence.lux
@@ -94,7 +94,7 @@
             .let [sample (|> sample set.list /.of_list)]]
            (all _.and
                 (_.coverage [/.item]
-                  (case (/.item good_index sample)
+                  (when (/.item good_index sample)
                     {try.#Success member}
                     (/.member? n.equivalence sample member)
                     
@@ -119,7 +119,7 @@
                 (_.coverage [/.index_out_of_bounds]
                   (let [fails! (is (All (_ a) (-> (Try a) Bit))
                                    (function (_ situation)
-                                     (case situation
+                                     (when situation
                                        {try.#Success member}
                                        false
                                        
@@ -201,7 +201,7 @@
                                          (if (n.even? value)
                                            {.#Some (at n.decimal encoded value)}
                                            {.#None})))]
-                        (case [(|> sample
+                        (when [(|> sample
                                    (/.only n.even?)
                                    (/#each (at n.decimal encoded))
                                    (/.item 0))
diff --git a/stdlib/source/test/lux/data/collection/set/ordered.lux b/stdlib/source/test/lux/data/collection/set/ordered.lux
index cc68dbb85..cedc2db15 100644
--- a/stdlib/source/test/lux/data/collection/set/ordered.lux
+++ b/stdlib/source/test/lux/data/collection/set/ordered.lux
@@ -26,7 +26,7 @@
 
 (def .public (random size order gen_value)
   (All (_ a) (-> Nat (Order a) (Random a) (Random (Set a))))
-  (case size
+  (when size
     0
     (random#in (/.empty order))
 
@@ -74,7 +74,7 @@
                        (/#= setL)))
                  (,, (with_template [ ]
                        [(_.coverage []
-                          (case ( setL)
+                          (when ( setL)
                             {.#Some value}
                             (|> setL /.list (list.every? ( value)))
 
diff --git a/stdlib/source/test/lux/data/collection/stack.lux b/stdlib/source/test/lux/data/collection/stack.lux
index 51357230f..22935a5f9 100644
--- a/stdlib/source/test/lux/data/collection/stack.lux
+++ b/stdlib/source/test/lux/data/collection/stack.lux
@@ -45,14 +45,14 @@
              (_.coverage [/.empty]
                (/.empty? /.empty))
              (_.coverage [/.value]
-               (case (/.value sample)
+               (when (/.value sample)
                  {.#None}
                  (/.empty? sample)
                  
                  {.#Some _}
                  (not (/.empty? sample))))
              (_.coverage [/.next]
-               (case (/.next sample)
+               (when (/.next sample)
                  {.#None}
                  (/.empty? sample)
                  
@@ -61,7 +61,7 @@
                      sample
                      (/.top top remaining))))
              (_.coverage [/.top]
-               (case (/.next (/.top expected_top sample))
+               (when (/.next (/.top expected_top sample))
                  {.#Some [actual_top actual_sample]}
                  (and (same? expected_top actual_top)
                       (same? sample actual_sample))
diff --git a/stdlib/source/test/lux/data/collection/tree.lux b/stdlib/source/test/lux/data/collection/tree.lux
index 1193c4e9e..8f7ef89da 100644
--- a/stdlib/source/test/lux/data/collection/tree.lux
+++ b/stdlib/source/test/lux/data/collection/tree.lux
@@ -31,7 +31,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
        
diff --git a/stdlib/source/test/lux/data/collection/tree/finger.lux b/stdlib/source/test/lux/data/collection/tree/finger.lux
index f291a6e51..ff6e1b62f 100644
--- a/stdlib/source/test/lux/data/collection/tree/finger.lux
+++ b/stdlib/source/test/lux/data/collection/tree/finger.lux
@@ -51,20 +51,20 @@
                                        (at ..builder leaf tag_left expected_left)
                                        (at ..builder leaf tag_right expected_right))))))
              (_.coverage [/.root]
-               (and (case (/.root (at ..builder leaf tag_left expected_left))
+               (and (when (/.root (at ..builder leaf tag_left expected_left))
                       {.#Left actual}
                       (n.= expected_left actual)
                       
                       {.#Right _}
                       false)
-                    (case (/.root (at ..builder branch
+                    (when (/.root (at ..builder branch
                                       (at ..builder leaf tag_left expected_left)
                                       (at ..builder leaf tag_right expected_right)))
                       {.#Left _}
                       false
                       
                       {.#Right [left right]}
-                      (case [(/.root left)
+                      (when [(/.root left)
                              (/.root right)]
                         [{.#Left actual_left} {.#Left actual_right}]
                         (and (n.= expected_left actual_left)
diff --git a/stdlib/source/test/lux/data/format/json.lux b/stdlib/source/test/lux/data/format/json.lux
index d39552093..0b5dca612 100644
--- a/stdlib/source/test/lux/data/format/json.lux
+++ b/stdlib/source/test/lux/data/format/json.lux
@@ -54,7 +54,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
        
@@ -152,7 +152,7 @@
                   expected_string (random.unicode 1)
                   [boolean_field number_field string_field] (|> (random.set text.hash 3 (random.unicode 3))
                                                                 (at ! each (|>> set.list
-                                                                                (pipe.case
+                                                                                (pipe.when
                                                                                   (list boolean_field number_field string_field)
                                                                                   [boolean_field number_field string_field]
 
@@ -312,7 +312,7 @@
                  (_.coverage [/.Null /.null?]
                    (at bit.equivalence =
                        (/.null? sample)
-                       (case sample
+                       (when sample
                          {/.#Null} true
                          _ false))))
                (do random.monad
@@ -331,7 +331,7 @@
                         object (/.object expected)]]
                  (all _.and
                       (_.coverage [/.object /.fields]
-                        (case (/.fields object)
+                        (when (/.fields object)
                           {try.#Success actual}
                           (at (list.equivalence text.equivalence) =
                               (list#each product.left expected)
@@ -362,7 +362,7 @@
                                     (try.else false))
 
                                 cannot_find_unknown_key!
-                                (case (/.field unknown object)
+                                (when (/.field unknown object)
                                   {try.#Success _}
                                   false
 
diff --git a/stdlib/source/test/lux/data/format/tar.lux b/stdlib/source/test/lux/data/format/tar.lux
index 1101f9ca1..a858db473 100644
--- a/stdlib/source/test/lux/data/format/tar.lux
+++ b/stdlib/source/test/lux/data/format/tar.lux
@@ -47,7 +47,7 @@
                                    /.path_size)]
            (`` (all _.and
                     (_.coverage [/.path /.from_path]
-                      (case (/.path expected)
+                      (when (/.path expected)
                         {try.#Success actual}
                         (text#= expected
                                 (/.from_path actual))
@@ -57,14 +57,14 @@
                     (_.coverage [/.no_path]
                       (text#= "" (/.from_path /.no_path)))
                     (_.coverage [/.path_size /.path_is_too_long]
-                      (case (/.path invalid)
+                      (when (/.path invalid)
                         {try.#Success _}
                         false
 
                         {try.#Failure error}
                         (exception.match? /.path_is_too_long error)))
                     (_.coverage [/.not_ascii]
-                      (case (/.path not_ascii)
+                      (when (/.path not_ascii)
                         {try.#Success actual}
                         false
 
@@ -82,7 +82,7 @@
                                    /.name_size)]
            (`` (all _.and
                     (_.coverage [/.name /.from_name]
-                      (case (/.name expected)
+                      (when (/.name expected)
                         {try.#Success actual}
                         (text#= expected
                                 (/.from_name actual))
@@ -90,14 +90,14 @@
                         {try.#Failure error}
                         false))
                     (_.coverage [/.name_size /.name_is_too_long]
-                      (case (/.name invalid)
+                      (when (/.name invalid)
                         {try.#Success _}
                         false
 
                         {try.#Failure error}
                         (exception.match? /.name_is_too_long error)))
                     (_.coverage [/.not_ascii]
-                      (case (/.name not_ascii)
+                      (when (/.name not_ascii)
                         {try.#Success actual}
                         false
 
@@ -113,7 +113,7 @@
             invalid (|> random.nat (at ! each (n.max /.small_limit)))]
            (`` (all _.and
                     (_.coverage [/.small /.from_small]
-                      (case (/.small expected)
+                      (when (/.small expected)
                         {try.#Success actual}
                         (n.= expected
                              (/.from_small actual))
@@ -121,7 +121,7 @@
                         {try.#Failure error}
                         false))
                     (_.coverage [/.small_limit /.not_a_small_number]
-                      (case (/.small invalid)
+                      (when (/.small invalid)
                         {try.#Success actual}
                         false
 
@@ -137,7 +137,7 @@
             invalid (|> random.nat (at ! each (n.max /.big_limit)))]
            (`` (all _.and
                     (_.coverage [/.big /.from_big]
-                      (case (/.big expected)
+                      (when (/.big expected)
                         {try.#Success actual}
                         (n.= expected
                              (/.from_big actual))
@@ -145,7 +145,7 @@
                         {try.#Failure error}
                         false))
                     (_.coverage [/.big_limit /.not_a_big_number]
-                      (case (/.big invalid)
+                      (when (/.big invalid)
                         {try.#Success actual}
                         false
 
@@ -175,7 +175,7 @@
                              tar (|> (sequence.sequence { expected_path})
                                      (\\format.result /.format)
                                      (.result /.parser))]
-                            (in (case (sequence.list tar)
+                            (in (when (sequence.list tar)
                                   (list { actual_path})
                                   (text#= (/.from_path expected_path)
                                           (/.from_path actual_path))
@@ -204,7 +204,7 @@
                                                                             expected_content]})
                                                  (\\format.result /.format)
                                                  (.result /.parser))]
-                                        (in (case (sequence.list tar)
+                                        (in (when (sequence.list tar)
                                               (list { [actual_path actual_moment actual_mode actual_ownership actual_content]})
                                               (let [seconds (is (-> Instant Int)
                                                                 (|>> instant.relative (duration.ticks duration.second)))]
@@ -262,7 +262,7 @@
                                                                     content]})
                                      (\\format.result /.format)
                                      (.result /.parser))]
-                            (in (case (sequence.list tar)
+                            (in (when (sequence.list tar)
                                   (list {/.#Normal [_ _ actual_mode _ _]})
                                   (n.= (/.mode expected_mode)
                                        (/.mode actual_mode))
@@ -285,7 +285,7 @@
                                                                            content]})
                                             (\\format.result /.format)
                                             (.result /.parser))]
-                                   (in (case (sequence.list tar)
+                                   (in (when (sequence.list tar)
                                          (list {/.#Normal [_ _ actual_mode _ _]})
                                          (n.= (/.mode )
                                               (/.mode actual_mode))
@@ -324,14 +324,14 @@
     (_.for [/.Ownership /.Owner /.ID]
            (all _.and
                 (_.coverage [/.name_size /.name_is_too_long]
-                  (case (/.name invalid)
+                  (when (/.name invalid)
                     {try.#Success _}
                     false
 
                     {try.#Failure error}
                     (exception.match? /.name_is_too_long error)))
                 (_.coverage [/.not_ascii]
-                  (case (/.name not_ascii)
+                  (when (/.name not_ascii)
                     {try.#Success actual}
                     false
 
@@ -352,7 +352,7 @@
                                                                 content]})
                                  (\\format.result /.format)
                                  (.result /.parser))]
-                        (in (case (sequence.list tar)
+                        (in (when (sequence.list tar)
                               (list {/.#Normal [_ _ _ actual_ownership _]})
                               (and (text#= (/.from_name expected)
                                            (/.from_name (the [/.#user /.#name] actual_ownership)))
@@ -376,7 +376,7 @@
                                                                 content]})
                                  (\\format.result /.format)
                                  (.result /.parser))]
-                        (in (case (sequence.list tar)
+                        (in (when (sequence.list tar)
                               (list {/.#Normal [_ _ _ actual_ownership _]})
                               (and (text#= (/.from_name /.anonymous)
                                            (/.from_name (the [/.#user /.#name] actual_ownership)))
@@ -407,7 +407,7 @@
                    (try.else false)))
              (_.coverage [/.invalid_end_of_archive]
                (let [dump (\\format.result /.format sequence.empty)]
-                 (case (.result /.parser (binary#composite dump dump))
+                 (when (.result /.parser (binary#composite dump dump))
                    {try.#Success _}
                    false
                    
diff --git a/stdlib/source/test/lux/data/format/xml.lux b/stdlib/source/test/lux/data/format/xml.lux
index c4cccc987..44e3c2553 100644
--- a/stdlib/source/test/lux/data/format/xml.lux
+++ b/stdlib/source/test/lux/data/format/xml.lux
@@ -35,7 +35,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
        
diff --git a/stdlib/source/test/lux/data/sum.lux b/stdlib/source/test/lux/data/sum.lux
index 11430bb32..b0956f5ba 100644
--- a/stdlib/source/test/lux/data/sum.lux
+++ b/stdlib/source/test/lux/data/sum.lux
@@ -40,13 +40,13 @@
              (_.coverage [/.left]
                (|> (/.left expected)
                    (is (Or Nat Nat))
-                   (pipe.case
+                   (pipe.when
                      {0 #0 actual} (n.= expected actual)
                      _ false)))
              (_.coverage [/.right]
                (|> (/.right expected)
                    (is (Or Nat Nat))
-                   (pipe.case
+                   (pipe.when
                      {0 #1 actual} (n.= expected actual)
                      _ false)))
              (_.coverage [/.either]
@@ -62,11 +62,11 @@
                (and (|> (/.left expected)
                         (is (Or Nat Nat))
                         (/.then (n.+ shift) (n.- shift))
-                        (pipe.case {0 #0 actual} (n.= (n.+ shift expected) actual) _ false))
+                        (pipe.when {0 #0 actual} (n.= (n.+ shift expected) actual) _ false))
                     (|> (/.right expected)
                         (is (Or Nat Nat))
                         (/.then (n.+ shift) (n.- shift))
-                        (pipe.case {0 #1 actual} (n.= (n.- shift expected) actual) _ false))))
+                        (pipe.when {0 #1 actual} (n.= (n.- shift expected) actual) _ false))))
              (do !
                [size (at ! each (n.% 5) random.nat)
                 expected (random.list size random.nat)]
diff --git a/stdlib/source/test/lux/data/text.lux b/stdlib/source/test/lux/data/text.lux
index dca84b015..97fe18d59 100644
--- a/stdlib/source/test/lux/data/text.lux
+++ b/stdlib/source/test/lux/data/text.lux
@@ -195,7 +195,7 @@
                (do random.monad
                  [sample (random.maybe random.nat)]
                  (_.coverage [\\format.maybe]
-                   (case sample
+                   (when sample
                      {.#None}
                      true
                      
@@ -215,7 +215,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
        
@@ -224,7 +224,7 @@
 
 (def (should_fail' sample parser exception)
   (All (_ a e) (-> Text (\\parser.Parser a) (Exception e) Bit))
-  (case (\\parser.result parser sample)
+  (when (\\parser.result parser sample)
     {try.#Failure error}
     (exception.match? exception error)
     
@@ -233,7 +233,7 @@
 
 (def (should_fail sample parser)
   (All (_ a) (-> Text (\\parser.Parser a) Bit))
-  (case (\\parser.result parser sample)
+  (when (\\parser.result parser sample)
     {try.#Failure _}
     true
     
@@ -259,7 +259,7 @@
           range (at ! each (|>> (nat.% 50) (nat.+ 10)) random.nat)
           .let [limit (nat.+ offset range)]
           expected (at ! each (|>> (nat.% range) (nat.+ offset) /.of_char) random.nat)
-          out_of_range (case offset
+          out_of_range (when offset
                          0 (at ! each (|>> (nat.% 10) ++ (nat.+ limit) /.of_char) random.nat)
                          _ (at ! each (|>> (nat.% offset) /.of_char) random.nat))]
          (_.coverage [\\parser.range]
@@ -745,9 +745,9 @@
           .let [sample (|> characters set.list /.together)]
           expected (at ! each (nat.% size) random.nat)]
          (_.coverage [/.char]
-           (case (/.char expected sample)
+           (when (/.char expected sample)
              {.#Some char}
-             (case (/.index (/.of_char char) sample)
+             (when (/.index (/.of_char char) sample)
                {.#Some actual}
                (nat.= expected actual)
 
@@ -803,7 +803,7 @@
                (at /.monoid composite post static)
                (/.replaced_once pre post (at /.monoid composite pre static))))
          (_.coverage [/.split_by]
-           (case (/.split_by static (all (at /.monoid composite) pre static post))
+           (when (/.split_by static (all (at /.monoid composite) pre static post))
              {.#Some [left right]}
              (and (at /.equivalence = pre left)
                   (at /.equivalence = post right))
@@ -883,7 +883,7 @@
              (all _.and
                   (_.coverage [/.split_at]
                     (|> (/.split_at sizeL sample)
-                        (pipe.case
+                        (pipe.when
                           {.#Right [_l _r]}
                           (and (/#= sampleL _l)
                                (/#= sampleR _r)
@@ -896,7 +896,7 @@
                          (/.clip sizeL (nat.- sizeL (/.size sample)) sample)
                          (/.clip_since sizeL sample)
                          (/.clip_since 0 sample)]
-                        (pipe.case
+                        (pipe.when
                           [{.#Right _l} {.#Right _r} {.#Right _r'} {.#Right _f}]
                           (and (/#= sampleL _l)
                                (/#= sampleR _r)
diff --git a/stdlib/source/test/lux/data/text/escape.lux b/stdlib/source/test/lux/data/text/escape.lux
index 1ac4b1904..554aaa16f 100644
--- a/stdlib/source/test/lux/data/text/escape.lux
+++ b/stdlib/source/test/lux/data/text/escape.lux
@@ -107,7 +107,7 @@
                  (if (or (/.escapable? left)
                          (/.escapable? right))
                    (let [escaped (/.escaped expected)]
-                     (case (/.un_escaped escaped)
+                     (when (/.un_escaped escaped)
                        {try.#Success un_escaped}
                        (and (not (text#= escaped expected))
                             (text#= un_escaped expected))
@@ -119,7 +119,7 @@
              [dummy (|> (random.char unicode.character)
                         (at ! each text.of_char))]
              (_.coverage [/.dangling_escape]
-               (case (/.un_escaped (format (/.escaped dummy) "\"))
+               (when (/.un_escaped (format (/.escaped dummy) "\"))
                  {try.#Success _}
                  false
 
@@ -130,7 +130,7 @@
                         (random.only (|>> (set.member? ..valid_sigils) not))
                         (at ! each text.of_char))]
              (_.coverage [/.invalid_escape]
-               (case (/.un_escaped (format "\" dummy))
+               (when (/.un_escaped (format "\" dummy))
                  {try.#Success _}
                  false
 
@@ -141,12 +141,12 @@
                             (at ! each (n.% (hex "1000"))))
               code (|> (random.unicode 4)
                        (random.only (function (_ code)
-                                      (case (at n.hex decoded code)
+                                      (when (at n.hex decoded code)
                                         {try.#Failure error} true
                                         {try.#Success _} false))))]
              (_.coverage [/.invalid_unicode_escape]
                (template.let [(!invalid )
-                              [(case (/.un_escaped (format "\u" ))
+                              [(when (/.un_escaped (format "\u" ))
                                  {try.#Success _}
                                  false
 
diff --git a/stdlib/source/test/lux/data/text/regex.lux b/stdlib/source/test/lux/data/text/regex.lux
index d5be70ce1..1b1b8ec95 100644
--- a/stdlib/source/test/lux/data/text/regex.lux
+++ b/stdlib/source/test/lux/data/text/regex.lux
@@ -28,7 +28,7 @@
   (-> (Parser Text) Text Bit)
   (|> input
       (.result regex)
-      (pipe.case
+      (pipe.when
         {try.#Success parsed}
         (text#= parsed input)
 
@@ -39,7 +39,7 @@
   (-> Text (Parser Text) Text Bit)
   (|> input
       (.result regex)
-      (pipe.case
+      (pipe.when
         {try.#Success parsed}
         (text#= test parsed)
 
@@ -50,7 +50,7 @@
   (All (_ a) (-> (Parser a) Text Bit))
   (|> input
       (.result regex)
-      (pipe.case
+      (pipe.when
         {try.#Failure _}
         true
 
@@ -64,7 +64,7 @@
     (macro.with_symbols [g!message g!_]
       (in (list (` (|> (, input)
                        (.result (, regex))
-                       (pipe.case
+                       (pipe.when
                          {try.#Success (, pattern)}
                          true
 
@@ -282,7 +282,7 @@
 (def expands?
   (syntax (_ [form .any])
     (function (_ lux)
-      {try.#Success [lux (list (code.bit (case (expansion.single form lux)
+      {try.#Success [lux (list (code.bit (when (expansion.single form lux)
                                            {try.#Success _}
                                            true
 
@@ -310,7 +310,7 @@
               sample2 (random.unicode 3)
               sample3 (random.unicode 4)]
              (_.coverage [/.pattern]
-               (case (format sample1 "-" sample2 "-" sample3)
+               (when (format sample1 "-" sample2 "-" sample3)
                  (/.pattern "(.{3})-(.{3})-(.{4})"
                             [_ match1 match2 match3])
                  (and (text#= sample1 match1)
diff --git a/stdlib/source/test/lux/debug.lux b/stdlib/source/test/lux/debug.lux
index 6332cfa59..1612f17b4 100644
--- a/stdlib/source/test/lux/debug.lux
+++ b/stdlib/source/test/lux/debug.lux
@@ -78,7 +78,7 @@
     [sample_bit random.bit
      sample_int random.int
      sample_frac random.frac]
-    (in (`` (and (case (/.representation (type_literal [Bit Int Frac])
+    (in (`` (and (when (/.representation (type_literal [Bit Int Frac])
                                          [sample_bit sample_int sample_frac])
                    {try.#Success actual}
                    (text#= (format "[" (%.bit sample_bit)
@@ -186,7 +186,7 @@
                           ))
                     )))
          (_.coverage [/.cannot_represent_value]
-           (case (/.representation (-> Nat Nat) (|>>))
+           (when (/.representation (-> Nat Nat) (|>>))
              {try.#Success representation}
              false
 
@@ -221,7 +221,7 @@
 (def macro_error
   (syntax (_ [macro .any])
     (function (_ compiler)
-      (case ((expansion.complete macro) compiler)
+      (when ((expansion.complete macro) compiler)
         {try.#Failure error}
         {try.#Success [compiler (list (code.text error))]}
         
diff --git a/stdlib/source/test/lux/documentation.lux b/stdlib/source/test/lux/documentation.lux
index 2d162fb2a..f691453e1 100644
--- a/stdlib/source/test/lux/documentation.lux
+++ b/stdlib/source/test/lux/documentation.lux
@@ -25,7 +25,7 @@
 (def macro_error
   (syntax (_ [macro .any])
     (function (_ compiler)
-      {try.#Success [compiler (list (code.bit (case ((expansion.complete macro) compiler)
+      {try.#Success [compiler (list (code.bit (when ((expansion.complete macro) compiler)
                                                 {try.#Failure error}
                                                 true
                                                 
diff --git a/stdlib/source/test/lux/ffi.jvm.lux b/stdlib/source/test/lux/ffi.jvm.lux
index 5b3e2bb80..d7d05321d 100644
--- a/stdlib/source/test/lux/ffi.jvm.lux
+++ b/stdlib/source/test/lux/ffi.jvm.lux
@@ -78,7 +78,7 @@
     (function (_ lux)
       (|> (expansion.single expression)
           (meta.result lux)
-          (pipe.case
+          (pipe.when
             {try.#Success expansion}
             {try.#Failure "OOPS!"}
             
@@ -169,10 +169,10 @@
          bit/0 random.bit]
         (all _.and
              (_.coverage [/.as]
-               (and (case (/.as java/lang/String sample) {.#Some _} true {.#None} false)
-                    (case (/.as java/lang/Long sample) {.#Some _} false {.#None} true)
-                    (case (/.as java/lang/Object sample) {.#Some _} true {.#None} false)
-                    (case (/.as java/lang/Object (/.null)) {.#Some _} false {.#None} true)))
+               (and (when (/.as java/lang/String sample) {.#Some _} true {.#None} false)
+                    (when (/.as java/lang/Long sample) {.#Some _} false {.#None} true)
+                    (when (/.as java/lang/Object sample) {.#Some _} true {.#None} false)
+                    (when (/.as java/lang/Object (/.null)) {.#Some _} false {.#None} true)))
              (_.coverage [/.synchronized]
                (/.synchronized sample true))
              (_.coverage [/.class_for]
@@ -183,7 +183,7 @@
              (_.coverage [/.???]
                (and (|> (/.??? (/.null))
                         (is (Maybe java/lang/Object))
-                        (pipe.case
+                        (pipe.when
                           {.#None}
                           true
                           
@@ -191,7 +191,7 @@
                           false))
                     (|> (/.??? sample)
                         (is (Maybe java/lang/Object))
-                        (pipe.case
+                        (pipe.when
                           {.#Some _}
                           true
                           
@@ -331,14 +331,14 @@
                          (/.as_long (.int expected))
                          (panic! "YOLO"))))
            example/1!
-           (and (case (test/TestInterface1::actual1 (/.as_boolean false) object/1)
+           (and (when (test/TestInterface1::actual1 (/.as_boolean false) object/1)
                   {try.#Success actual}
                   (same? (is Any expected)
                          (is Any actual))
                   
                   {try.#Failure error}
                   false)
-                (case (test/TestInterface1::actual1 (/.as_boolean true) object/1)
+                (when (test/TestInterface1::actual1 (/.as_boolean true) object/1)
                   {try.#Success actual}
                   false
                   
@@ -572,14 +572,14 @@
 
            object/1 (test/TestClass1::new (/.as_long (.int expected)))
            example/1!
-           (and (case (test/TestInterface1::actual1 (/.as_boolean false) object/1)
+           (and (when (test/TestInterface1::actual1 (/.as_boolean false) object/1)
                   {try.#Success actual}
                   (n.= expected
                        (.nat (/.of_long actual)))
                   
                   {try.#Failure error}
                   false)
-                (case (test/TestInterface1::actual1 (/.as_boolean true) object/1)
+                (when (test/TestInterface1::actual1 (/.as_boolean true) object/1)
                   {try.#Success actual}
                   false
                   
@@ -680,7 +680,7 @@
     (function (_ lux)
       (|> (expansion.single expression)
           (meta.result lux)
-          (pipe.case
+          (pipe.when
             {try.#Success expansion}
             true
             
@@ -720,7 +720,7 @@
                       (try.else false))
                   (|> (list (code.local var/2))
                       (.result type_variable)
-                      (pipe.case
+                      (pipe.when
                         {try.#Failure error}
                         (exception.match? /.unknown_type_variable error)
                         
diff --git a/stdlib/source/test/lux/ffi.lua.lux b/stdlib/source/test/lux/ffi.lua.lux
index a3a036d34..d2d81a6b3 100644
--- a/stdlib/source/test/lux/ffi.lua.lux
+++ b/stdlib/source/test/lux/ffi.lua.lux
@@ -58,7 +58,7 @@
                          (is (Ex (_ a) (/.Object a))))
                      true))
                  (_.coverage [/.import]
-                   (case (io.run! (..os/getenv string))
+                   (when (io.run! (..os/getenv string))
                      {.#Some _} true
                      {.#None} true))
 
diff --git a/stdlib/source/test/lux/ffi.old.lux b/stdlib/source/test/lux/ffi.old.lux
index ce7164514..5feb469ec 100644
--- a/stdlib/source/test/lux/ffi.old.lux
+++ b/stdlib/source/test/lux/ffi.old.lux
@@ -184,14 +184,14 @@
                 (not (/.null? sample))))
          (_.coverage [/.???]
            (and (|> (is (Maybe java/lang/Object) (/.??? (/.null)))
-                    (pipe.case
+                    (pipe.when
                       {.#None}
                       true
                       
                       _
                       false))
                 (|> (is (Maybe java/lang/Object) (/.??? sample))
-                    (pipe.case
+                    (pipe.when
                       {.#Some _}
                       true
                       
@@ -210,10 +210,10 @@
      increase random.int]
     (all _.and
          (_.coverage [/.as]
-           (and (case (/.as java/lang/String sample) {.#Some _} true {.#None} false)
-                (case (/.as java/lang/Long sample) {.#Some _} false {.#None} true)
-                (case (/.as java/lang/Object sample) {.#Some _} true {.#None} false)
-                (case (/.as java/lang/Object (/.null)) {.#Some _} false {.#None} true)))
+           (and (when (/.as java/lang/String sample) {.#Some _} true {.#None} false)
+                (when (/.as java/lang/Long sample) {.#Some _} false {.#None} true)
+                (when (/.as java/lang/Object sample) {.#Some _} true {.#None} false)
+                (when (/.as java/lang/Object (/.null)) {.#Some _} false {.#None} true)))
          (_.coverage [/.synchronized]
            (/.synchronized sample true))
          (_.coverage [/.class_for /.import]
diff --git a/stdlib/source/test/lux/math/logic/fuzzy.lux b/stdlib/source/test/lux/math/logic/fuzzy.lux
index dd2f7d00a..345578ead 100644
--- a/stdlib/source/test/lux/math/logic/fuzzy.lux
+++ b/stdlib/source/test/lux/math/logic/fuzzy.lux
@@ -92,7 +92,7 @@
          (random.set r.hash 4)
          (at ! each (|>> set.list (list.sorted r.<)))
          (random.one (function (_ thresholds)
-                       (case thresholds
+                       (when thresholds
                          (list threshold_0 threshold_1 threshold_2 threshold_3)
                          {.#Some [threshold_0 threshold_1 threshold_2 threshold_3]}
 
@@ -176,7 +176,7 @@
              (random.set r.hash 4)
              (at ! each (|>> set.list (list.sorted r.<)))
              (random.one (function (_ thresholds)
-                           (case thresholds
+                           (when thresholds
                              (list threshold_0 threshold_1 threshold_2 threshold_3)
                              {.#Some [threshold_0 threshold_1 threshold_2 threshold_3]}
 
diff --git a/stdlib/source/test/lux/math/modular.lux b/stdlib/source/test/lux/math/modular.lux
index 2e959b428..44610bd3c 100644
--- a/stdlib/source/test/lux/math/modular.lux
+++ b/stdlib/source/test/lux/math/modular.lux
@@ -66,7 +66,7 @@
                         ($codec.spec /.equivalence (/.codec subject::%) (..random subject::%)))
 
                  (_.coverage [/.incorrect_modulus]
-                   (case (|> param
+                   (when (|> param
                              (at (/.codec param::%) encoded)
                              (at (/.codec subject::%) decoded))
                      {try.#Failure error}
@@ -98,7 +98,7 @@
                    (let [one (/.modular (/.modulus subject) +1)
                          co_prime? (i.co_prime? (//.divisor (/.modulus subject))
                                                 (/.value subject))]
-                     (case (/.inverse subject)
+                     (when (/.inverse subject)
                        {.#Some subject^-1}
                        (and co_prime?
                             (|> subject
@@ -118,7 +118,7 @@
                                  adapt
                                  (/.= subject))))))
                  (_.coverage [/.moduli_are_not_equal]
-                   (case (/.adapter subject::% param::%)
+                   (when (/.adapter subject::% param::%)
                      {try.#Failure error}
                      (exception.match? /.moduli_are_not_equal error)
                      
diff --git a/stdlib/source/test/lux/math/modulus.lux b/stdlib/source/test/lux/math/modulus.lux
index c1f61a289..49c406b9b 100644
--- a/stdlib/source/test/lux/math/modulus.lux
+++ b/stdlib/source/test/lux/math/modulus.lux
@@ -23,7 +23,7 @@
   (syntax (_ [])
     (do meta.monad
       [divisor meta.seed]
-      (in (list (code.int (case divisor
+      (in (list (code.int (when divisor
                             0 +1
                             _ (.int divisor))))))))
 
@@ -43,14 +43,14 @@
          dividend random.int]
         (all _.and
              (_.coverage [/.modulus /.divisor]
-               (case (/.modulus divisor)
+               (when (/.modulus divisor)
                  {try.#Success modulus}
                  (i.= divisor (/.divisor modulus))
                  
                  {try.#Failure error}
                  (i.= +0 divisor)))
              (_.coverage [/.zero_cannot_be_a_modulus]
-               (case (/.modulus +0)
+               (when (/.modulus +0)
                  {try.#Failure error}
                  (exception.match? /.zero_cannot_be_a_modulus error)
 
diff --git a/stdlib/source/test/lux/math/number.lux b/stdlib/source/test/lux/math/number.lux
index d5d9fb557..536448d48 100644
--- a/stdlib/source/test/lux/math/number.lux
+++ b/stdlib/source/test/lux/math/number.lux
@@ -35,7 +35,7 @@
       (all _.and
            (_.coverage [/.bin]
              (`` (and (,, (with_template [<=>  ]
-                            [(case (at  decoded (..clean_commas ))
+                            [(when (at  decoded (..clean_commas ))
                                {try.#Success actual}
                                (<=> (/.bin ) actual)
 
@@ -54,7 +54,7 @@
                             )))))
            (_.coverage [/.oct]
              (`` (and (,, (with_template [<=>  ]
-                            [(case (at  decoded (..clean_commas ))
+                            [(when (at  decoded (..clean_commas ))
                                {try.#Success actual}
                                (<=> (/.oct ) actual)
 
@@ -73,7 +73,7 @@
                             )))))
            (_.coverage [/.hex]
              (`` (and (,, (with_template [<=>  ]
-                            [(case (at  decoded (..clean_commas ))
+                            [(when (at  decoded (..clean_commas ))
                                {try.#Success actual}
                                (<=> (/.hex ) actual)
 
diff --git a/stdlib/source/test/lux/math/number/i64.lux b/stdlib/source/test/lux/math/number/i64.lux
index 6b4081342..025c41346 100644
--- a/stdlib/source/test/lux/math/number/i64.lux
+++ b/stdlib/source/test/lux/math/number/i64.lux
@@ -103,7 +103,7 @@
                 .let [spare (n.- size /.width)]
                 offset (at ! each (n.% spare) random.nat)]
                (_.coverage [/.region]
-                 (case size
+                 (when size
                    0 (/#= /.false (/.region offset size))
                    _ (/#= (|> pattern
                               ... NNNNYYYYNNNN
@@ -124,7 +124,7 @@
   (_.for [/.Sub]
          (do [! random.monad]
            [size (at ! each (n.% /.width) random.nat)]
-           (case (/.sub size)
+           (when (/.sub size)
              {.#None}
              (_.coverage [/.sub]
                (n.= 0 size))
diff --git a/stdlib/source/test/lux/math/number/ratio.lux b/stdlib/source/test/lux/math/number/ratio.lux
index b81cc91c6..74c9a9ca7 100644
--- a/stdlib/source/test/lux/math/number/ratio.lux
+++ b/stdlib/source/test/lux/math/number/ratio.lux
@@ -79,7 +79,7 @@
                              (maybe.else false))
 
                          with_denominator!
-                         (case (/.nat (/.ratio numerator denominator))
+                         (when (/.nat (/.ratio numerator denominator))
                            {.#Some factor}
                            (and (n.= 0 (n.% denominator numerator))
                                 (n.= numerator (n.* factor denominator)))
@@ -111,7 +111,7 @@
                          div (|> right (/.- rem) (/./ left))]
                      (and (/.= right
                                (|> div (/.* left) (/.+ rem)))
-                          (case (/.nat div)
+                          (when (/.nat div)
                             {.#Some _} true
                             {.#None}   false)))))
                (do random.monad
diff --git a/stdlib/source/test/lux/meta.lux b/stdlib/source/test/lux/meta.lux
index 98081de7f..fa3fd7f7a 100644
--- a/stdlib/source/test/lux/meta.lux
+++ b/stdlib/source/test/lux/meta.lux
@@ -77,7 +77,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
         true
        _ false)]))
 
@@ -432,7 +432,7 @@
                                            (list [expected_short
                                                   {.#Alias [expected_macro_module expected_short]}]))
                        macro_globals (is (List [Text .Global])
-                                         (case def_type
+                                         (when def_type
                                            {.#Some def_type}
                                            (list [expected_short
                                                   {.#Definition [exported? def_type expected_value]}])
@@ -548,7 +548,7 @@
                                            (list [expected_short
                                                   {.#Alias [expected_macro_module expected_short]}]))
                        macro_globals (is (List [Text .Global])
-                                         (case def_type
+                                         (when def_type
                                            {.#Some def_type}
                                            (list [expected_short
                                                   {.#Definition [exported? def_type expected_value]}])
@@ -846,7 +846,7 @@
                                               (random.set text.hash 5)
                                               (at ! each set.list)
                                               (random.one (function (_ values)
-                                                            (case values
+                                                            (when values
                                                               (list name_0 name_1 name_2 name_3 name_4)
                                                               {.#Some [name_0 name_1 name_2 name_3 name_4]}
 
@@ -971,7 +971,7 @@
 (def (comparison init)
   (-> Lux (Comparison Meta))
   (function (_ == left right)
-    (case [(/.result init left)
+    (when [(/.result init left)
            (/.result init right)]
       [{try.#Success left} {try.#Success right}]
       (== left right)
diff --git a/stdlib/source/test/lux/meta/code.lux b/stdlib/source/test/lux/meta/code.lux
index 80c1bbe65..7e35b1c9f 100644
--- a/stdlib/source/test/lux/meta/code.lux
+++ b/stdlib/source/test/lux/meta/code.lux
@@ -39,7 +39,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
        
@@ -207,7 +207,7 @@
                             (text.size source_code))
         start (is Source
                   [location.dummy 0 source_code])]
-    (case (parse start)
+    (when (parse start)
       {.#Left [end error]}
       {try.#Failure error}
       
@@ -250,7 +250,7 @@
                  [(do [! random.monad]
                     [expected ]
                     (_.coverage []
-                      (and (case (..read (/.format ( expected)))
+                      (and (when (..read (/.format ( expected)))
                              {try.#Success actual}
                              (at /.equivalence =
                                  actual
@@ -276,7 +276,7 @@
                  [(do [! random.monad]
                     [expected ]
                     (_.coverage []
-                      (and (case (..read (/.format ( expected)))
+                      (and (when (..read (/.format ( expected)))
                              {try.#Success actual}
                              (at /.equivalence =
                                  actual
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/analysis.lux b/stdlib/source/test/lux/meta/compiler/language/lux/analysis.lux
index 4fdb983a1..69e3885f8 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/analysis.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/analysis.lux
@@ -67,7 +67,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
 
@@ -91,7 +91,7 @@
                    (_.coverage [\\parser.result \\parser.any]
                      (|> (list expected)
                          (\\parser.result \\parser.any)
-                         (pipe.case
+                         (pipe.when
                            {try.#Success actual}
                            (at /.equivalence = expected actual)
 
@@ -103,7 +103,7 @@
                           (_.coverage []
                             (|> (list ( expected))
                                 (\\parser.result )
-                                (pipe.case
+                                (pipe.when
                                   {try.#Success actual}
                                   (<=> expected actual)
 
@@ -131,7 +131,7 @@
                    (_.coverage [\\parser.tuple]
                      (|> (list (/.tuple (list (/.bit expected))))
                          (\\parser.result (\\parser.tuple \\parser.bit))
-                         (pipe.case
+                         (pipe.when
                            {try.#Success actual}
                            (bit#= expected actual)
 
@@ -160,7 +160,7 @@
                    (_.coverage [\\parser.cannot_parse]
                      (and (|> (list (/.bit expected))
                               (\\parser.result \\parser.nat)
-                              (pipe.case
+                              (pipe.when
                                 {try.#Success _}
                                 false
 
@@ -168,7 +168,7 @@
                                 (exception.match? \\parser.cannot_parse error)))
                           (|> (list)
                               (\\parser.result \\parser.bit)
-                              (pipe.case
+                              (pipe.when
                                 {try.#Success _}
                                 false
 
@@ -179,7 +179,7 @@
                    (_.coverage [\\parser.unconsumed_input]
                      (|> (list (/.bit expected) (/.bit expected))
                          (\\parser.result \\parser.bit)
-                         (pipe.case
+                         (pipe.when
                            {try.#Success _}
                            false
 
@@ -205,7 +205,7 @@
   (-> Nat (Random /.Analysis))
   (<| random.rec
       (function (_ random))
-      (let [random|case (all random.and
+      (let [random|when (all random.and
                              random
                              (..random_match multiplicity random)
                              )
@@ -225,7 +225,7 @@
            /simple.random
            (/complex.random multiplicity random)
            /reference.random
-           random|case
+           random|when
            random|function
            random|apply
            random|extension
@@ -242,7 +242,7 @@
      text (random.lower_case 1)]
     (`` (all _.and
              (_.coverage [/.unit]
-               (case (/.unit)
+               (when (/.unit)
                  (/.unit)
                  true
                  
@@ -250,7 +250,7 @@
                  false))
              (,, (with_template [ ]
                    [(_.coverage []
-                      (case ( )
+                      (when ( )
                         ( actual)
                         (same?  actual)
                         
@@ -277,7 +277,7 @@
            (let [expected (if expected_right?
                             expected_right
                             expected_left)]
-             (case (/.variant [expected_lefts expected_right? expected])
+             (when (/.variant [expected_lefts expected_right? expected])
                (/.variant [actual_lefts actual_right? actual])
                (and (same? expected_lefts actual_lefts)
                     (same? expected_right? actual_right?)
@@ -286,7 +286,7 @@
                _
                false)))
          (_.coverage [/.tuple]
-           (case (/.tuple (list expected_left expected_right))
+           (when (/.tuple (list expected_left expected_right))
              (/.tuple (list actual_left actual_right))
              (and (same? expected_left actual_left)
                   (same? expected_right actual_right))
@@ -304,7 +304,7 @@
     (`` (all _.and
              (,, (with_template [ ]
                    [(_.coverage []
-                      (case ( )
+                      (when ( )
                         ( actual)
                         (same?  actual)
 
@@ -320,7 +320,7 @@
 
 (def tagged?
   (template (_  )
-    [(case 
+    [(when 
        { _}
        true
 
@@ -336,7 +336,7 @@
      expected_parameter/1 (..random 2)]
     (all _.and
          (_.coverage [/.reified /.reification]
-           (case (|> [expected_abstraction (list expected_parameter/0 expected_parameter/1)]
+           (when (|> [expected_abstraction (list expected_parameter/0 expected_parameter/1)]
                      /.reified
                      /.reification)
              [actual_abstraction (list actual_parameter/0 actual_parameter/1)]
@@ -347,7 +347,7 @@
              _
              false))
          (_.coverage [/.no_op]
-           (case (/.no_op expected_parameter/0)
+           (when (/.no_op expected_parameter/0)
              (/.no_op actual)
              (same? expected_parameter/0 actual)
 
@@ -355,15 +355,15 @@
              false))
          )))
 
-(def test|case
+(def test|when
   Test
   (do random.monad
     [expected_input (..random 2)
      expected_match (random_match 2 (..random 2))]
     (all _.and
-         (_.coverage [/.case]
-           (case (/.case [expected_input expected_match])
-             (/.case [actual_input actual_match])
+         (_.coverage [/.when]
+           (when (/.when [expected_input expected_match])
+             (/.when [actual_input actual_match])
              (and (same? expected_input actual_input)
                   (same? expected_match actual_match))
 
@@ -405,7 +405,7 @@
              (|> (/.failure expected_error)
                  (phase.result [extension.#bundle extension.empty
                                 extension.#state state/0])
-                 (pipe.case
+                 (pipe.when
                    {try.#Failure actual_error}
                    (and (text.contains? expected_error actual_error)
                         (text.contains? (location.format location/0) actual_error))
@@ -416,7 +416,7 @@
              (|> (/.except  [])
                  (phase.result [extension.#bundle extension.empty
                                 extension.#state state/0])
-                 (pipe.case
+                 (pipe.when
                    {try.#Failure actual_error}
                    (and (text.contains? (exception.error  []) actual_error)
                         (text.contains? (location.format location/0) actual_error))
@@ -428,7 +428,7 @@
                  (/.with_exception  [])
                  (phase.result [extension.#bundle extension.empty
                                 extension.#state state/0])
-                 (pipe.case
+                 (pipe.when
                    {try.#Failure actual_error}
                    (and (text.contains? expected_error actual_error)
                         (text.contains? (exception.error  []) actual_error)
@@ -440,7 +440,7 @@
              (and (|> (/.assertion  [] false)
                       (phase.result [extension.#bundle extension.empty
                                      extension.#state state/0])
-                      (pipe.case
+                      (pipe.when
                         {try.#Failure actual_error}
                         (and (text.contains? (exception.error  []) actual_error)
                              (text.contains? (location.format location/0) actual_error))
@@ -450,7 +450,7 @@
                   (|> (/.assertion  [] true)
                       (phase.result [extension.#bundle extension.empty
                                      extension.#state state/0])
-                      (pipe.case
+                      (pipe.when
                         {try.#Success _}
                         true
 
@@ -496,7 +496,7 @@
                   (list.empty? (the .#modules it))
                   (list.empty? (the .#scopes it))
                   (list.empty? (the [.#type_context .#var_bindings] it))
-                  (case (the .#source it)
+                  (when (the .#source it)
                     [location 0 ""]
                     (same? location.dummy location)
 
@@ -508,7 +508,7 @@
                  (extension.read (|>> (the .#current_module) (maybe.else ""))))
                (phase.result [extension.#bundle extension.empty
                               extension.#state state])
-               (pipe.case
+               (pipe.when
                  {try.#Success actual}
                  (same? expected_module actual)
 
@@ -535,7 +535,7 @@
                    (extension.read (the .#location)))
                  (phase.result [extension.#bundle extension.empty
                                 extension.#state state])
-                 (pipe.case
+                 (pipe.when
                    {try.#Success actual}
                    (same? expected actual)
 
@@ -564,7 +564,7 @@
                    (extension.read (the .#source)))
                  (phase.result [extension.#bundle extension.empty
                                 extension.#state state])
-                 (pipe.case
+                 (pipe.when
                    {try.#Success actual}
                    (same? expected actual)
 
@@ -605,7 +605,7 @@
              (_.for [/.Reification]
                     ..test|reification)
              (_.for [/.Branch /.Branch' /.Match /.Match']
-                    ..test|case)
+                    ..test|when)
              (_.for [/.Operation /.Phase /.Handler /.Bundle]
                     ..test|phase)
              (_.for [/.State+]
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/coverage.lux b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/coverage.lux
index 7272d6c98..0268893df 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/coverage.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/coverage.lux
@@ -60,11 +60,11 @@
            (all random.and
                 (random.maybe (random#in ..spread))
                 (do [! random.monad]
-                  [cases ..random_tag
-                   cases (random.set n.hash cases ..random_tag)]
-                  (|> cases
+                  [whens ..random_tag
+                   whens (random.set n.hash whens ..random_tag)]
+                  (|> whens
                       set.list
-                      (monad.each ! (function (_ case) (at ! each (|>> [case]) again)))
+                      (monad.each ! (function (_ when) (at ! each (|>> [when]) again)))
                       (at ! each (dictionary.of_list n.hash))))
                 )
            (random.and again again)
@@ -121,7 +121,7 @@
                  (in [(|> coverages
                           (list.only (|>> /.exhaustive? not))
                           list.reversed
-                          (pipe.case
+                          (pipe.when
                             {.#End}
                             {/.#Exhaustive}
                             
@@ -140,7 +140,7 @@
 
 (def (failure? exception it)
   (All (_ a) (-> (Exception a) (Try /.Coverage) Bit))
-  (case it
+  (when it
     {try.#Failure error}
     (exception.match? exception error)
 
@@ -212,22 +212,22 @@
          .let [random_tag (random#each (n.% expected_maximum) random.nat)]
          tag/0 random_tag
          tag/1 (random.only (|>> (n.= tag/0) not) random_tag)
-         .let [cases (dictionary.of_list n.hash (list [tag/0 expected/0]
+         .let [whens (dictionary.of_list n.hash (list [tag/0 expected/0]
                                                       [tag/1 expected/1]))
                expected_minimum (++ (n.max tag/0 tag/1))]]
         (all _.and
              (_.coverage [/.minimum]
-               (and (n.= expected_minimum (/.minimum [{.#None} cases]))
-                    (n.= expected_maximum (/.minimum [{.#Some expected_maximum} cases]))))
+               (and (n.= expected_minimum (/.minimum [{.#None} whens]))
+                    (n.= expected_maximum (/.minimum [{.#Some expected_maximum} whens]))))
              (_.coverage [/.maximum]
-               (and (n.= n#top (/.maximum [{.#None} cases]))
-                    (n.= expected_maximum (/.maximum [{.#Some expected_maximum} cases]))))
+               (and (n.= n#top (/.maximum [{.#None} whens]))
+                    (n.= expected_maximum (/.maximum [{.#Some expected_maximum} whens]))))
              ))))
 
 (def random_value_pattern
   (Random [/.Coverage Pattern])
   (random.only (function (_ [coverage pattern])
-                 (case coverage
+                 (when coverage
                    (^.or {/.#Alt _} {/.#Seq _})
                    false
 
@@ -245,7 +245,7 @@
          [expected/2 pattern/2] (random.only (all predicate.and
                                                   (|>> product.left (/#= expected/0) not)
                                                   (|>> product.left (/#= expected/1) not)
-                                                  (|>> product.left (pipe.case {/.#Variant _} false _ true)))
+                                                  (|>> product.left (pipe.when {/.#Variant _} false _ true)))
                                              ..random_value_pattern)
 
          bit random.bit
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/inference.lux b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/inference.lux
index 127af213b..9fa7c48ba 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/inference.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/inference.lux
@@ -75,7 +75,7 @@
 
 (def (fails? exception try)
   (All (_ e a) (-> (Exception e) (Try a) Bit))
-  (case try
+  (when try
     {try.#Success _}
     false
     
@@ -239,7 +239,7 @@
                                        [inferT (/.variant lefts right? variant)
                                         [_ [it _]] (|> (/.general archive.empty ..analysis inferT (list term))
                                                        //type.inferring)]
-                                       (case inferred
+                                       (when inferred
                                          {.#Some inferred}
                                          (//type.check
                                           (do check.monad
@@ -339,7 +339,7 @@
                                [inference (/.record arity record)
                                 [_ [it _]] (|> (/.general archive.empty ..analysis inference terms)
                                                //type.inferring)]
-                               (case expected
+                               (when expected
                                  {.#Some expected}
                                  (//type.check
                                   (do check.monad
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/macro.lux b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/macro.lux
index 2d29df1d8..8c93097e9 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/macro.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/macro.lux
@@ -65,7 +65,7 @@
          .let [singular (<| (as Macro)
                             (is Macro')
                             (function (_ inputs state)
-                              (case (list.item choice inputs)
+                              (when (list.item choice inputs)
                                 {.#Some it}
                                 {try.#Success [state (list it)]}
 
@@ -87,7 +87,7 @@
            (_.coverage [/.expansion_failed]
              (|> (/.expansion ..expander name singular (list))
                  (meta.result lux)
-                 (pipe.case
+                 (pipe.when
                    {try.#Failure it}
                    (and (text.contains? expected_error it)
                         (text.contains? (the exception.#label /.expansion_failed) it))
@@ -102,7 +102,7 @@
            (_.coverage [/.must_have_single_expansion]
              (|> (/.single_expansion ..expander name multiple (list mono))
                  (meta.result lux)
-                 (pipe.case
+                 (pipe.when
                    {try.#Failure it}
                    (text.contains? (the exception.#label /.must_have_single_expansion) it)
 
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/module.lux b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/module.lux
index 4bb9269cf..58a2e03fa 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/module.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/module.lux
@@ -51,7 +51,7 @@
        (list.empty? (the .#module_aliases it))
        (list.empty? (the .#definitions it))
        (list.empty? (the .#imports it))
-       (case (the .#module_state it)
+       (when (the .#module_state it)
          {.#Active}
          true
          
@@ -122,7 +122,7 @@
                  (in it))
                (/phase.result state)
                (try#each (|>> (the .#module_aliases)
-                              (pipe.case
+                              (pipe.when
                                 (list [actual_alias actual_import])
                                 (and (same? expected_alias actual_alias)
                                      (same? expected_import actual_import))
@@ -166,7 +166,7 @@
                                    [_ (
 name)]
                                    ( name)))
                                (/phase.result state)
-                               (pipe.case
+                               (pipe.when
                                  {try.#Success _}
                                  false
                                  
@@ -184,7 +184,7 @@
                (and (,, (with_template []
                           [(|> ( name)
                                (/phase.result state)
-                               (pipe.case
+                               (pipe.when
                                  {try.#Success _}
                                  false
                                  
@@ -225,7 +225,7 @@
                           [(|> (/.with hash module_name
                                  (/.define def_name ))
                                (/phase.result state)
-                               (pipe.case
+                               (pipe.when
                                  {try.#Success _} true
                                  {try.#Failure _} false))]
 
@@ -239,7 +239,7 @@
                             [_ (/.define def_name definition)]
                             (/.define alias_name alias)))
                         (/phase.result state)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success _} true
                           {try.#Failure _} false)))))
          (_.coverage [/.cannot_define_more_than_once]
@@ -249,7 +249,7 @@
                                    [_ (/.define def_name )]
                                    (/.define def_name )))
                                (/phase.result state)
-                               (pipe.case
+                               (pipe.when
                                  {try.#Success _} false
                                  {try.#Failure _} true))]
 
@@ -264,7 +264,7 @@
                              _ (/.define alias_name alias)]
                             (/.define alias_name alias)))
                         (/phase.result state)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success _} false
                           {try.#Failure _} true)))))
          )))
@@ -299,7 +299,7 @@
                                    (monad.each ! (|>> [module_name]  /extension.lifted)
                                                (list.partial labels|head labels|tail))))
                                (/phase.result state)
-                               (pipe.case
+                               (pipe.when
                                  {try.#Success _} 
                                  {try.#Failure _} (not )))]
 
@@ -315,7 +315,7 @@
                                     _ (/.define def_name {.#Type [public? it { [labels|head labels|tail]}]})]
                                    (/.declare_labels  (list.partial labels|head labels|tail) public? it)))
                                (/phase.result state)
-                               (pipe.case
+                               (pipe.when
                                  {try.#Success _}
                                  false
                                  
@@ -332,7 +332,7 @@
                                     _ (/.define def_name {.#Type [public? it { [labels|head labels|tail]}]})]
                                    (/.declare_labels  (list.partial labels|head labels|tail) public? it)))
                                (/phase.result state)
-                               (pipe.case
+                               (pipe.when
                                  {try.#Success _}
                                  false
                                  
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/pattern.lux b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/pattern.lux
index 74faec932..a228e3fd3 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/pattern.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/pattern.lux
@@ -56,7 +56,7 @@
                  (bit#= (at /.equivalence = left right)
                         (text#= (/.format left) (/.format right))))
                (_.coverage [/.unit]
-                 (case (/.unit)
+                 (when (/.unit)
                    (/.unit)
                    true
 
@@ -64,7 +64,7 @@
                    false))
                (,, (with_template [ ]
                      [(_.coverage []
-                        (case ( )
+                        (when ( )
                           ( actual)
                           (same?  actual)
 
@@ -80,7 +80,7 @@
                      [/.text expected_text]
                      ))
                (_.coverage [/.variant]
-                 (case (/.variant [expected_lefts expected_right? (/.text expected_text)])
+                 (when (/.variant [expected_lefts expected_right? (/.text expected_text)])
                    (/.variant [actual_lefts actual_right? (/.text actual_text)])
                    (and (same? expected_lefts actual_lefts)
                         (same? expected_right? actual_right?)
@@ -89,7 +89,7 @@
                    _
                    false))
                (_.coverage [/.tuple]
-                 (case (/.tuple (list (/.bit expected_bit)
+                 (when (/.tuple (list (/.bit expected_bit)
                                       (/.nat expected_nat)
                                       (/.int expected_int)
                                       (/.rev expected_rev)
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/scope.lux b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/scope.lux
index bc2c63519..fe46fa6ae 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/scope.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/scope.lux
@@ -38,7 +38,7 @@
   [(def ( expected_type expected_register [actual_type actual_var])
      (-> Type Register [Type Variable] Bit)
      (and (same? expected_type actual_type)
-          (case actual_var
+          (when actual_var
             { actual_register}
             (n.= expected_register actual_register)
             
@@ -66,7 +66,7 @@
                    /.with
                    (//phase.result state)
                    (try#each (|>> product.right
-                                  (pipe.case
+                                  (pipe.when
                                     {.#None} true
                                     {.#Some _} false)))
                    (try.else false)))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/type.lux b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/type.lux
index 8afc7c8fc..c360ea593 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/analysis/type.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/analysis/type.lux
@@ -59,7 +59,7 @@
                         (/module.with 0 module)
                         (/phase#each product.right)
                         (/phase.result state)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success _} true
                           {try.#Failure _} false))
                     (|> (/.inference dummy)
@@ -67,7 +67,7 @@
                         (/module.with 0 module)
                         (/phase#each product.right)
                         (/phase.result state)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success _} false
                           {try.#Failure _} true))
                     (|> (/.inference expected)
@@ -75,7 +75,7 @@
                         (/module.with 0 module)
                         (/phase#each product.right)
                         (/phase.result state)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success _} false
                           {try.#Failure _} true))))
              (_.coverage [/.inferring]
@@ -96,7 +96,7 @@
                    (/module.with 0 module)
                    (/phase#each product.right)
                    (/phase.result state)
-                   (pipe.case
+                   (pipe.when
                      {try.#Success _} true
                      {try.#Failure _} false)))
              (_.coverage [/.existential /.existential?]
@@ -117,7 +117,7 @@
                         (/module.with 0 module)
                         (/phase#each product.right)
                         (/phase.result state)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success _} true
                           {try.#Failure _} false))
                     (|> (do /phase.monad
@@ -130,7 +130,7 @@
                         (/module.with 0 module)
                         (/phase#each product.right)
                         (/phase.result state)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success _} false
                           {try.#Failure _} true))))
              ))))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis.lux
index 7595b7a87..06fc6be98 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis.lux
@@ -46,7 +46,7 @@
   ["[1][0]" complex]
   ["[1][0]" reference]
   ["[1][0]" function]
-  ["[1][0]" case]])
+  ["[1][0]" when]])
 
 (def (eval archive type term)
   Eval
@@ -65,7 +65,7 @@
                          (/.phase ..expander archive.empty)
                          //type.inferring)]
           (in (and (type#= .Any :it:)
-                   (case it
+                   (when it
                      (//.unit)
                      true
 
@@ -88,7 +88,7 @@
                                          (/.phase ..expander archive.empty)
                                          //type.inferring)]
                           (in (and (type#=  :it:)
-                                   (case it
+                                   (when it
                                      ( it)
                                      (same?  it)
 
@@ -129,7 +129,7 @@
                        [it (|> (code.variant (list (code.nat 0) (code.bit false) (` [])))
                                (/.phase ..expander archive.empty)
                                (//type.expecting :variant:))]
-                       (in (case it
+                       (in (when it
                              (//.variant [0 .false (//.unit)])
                              true
 
@@ -145,7 +145,7 @@
                               [it (|> (code.variant (list (code.nat ) (code.bit ) ( )))
                                       (/.phase ..expander archive.empty)
                                       (//type.expecting :variant:))]
-                              (in (case it
+                              (in (when it
                                     (//.variant [  ( actual)])
                                     (same?  actual)
 
@@ -171,7 +171,7 @@
                it (|> (code.variant (list (code.nat 0) (code.bit false)))
                       (/.phase ..expander archive.empty)
                       (//type.expecting :either:))]
-              (in (case it
+              (in (when it
                     (//.variant [0 .false (//.unit)])
                     true
 
@@ -197,7 +197,7 @@
                                           (code.text text/0)))
                       (/.phase ..expander archive.empty)
                       (//type.expecting :either:))]
-              (in (case it
+              (in (when it
                     (//.variant [0 #1 (//.tuple (list (//.unit)
                                                       (//.bit bit/?)
                                                       (//.nat nat/?)
@@ -243,7 +243,7 @@
                                       //type.inferring)]
                        (in (and (type#= :variant:
                                         :it:)
-                                (case it
+                                (when it
                                   (//.variant [0 .false (//.unit)])
                                   true
 
@@ -262,7 +262,7 @@
                                              //type.inferring)]
                               (in (and (type#= :variant:
                                                :it:)
-                                       (case it
+                                       (when it
                                          (//.variant [  ( actual)])
                                          (same?  actual)
 
@@ -293,7 +293,7 @@
                              //type.inferring)]
               (in (and (type#= :either:
                                :it:)
-                       (case it
+                       (when it
                          (//.variant [0 .false (//.unit)])
                          true
 
@@ -323,7 +323,7 @@
                              //type.inferring)]
               (in (and (type#= :either:
                                :it:)
-                       (case it
+                       (when it
                          (//.variant [0 #1 (//.tuple (list (//.unit)
                                                            (//.bit bit/?)
                                                            (//.nat nat/?)
@@ -365,7 +365,7 @@
                          //type.inferring)]
           (in (and (type#= (type_literal [.Any .Bit .Nat .Int .Rev .Frac .Text])
                            :it:)
-                   (case it
+                   (when it
                      (//.tuple (list (//.unit)
                                      (//.bit bit/?)
                                      (//.nat nat/?)
@@ -408,7 +408,7 @@
                          //type.inferring)]
           (in (and (type#= :record:
                            :it:)
-                   (case it
+                   (when it
                      (//.tuple (list (//.unit)
                                      (//.bit bit/?)
                                      (//.nat nat/?)
@@ -443,7 +443,7 @@
                              //type.inferring)]
               (in (and (type#= (All (_ a) (-> a .Nat))
                                :it:)
-                       (case it
+                       (when it
                          {//.#Function (list) (//.nat nat/?)}
                          (same? nat/0 nat/?)
 
@@ -464,7 +464,7 @@
                              //type.inferring)]
               (in (and (type#= (All (_ a) (-> a (All (_ b) (-> b .Nat))))
                                :it:)
-                       (case it
+                       (when it
                          {//.#Function (list) {//.#Function (list) (//.nat nat/?)}}
                          (same? nat/0 nat/?)
 
@@ -485,7 +485,7 @@
                              //type.inferring)]
               (in (and (type#= (All (_ a) (-> a (All (_ b) (-> b b))))
                                :it:)
-                       (case it
+                       (when it
                          {//.#Function (list) {//.#Function (list) (//.local 1)}}
                          true
 
@@ -504,7 +504,7 @@
                                   (, $parameter/0))))
                              (/.phase ..expander archive.empty)
                              //type.inferring)]
-              (in (and (case it
+              (in (and (when it
                          {//.#Function (list) {//.#Function (list (//.local 1)) (//.foreign 0)}}
                          true
 
@@ -530,7 +530,7 @@
          ...                           (, $abstraction/1))))
          ...                      (/.phase ..expander archive.empty)
          ...                      //type.inferring)]
-         ...       (in (case it
+         ...       (in (when it
          ...             {//.#Function (list) {//.#Function (list) (//.local 0)}}
          ...             true
 
@@ -548,7 +548,7 @@
          ...                           (, $abstraction/0))))
          ...                      (/.phase ..expander archive.empty)
          ...                      //type.inferring)]
-         ...       (in (case it
+         ...       (in (when it
          ...             {//.#Function (list) {//.#Function (list (//.local 0)) (//.foreign 0)}}
          ...             true
 
@@ -573,7 +573,7 @@
                              (/.phase ..expander archive.empty)
                              //type.inferring)]
               (in (and (type#= .Bit :it:)
-                       (case it
+                       (when it
                          {//.#Apply (//.nat nat/?)
                                     {//.#Function (list) (//.bit bit/?)}}
                          (and (same? bit/0 bit/?)
@@ -594,7 +594,7 @@
                              (/.phase ..expander archive.empty)
                              //type.inferring)]
               (in (and (type#= .Nat :it:)
-                       (case it
+                       (when it
                          {//.#Apply (//.nat nat/?)
                                     {//.#Function (list) (//.local 1)}}
                          (same? nat/0 nat/?)
@@ -616,7 +616,7 @@
                              (/.phase ..expander archive.empty)
                              //type.inferring)]
               (in (and (check.subsumes? (All (_ a) (-> a Bit)) :it:)
-                       (case it
+                       (when it
                          {//.#Apply (//.nat nat/?)
                                     {//.#Function (list)
                                                   {//.#Function (list) (//.bit bit/?)}}}
@@ -643,7 +643,7 @@
                          (/.phase ..expander archive.empty)
                          //type.inferring)]
           (in (and (type#= .Text :it:)
-                   (case it
+                   (when it
                      {//.#Extension "lux text concat" (list (//.text left) (//.text right))}
                      (and (same? text/0 left)
                           (same? text/0 right))
@@ -676,8 +676,8 @@
                                              (/.phase ..expander archive.empty)
                                              //type.inferring)]
                               (in (and (type#= .Frac :it:)
-                                       (case it
-                                         {//.#Case ( input/?)
+                                       (when it
+                                         {//.#When ( input/?)
                                                    [[//.#when (//pattern.bind 0)
                                                      //.#then (//.frac frac/?)]
                                                     (list)]}
@@ -701,8 +701,8 @@
                                              (/.phase ..expander archive.empty)
                                              //type.inferring)]
                               (in (and (type#= .Frac :it:)
-                                       (case it
-                                         {//.#Case ( input/?)
+                                       (when it
+                                         {//.#When ( input/?)
                                                    [[//.#when ( pattern/?)
                                                      //.#then (//.frac frac/?)]
                                                     (list [//.#when (//pattern.bind 0)
@@ -738,8 +738,8 @@
                              (/.phase ..expander archive.empty)
                              //type.inferring)]
               (in (and (type#= .Frac :it:)
-                       (case it
-                         {//.#Case (//.bit bit/?)
+                       (when it
+                         {//.#When (//.bit bit/?)
                                    [[//.#when (//pattern.bit .false)
                                      //.#then (//.frac false/?)]
                                     (list [//.#when (//pattern.bit .true)
@@ -769,8 +769,8 @@
                                              (/.phase ..expander archive.empty)
                                              //type.inferring)]
                               (in (and (type#= .Frac :it:)
-                                       (case it
-                                         {//.#Case (//.variant [  ( analysis/?)])
+                                       (when it
+                                         {//.#When (//.variant [  ( analysis/?)])
                                                    [[//.#when (//pattern.variant [  ( pattern/?)])
                                                      //.#then (//.frac match/?)]
                                                     (list [//.#when (//pattern.bind 0)
@@ -808,8 +808,8 @@
                              (/.phase ..expander archive.empty)
                              //type.inferring)]
               (in (and (type#= .Frac :it:)
-                       (case it
-                         {//.#Case (//.tuple (list (//.bit bit/?) (//.nat nat/?)))
+                       (when it
+                         {//.#When (//.tuple (list (//.bit bit/?) (//.nat nat/?)))
                                    [[//.#when (//pattern.tuple (list (//pattern.bit .false) (//pattern.bind 0)))
                                      //.#then (//.frac false/?)]
                                     (list [//.#when (//pattern.tuple (list (//pattern.bit .true) (//pattern.bind 0)))
@@ -851,8 +851,8 @@
                              (/.phase ..expander archive.empty)
                              //type.inferring)]
               (in (and (type#= .Frac :it:)
-                       (case it
-                         {//.#Case (//.tuple (list (//.unit)
+                       (when it
+                         {//.#When (//.tuple (list (//.unit)
                                                    (//.bit bit/?)
                                                    (//.nat nat/?)
                                                    (//.int int/?)
@@ -964,5 +964,5 @@
            /complex.test
            /reference.test
            /function.test
-           /case.test
+           /when.test
            )))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/case.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/case.lux
deleted file mode 100644
index 16d10e01a..000000000
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/case.lux
+++ /dev/null
@@ -1,637 +0,0 @@
-(.require
- [library
-  [lux (.except)
-   [abstract
-    [monad (.only do)]]
-   [control
-    ["[0]" try (.only Try) (.use "[1]#[0]" functor)]
-    ["[0]" exception]]
-   [data
-    ["[0]" product]
-    ["[0]" text (.only)
-     ["%" \\format]]]
-   [math
-    ["[0]" random]]
-   [meta
-    ["[0]" code]
-    ["[0]" macro]
-    ["[0]" type (.use "[1]#[0]" equivalence)
-     ["[0]" check]]]
-   [test
-    ["_" property (.only Test)]]]]
- [\\library
-  ["[0]" / (.only)
-   ["/[1]" // (.only)
-    [//
-     ["[1][0]" extension (.only)
-      ["[1]/[0]" analysis
-       ["[1]" lux]]]
-     [//
-      ["[1][0]" analysis (.only)
-       [evaluation (.only Eval)]
-       ["[2][0]" macro]
-       ["[2][0]" scope]
-       ["[2][0]" module]
-       ["[2][0]" coverage]
-       ["[2][0]" type (.only)
-        ["$[1]" \\test]]
-       ["[2][0]" inference
-        ["$[1]" \\test]]]
-      [///
-       ["[1][0]" phase (.use "[1]#[0]" monad)]
-       [meta
-        ["[0]" archive]]]]]]]])
-
-(def (eval archive type term)
-  Eval
-  (//phase#in []))
-
-(def (expander macro inputs state)
-  //macro.Expander
-  {try.#Success ((macro.function macro) inputs state)})
-
-(def analysis
-  //analysis.Phase
-  (//.phase ..expander))
-
-(def test|tuple
-  Test
-  (do [! random.monad]
-    [lux $//type.random_state
-     .let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
-                  //extension.#state lux]]
-     module/0 (random.lower_case 1)
-     name/0 (at ! each (|>> [module/0]) (random.lower_case 2))
-     [input/0 simple/0] $//inference.simple_parameter
-     [input/1 simple/1] $//inference.simple_parameter
-     [input/2 simple/2] $//inference.simple_parameter
-     $binding/0 (at ! each code.local (random.lower_case 3))
-     $binding/1 (at ! each code.local (random.lower_case 4))
-     $binding/2 (at ! each code.local (random.lower_case 5))]
-    (all _.and
-         (_.coverage [/.tuple]
-           (let [tuple? (is (-> Type Type Bit)
-                            (function (_ :input: :expected:)
-                              (and (|> :input:
-                                       /.tuple
-                                       (check.result check.fresh_context)
-                                       (try#each (|>> product.right (type#= :expected:)))
-                                       (try.else false))
-                                   (|> (do check.monad
-                                         [[@var :var:] check.var
-                                          _ (check.check :var: :input:)]
-                                         (/.tuple :var:))
-                                       (check.result check.fresh_context)
-                                       (try#each (|>> product.right (type#= :expected:)))
-                                       (try.else false)))))]
-             (and (tuple? input/0
-                          (type.anonymous input/0))
-                  (tuple? (Tuple input/0 input/1 input/2)
-                          (Tuple input/0 input/1 input/2))
-                  (tuple? {.#Named name/0 (Tuple input/0 input/1 input/2)}
-                          (Tuple input/0 input/1 input/2))
-                  (tuple? (All (_ a b c) (Tuple input/0 input/1 input/2))
-                          (Tuple (All (_ a b c) input/0)
-                                 (All (_ a b c) input/1)
-                                 (All (_ a b c) input/2)))
-                  (tuple? (type_literal ((All (_ a b c) (Tuple a b c)) input/0 input/1 input/2))
-                          (Tuple input/0 input/1 input/2))
-                  (|> (do check.monad
-                        [[@var :var:] check.var
-                         _ (check.bind (All (_ a b c) (Tuple a b c)) @var)]
-                        (/.tuple (type_literal (:var: input/0 input/1 input/2))))
-                      (check.result check.fresh_context)
-                      (try#each (|>> product.right (type#= (Tuple input/0 input/1 input/2))))
-                      (try.else false))
-                  (|> (do check.monad
-                        [[@0 :0:] check.existential
-                         [@1 :1:] check.existential
-                         [_ :tuple:] (/.tuple (Ex (_ a b c) (Tuple a input/1 c)))
-                         context check.context
-                         _ (check.with context)
-                         _ (check.check (Tuple :0: input/1 :1:) :tuple:)
-                         _ (check.with context)
-                         _ (check.check :tuple: (Tuple :0: input/1 :1:))]
-                        (in true))
-                      (check.result check.fresh_context)
-                      (try.else false)))))
-         (_.coverage [/.non_tuple]
-           (and (|> (do check.monad
-                      [[@var :var:] check.var
-                       _ (/.tuple :var:)]
-                      (in false))
-                    (check.result check.fresh_context)
-                    (exception.otherwise (text.contains? (the exception.#label /.non_tuple))))
-                (|> (do check.monad
-                      [[@var :var:] check.var
-                       _ (/.tuple (type_literal (:var: input/0 input/1 input/2)))]
-                      (in false))
-                    (check.result check.fresh_context)
-                    (exception.otherwise (text.contains? (the exception.#label /.non_tuple))))
-                (|> (do check.monad
-                      [_ (/.tuple (type_literal (input/0 input/1 input/2)))]
-                      (in false))
-                    (check.result check.fresh_context)
-                    (exception.otherwise (text.contains? (the exception.#label /.non_tuple))))
-                (|> (do check.monad
-                      [[@var :var:] check.var
-                       _ (check.bind input/0 @var)
-                       _ (/.tuple (type_literal (:var: input/1 input/2)))]
-                      (in false))
-                    (check.result check.fresh_context)
-                    (exception.otherwise (text.contains? (the exception.#label /.non_tuple))))))
-         )))
-
-(def (test|case lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
-  (-> Lux Symbol [Type Code] [Type Code] [Type Code] [Code Code Code] [Type Code] [Type Code] [Bit Nat] Bit)
-  (let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
-               //extension.#state lux]
-        case? (is (-> Code (List [Code Code]) Bit)
-                  (function (_ input branches)
-                    (|> (do //phase.monad
-                          [analysis (|> (/.case ..analysis branches archive.empty input)
-                                        (//type.expecting output/0))]
-                          (in true))
-                        //scope.with
-                        (//module.with 0 module/0)
-                        (//phase#each (|>> product.right product.right))
-                        (//phase.result state)
-                        (try.else false))))
-
-        body_types_mismatch!
-        (and (not (case? (code.bit bit/0) (list [(` #0) body/1]
-                                                [(` #1) body/1])))
-             (not (case? (code.bit bit/0) (list [(` #0) body/0]
-                                                [(` #1) body/1]))))
-
-        input_types_mismatch!
-        (and (not (case? (code.nat nat/0) (list [(` #0) body/0]
-                                                [(` #1) body/0])))
-             (not (case? (code.bit bit/0) (list [(code.nat nat/0) body/0]
-                                                [$binding/0 body/0]))))
-
-        handles_singletons!
-        (and (case? simple/0 (list [(` [(, $binding/0)]) body/0]))
-             (case? simple/0 (list [(` [(, simple/0)]) body/0]
-                                   [(` [(, $binding/0)]) body/0]))
-             (case? (code.bit bit/0) (list [(` [#0]) body/0]
-                                           [(` [#1]) body/0])))
-
-        can_infer_body!
-        (|> (do //phase.monad
-              [[:actual: analysis] (|> (code.bit bit/0)
-                                       (/.case ..analysis
-                                         (list [(` #0) body/0]
-                                               [(` #1) body/0])
-                                         archive.empty)
-                                       //type.inferring)]
-              (in (type#= output/0 :actual:)))
-            //scope.with
-            (//module.with 0 module/0)
-            (//phase#each (|>> product.right product.right))
-            (//phase.result state)
-            (try.else false))
-
-        ensures_consistent_bodies!
-        (|> (do //phase.monad
-              [[:actual: analysis] (|> (code.bit bit/0)
-                                       (/.case ..analysis
-                                         (list [(` #0) body/0]
-                                               [(` #1) body/1])
-                                         archive.empty)
-                                       //type.inferring)]
-              (in false))
-            //scope.with
-            (//module.with 0 module/0)
-            (//phase#each (|>> product.right product.right))
-            (//phase.result state)
-            (try.else true))]
-    (and body_types_mismatch!
-         input_types_mismatch!
-         handles_singletons!
-         can_infer_body!
-         ensures_consistent_bodies!
-
-         (case? (` [])
-                (list [(` []) body/0]))
-         (case? (` [])
-                (list [$binding/0 body/0]))
-
-         (case? (code.bit bit/0) (list [(` #0) body/0]
-                                       [(` #1) body/0]))
-         (case? (code.bit bit/0) (list [(` #1) body/0]
-                                       [(` #0) body/0]))
-
-         (case? simple/0 (list [$binding/0 body/0]))
-         (case? simple/0 (list [simple/0 body/0]
-                               [$binding/0 body/0]))
-         
-         (case? (` [(, simple/0) (, simple/1) (, simple/2)])
-                (list [$binding/0 body/0]))
-         (case? (` [(, simple/0) (, simple/1) (, simple/2)])
-                (list [(` [(, $binding/0) (, $binding/1)]) body/0]))
-         (case? (` [(, simple/0) (, simple/1) (, simple/2)])
-                (list [(` [(, simple/0) (, simple/1) (, simple/2)]) body/0]
-                      ... 000
-                      [(` [(, $binding/0) (, simple/1) (, simple/2)]) body/0]
-                      ... 001
-                      [(` [(, simple/0) (, $binding/1) (, simple/2)]) body/0]
-                      ... 010
-                      [(` [(, $binding/0) (, $binding/1) (, simple/2)]) body/0]
-                      ... 011
-                      [(` [(, simple/0) (, simple/1) (, $binding/2)]) body/0]
-                      ... 100
-                      [(` [(, $binding/0) (, simple/1) (, $binding/2)]) body/0]
-                      ... 101
-                      [(` [(, simple/0) (, $binding/1) (, $binding/2)]) body/0]
-                      ... 110
-                      [(` [(, $binding/0) (, $binding/1) (, $binding/2)]) body/0]
-                      ... 111
-                      )))))
-
-(def (test|redundancy lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] bit/0)
-  (-> Lux Symbol [Type Code] [Type Code] [Type Code] [Code Code Code] [Type Code] Bit Bit)
-  (let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
-               //extension.#state lux]
-        redundant? (is (-> Code (List [Code Code]) Bit)
-                       (function (_ input branches)
-                         (|> (do //phase.monad
-                               [analysis (|> (/.case ..analysis branches archive.empty input)
-                                             (//type.expecting output/0))]
-                               (in true))
-                             //scope.with
-                             (//module.with 0 module/0)
-                             (//phase#each (|>> product.right product.right))
-                             (//phase.result state)
-                             (exception.otherwise (text.contains? (the exception.#label //coverage.redundancy))))))]
-    (and (redundant? (` [])
-                     (list [(` []) body/0]
-                           [(` []) body/0]))
-         (redundant? (` [])
-                     (list [$binding/0 body/0]
-                           [$binding/0 body/0]))
-         (redundant? (code.bit bit/0) (list [(` #0) body/0]
-                                            [(` #1) body/0]
-                                            [(` #0) body/0]))
-         (redundant? (code.bit bit/0) (list [(` #0) body/0]
-                                            [(` #1) body/0]
-                                            [(` #1) body/0]))
-         (redundant? (code.bit bit/0) (list [(` #0) body/0]
-                                            [(` #1) body/0]
-                                            [$binding/0 body/0]))
-         (redundant? simple/0 (list [$binding/0 body/0]
-                                    [$binding/0 body/0]))
-         (redundant? simple/0 (list [simple/0 body/0]
-                                    [$binding/0 body/0]
-                                    [$binding/0 body/0]))
-         (redundant? simple/0 (list [$binding/0 body/0]
-                                    [simple/0 body/0]))
-         (redundant? (` [(, simple/0) (, simple/1) (, simple/2)])
-                     (list [$binding/0 body/0]
-                           [$binding/0 body/0]))
-         (redundant? (` [(, simple/0) (, simple/1) (, simple/2)])
-                     (list [(` [(, $binding/0) (, $binding/1)]) body/0]
-                           [(` [(, $binding/0) (, $binding/1)]) body/0]))
-         (redundant? (` [(, simple/0) (, simple/1) (, simple/2)])
-                     (list [(` [(, $binding/0) (, $binding/1)]) body/0]
-                           [$binding/0 body/0]))
-         (redundant? (` [(, simple/0) (, simple/1) (, simple/2)])
-                     (list [$binding/0 body/0]
-                           [(` [(, $binding/0) (, $binding/1)]) body/0])))))
-
-(def (test|variant lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
-  (-> Lux Symbol [Type Code] [Type Code] [Type Code] [Code Code Code] [Type Code] [Type Code] [Bit Nat] Bit)
-  (let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
-               //extension.#state lux]
-        
-        tag/0 (%.code $binding/0)
-        tag/1 (%.code $binding/1)
-        tag/2 (%.code $binding/2)
-
-        tags/* (list tag/0 tag/1 tag/2)
-        :variant: {.#Named [module/0 name/0] (type.variant (list input/0 input/1 input/2))}
-
-        tag/0 (code.symbol [module/0 tag/0])
-        tag/1 (code.symbol [module/0 tag/1])
-        tag/2 (code.symbol [module/0 tag/2])
-        
-        variant? (is (-> Code (List [Code Code]) Bit)
-                     (function (_ input branches)
-                       (|> (do //phase.monad
-                             [_ (//module.declare_labels false tags/* false :variant:)
-                              analysis (|> (/.case ..analysis branches archive.empty input)
-                                           (//type.expecting output/0))]
-                             (in true))
-                           //scope.with
-                           (//module.with 0 module/0)
-                           (//phase#each (|>> product.right product.right))
-                           (//phase.result state)
-                           (try.else false))))
-
-        can_bind!
-        (and (variant? (` {(, tag/0) (, simple/0)})
-                       (list [$binding/0 body/0]))
-             (variant? (` {(, tag/1) (, simple/1)})
-                       (list [$binding/0 body/0]))
-             (variant? (` {(, tag/2) (, simple/2)})
-                       (list [$binding/0 body/0])))
-
-        can_bind_variant!
-        (variant? (` {(, tag/0) (, simple/0)})
-                  (list [(` {(, tag/0) (, $binding/0)}) body/0]
-                        [(` {(, tag/1) (, $binding/1)}) body/0]
-                        [(` {(, tag/2) (, $binding/2)}) body/0]))
-
-        can_bind_sum!
-        (variant? (` {(, tag/0) (, simple/0)})
-                  (list [(` {0 #0 (, $binding/0)}) body/0]
-                        [(` {1 #0 (, $binding/1)}) body/0]
-                        [(` {1 #1 (, $binding/2)}) body/0]))
-
-        can_check_exhaustiveness!
-        (variant? (` {(, tag/0) (, simple/0)})
-                  (list [(` {(, tag/0) (, simple/0)}) body/0]
-                        [(` {(, tag/0) (, $binding/0)}) body/0]
-
-                        [(` {(, tag/1) (, simple/1)}) body/0]
-                        [(` {(, tag/1) (, $binding/1)}) body/0]
-
-                        [(` {(, tag/2) (, simple/2)}) body/0]
-                        [(` {(, tag/2) (, $binding/2)}) body/0]))
-
-        can_bind_partial_variant!
-        (variant? (` {(, tag/0) (, simple/0)})
-                  (list [(` {(, tag/0) (, $binding/0)}) body/0]
-                        [(` {0 #1 (, $binding/1)}) body/0]))]
-    (and can_bind!
-         can_bind_variant!
-         can_bind_sum!
-         can_check_exhaustiveness!
-         can_bind_partial_variant!
-         )))
-
-(def (test|record lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
-  (-> Lux Symbol [Type Code] [Type Code] [Type Code] [Code Code Code] [Type Code] [Type Code] [Bit Nat] Bit)
-  (let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
-               //extension.#state lux]
-        
-        slot/0 (%.code $binding/0)
-        slot/1 (%.code $binding/1)
-        slot/2 (%.code $binding/2)
-
-        slots/* (list slot/0 slot/1 slot/2)
-        :record: {.#Named [module/0 name/0] (type.tuple (list input/0 input/1 input/2))}
-
-        slot/0 (code.symbol [module/0 slot/0])
-        slot/1 (code.symbol [module/0 slot/1])
-        slot/2 (code.symbol [module/0 slot/2])
-        
-        record? (is (-> Code (List [Code Code]) Bit)
-                    (function (_ input branches)
-                      (|> (do //phase.monad
-                            [_ (//module.declare_labels true slots/* false :record:)
-                             analysis (|> (/.case ..analysis branches archive.empty input)
-                                          (//type.expecting output/0))]
-                            (in true))
-                          //scope.with
-                          (//module.with 0 module/0)
-                          (//phase#each (|>> product.right product.right))
-                          (//phase.result state)
-                          (try.else false))))
-
-        can_bind!
-        (record? (` [(, slot/0) (, simple/0)
-                     (, slot/1) (, simple/1)
-                     (, slot/2) (, simple/2)])
-                 (list [$binding/0 body/0]))
-
-        can_bind_record!
-        (record? (` [(, slot/0) (, simple/0)
-                     (, slot/1) (, simple/1)
-                     (, slot/2) (, simple/2)])
-                 (list [(` [(, slot/0) (, $binding/0)
-                            (, slot/1) (, $binding/1)
-                            (, slot/2) (, $binding/2)]) body/0]))
-
-        can_bind_tuple!
-        (record? (` [(, slot/0) (, simple/0)
-                     (, slot/1) (, simple/1)
-                     (, slot/2) (, simple/2)])
-                 (list [(` [(, $binding/0) (, $binding/1) (, $binding/2)]) body/0]))
-
-        can_deduce_record!
-        (record? (` [(, simple/0)
-                     (, simple/1)
-                     (, simple/2)])
-                 (list [(` [(, slot/0) (, $binding/0)
-                            (, slot/1) (, $binding/1)
-                            (, slot/2) (, $binding/2)]) body/0]))
-
-        can_check_exhaustiveness!
-        (record? (` [(, slot/0) (, simple/0)
-                     (, slot/1) (, simple/1)
-                     (, slot/2) (, simple/2)])
-                 (list [(` [(, slot/0) (, simple/0)
-                            (, slot/1) (, simple/1)
-                            (, slot/2) (, simple/2)]) body/0]
-                       ... 000
-                       [(` [(, slot/0) (, $binding/0)
-                            (, slot/1) (, simple/1)
-                            (, slot/2) (, simple/2)]) body/0]
-                       ... 001
-                       [(` [(, slot/0) (, simple/0)
-                            (, slot/1) (, $binding/1)
-                            (, slot/2) (, simple/2)]) body/0]
-                       ... 010
-                       [(` [(, slot/0) (, $binding/0)
-                            (, slot/1) (, $binding/1)
-                            (, slot/2) (, simple/2)]) body/0]
-                       ... 011
-                       [(` [(, slot/0) (, simple/0)
-                            (, slot/1) (, simple/1)
-                            (, slot/2) (, $binding/2)]) body/0]
-                       ... 100
-                       [(` [(, slot/0) (, $binding/0)
-                            (, slot/1) (, simple/1)
-                            (, slot/2) (, $binding/2)]) body/0]
-                       ... 101
-                       [(` [(, slot/0) (, simple/0)
-                            (, slot/1) (, $binding/1)
-                            (, slot/2) (, $binding/2)]) body/0]
-                       ... 110
-                       [(` [(, slot/0) (, $binding/0)
-                            (, slot/1) (, $binding/1)
-                            (, slot/2) (, $binding/2)]) body/0]
-                       ... 111
-                       ))
-
-        cannot_repeat_slot!
-        (not (record? (` [(, slot/0) (, simple/0)
-                          (, slot/1) (, simple/1)
-                          (, slot/2) (, simple/2)])
-                      (list [(` [(, slot/0) (, $binding/0)
-                                 (, slot/1) (, $binding/1)
-                                 (, slot/2) (, $binding/2)
-                                 (, slot/2) (, $binding/2)]) body/0])))
-
-        cannot_omit_slot!
-        (not (record? (` [(, slot/0) (, simple/0)
-                          (, slot/1) (, simple/1)
-                          (, slot/2) (, simple/2)])
-                      (list [(` [(, slot/0) (, $binding/0)
-                                 (, slot/1) (, $binding/1)]) body/0])))
-
-        can_bind_partial_tuple!
-        (record? (` [(, slot/0) (, simple/0)
-                     (, slot/1) (, simple/1)
-                     (, slot/2) (, simple/2)])
-                 (list [(` [(, $binding/0) (, $binding/1)]) body/0]))]
-    (and can_bind!
-         can_bind_record!
-         can_bind_tuple!
-         can_deduce_record!
-         can_check_exhaustiveness!
-         cannot_repeat_slot!
-         cannot_omit_slot!
-         can_bind_partial_tuple!)))
-
-(def .public test
-  Test
-  (<| (_.covering /._)
-      (do [! random.monad]
-        [lux $//type.random_state
-         .let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
-                      //extension.#state lux]]
-         module/0 (random.lower_case 1)
-         name/0 (random.lower_case 2)
-         [input/0 simple/0] $//inference.simple_parameter
-         [input/1 simple/1] $//inference.simple_parameter
-         [input/2 simple/2] $//inference.simple_parameter
-         [output/0 body/0] $//inference.simple_parameter
-         [output/1 body/1] (random.only (|>> product.left (same? output/0) not)
-                                        $//inference.simple_parameter)
-         $binding/0 (at ! each code.local (random.lower_case 3))
-         $binding/1 (at ! each code.local (random.lower_case 4))
-         $binding/2 (at ! each code.local (random.lower_case 5))
-         extension/0 (at ! each code.text (random.lower_case 6))
-         bit/0 random.bit
-         nat/0 random.nat]
-        (all _.and
-             (_.coverage [/.case]
-               (and (test|case lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
-                    (test|redundancy lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/1] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [bit/0])
-                    (test|variant lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
-                    (test|record lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])))
-             (_.coverage [/.empty_branches]
-               (|> (do //phase.monad
-                     [analysis (|> (/.case ..analysis (list) archive.empty simple/0)
-                                   (//type.expecting output/0))]
-                     (in false))
-                   //scope.with
-                   (//module.with 0 module/0)
-                   (//phase#each (|>> product.right product.right))
-                   (//phase.result state)
-                   (exception.otherwise (text.contains? (the exception.#label /.empty_branches)))))
-             (_.coverage [/.non_exhaustive]
-               (let [non_exhaustive? (is (-> (List [Code Code]) Bit)
-                                         (function (_ branches)
-                                           (|> (do //phase.monad
-                                                 [analysis (|> (/.case ..analysis branches archive.empty simple/0)
-                                                               (//type.expecting output/0))]
-                                                 (in false))
-                                               //scope.with
-                                               (//module.with 0 module/0)
-                                               (//phase#each (|>> product.right product.right))
-                                               (//phase.result state)
-                                               (exception.otherwise (text.contains? (the exception.#label /.non_exhaustive))))))]
-                 (and (non_exhaustive? (list [simple/0 body/0]))
-                      (not (non_exhaustive? (list [simple/0 body/0]
-                                                  [$binding/0 body/0]))))))
-             (_.coverage [/.invalid]
-               (let [invalid? (is (-> (List [Code Code]) Bit)
-                                  (function (_ branches)
-                                    (|> (do //phase.monad
-                                          [analysis (|> (/.case ..analysis branches archive.empty simple/0)
-                                                        (//type.expecting output/0))]
-                                          (in false))
-                                        //scope.with
-                                        (//module.with 0 module/0)
-                                        (//phase#each (|>> product.right product.right))
-                                        (//phase.result state)
-                                        (exception.otherwise (text.contains? (the exception.#label /.invalid))))))]
-                 (and (invalid? (list [(` ((, extension/0) (, $binding/0) (, $binding/1) (, $binding/2)))
-                                       body/0]))
-                      (invalid? (list [(` {(, extension/0) (, $binding/0) (, $binding/1) (, $binding/2)})
-                                       body/0]))
-                      (invalid? (list [(` {[] (, $binding/0) (, $binding/1) (, $binding/2)})
-                                       body/0])))))
-             (_.coverage [/.sum_has_no_case]
-               (let [tag/0 (%.code $binding/0)
-                     tag/1 (%.code $binding/1)
-                     tag/2 (%.code $binding/2)
-
-                     tags/* (list tag/0 tag/1 tag/2)
-                     :variant: {.#Named [module/0 name/0] (type.variant (list input/0 input/1 input/2))}
-
-                     tag/0 (code.symbol [module/0 tag/0])
-                     tag/1 (code.symbol [module/0 tag/1])
-                     tag/2 (code.symbol [module/0 tag/2])]
-                 (|> (do //phase.monad
-                       [_ (//module.declare_labels false tags/* false :variant:)
-                        analysis (|> (` {(, tag/0) (, simple/0)})
-                                     (/.case ..analysis
-                                       (list [(` {0 #0 (, $binding/0)}) body/0]
-                                             [(` {1 #0 (, $binding/1)}) body/0]
-                                             [(` {2 #0 (, $binding/2)}) body/0]
-                                             [(` {2 #1 (, $binding/2)}) body/0])
-                                       archive.empty)
-                                     (//type.expecting output/0))]
-                       (in false))
-                     //scope.with
-                     (//module.with 0 module/0)
-                     (//phase#each (|>> product.right product.right))
-                     (//phase.result state)
-                     (exception.otherwise (text.contains? (the exception.#label /.sum_has_no_case))))))
-             (_.coverage [/.mismatch]
-               (let [slot/0 (%.code $binding/0)
-                     slot/1 (%.code $binding/1)
-                     slot/2 (%.code $binding/2)
-
-                     slots/* (list slot/0 slot/1 slot/2)
-                     :record: {.#Named [module/0 name/0] (type.tuple (list input/0 input/1 input/2))}
-
-                     slot/0 (code.symbol [module/0 slot/0])
-                     slot/1 (code.symbol [module/0 slot/1])
-                     slot/2 (code.symbol [module/0 slot/2])]
-                 (and (|> (do //phase.monad
-                            [analysis (|> (` (, simple/0))
-                                          (/.case ..analysis
-                                            (list [(` {0 #0 (, $binding/0)}) body/0]
-                                                  [(` {1 #0 (, $binding/1)}) body/0]
-                                                  [(` {1 #1 (, $binding/2)}) body/0])
-                                            archive.empty)
-                                          (//type.expecting output/0))]
-                            (in false))
-                          //scope.with
-                          (//module.with 0 module/0)
-                          (//phase#each (|>> product.right product.right))
-                          (//phase.result state)
-                          (exception.otherwise (text.contains? (the exception.#label /.mismatch))))
-                      (|> (do //phase.monad
-                            [_ (//module.declare_labels true slots/* false :record:)
-                             analysis (|> (` (, simple/0))
-                                          (/.case ..analysis
-                                            (list [(` [(, slot/0) (, $binding/0)
-                                                       (, slot/1) (, $binding/1)
-                                                       (, slot/2) (, $binding/2)]) body/0])
-                                            archive.empty)
-                                          (//type.expecting output/0))]
-                            (in false))
-                          //scope.with
-                          (//module.with 0 module/0)
-                          (//phase#each (|>> product.right product.right))
-                          (//phase.result state)
-                          (exception.otherwise (text.contains? (the exception.#label /.mismatch)))))))
-             
-             ..test|tuple
-             ))))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/complex.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/complex.lux
index 294251023..6586ac1db 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/complex.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/complex.lux
@@ -81,7 +81,7 @@
 
 (def (failure? exception try)
   (All (_ e a) (-> (Exception e) (Try a) Bit))
-  (case try
+  (when try
     {try.#Success _}
     false
     
@@ -105,7 +105,7 @@
 
 (def (analysed? expected actual)
   (-> Code Analysis Bit)
-  (case [expected actual]
+  (when [expected actual]
     [[_ {.#Tuple (list)}] (//analysis.unit)]
     true
 
@@ -150,7 +150,7 @@
                             (|> (do //phase.monad
                                   [analysis (|> (/.sum ..analysis lefts right? archive.empty code)
                                                 (//type.expecting type))]
-                                  (in (case analysis
+                                  (in (when analysis
                                         (//analysis.variant [lefts' right?' analysis])
                                         (and (n.= lefts lefts')
                                              (bit#= right? right?')
@@ -169,7 +169,7 @@
                          _ (//type.check (check.check varT variantT))
                          analysis (|> (/.sum ..analysis lefts right? archive.empty tagC)
                                       (//type.expecting varT))]
-                        (in (case analysis
+                        (in (when analysis
                               (//analysis.variant [lefts' right?' it])
                               (and (n.= lefts lefts')
                                    (bit#= right? right?')
@@ -242,7 +242,7 @@
                                                [_ (//module.declare_labels false tags false variantT)
                                                 analysis (|> (/.variant ..analysis tag archive.empty tagC)
                                                              (//type.expecting variantT))]
-                                               (in (case analysis
+                                               (in (when analysis
                                                      (//analysis.variant [lefts' right?' analysis])
                                                      (and (n.= lefts lefts')
                                                           (bit#= right? right?')
@@ -260,7 +260,7 @@
                                                [_ (//module.declare_labels false tags false variantT)
                                                 [actualT analysis] (|> (/.variant ..analysis tag archive.empty tagC)
                                                                        //type.inferring)]
-                                               (in (case analysis
+                                               (in (when analysis
                                                      (//analysis.variant [lefts' right?' analysis])
                                                      (and (n.= lefts lefts')
                                                           (bit#= right? right?')
@@ -307,7 +307,7 @@
                                       [analysis (|> expected
                                                     (/.product ..analysis archive.empty)
                                                     (//type.expecting type))]
-                                      (in (case analysis
+                                      (in (when analysis
                                             (//analysis.tuple actual)
                                             (and (n.= (list.size expected)
                                                       (list.size actual))
@@ -332,7 +332,7 @@
                          analysis (|> expected
                                       (/.product ..analysis archive.empty)
                                       (//type.expecting varT))]
-                        (in (case analysis
+                        (in (when analysis
                               (//analysis.tuple actual)
                               (and (n.= (list.size expected)
                                         (list.size actual))
@@ -350,7 +350,7 @@
                         [[:inferred: analysis] (|> expected
                                                    (/.product ..analysis archive.empty)
                                                    //type.inferring)]
-                        (in (case analysis
+                        (in (when analysis
                               (//analysis.tuple actual)
                               (and (n.= (list.size expected)
                                         (list.size actual))
@@ -373,7 +373,7 @@
                                                   (/.product ..analysis archive.empty
                                                              (list term/0 term/1 term/2 term/2 term/2))))
                          :inferred: (//type.check (check.clean (list @var) :inferred:))]
-                        (in (case analysis
+                        (in (when analysis
                               (//analysis.tuple (list analysis/0 analysis/1 (//analysis.tuple (list analysis/2 analysis/3 analysis/4))))
                               (and (type#= (Tuple type/0 type/1 type/2 type/2 type/2)
                                            :inferred:)
@@ -393,7 +393,7 @@
                         [analysis (|> (list term/0 term/1 (code.tuple (list term/2 term/2 term/2)))
                                       (/.product ..analysis archive.empty)
                                       (//type.expecting (Tuple type/0 type/1 type/2 type/2 type/2)))]
-                        (in (case analysis
+                        (in (when analysis
                               (//analysis.tuple (list analysis/0 analysis/1 (//analysis.tuple (list analysis/2 analysis/3 analysis/4))))
                               (and (..analysed? term/0 analysis/0)
                                    (..analysed? term/1 analysis/1)
@@ -465,7 +465,7 @@
            head_slot/0 (|> slots/0 list.head maybe.trusted)
            head_term/0 (|> types/*,terms/* list.head maybe.trusted product.right)
            head_slot/1 (|> slots/1 list.head maybe.trusted)
-           slots/01 (case slots/1
+           slots/01 (when slots/1
                       {.#Item _ tail}
                       {.#Item head_slot/0 tail}
 
@@ -481,7 +481,7 @@
                                    (//module.with 0 module)
                                    (//phase#each product.right)
                                    (//phase.result state)
-                                   (pipe.case
+                                   (pipe.when
                                      {try.#Success {.#Some actual}}
                                      (let [(open "list#[0]") (list.equivalence (product.equivalence symbol.equivalence code.equivalence))]
                                        (list#= expected (list.reversed actual)))
@@ -493,7 +493,7 @@
                   (normal? expected_record local_record)
                   (|> (/.normal false tuple)
                       (//phase.result state)
-                      (pipe.case
+                      (pipe.when
                         {try.#Success {.#None}}
                         true
                         
@@ -511,7 +511,7 @@
                                     (//module.with 0 module)
                                     (//phase#each (|>> product.right product.right))
                                     (//phase.result state)
-                                    (pipe.case
+                                    (pipe.when
                                       {try.#Success {.#Some [actual_arity actual_tuple actual_type]}}
                                       (and (n.= arity actual_arity)
                                            (at code.equivalence = (code.tuple tuple) (code.tuple actual_tuple))
@@ -523,7 +523,7 @@
                            (function (_ pattern_matching?)
                              (|> (/.order false (list))
                                  (//phase.result state)
-                                 (pipe.case
+                                 (pipe.when
                                    {try.#Success {.#Some [0 (list) actual_type]}}
                                    (same? .Any actual_type)
 
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/function.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/function.lux
index 41d0ff3f1..ad9af9331 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/function.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/function.lux
@@ -89,7 +89,7 @@
                                         [analysis (|> (/.function ..analysis function/0 argument/0 archive.empty
                                                         output_term)
                                                       (//type.expecting function_type))]
-                                        (in (case analysis
+                                        (in (when analysis
                                               {//analysis.#Function it}
                                               (? it)
 
@@ -108,7 +108,7 @@
                                         [[:actual: analysis] (|> (/.function ..analysis function/0 argument/0 archive.empty
                                                                    term)
                                                                  //type.inferring)]
-                                        (in (case analysis
+                                        (in (when analysis
                                               {//analysis.#Function [actual_env actual_body]}
                                               (type#= :expected: :actual:)
 
@@ -138,7 +138,7 @@
                   (function?' (-> input/0 input/1 input/0) (` ([(, $function/1) (, $argument/1)] (, $argument/0)))
                               (function (_ [outer body])
                                 (and (list.empty? outer)
-                                     (case body
+                                     (when body
                                        {//analysis.#Function [inner body]}
                                        (n.= 1 (list.size inner))
 
@@ -147,7 +147,7 @@
                   (function?' (-> input/0 input/1 input/1) (` ([(, $function/1) (, $argument/1)] (, $argument/1)))
                               (function (_ [outer body])
                                 (and (list.empty? outer)
-                                     (case body
+                                     (when body
                                        {//analysis.#Function [inner body]}
                                        (n.= 0 (list.size inner))
 
@@ -160,7 +160,7 @@
                          analysis (|> (/.function ..analysis function/0 argument/0 archive.empty
                                         term/0)
                                       (//type.expecting :var:))]
-                        (in (case analysis
+                        (in (when analysis
                               {//analysis.#Function [actual_env actual_body]}
                               true
 
@@ -182,7 +182,7 @@
                  [analysis (|> (/.function ..analysis function/0 argument/0 archive.empty
                                  term/1)
                                (//type.expecting (-> input/0 output/0)))]
-                 (in (case analysis
+                 (in (when analysis
                        {//analysis.#Function [actual_env actual_body]}
                        true
 
@@ -217,7 +217,7 @@
                                                                             (' []))
                                                                    //type.inferring)]
                                           (in (and (check.subsumes? :expected: :actual:)
-                                                   (case analysis
+                                                   (when analysis
                                                      {//analysis.#Apply _}
                                                      true
 
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/reference.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/reference.lux
index 060f7cbd1..613cfb643 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/reference.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/reference.lux
@@ -55,7 +55,7 @@
                          (//phase#each product.right)
                          (//phase.result state)
                          (try#each (|>> product.right
-                                        (pipe.case
+                                        (pipe.when
                                           [actual_type (//analysis.local 0)]
                                           (type#= expected_type actual_type)
 
@@ -74,7 +74,7 @@
                          (//phase.result state)
                          (try#each (|>> product.right
                                         product.right
-                                        (pipe.case
+                                        (pipe.when
                                           [actual_type (//analysis.foreign 0)]
                                           (type#= expected_type actual_type)
 
@@ -90,7 +90,7 @@
                          (//module.with 0 expected_module)
                          (//phase.result state)
                          (try#each (|>> product.right
-                                        (pipe.case
+                                        (pipe.when
                                           [actual_type (//analysis.constant [actual_module actual_name])]
                                           (and (type#= expected_type actual_type)
                                                (same? expected_module actual_module)
@@ -110,7 +110,7 @@
                          (//module.with 0 expected_module)
                          (//phase.result state)
                          (try#each (|>> product.right
-                                        (pipe.case
+                                        (pipe.when
                                           [actual_type (//analysis.constant [actual_module actual_name])]
                                           (and (type#= expected_type actual_type)
                                                (same? import actual_module)
@@ -131,7 +131,7 @@
                          (//module.with 0 expected_module)
                          (//phase.result state)
                          (try#each (|>> product.right
-                                        (pipe.case
+                                        (pipe.when
                                           [actual_type (//analysis.constant [actual_module actual_name])]
                                           (and (type#= expected_type actual_type)
                                                (same? import actual_module)
@@ -152,7 +152,7 @@
                          (//module.with 0 expected_module)
                          (//phase.result state)
                          (try#each (|>> product.right
-                                        (pipe.case
+                                        (pipe.when
                                           [actual_type (//analysis.constant [actual_module actual_name])]
                                           (and (type#= .Type actual_type)
                                                (same? expected_module actual_module)
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/simple.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/simple.lux
index d4b76212d..f8adedaa1 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/simple.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/simple.lux
@@ -35,7 +35,7 @@
            (/phase#each product.right)
            (/phase.result [/extension.#bundle /extension.empty
                            /extension.#state state])
-           (pipe.case
+           (pipe.when
              {try.#Success analysis}
              (? analysis)
 
@@ -47,7 +47,7 @@
            (/phase#each product.right)
            (/phase.result [/extension.#bundle /extension.empty
                            /extension.#state state])
-           (pipe.case
+           (pipe.when
              {try.#Failure error}
              true
 
@@ -59,7 +59,7 @@
            (/phase#each product.right)
            (/phase.result [/extension.#bundle /extension.empty
                            /extension.#state state])
-           (pipe.case
+           (pipe.when
              {try.#Success [inferred analysis]}
              (and (type#= type inferred)
                   (? analysis))
@@ -71,7 +71,7 @@
   (template (_  )
     [(is (->  Analysis Bit)
          (function (_ expected)
-           (|>> (pipe.case
+           (|>> (pipe.when
                   ( actual)
                   (same? expected actual)
 
@@ -89,7 +89,7 @@
         (`` (all _.and
                  (_.coverage [/.unit]
                    (..analysis state module .Any /.unit
-                     (|>> (pipe.case
+                     (|>> (pipe.when
                             (/analysis.unit)
                             true
                             
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/when.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/when.lux
new file mode 100644
index 000000000..03b491fa7
--- /dev/null
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/analysis/when.lux
@@ -0,0 +1,637 @@
+(.require
+ [library
+  [lux (.except)
+   [abstract
+    [monad (.only do)]]
+   [control
+    ["[0]" try (.only Try) (.use "[1]#[0]" functor)]
+    ["[0]" exception]]
+   [data
+    ["[0]" product]
+    ["[0]" text (.only)
+     ["%" \\format]]]
+   [math
+    ["[0]" random]]
+   [meta
+    ["[0]" code]
+    ["[0]" macro]
+    ["[0]" type (.use "[1]#[0]" equivalence)
+     ["[0]" check]]]
+   [test
+    ["_" property (.only Test)]]]]
+ [\\library
+  ["[0]" / (.only)
+   ["/[1]" // (.only)
+    [//
+     ["[1][0]" extension (.only)
+      ["[1]/[0]" analysis
+       ["[1]" lux]]]
+     [//
+      ["[1][0]" analysis (.only)
+       [evaluation (.only Eval)]
+       ["[2][0]" macro]
+       ["[2][0]" scope]
+       ["[2][0]" module]
+       ["[2][0]" coverage]
+       ["[2][0]" type (.only)
+        ["$[1]" \\test]]
+       ["[2][0]" inference
+        ["$[1]" \\test]]]
+      [///
+       ["[1][0]" phase (.use "[1]#[0]" monad)]
+       [meta
+        ["[0]" archive]]]]]]]])
+
+(def (eval archive type term)
+  Eval
+  (//phase#in []))
+
+(def (expander macro inputs state)
+  //macro.Expander
+  {try.#Success ((macro.function macro) inputs state)})
+
+(def analysis
+  //analysis.Phase
+  (//.phase ..expander))
+
+(def test|tuple
+  Test
+  (do [! random.monad]
+    [lux $//type.random_state
+     .let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
+                  //extension.#state lux]]
+     module/0 (random.lower_case 1)
+     name/0 (at ! each (|>> [module/0]) (random.lower_case 2))
+     [input/0 simple/0] $//inference.simple_parameter
+     [input/1 simple/1] $//inference.simple_parameter
+     [input/2 simple/2] $//inference.simple_parameter
+     $binding/0 (at ! each code.local (random.lower_case 3))
+     $binding/1 (at ! each code.local (random.lower_case 4))
+     $binding/2 (at ! each code.local (random.lower_case 5))]
+    (all _.and
+         (_.coverage [/.tuple]
+           (let [tuple? (is (-> Type Type Bit)
+                            (function (_ :input: :expected:)
+                              (and (|> :input:
+                                       /.tuple
+                                       (check.result check.fresh_context)
+                                       (try#each (|>> product.right (type#= :expected:)))
+                                       (try.else false))
+                                   (|> (do check.monad
+                                         [[@var :var:] check.var
+                                          _ (check.check :var: :input:)]
+                                         (/.tuple :var:))
+                                       (check.result check.fresh_context)
+                                       (try#each (|>> product.right (type#= :expected:)))
+                                       (try.else false)))))]
+             (and (tuple? input/0
+                          (type.anonymous input/0))
+                  (tuple? (Tuple input/0 input/1 input/2)
+                          (Tuple input/0 input/1 input/2))
+                  (tuple? {.#Named name/0 (Tuple input/0 input/1 input/2)}
+                          (Tuple input/0 input/1 input/2))
+                  (tuple? (All (_ a b c) (Tuple input/0 input/1 input/2))
+                          (Tuple (All (_ a b c) input/0)
+                                 (All (_ a b c) input/1)
+                                 (All (_ a b c) input/2)))
+                  (tuple? (type_literal ((All (_ a b c) (Tuple a b c)) input/0 input/1 input/2))
+                          (Tuple input/0 input/1 input/2))
+                  (|> (do check.monad
+                        [[@var :var:] check.var
+                         _ (check.bind (All (_ a b c) (Tuple a b c)) @var)]
+                        (/.tuple (type_literal (:var: input/0 input/1 input/2))))
+                      (check.result check.fresh_context)
+                      (try#each (|>> product.right (type#= (Tuple input/0 input/1 input/2))))
+                      (try.else false))
+                  (|> (do check.monad
+                        [[@0 :0:] check.existential
+                         [@1 :1:] check.existential
+                         [_ :tuple:] (/.tuple (Ex (_ a b c) (Tuple a input/1 c)))
+                         context check.context
+                         _ (check.with context)
+                         _ (check.check (Tuple :0: input/1 :1:) :tuple:)
+                         _ (check.with context)
+                         _ (check.check :tuple: (Tuple :0: input/1 :1:))]
+                        (in true))
+                      (check.result check.fresh_context)
+                      (try.else false)))))
+         (_.coverage [/.non_tuple]
+           (and (|> (do check.monad
+                      [[@var :var:] check.var
+                       _ (/.tuple :var:)]
+                      (in false))
+                    (check.result check.fresh_context)
+                    (exception.otherwise (text.contains? (the exception.#label /.non_tuple))))
+                (|> (do check.monad
+                      [[@var :var:] check.var
+                       _ (/.tuple (type_literal (:var: input/0 input/1 input/2)))]
+                      (in false))
+                    (check.result check.fresh_context)
+                    (exception.otherwise (text.contains? (the exception.#label /.non_tuple))))
+                (|> (do check.monad
+                      [_ (/.tuple (type_literal (input/0 input/1 input/2)))]
+                      (in false))
+                    (check.result check.fresh_context)
+                    (exception.otherwise (text.contains? (the exception.#label /.non_tuple))))
+                (|> (do check.monad
+                      [[@var :var:] check.var
+                       _ (check.bind input/0 @var)
+                       _ (/.tuple (type_literal (:var: input/1 input/2)))]
+                      (in false))
+                    (check.result check.fresh_context)
+                    (exception.otherwise (text.contains? (the exception.#label /.non_tuple))))))
+         )))
+
+(def (test|when lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
+  (-> Lux Symbol [Type Code] [Type Code] [Type Code] [Code Code Code] [Type Code] [Type Code] [Bit Nat] Bit)
+  (let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
+               //extension.#state lux]
+        when? (is (-> Code (List [Code Code]) Bit)
+                  (function (_ input branches)
+                    (|> (do //phase.monad
+                          [analysis (|> (/.when ..analysis branches archive.empty input)
+                                        (//type.expecting output/0))]
+                          (in true))
+                        //scope.with
+                        (//module.with 0 module/0)
+                        (//phase#each (|>> product.right product.right))
+                        (//phase.result state)
+                        (try.else false))))
+
+        body_types_mismatch!
+        (and (not (when? (code.bit bit/0) (list [(` #0) body/1]
+                                                [(` #1) body/1])))
+             (not (when? (code.bit bit/0) (list [(` #0) body/0]
+                                                [(` #1) body/1]))))
+
+        input_types_mismatch!
+        (and (not (when? (code.nat nat/0) (list [(` #0) body/0]
+                                                [(` #1) body/0])))
+             (not (when? (code.bit bit/0) (list [(code.nat nat/0) body/0]
+                                                [$binding/0 body/0]))))
+
+        handles_singletons!
+        (and (when? simple/0 (list [(` [(, $binding/0)]) body/0]))
+             (when? simple/0 (list [(` [(, simple/0)]) body/0]
+                                   [(` [(, $binding/0)]) body/0]))
+             (when? (code.bit bit/0) (list [(` [#0]) body/0]
+                                           [(` [#1]) body/0])))
+
+        can_infer_body!
+        (|> (do //phase.monad
+              [[:actual: analysis] (|> (code.bit bit/0)
+                                       (/.when ..analysis
+                                         (list [(` #0) body/0]
+                                               [(` #1) body/0])
+                                         archive.empty)
+                                       //type.inferring)]
+              (in (type#= output/0 :actual:)))
+            //scope.with
+            (//module.with 0 module/0)
+            (//phase#each (|>> product.right product.right))
+            (//phase.result state)
+            (try.else false))
+
+        ensures_consistent_bodies!
+        (|> (do //phase.monad
+              [[:actual: analysis] (|> (code.bit bit/0)
+                                       (/.when ..analysis
+                                         (list [(` #0) body/0]
+                                               [(` #1) body/1])
+                                         archive.empty)
+                                       //type.inferring)]
+              (in false))
+            //scope.with
+            (//module.with 0 module/0)
+            (//phase#each (|>> product.right product.right))
+            (//phase.result state)
+            (try.else true))]
+    (and body_types_mismatch!
+         input_types_mismatch!
+         handles_singletons!
+         can_infer_body!
+         ensures_consistent_bodies!
+
+         (when? (` [])
+                (list [(` []) body/0]))
+         (when? (` [])
+                (list [$binding/0 body/0]))
+
+         (when? (code.bit bit/0) (list [(` #0) body/0]
+                                       [(` #1) body/0]))
+         (when? (code.bit bit/0) (list [(` #1) body/0]
+                                       [(` #0) body/0]))
+
+         (when? simple/0 (list [$binding/0 body/0]))
+         (when? simple/0 (list [simple/0 body/0]
+                               [$binding/0 body/0]))
+         
+         (when? (` [(, simple/0) (, simple/1) (, simple/2)])
+                (list [$binding/0 body/0]))
+         (when? (` [(, simple/0) (, simple/1) (, simple/2)])
+                (list [(` [(, $binding/0) (, $binding/1)]) body/0]))
+         (when? (` [(, simple/0) (, simple/1) (, simple/2)])
+                (list [(` [(, simple/0) (, simple/1) (, simple/2)]) body/0]
+                      ... 000
+                      [(` [(, $binding/0) (, simple/1) (, simple/2)]) body/0]
+                      ... 001
+                      [(` [(, simple/0) (, $binding/1) (, simple/2)]) body/0]
+                      ... 010
+                      [(` [(, $binding/0) (, $binding/1) (, simple/2)]) body/0]
+                      ... 011
+                      [(` [(, simple/0) (, simple/1) (, $binding/2)]) body/0]
+                      ... 100
+                      [(` [(, $binding/0) (, simple/1) (, $binding/2)]) body/0]
+                      ... 101
+                      [(` [(, simple/0) (, $binding/1) (, $binding/2)]) body/0]
+                      ... 110
+                      [(` [(, $binding/0) (, $binding/1) (, $binding/2)]) body/0]
+                      ... 111
+                      )))))
+
+(def (test|redundancy lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] bit/0)
+  (-> Lux Symbol [Type Code] [Type Code] [Type Code] [Code Code Code] [Type Code] Bit Bit)
+  (let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
+               //extension.#state lux]
+        redundant? (is (-> Code (List [Code Code]) Bit)
+                       (function (_ input branches)
+                         (|> (do //phase.monad
+                               [analysis (|> (/.when ..analysis branches archive.empty input)
+                                             (//type.expecting output/0))]
+                               (in true))
+                             //scope.with
+                             (//module.with 0 module/0)
+                             (//phase#each (|>> product.right product.right))
+                             (//phase.result state)
+                             (exception.otherwise (text.contains? (the exception.#label //coverage.redundancy))))))]
+    (and (redundant? (` [])
+                     (list [(` []) body/0]
+                           [(` []) body/0]))
+         (redundant? (` [])
+                     (list [$binding/0 body/0]
+                           [$binding/0 body/0]))
+         (redundant? (code.bit bit/0) (list [(` #0) body/0]
+                                            [(` #1) body/0]
+                                            [(` #0) body/0]))
+         (redundant? (code.bit bit/0) (list [(` #0) body/0]
+                                            [(` #1) body/0]
+                                            [(` #1) body/0]))
+         (redundant? (code.bit bit/0) (list [(` #0) body/0]
+                                            [(` #1) body/0]
+                                            [$binding/0 body/0]))
+         (redundant? simple/0 (list [$binding/0 body/0]
+                                    [$binding/0 body/0]))
+         (redundant? simple/0 (list [simple/0 body/0]
+                                    [$binding/0 body/0]
+                                    [$binding/0 body/0]))
+         (redundant? simple/0 (list [$binding/0 body/0]
+                                    [simple/0 body/0]))
+         (redundant? (` [(, simple/0) (, simple/1) (, simple/2)])
+                     (list [$binding/0 body/0]
+                           [$binding/0 body/0]))
+         (redundant? (` [(, simple/0) (, simple/1) (, simple/2)])
+                     (list [(` [(, $binding/0) (, $binding/1)]) body/0]
+                           [(` [(, $binding/0) (, $binding/1)]) body/0]))
+         (redundant? (` [(, simple/0) (, simple/1) (, simple/2)])
+                     (list [(` [(, $binding/0) (, $binding/1)]) body/0]
+                           [$binding/0 body/0]))
+         (redundant? (` [(, simple/0) (, simple/1) (, simple/2)])
+                     (list [$binding/0 body/0]
+                           [(` [(, $binding/0) (, $binding/1)]) body/0])))))
+
+(def (test|variant lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
+  (-> Lux Symbol [Type Code] [Type Code] [Type Code] [Code Code Code] [Type Code] [Type Code] [Bit Nat] Bit)
+  (let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
+               //extension.#state lux]
+        
+        tag/0 (%.code $binding/0)
+        tag/1 (%.code $binding/1)
+        tag/2 (%.code $binding/2)
+
+        tags/* (list tag/0 tag/1 tag/2)
+        :variant: {.#Named [module/0 name/0] (type.variant (list input/0 input/1 input/2))}
+
+        tag/0 (code.symbol [module/0 tag/0])
+        tag/1 (code.symbol [module/0 tag/1])
+        tag/2 (code.symbol [module/0 tag/2])
+        
+        variant? (is (-> Code (List [Code Code]) Bit)
+                     (function (_ input branches)
+                       (|> (do //phase.monad
+                             [_ (//module.declare_labels false tags/* false :variant:)
+                              analysis (|> (/.when ..analysis branches archive.empty input)
+                                           (//type.expecting output/0))]
+                             (in true))
+                           //scope.with
+                           (//module.with 0 module/0)
+                           (//phase#each (|>> product.right product.right))
+                           (//phase.result state)
+                           (try.else false))))
+
+        can_bind!
+        (and (variant? (` {(, tag/0) (, simple/0)})
+                       (list [$binding/0 body/0]))
+             (variant? (` {(, tag/1) (, simple/1)})
+                       (list [$binding/0 body/0]))
+             (variant? (` {(, tag/2) (, simple/2)})
+                       (list [$binding/0 body/0])))
+
+        can_bind_variant!
+        (variant? (` {(, tag/0) (, simple/0)})
+                  (list [(` {(, tag/0) (, $binding/0)}) body/0]
+                        [(` {(, tag/1) (, $binding/1)}) body/0]
+                        [(` {(, tag/2) (, $binding/2)}) body/0]))
+
+        can_bind_sum!
+        (variant? (` {(, tag/0) (, simple/0)})
+                  (list [(` {0 #0 (, $binding/0)}) body/0]
+                        [(` {1 #0 (, $binding/1)}) body/0]
+                        [(` {1 #1 (, $binding/2)}) body/0]))
+
+        can_check_exhaustiveness!
+        (variant? (` {(, tag/0) (, simple/0)})
+                  (list [(` {(, tag/0) (, simple/0)}) body/0]
+                        [(` {(, tag/0) (, $binding/0)}) body/0]
+
+                        [(` {(, tag/1) (, simple/1)}) body/0]
+                        [(` {(, tag/1) (, $binding/1)}) body/0]
+
+                        [(` {(, tag/2) (, simple/2)}) body/0]
+                        [(` {(, tag/2) (, $binding/2)}) body/0]))
+
+        can_bind_partial_variant!
+        (variant? (` {(, tag/0) (, simple/0)})
+                  (list [(` {(, tag/0) (, $binding/0)}) body/0]
+                        [(` {0 #1 (, $binding/1)}) body/0]))]
+    (and can_bind!
+         can_bind_variant!
+         can_bind_sum!
+         can_check_exhaustiveness!
+         can_bind_partial_variant!
+         )))
+
+(def (test|record lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
+  (-> Lux Symbol [Type Code] [Type Code] [Type Code] [Code Code Code] [Type Code] [Type Code] [Bit Nat] Bit)
+  (let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
+               //extension.#state lux]
+        
+        slot/0 (%.code $binding/0)
+        slot/1 (%.code $binding/1)
+        slot/2 (%.code $binding/2)
+
+        slots/* (list slot/0 slot/1 slot/2)
+        :record: {.#Named [module/0 name/0] (type.tuple (list input/0 input/1 input/2))}
+
+        slot/0 (code.symbol [module/0 slot/0])
+        slot/1 (code.symbol [module/0 slot/1])
+        slot/2 (code.symbol [module/0 slot/2])
+        
+        record? (is (-> Code (List [Code Code]) Bit)
+                    (function (_ input branches)
+                      (|> (do //phase.monad
+                            [_ (//module.declare_labels true slots/* false :record:)
+                             analysis (|> (/.when ..analysis branches archive.empty input)
+                                          (//type.expecting output/0))]
+                            (in true))
+                          //scope.with
+                          (//module.with 0 module/0)
+                          (//phase#each (|>> product.right product.right))
+                          (//phase.result state)
+                          (try.else false))))
+
+        can_bind!
+        (record? (` [(, slot/0) (, simple/0)
+                     (, slot/1) (, simple/1)
+                     (, slot/2) (, simple/2)])
+                 (list [$binding/0 body/0]))
+
+        can_bind_record!
+        (record? (` [(, slot/0) (, simple/0)
+                     (, slot/1) (, simple/1)
+                     (, slot/2) (, simple/2)])
+                 (list [(` [(, slot/0) (, $binding/0)
+                            (, slot/1) (, $binding/1)
+                            (, slot/2) (, $binding/2)]) body/0]))
+
+        can_bind_tuple!
+        (record? (` [(, slot/0) (, simple/0)
+                     (, slot/1) (, simple/1)
+                     (, slot/2) (, simple/2)])
+                 (list [(` [(, $binding/0) (, $binding/1) (, $binding/2)]) body/0]))
+
+        can_deduce_record!
+        (record? (` [(, simple/0)
+                     (, simple/1)
+                     (, simple/2)])
+                 (list [(` [(, slot/0) (, $binding/0)
+                            (, slot/1) (, $binding/1)
+                            (, slot/2) (, $binding/2)]) body/0]))
+
+        can_check_exhaustiveness!
+        (record? (` [(, slot/0) (, simple/0)
+                     (, slot/1) (, simple/1)
+                     (, slot/2) (, simple/2)])
+                 (list [(` [(, slot/0) (, simple/0)
+                            (, slot/1) (, simple/1)
+                            (, slot/2) (, simple/2)]) body/0]
+                       ... 000
+                       [(` [(, slot/0) (, $binding/0)
+                            (, slot/1) (, simple/1)
+                            (, slot/2) (, simple/2)]) body/0]
+                       ... 001
+                       [(` [(, slot/0) (, simple/0)
+                            (, slot/1) (, $binding/1)
+                            (, slot/2) (, simple/2)]) body/0]
+                       ... 010
+                       [(` [(, slot/0) (, $binding/0)
+                            (, slot/1) (, $binding/1)
+                            (, slot/2) (, simple/2)]) body/0]
+                       ... 011
+                       [(` [(, slot/0) (, simple/0)
+                            (, slot/1) (, simple/1)
+                            (, slot/2) (, $binding/2)]) body/0]
+                       ... 100
+                       [(` [(, slot/0) (, $binding/0)
+                            (, slot/1) (, simple/1)
+                            (, slot/2) (, $binding/2)]) body/0]
+                       ... 101
+                       [(` [(, slot/0) (, simple/0)
+                            (, slot/1) (, $binding/1)
+                            (, slot/2) (, $binding/2)]) body/0]
+                       ... 110
+                       [(` [(, slot/0) (, $binding/0)
+                            (, slot/1) (, $binding/1)
+                            (, slot/2) (, $binding/2)]) body/0]
+                       ... 111
+                       ))
+
+        cannot_repeat_slot!
+        (not (record? (` [(, slot/0) (, simple/0)
+                          (, slot/1) (, simple/1)
+                          (, slot/2) (, simple/2)])
+                      (list [(` [(, slot/0) (, $binding/0)
+                                 (, slot/1) (, $binding/1)
+                                 (, slot/2) (, $binding/2)
+                                 (, slot/2) (, $binding/2)]) body/0])))
+
+        cannot_omit_slot!
+        (not (record? (` [(, slot/0) (, simple/0)
+                          (, slot/1) (, simple/1)
+                          (, slot/2) (, simple/2)])
+                      (list [(` [(, slot/0) (, $binding/0)
+                                 (, slot/1) (, $binding/1)]) body/0])))
+
+        can_bind_partial_tuple!
+        (record? (` [(, slot/0) (, simple/0)
+                     (, slot/1) (, simple/1)
+                     (, slot/2) (, simple/2)])
+                 (list [(` [(, $binding/0) (, $binding/1)]) body/0]))]
+    (and can_bind!
+         can_bind_record!
+         can_bind_tuple!
+         can_deduce_record!
+         can_check_exhaustiveness!
+         cannot_repeat_slot!
+         cannot_omit_slot!
+         can_bind_partial_tuple!)))
+
+(def .public test
+  Test
+  (<| (_.covering /._)
+      (do [! random.monad]
+        [lux $//type.random_state
+         .let [state [//extension.#bundle (//extension/analysis.bundle ..eval)
+                      //extension.#state lux]]
+         module/0 (random.lower_case 1)
+         name/0 (random.lower_case 2)
+         [input/0 simple/0] $//inference.simple_parameter
+         [input/1 simple/1] $//inference.simple_parameter
+         [input/2 simple/2] $//inference.simple_parameter
+         [output/0 body/0] $//inference.simple_parameter
+         [output/1 body/1] (random.only (|>> product.left (same? output/0) not)
+                                        $//inference.simple_parameter)
+         $binding/0 (at ! each code.local (random.lower_case 3))
+         $binding/1 (at ! each code.local (random.lower_case 4))
+         $binding/2 (at ! each code.local (random.lower_case 5))
+         extension/0 (at ! each code.text (random.lower_case 6))
+         bit/0 random.bit
+         nat/0 random.nat]
+        (all _.and
+             (_.coverage [/.when]
+               (and (test|when lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
+                    (test|redundancy lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/1] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [bit/0])
+                    (test|variant lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])
+                    (test|record lux [module/0 name/0] [input/0 simple/0] [input/1 simple/1] [input/2 simple/2] [$binding/0 $binding/1 $binding/2] [output/0 body/0] [output/1 body/1] [bit/0 nat/0])))
+             (_.coverage [/.empty_branches]
+               (|> (do //phase.monad
+                     [analysis (|> (/.when ..analysis (list) archive.empty simple/0)
+                                   (//type.expecting output/0))]
+                     (in false))
+                   //scope.with
+                   (//module.with 0 module/0)
+                   (//phase#each (|>> product.right product.right))
+                   (//phase.result state)
+                   (exception.otherwise (text.contains? (the exception.#label /.empty_branches)))))
+             (_.coverage [/.non_exhaustive]
+               (let [non_exhaustive? (is (-> (List [Code Code]) Bit)
+                                         (function (_ branches)
+                                           (|> (do //phase.monad
+                                                 [analysis (|> (/.when ..analysis branches archive.empty simple/0)
+                                                               (//type.expecting output/0))]
+                                                 (in false))
+                                               //scope.with
+                                               (//module.with 0 module/0)
+                                               (//phase#each (|>> product.right product.right))
+                                               (//phase.result state)
+                                               (exception.otherwise (text.contains? (the exception.#label /.non_exhaustive))))))]
+                 (and (non_exhaustive? (list [simple/0 body/0]))
+                      (not (non_exhaustive? (list [simple/0 body/0]
+                                                  [$binding/0 body/0]))))))
+             (_.coverage [/.invalid]
+               (let [invalid? (is (-> (List [Code Code]) Bit)
+                                  (function (_ branches)
+                                    (|> (do //phase.monad
+                                          [analysis (|> (/.when ..analysis branches archive.empty simple/0)
+                                                        (//type.expecting output/0))]
+                                          (in false))
+                                        //scope.with
+                                        (//module.with 0 module/0)
+                                        (//phase#each (|>> product.right product.right))
+                                        (//phase.result state)
+                                        (exception.otherwise (text.contains? (the exception.#label /.invalid))))))]
+                 (and (invalid? (list [(` ((, extension/0) (, $binding/0) (, $binding/1) (, $binding/2)))
+                                       body/0]))
+                      (invalid? (list [(` {(, extension/0) (, $binding/0) (, $binding/1) (, $binding/2)})
+                                       body/0]))
+                      (invalid? (list [(` {[] (, $binding/0) (, $binding/1) (, $binding/2)})
+                                       body/0])))))
+             (_.coverage [/.sum_has_no_case]
+               (let [tag/0 (%.code $binding/0)
+                     tag/1 (%.code $binding/1)
+                     tag/2 (%.code $binding/2)
+
+                     tags/* (list tag/0 tag/1 tag/2)
+                     :variant: {.#Named [module/0 name/0] (type.variant (list input/0 input/1 input/2))}
+
+                     tag/0 (code.symbol [module/0 tag/0])
+                     tag/1 (code.symbol [module/0 tag/1])
+                     tag/2 (code.symbol [module/0 tag/2])]
+                 (|> (do //phase.monad
+                       [_ (//module.declare_labels false tags/* false :variant:)
+                        analysis (|> (` {(, tag/0) (, simple/0)})
+                                     (/.when ..analysis
+                                       (list [(` {0 #0 (, $binding/0)}) body/0]
+                                             [(` {1 #0 (, $binding/1)}) body/0]
+                                             [(` {2 #0 (, $binding/2)}) body/0]
+                                             [(` {2 #1 (, $binding/2)}) body/0])
+                                       archive.empty)
+                                     (//type.expecting output/0))]
+                       (in false))
+                     //scope.with
+                     (//module.with 0 module/0)
+                     (//phase#each (|>> product.right product.right))
+                     (//phase.result state)
+                     (exception.otherwise (text.contains? (the exception.#label /.sum_has_no_case))))))
+             (_.coverage [/.mismatch]
+               (let [slot/0 (%.code $binding/0)
+                     slot/1 (%.code $binding/1)
+                     slot/2 (%.code $binding/2)
+
+                     slots/* (list slot/0 slot/1 slot/2)
+                     :record: {.#Named [module/0 name/0] (type.tuple (list input/0 input/1 input/2))}
+
+                     slot/0 (code.symbol [module/0 slot/0])
+                     slot/1 (code.symbol [module/0 slot/1])
+                     slot/2 (code.symbol [module/0 slot/2])]
+                 (and (|> (do //phase.monad
+                            [analysis (|> (` (, simple/0))
+                                          (/.when ..analysis
+                                            (list [(` {0 #0 (, $binding/0)}) body/0]
+                                                  [(` {1 #0 (, $binding/1)}) body/0]
+                                                  [(` {1 #1 (, $binding/2)}) body/0])
+                                            archive.empty)
+                                          (//type.expecting output/0))]
+                            (in false))
+                          //scope.with
+                          (//module.with 0 module/0)
+                          (//phase#each (|>> product.right product.right))
+                          (//phase.result state)
+                          (exception.otherwise (text.contains? (the exception.#label /.mismatch))))
+                      (|> (do //phase.monad
+                            [_ (//module.declare_labels true slots/* false :record:)
+                             analysis (|> (` (, simple/0))
+                                          (/.when ..analysis
+                                            (list [(` [(, slot/0) (, $binding/0)
+                                                       (, slot/1) (, $binding/1)
+                                                       (, slot/2) (, $binding/2)]) body/0])
+                                            archive.empty)
+                                          (//type.expecting output/0))]
+                            (in false))
+                          //scope.with
+                          (//module.with 0 module/0)
+                          (//phase#each (|>> product.right product.right))
+                          (//phase.result state)
+                          (exception.otherwise (text.contains? (the exception.#label /.mismatch)))))))
+             
+             ..test|tuple
+             ))))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/extension.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/extension.lux
index 8daf0cd19..e884cd858 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/extension.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/extension.lux
@@ -123,7 +123,7 @@
                  (/.install extender extension handler/1))
                (phase.result [/.#bundle /.empty
                               /.#state state])
-               (pipe.case
+               (pipe.when
                  {try.#Failure error}
                  (exception.match? /.cannot_overwrite error)
 
@@ -135,7 +135,7 @@
                         [extension (list left right)])
                (phase.result [/.#bundle /.empty
                               /.#state state])
-               (pipe.case
+               (pipe.when
                  {try.#Failure error}
                  (exception.match? /.unknown error)
 
@@ -200,7 +200,7 @@
                               (/.apply archive.empty phase [extension (list)]))
                             (phase.result [/.#bundle /.empty
                                            /.#state state])
-                            (pipe.case
+                            (pipe.when
                               {try.#Failure error}
                               (exception.match? /.incorrect_arity error)
 
@@ -215,7 +215,7 @@
                               (/.apply archive.empty phase [extension (list left right)]))
                             (phase.result [/.#bundle /.empty
                                            /.#state state])
-                            (pipe.case
+                            (pipe.when
                               {try.#Failure error}
                               (exception.match? /.invalid_syntax error)
 
@@ -257,7 +257,7 @@
                                      (/.lifted (phase.lifted {try.#Failure expected_error})))
                                  (phase.result [/.#bundle /.empty
                                                 /.#state state])
-                                 (pipe.case
+                                 (pipe.when
                                    {try.#Failure actual_error}
                                    (same? expected_error actual_error)
 
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux
index 5eff1f2b9..f100c1e07 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/extension/analysis/lux.lux
@@ -41,7 +41,7 @@
            (////type.with_type output_type
              (_primitive.phase archive.empty (` ((, (code.text procedure)) (,* params))))))
          (phase.result _primitive.state)
-         (pipe.case
+         (pipe.when
            {try.#Success _}
            
 
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/case.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/case.lux
deleted file mode 100644
index 8df7f087c..000000000
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/case.lux
+++ /dev/null
@@ -1,360 +0,0 @@
-(.require
- [library
-  [lux (.except)
-   [abstract
-    [hash (.only Hash)]
-    ["[0]" monad (.only do)]]
-   [control
-    ["[0]" pipe]
-    ["[0]" try (.use "[1]#[0]" functor)]]
-   [data
-    ["[0]" sum]
-    ["[0]" text (.only)
-     ["%" \\format (.only format)]]
-    [number
-     ["n" nat]
-     ["[0]" int]
-     ["[0]" rev]
-     ["[0]" frac]]
-    [collection
-     ["[0]" list (.use "[1]#[0]" functor mix monoid)]
-     ["[0]" set]]]
-   [math
-    ["[0]" random (.only Random)]]
-   [test
-    ["_" property (.only Test)]]]]
- ["[0]" //
-  ["[1][0]" primitive]]
- [\\
-  ["[0]" / (.only)
-   ["/[1]" // (.only)
-    ["/[1]" //
-     [extension
-      ["[1][0]" bundle]]
-     ["/[1]" // (.only)
-      ["[0]" analysis (.only Branch Match Analysis)]
-      ["[0]" synthesis (.only Path Synthesis)]
-      [///
-       ["[1][0]" reference (.only)
-        [variable (.only Register)]]
-       ["[0]" phase]
-       [meta
-        ["[0]" archive]]]]]]]])
-
-(def masking_test
-  Test
-  (do [! random.monad]
-    [maskedA //primitive.primitive
-     temp (|> random.nat (at ! each (n.% 100)))
-     .let [maskA (analysis.case
-                   [maskedA
-                    [[{analysis.#Bind temp}
-                      {analysis.#Reference (////reference.local temp)}]
-                     (list)]])]]
-    (_.coverage [/.synthesize_masking]
-      (|> maskA
-          (//.phase archive.empty)
-          (phase.result [///bundle.empty synthesis.init])
-          (try#each (//primitive.corresponds? maskedA))
-          (try.default false)))))
-
-(def let_test
-  Test
-  (do random.monad
-    [registerA random.nat
-     inputA //primitive.primitive
-     outputA //primitive.primitive
-     .let [letA (analysis.case
-                  [inputA
-                   [[{analysis.#Bind registerA}
-                     outputA]
-                    (list)]])]]
-    (_.coverage [/.synthesize_let]
-      (|> letA
-          (//.phase archive.empty)
-          (phase.result [///bundle.empty synthesis.init])
-          (pipe.case
-            {try.#Success (synthesis.branch/let [inputS registerS outputS])}
-            (and (n.= registerA registerS)
-                 (//primitive.corresponds? inputA inputS)
-                 (//primitive.corresponds? outputA outputS))
-
-            _
-            false)))))
-
-(def if_test
-  Test
-  (do random.monad
-    [then|else random.bit
-     inputA //primitive.primitive
-     thenA //primitive.primitive
-     elseA //primitive.primitive
-     .let [thenB (is Branch
-                     [{analysis.#Simple {analysis.#Bit true}}
-                      thenA])
-           elseB (is Branch
-                     [{analysis.#Simple {analysis.#Bit false}}
-                      elseA])
-           ifA (if then|else
-                 (analysis.case [inputA [thenB (list elseB)]])
-                 (analysis.case [inputA [elseB (list thenB)]]))]]
-    (_.coverage [/.synthesize_if]
-      (|> ifA
-          (//.phase archive.empty)
-          (phase.result [///bundle.empty synthesis.init])
-          (pipe.case
-            {try.#Success (synthesis.branch/if [inputS thenS elseS])}
-            (and (//primitive.corresponds? inputA inputS)
-                 (//primitive.corresponds? thenA thenS)
-                 (//primitive.corresponds? elseA elseS))
-
-            _
-            false)))))
-
-(def random_member
-  (Random synthesis.Member)
-  (do [! random.monad]
-    [lefts (|> random.nat (at ! each (n.% 10)))
-     right? random.bit]
-    (in (if right?
-          {.#Right lefts}
-          {.#Left lefts}))))
-
-(def random_path
-  (Random (analysis.Tuple synthesis.Member))
-  (do [! random.monad]
-    [size_1 (|> random.nat (at ! each (|>> (n.% 10) ++)))]
-    (random.list size_1 ..random_member)))
-
-(def (get_pattern path)
-  (-> (analysis.Tuple synthesis.Member)
-      (Random [analysis.Pattern Register]))
-  (do random.monad
-    [@member random.nat]
-    (in [(list#mix (function (_ member inner)
-                     (case member
-                       {.#Left lefts}
-                       (analysis.pattern/tuple
-                        (list#composite (list.repeated lefts (analysis.pattern/unit))
-                                        (list inner (analysis.pattern/unit))))
-                       
-                       {.#Right lefts}
-                       (analysis.pattern/tuple
-                        (list#composite (list.repeated (++ lefts) (analysis.pattern/unit))
-                                        (list inner)))))
-                   {analysis.#Bind @member}
-                   (list.reversed path))
-         @member])))
-
-(def get_test
-  Test
-  (do [! random.monad]
-    [recordA (|> random.nat
-                 (at ! each (|>> analysis.nat))
-                 (random.list 10)
-                 (at ! each (|>> analysis.tuple)))
-     pathA ..random_path
-     [pattern @member] (get_pattern pathA)
-     .let [getA (analysis.case [recordA [[pattern
-                                          {analysis.#Reference (////reference.local @member)}]
-                                         (list)]])]]
-    (_.coverage [/.synthesize_get]
-      (|> getA
-          (//.phase archive.empty)
-          (phase.result [///bundle.empty synthesis.init])
-          (pipe.case
-            {try.#Success (synthesis.branch/get [pathS recordS])}
-            (and (at (list.equivalence (sum.equivalence n.= n.=)) = pathA pathS)
-                 (//primitive.corresponds? recordA recordS))
-
-            _
-            false)))))
-
-(def random_bit
-  (Random [Path Match])
-  (do [! random.monad]
-    [test random.bit
-     then random.nat
-     else random.nat]
-    (in [{synthesis.#Alt {synthesis.#Seq (synthesis.path/bit test)
-                                         {synthesis.#Then (synthesis.i64 (.i64 then))}}
-                         {synthesis.#Seq (synthesis.path/bit (not test))
-                                         {synthesis.#Then (synthesis.i64 (.i64 else))}}}
-         [[analysis.#when (analysis.pattern/bit test)
-           analysis.#then (analysis.nat then)]
-          (list [analysis.#when (analysis.pattern/bit (not test))
-                 analysis.#then (analysis.nat else)])]])))
-
-(def (random_five hash random_element)
-  (All (_ a) (-> (Hash a) (Random a) (Random [a a a a a])))
-  (|> random_element
-      (random.set hash 5)
-      (at random.monad each (|>> set.list
-                                 (pipe.case
-                                   (list s0 s1 s2 s3 s4)
-                                   [s0 s1 s2 s3 s4]
-
-                                   _
-                                   (undefined))))))
-
-(with_template [      ]
-  [(def 
-     (Random [Path Match])
-     (do [! random.monad]
-       [[test/0 test/1 test/2 test/3 test/4] (random_five  )
-        [body/0 body/1 body/2 body/3 body/4] (random_five  )]
-       (in [(all {synthesis.#Alt}
-                 {synthesis.#Seq ( test/0) {synthesis.#Then ( body/0)}}
-                 {synthesis.#Seq ( test/1) {synthesis.#Then ( body/1)}}
-                 {synthesis.#Seq ( test/2) {synthesis.#Then ( body/2)}}
-                 {synthesis.#Seq ( test/3) {synthesis.#Then ( body/3)}}
-                 {synthesis.#Seq ( test/4) {synthesis.#Then ( body/4)}})
-            [[analysis.#when ( test/0) analysis.#then ( body/0)]
-             (list [analysis.#when ( test/1) analysis.#then ( body/1)]
-                   [analysis.#when ( test/2) analysis.#then ( body/2)]
-                   [analysis.#when ( test/3) analysis.#then ( body/3)]
-                   [analysis.#when ( test/4) analysis.#then ( body/4)])]])))]
-
-  [random_nat n.hash random.nat (|>> .i64 synthesis.path/i64) (|>> .i64 synthesis.i64) analysis.pattern/nat analysis.nat]
-  [random_int int.hash random.int (|>> .i64 synthesis.path/i64) (|>> .i64 synthesis.i64) analysis.pattern/int analysis.int]
-  [random_rev rev.hash random.rev (|>> .i64 synthesis.path/i64) (|>> .i64 synthesis.i64) analysis.pattern/rev analysis.rev]
-  [random_frac frac.hash random.frac synthesis.path/f64 synthesis.f64 analysis.pattern/frac analysis.frac]
-  [random_text text.hash (random.unicode 1) synthesis.path/text synthesis.text analysis.pattern/text analysis.text]
-  )
-
-(def random_simple
-  (all random.either
-       ..random_bit
-       ..random_nat
-       ..random_int
-       ..random_rev
-       ..random_frac
-       ..random_text
-       ))
-
-(def random_variant
-  (Random [Path Match])
-  (do [! random.monad]
-    [[lefts/0 lefts/1 lefts/2 lefts/3 lefts/4] (random_five n.hash random.nat)
-     [value/0 value/1 value/2 value/3 value/4] (random_five text.hash (random.unicode 1))
-     last_is_right? random.bit
-     [body/0 body/1 body/2 body/3 body/4] (random_five frac.hash random.frac)
-     .let [path (is (-> Nat Bit Text Frac Path)
-                    (function (_ lefts right? value body)
-                      (all {synthesis.#Seq}
-                           (synthesis.path/side (if right?
-                                                  {.#Right lefts}
-                                                  {.#Left lefts}))
-                           (synthesis.path/text value)
-                           {synthesis.#Then (synthesis.f64 body)})))
-           branch (is (-> Nat Bit Text Frac Branch)
-                      (function (_ lefts right? value body)
-                        [analysis.#when (analysis.pattern/variant [analysis.#lefts lefts
-                                                                   analysis.#right? right?
-                                                                   analysis.#value (analysis.pattern/text value)])
-                         analysis.#then (analysis.frac body)]))]]
-    (in [(all {synthesis.#Alt}
-              (path lefts/0 false value/0 body/0)
-              (path lefts/1 false value/1 body/1)
-              (path lefts/2 false value/2 body/2)
-              (path lefts/3 false value/3 body/3)
-              (path lefts/4 last_is_right? value/4 body/4))
-         [(branch lefts/0 false value/0 body/0)
-          (list (branch lefts/1 false value/1 body/1)
-                (branch lefts/2 false value/2 body/2)
-                (branch lefts/3 false value/3 body/3)
-                (branch lefts/4 last_is_right? value/4 body/4))]])))
-
-(def random_tuple
-  (Random [Path Match])
-  (do [! random.monad]
-    [mid_size (at ! each (n.% 4) random.nat)
-
-     value/first (random.unicode 1)
-     value/mid (random.list mid_size (random.unicode 1))
-     value/last (random.unicode 1)
-
-     body/first random.frac
-     body/mid (random.list mid_size random.frac)
-     body/last random.frac
-     .let [path (is (-> Nat Bit Text Frac Path)
-                    (function (_ lefts right? value body)
-                      (if right?
-                        (all {synthesis.#Seq}
-                             (synthesis.path/member (if right?
-                                                      {.#Right lefts}
-                                                      {.#Left lefts}))
-                             (synthesis.path/text value)
-                             {synthesis.#Then (synthesis.f64 body)})
-                        (all {synthesis.#Seq}
-                             (synthesis.path/member (if right?
-                                                      {.#Right lefts}
-                                                      {.#Left lefts}))
-                             (synthesis.path/text value)
-                             {synthesis.#Pop}
-                             {synthesis.#Then (synthesis.f64 body)}))))
-           branch (is (-> Nat Bit Text Frac Branch)
-                      (function (_ lefts right? value body)
-                        [analysis.#when (if right?
-                                          (analysis.pattern/tuple (list#composite (list.repeated (++ lefts) (analysis.pattern/unit))
-                                                                                  (list (analysis.pattern/text value))))
-                                          (analysis.pattern/tuple (all list#composite
-                                                                       (list.repeated lefts (analysis.pattern/unit))
-                                                                       (list (analysis.pattern/text value)
-                                                                             (analysis.pattern/unit)))))
-                         analysis.#then (analysis.frac body)]))]]
-    (in [(list#mix (function (_ left right)
-                     {synthesis.#Alt left right})
-                   (path (++ mid_size) true value/last body/last)
-                   (|> (list.zipped_2 value/mid body/mid)
-                       {.#Item [value/first body/first]}
-                       list.enumeration
-                       (list#each (function (_ [lefts' [value body]])
-                                    (path lefts' false value body)))
-                       list.reversed))
-         [(branch 0 false value/first body/first)
-          (list#composite (|> (list.zipped_2 value/mid body/mid)
-                              list.enumeration
-                              (list#each (function (_ [lefts' [value body]])
-                                           (branch (++ lefts') false value body))))
-                          (list (branch (++ mid_size) true value/last body/last)))]])))
-
-(def random_complex
-  (all random.either
-       ..random_variant
-       ..random_tuple
-       ))
-
-(def random_case
-  (all random.either
-       ..random_simple
-       ..random_complex
-       ))
-
-(def case_test
-  Test
-  (do [! random.monad]
-    [expected_input (at ! each (|>> .i64 synthesis.i64) random.nat)
-     [expected_path match] ..random_case]
-    (_.coverage [/.synthesize_case]
-      (|> (/.synthesize_case //.phase archive.empty expected_input match)
-          (phase.result [///bundle.empty synthesis.init])
-          (pipe.case
-            {try.#Success (synthesis.branch/case [actual_input actual_path])}
-            (and (at synthesis.equivalence = expected_input actual_input)
-                 (at synthesis.path_equivalence = expected_path actual_path))
-
-            _
-            false)))))
-
-(def .public test
-  Test
-  (<| (_.covering /._)
-      (_.for [/.synthesize])
-      (all _.and
-           ..masking_test
-           ..let_test
-           ..if_test
-           ..get_test
-           ..case_test
-           )))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/function.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/function.lux
index 35acd02b6..33b02eaf7 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/function.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/function.lux
@@ -56,7 +56,7 @@
 (def (n_abstraction arity body)
   (-> Arity Analysis Analysis)
   (list#mix (function (_ arity_1 body)
-              (case arity_1
+              (when arity_1
                 0 {analysis.#Function (list) body}
                 _ {analysis.#Function (all list#composite
                                            (list#each (|>> {variable.#Foreign})
@@ -68,7 +68,7 @@
 
 (def !expect
   (template (_  )
-    (case 
+    (when 
       
       true
       
@@ -174,7 +174,7 @@
   (random.either (..random_variable arity output?)
                  (..random_constant output?)))
 
-(def (random_case arity random_value output?)
+(def (random_when arity random_value output?)
   (-> Arity Scenario Scenario)
   (do [! random.monad]
     [bit_test random.bit
@@ -190,7 +190,7 @@
                          {.#Left lefts})]]
     (in [(and loop?_input
               loop?_output)
-         (synthesis.branch/case [expected_input
+         (synthesis.branch/when [expected_input
                                  (all synthesis.path/alt
                                       (synthesis.path/then expected_output)
                                       (synthesis.path/seq (synthesis.path/bit bit_test)
@@ -217,7 +217,7 @@
                                              (synthesis.path/bind (++ arity))
                                              synthesis.path/pop
                                              (synthesis.path/then expected_output))))])
-         {analysis.#Case actual_input
+         {analysis.#When actual_input
                          [[analysis.#when (analysis.pattern/unit)
                            analysis.#then actual_output]
                           (list [analysis.#when (analysis.pattern/bit bit_test)
@@ -252,7 +252,7 @@
          (synthesis.branch/let [expected_input
                                 (++ arity)
                                 expected_output])
-         {analysis.#Case actual_input
+         {analysis.#When actual_input
                          [[analysis.#when {analysis.#Bind 2}
                            analysis.#then actual_output]
                           (list)]}])))
@@ -271,12 +271,12 @@
                                expected_then
                                expected_else])
          (if flip?
-           {analysis.#Case actual_test
+           {analysis.#When actual_test
                            [[analysis.#when (analysis.pattern/bit false)
                              analysis.#then actual_else]
                             (list [analysis.#when (analysis.pattern/bit true)
                                    analysis.#then actual_then])]}
-           {analysis.#Case actual_test
+           {analysis.#When actual_test
                            [[analysis.#when (analysis.pattern/bit true)
                              analysis.#then actual_then]
                             (list [analysis.#when (analysis.pattern/bit false)
@@ -293,7 +293,7 @@
                                         {.#Right lefts}
                                         {.#Left lefts}))
                                 expected_record])
-         {analysis.#Case actual_record
+         {analysis.#When actual_record
                          [[analysis.#when (analysis.pattern/tuple
                                            (list#composite (list.repeated lefts (analysis.pattern/unit))
                                                            (if right?
@@ -304,7 +304,7 @@
 
 (def (random_branch arity random_value output?)
   (-> Arity Scenario Scenario)
-  (random.either (random.either (..random_case arity random_value output?)
+  (random.either (random.either (..random_when arity random_value output?)
                                 (..random_let arity random_value output?))
                  (random.either (..random_if random_value output?)
                                 (..random_get random_value output?))))
@@ -315,7 +315,7 @@
     [resets (random.list arity (random_value false))]
     (in [true
          (synthesis.loop/again (list#each (|>> product.right product.left) resets))
-         (analysis.apply [{analysis.#Reference (case arity
+         (analysis.apply [{analysis.#Reference (when arity
                                                  1 (reference.local 0)
                                                  _ (reference.foreign 0))}
                           (list#each (|>> product.right product.right) resets)])])))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/loop.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/loop.lux
index d2fa415a0..2fa13fdb7 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/loop.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/loop.lux
@@ -61,7 +61,7 @@
                 (in [next
                      [{variable.#Local (/.register_optimization offset register)}
                       {variable.#Local register}]]))]
-    (case offset
+    (when offset
       0 local
       _ (all random.either
              local
@@ -193,8 +193,8 @@
                 [[next [inputE inputA]] (..reference offset arity next)
                  [next [pathE pathA]] (..path offset arity next)]
                 (in [next
-                     [(//.branch/case [inputE pathE])
-                      (//.branch/case [inputA pathA])]])))
+                     [(//.branch/when [inputE pathE])
+                      (//.branch/when [inputA pathA])]])))
          )))
 
 (def (loop offset arity next)
@@ -275,7 +275,7 @@
                                  (random.list arity))
               [_ [expected iteration]] (..scenario expected_offset arity 0)]
              (_.coverage [/.Transform /.optimization /.register_optimization]
-               (case (/.optimization true expected_offset expected_inits
+               (when (/.optimization true expected_offset expected_inits
                                      [//.#environment (|> expected_offset
                                                           list.indices
                                                           (list#each (|>> {variable.#Local})))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/primitive.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/primitive.lux
index e9d5451ef..a12f284a3 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/primitive.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/primitive.lux
@@ -46,7 +46,7 @@
 
 (def .public (corresponds? analysis synthesis)
   (-> Analysis Synthesis Bit)
-  (`` (case [analysis synthesis]
+  (`` (when [analysis synthesis]
         (,, (with_template [   ]
               [[{////analysis.#Primitive { expected}}
                 {////synthesis.#Primitive { actual}}]
@@ -84,7 +84,7 @@
                           (|> {////analysis.#Primitive { expected}}
                               (//.phase archive.empty)
                               (phase.result [///bundle.empty ////synthesis.init])
-                              (pipe.case
+                              (pipe.when
                                 {try.#Success {////synthesis.#Primitive { actual}}}
                                 (same? expected actual)
 
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/structure.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/structure.lux
index 904f98b43..055f1440a 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/structure.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/structure.lux
@@ -50,7 +50,7 @@
       (|> (////analysis.variant [lefts right? memberA])
           (//.phase archive.empty)
           (phase.result [///bundle.empty ////synthesis.init])
-          (pipe.case
+          (pipe.when
             {try.#Success (////synthesis.variant [leftsS right?S valueS])}
             (let [tagS (if right?S (++ leftsS) leftsS)]
               (and (n.= tagA tagS)
@@ -69,7 +69,7 @@
       (|> (////analysis.tuple membersA)
           (//.phase archive.empty)
           (phase.result [///bundle.empty ////synthesis.init])
-          (pipe.case
+          (pipe.when
             {try.#Success (////synthesis.tuple membersS)}
             (and (n.= size (list.size membersS))
                  (list.every? (product.uncurried //primitive.corresponds?)
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/variable.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/variable.lux
index fe6ec126b..ff011a319 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/variable.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/variable.lux
@@ -32,7 +32,7 @@
 
 (def !expect
   (template (_  )
-    (case 
+    (when 
       
       true
       
@@ -78,12 +78,12 @@
          .let [fake_register (n.+ (the #redundants context)
                                   (dictionary.size (the #necessary context)))]
          [expected_output actual_output] (scenario (revised #redundants ++ context))]
-        (in [(synthesis.branch/case [expected_input
+        (in [(synthesis.branch/when [expected_input
                                      {synthesis.#Seq {synthesis.#Pop}
                                                      {synthesis.#Then expected_output}}])
              (if let?
                (synthesis.branch/let [actual_input fake_register actual_output])
-               (synthesis.branch/case [actual_input
+               (synthesis.branch/when [actual_input
                                        {synthesis.#Seq {synthesis.#Bind fake_register}
                                                        {synthesis.#Seq {synthesis.#Pop}
                                                                        {synthesis.#Then actual_output}}}]))]))
@@ -219,14 +219,14 @@
                   {synthesis.#Alt actual_left actual_right}]))
            )))
 
-(def (case_scenario scenario context)
+(def (when_scenario scenario context)
   (-> (Scenario Synthesis) (Scenario Synthesis))
   (do [! random.monad]
     [_ (in [])
      [expected_input actual_input] (scenario context)
      [expected_path actual_path] (..path_scenario scenario context)]
-    (in [(synthesis.branch/case [expected_input expected_path])
-         (synthesis.branch/case [actual_input actual_path])])))
+    (in [(synthesis.branch/when [expected_input expected_path])
+         (synthesis.branch/when [actual_input actual_path])])))
 
 (def (branch_scenario scenario context)
   (-> (Scenario Synthesis) (Scenario Synthesis))
@@ -234,7 +234,7 @@
        (..let_scenario scenario context)
        (..if_scenario scenario context)
        (..get_scenario scenario context)
-       (..case_scenario scenario context)
+       (..when_scenario scenario context)
        ))
 
 (def scope_arity 5)
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/when.lux b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/when.lux
new file mode 100644
index 000000000..65350ce95
--- /dev/null
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/phase/synthesis/when.lux
@@ -0,0 +1,360 @@
+(.require
+ [library
+  [lux (.except)
+   [abstract
+    [hash (.only Hash)]
+    ["[0]" monad (.only do)]]
+   [control
+    ["[0]" pipe]
+    ["[0]" try (.use "[1]#[0]" functor)]]
+   [data
+    ["[0]" sum]
+    ["[0]" text (.only)
+     ["%" \\format (.only format)]]
+    [number
+     ["n" nat]
+     ["[0]" int]
+     ["[0]" rev]
+     ["[0]" frac]]
+    [collection
+     ["[0]" list (.use "[1]#[0]" functor mix monoid)]
+     ["[0]" set]]]
+   [math
+    ["[0]" random (.only Random)]]
+   [test
+    ["_" property (.only Test)]]]]
+ ["[0]" //
+  ["[1][0]" primitive]]
+ [\\
+  ["[0]" / (.only)
+   ["/[1]" // (.only)
+    ["/[1]" //
+     [extension
+      ["[1][0]" bundle]]
+     ["/[1]" // (.only)
+      ["[0]" analysis (.only Branch Match Analysis)]
+      ["[0]" synthesis (.only Path Synthesis)]
+      [///
+       ["[1][0]" reference (.only)
+        [variable (.only Register)]]
+       ["[0]" phase]
+       [meta
+        ["[0]" archive]]]]]]]])
+
+(def masking_test
+  Test
+  (do [! random.monad]
+    [maskedA //primitive.primitive
+     temp (|> random.nat (at ! each (n.% 100)))
+     .let [maskA (analysis.when
+                   [maskedA
+                    [[{analysis.#Bind temp}
+                      {analysis.#Reference (////reference.local temp)}]
+                     (list)]])]]
+    (_.coverage [/.synthesize_masking]
+      (|> maskA
+          (//.phase archive.empty)
+          (phase.result [///bundle.empty synthesis.init])
+          (try#each (//primitive.corresponds? maskedA))
+          (try.default false)))))
+
+(def let_test
+  Test
+  (do random.monad
+    [registerA random.nat
+     inputA //primitive.primitive
+     outputA //primitive.primitive
+     .let [letA (analysis.when
+                  [inputA
+                   [[{analysis.#Bind registerA}
+                     outputA]
+                    (list)]])]]
+    (_.coverage [/.synthesize_let]
+      (|> letA
+          (//.phase archive.empty)
+          (phase.result [///bundle.empty synthesis.init])
+          (pipe.when
+            {try.#Success (synthesis.branch/let [inputS registerS outputS])}
+            (and (n.= registerA registerS)
+                 (//primitive.corresponds? inputA inputS)
+                 (//primitive.corresponds? outputA outputS))
+
+            _
+            false)))))
+
+(def if_test
+  Test
+  (do random.monad
+    [then|else random.bit
+     inputA //primitive.primitive
+     thenA //primitive.primitive
+     elseA //primitive.primitive
+     .let [thenB (is Branch
+                     [{analysis.#Simple {analysis.#Bit true}}
+                      thenA])
+           elseB (is Branch
+                     [{analysis.#Simple {analysis.#Bit false}}
+                      elseA])
+           ifA (if then|else
+                 (analysis.when [inputA [thenB (list elseB)]])
+                 (analysis.when [inputA [elseB (list thenB)]]))]]
+    (_.coverage [/.synthesize_if]
+      (|> ifA
+          (//.phase archive.empty)
+          (phase.result [///bundle.empty synthesis.init])
+          (pipe.when
+            {try.#Success (synthesis.branch/if [inputS thenS elseS])}
+            (and (//primitive.corresponds? inputA inputS)
+                 (//primitive.corresponds? thenA thenS)
+                 (//primitive.corresponds? elseA elseS))
+
+            _
+            false)))))
+
+(def random_member
+  (Random synthesis.Member)
+  (do [! random.monad]
+    [lefts (|> random.nat (at ! each (n.% 10)))
+     right? random.bit]
+    (in (if right?
+          {.#Right lefts}
+          {.#Left lefts}))))
+
+(def random_path
+  (Random (analysis.Tuple synthesis.Member))
+  (do [! random.monad]
+    [size_1 (|> random.nat (at ! each (|>> (n.% 10) ++)))]
+    (random.list size_1 ..random_member)))
+
+(def (get_pattern path)
+  (-> (analysis.Tuple synthesis.Member)
+      (Random [analysis.Pattern Register]))
+  (do random.monad
+    [@member random.nat]
+    (in [(list#mix (function (_ member inner)
+                     (when member
+                       {.#Left lefts}
+                       (analysis.pattern/tuple
+                        (list#composite (list.repeated lefts (analysis.pattern/unit))
+                                        (list inner (analysis.pattern/unit))))
+                       
+                       {.#Right lefts}
+                       (analysis.pattern/tuple
+                        (list#composite (list.repeated (++ lefts) (analysis.pattern/unit))
+                                        (list inner)))))
+                   {analysis.#Bind @member}
+                   (list.reversed path))
+         @member])))
+
+(def get_test
+  Test
+  (do [! random.monad]
+    [recordA (|> random.nat
+                 (at ! each (|>> analysis.nat))
+                 (random.list 10)
+                 (at ! each (|>> analysis.tuple)))
+     pathA ..random_path
+     [pattern @member] (get_pattern pathA)
+     .let [getA (analysis.when [recordA [[pattern
+                                          {analysis.#Reference (////reference.local @member)}]
+                                         (list)]])]]
+    (_.coverage [/.synthesize_get]
+      (|> getA
+          (//.phase archive.empty)
+          (phase.result [///bundle.empty synthesis.init])
+          (pipe.when
+            {try.#Success (synthesis.branch/get [pathS recordS])}
+            (and (at (list.equivalence (sum.equivalence n.= n.=)) = pathA pathS)
+                 (//primitive.corresponds? recordA recordS))
+
+            _
+            false)))))
+
+(def random_bit
+  (Random [Path Match])
+  (do [! random.monad]
+    [test random.bit
+     then random.nat
+     else random.nat]
+    (in [{synthesis.#Alt {synthesis.#Seq (synthesis.path/bit test)
+                                         {synthesis.#Then (synthesis.i64 (.i64 then))}}
+                         {synthesis.#Seq (synthesis.path/bit (not test))
+                                         {synthesis.#Then (synthesis.i64 (.i64 else))}}}
+         [[analysis.#when (analysis.pattern/bit test)
+           analysis.#then (analysis.nat then)]
+          (list [analysis.#when (analysis.pattern/bit (not test))
+                 analysis.#then (analysis.nat else)])]])))
+
+(def (random_five hash random_element)
+  (All (_ a) (-> (Hash a) (Random a) (Random [a a a a a])))
+  (|> random_element
+      (random.set hash 5)
+      (at random.monad each (|>> set.list
+                                 (pipe.when
+                                   (list s0 s1 s2 s3 s4)
+                                   [s0 s1 s2 s3 s4]
+
+                                   _
+                                   (undefined))))))
+
+(with_template [      ]
+  [(def 
+     (Random [Path Match])
+     (do [! random.monad]
+       [[test/0 test/1 test/2 test/3 test/4] (random_five  )
+        [body/0 body/1 body/2 body/3 body/4] (random_five  )]
+       (in [(all {synthesis.#Alt}
+                 {synthesis.#Seq ( test/0) {synthesis.#Then ( body/0)}}
+                 {synthesis.#Seq ( test/1) {synthesis.#Then ( body/1)}}
+                 {synthesis.#Seq ( test/2) {synthesis.#Then ( body/2)}}
+                 {synthesis.#Seq ( test/3) {synthesis.#Then ( body/3)}}
+                 {synthesis.#Seq ( test/4) {synthesis.#Then ( body/4)}})
+            [[analysis.#when ( test/0) analysis.#then ( body/0)]
+             (list [analysis.#when ( test/1) analysis.#then ( body/1)]
+                   [analysis.#when ( test/2) analysis.#then ( body/2)]
+                   [analysis.#when ( test/3) analysis.#then ( body/3)]
+                   [analysis.#when ( test/4) analysis.#then ( body/4)])]])))]
+
+  [random_nat n.hash random.nat (|>> .i64 synthesis.path/i64) (|>> .i64 synthesis.i64) analysis.pattern/nat analysis.nat]
+  [random_int int.hash random.int (|>> .i64 synthesis.path/i64) (|>> .i64 synthesis.i64) analysis.pattern/int analysis.int]
+  [random_rev rev.hash random.rev (|>> .i64 synthesis.path/i64) (|>> .i64 synthesis.i64) analysis.pattern/rev analysis.rev]
+  [random_frac frac.hash random.frac synthesis.path/f64 synthesis.f64 analysis.pattern/frac analysis.frac]
+  [random_text text.hash (random.unicode 1) synthesis.path/text synthesis.text analysis.pattern/text analysis.text]
+  )
+
+(def random_simple
+  (all random.either
+       ..random_bit
+       ..random_nat
+       ..random_int
+       ..random_rev
+       ..random_frac
+       ..random_text
+       ))
+
+(def random_variant
+  (Random [Path Match])
+  (do [! random.monad]
+    [[lefts/0 lefts/1 lefts/2 lefts/3 lefts/4] (random_five n.hash random.nat)
+     [value/0 value/1 value/2 value/3 value/4] (random_five text.hash (random.unicode 1))
+     last_is_right? random.bit
+     [body/0 body/1 body/2 body/3 body/4] (random_five frac.hash random.frac)
+     .let [path (is (-> Nat Bit Text Frac Path)
+                    (function (_ lefts right? value body)
+                      (all {synthesis.#Seq}
+                           (synthesis.path/side (if right?
+                                                  {.#Right lefts}
+                                                  {.#Left lefts}))
+                           (synthesis.path/text value)
+                           {synthesis.#Then (synthesis.f64 body)})))
+           branch (is (-> Nat Bit Text Frac Branch)
+                      (function (_ lefts right? value body)
+                        [analysis.#when (analysis.pattern/variant [analysis.#lefts lefts
+                                                                   analysis.#right? right?
+                                                                   analysis.#value (analysis.pattern/text value)])
+                         analysis.#then (analysis.frac body)]))]]
+    (in [(all {synthesis.#Alt}
+              (path lefts/0 false value/0 body/0)
+              (path lefts/1 false value/1 body/1)
+              (path lefts/2 false value/2 body/2)
+              (path lefts/3 false value/3 body/3)
+              (path lefts/4 last_is_right? value/4 body/4))
+         [(branch lefts/0 false value/0 body/0)
+          (list (branch lefts/1 false value/1 body/1)
+                (branch lefts/2 false value/2 body/2)
+                (branch lefts/3 false value/3 body/3)
+                (branch lefts/4 last_is_right? value/4 body/4))]])))
+
+(def random_tuple
+  (Random [Path Match])
+  (do [! random.monad]
+    [mid_size (at ! each (n.% 4) random.nat)
+
+     value/first (random.unicode 1)
+     value/mid (random.list mid_size (random.unicode 1))
+     value/last (random.unicode 1)
+
+     body/first random.frac
+     body/mid (random.list mid_size random.frac)
+     body/last random.frac
+     .let [path (is (-> Nat Bit Text Frac Path)
+                    (function (_ lefts right? value body)
+                      (if right?
+                        (all {synthesis.#Seq}
+                             (synthesis.path/member (if right?
+                                                      {.#Right lefts}
+                                                      {.#Left lefts}))
+                             (synthesis.path/text value)
+                             {synthesis.#Then (synthesis.f64 body)})
+                        (all {synthesis.#Seq}
+                             (synthesis.path/member (if right?
+                                                      {.#Right lefts}
+                                                      {.#Left lefts}))
+                             (synthesis.path/text value)
+                             {synthesis.#Pop}
+                             {synthesis.#Then (synthesis.f64 body)}))))
+           branch (is (-> Nat Bit Text Frac Branch)
+                      (function (_ lefts right? value body)
+                        [analysis.#when (if right?
+                                          (analysis.pattern/tuple (list#composite (list.repeated (++ lefts) (analysis.pattern/unit))
+                                                                                  (list (analysis.pattern/text value))))
+                                          (analysis.pattern/tuple (all list#composite
+                                                                       (list.repeated lefts (analysis.pattern/unit))
+                                                                       (list (analysis.pattern/text value)
+                                                                             (analysis.pattern/unit)))))
+                         analysis.#then (analysis.frac body)]))]]
+    (in [(list#mix (function (_ left right)
+                     {synthesis.#Alt left right})
+                   (path (++ mid_size) true value/last body/last)
+                   (|> (list.zipped_2 value/mid body/mid)
+                       {.#Item [value/first body/first]}
+                       list.enumeration
+                       (list#each (function (_ [lefts' [value body]])
+                                    (path lefts' false value body)))
+                       list.reversed))
+         [(branch 0 false value/first body/first)
+          (list#composite (|> (list.zipped_2 value/mid body/mid)
+                              list.enumeration
+                              (list#each (function (_ [lefts' [value body]])
+                                           (branch (++ lefts') false value body))))
+                          (list (branch (++ mid_size) true value/last body/last)))]])))
+
+(def random_complex
+  (all random.either
+       ..random_variant
+       ..random_tuple
+       ))
+
+(def random_when
+  (all random.either
+       ..random_simple
+       ..random_complex
+       ))
+
+(def when_test
+  Test
+  (do [! random.monad]
+    [expected_input (at ! each (|>> .i64 synthesis.i64) random.nat)
+     [expected_path match] ..random_when]
+    (_.coverage [/.synthesize_when]
+      (|> (/.synthesize_when //.phase archive.empty expected_input match)
+          (phase.result [///bundle.empty synthesis.init])
+          (pipe.when
+            {try.#Success (synthesis.branch/when [actual_input actual_path])}
+            (and (at synthesis.equivalence = expected_input actual_input)
+                 (at synthesis.path_equivalence = expected_path actual_path))
+
+            _
+            false)))))
+
+(def .public test
+  Test
+  (<| (_.covering /._)
+      (_.for [/.synthesize])
+      (all _.and
+           ..masking_test
+           ..let_test
+           ..if_test
+           ..get_test
+           ..when_test
+           )))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/syntax.lux b/stdlib/source/test/lux/meta/compiler/language/lux/syntax.lux
index d2c6a2a1f..ea75c4274 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/syntax.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/syntax.lux
@@ -77,7 +77,7 @@
     [sample code^]
     (all _.and
          (_.test "Can parse Lux code."
-           (case (let [source_code (%.code sample)]
+           (when (let [source_code (%.code sample)]
                    (/.parse "" (dictionary.empty text.hash) (text.size source_code)
                             [location.dummy 0 source_code]))
              {.#Left error}
@@ -90,13 +90,13 @@
            (_.test "Can parse multiple Lux code nodes."
              (let [source_code (format (%.code sample) " " (%.code other))
                    source_code//size (text.size source_code)]
-               (case (/.parse "" (dictionary.empty text.hash) source_code//size
+               (when (/.parse "" (dictionary.empty text.hash) source_code//size
                               [location.dummy 0 source_code])
                  {.#Left error}
                  false
 
                  {.#Right [remaining =sample]}
-                 (case (/.parse "" (dictionary.empty text.hash) source_code//size
+                 (when (/.parse "" (dictionary.empty text.hash) source_code//size
                                 remaining)
                    {.#Left error}
                    false
@@ -126,7 +126,7 @@
      comment comment^]
     (all _.and
          (_.test "Can handle comments."
-           (case (let [source_code (format comment (%.code sample))
+           (when (let [source_code (format comment (%.code sample))
                        source_code//size (text.size source_code)]
                    (/.parse "" (dictionary.empty text.hash) source_code//size
                             [location.dummy 0 source_code]))
diff --git a/stdlib/source/test/lux/meta/compiler/language/lux/synthesis.lux b/stdlib/source/test/lux/meta/compiler/language/lux/synthesis.lux
index 151567041..f1c85f69d 100644
--- a/stdlib/source/test/lux/meta/compiler/language/lux/synthesis.lux
+++ b/stdlib/source/test/lux/meta/compiler/language/lux/synthesis.lux
@@ -38,7 +38,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
        
diff --git a/stdlib/source/test/lux/meta/compiler/meta/archive.lux b/stdlib/source/test/lux/meta/compiler/meta/archive.lux
index 8195a009a..0f1db62b4 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/archive.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/archive.lux
@@ -150,7 +150,7 @@
                                /.#registry /registry.empty]]
                   archive (/.has module/0 entry archive)]
                  (in (and (list.empty? pre)
-                          (case (/.entries archive)
+                          (when (/.entries archive)
                             (list [module/0' @module/0' entry'])
                             (and (same? module/0 module/0')
                                  (same? @module/0 @module/0')
diff --git a/stdlib/source/test/lux/meta/compiler/meta/archive/module/document.lux b/stdlib/source/test/lux/meta/compiler/meta/archive/module/document.lux
index 4bd52fa23..3f31abaf7 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/archive/module/document.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/archive/module/document.lux
@@ -52,20 +52,20 @@
                (and (|> expected
                         (/.document key/0)
                         (/.marked? key/0)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success it} true
                           {try.#Failure error} false))
                     (|> expected
                         (/.document key/0)
                         (/.marked? key/1)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success it} false
                           {try.#Failure error} true))))
              (_.coverage [/.invalid_signature]
                (and (|> expected
                         (/.document key/0)
                         (/.content key/1)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success it}
                           false
                           
@@ -74,7 +74,7 @@
                     (|> expected
                         (/.document key/0)
                         (/.marked? key/1)
-                        (pipe.case
+                        (pipe.when
                           {try.#Success it}
                           false
                           
@@ -85,7 +85,7 @@
                    (/.document key/0)
                    (binaryF.result (/.format binaryF.nat))
                    (.result (/.parser key/0 .nat))
-                   (pipe.case
+                   (pipe.when
                      {try.#Success it}
                      (and (/signature#= signature/0 (/.signature it))
                           (|> it
diff --git a/stdlib/source/test/lux/meta/compiler/meta/archive/registry.lux b/stdlib/source/test/lux/meta/compiler/meta/archive/registry.lux
index b7e4e73b3..5cfb94750 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/archive/registry.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/archive/registry.lux
@@ -31,7 +31,7 @@
 
 (def tagged?
   (template (_  )
-    [(case 
+    [(when 
        { _}
        true
        
@@ -70,7 +70,7 @@
                        (n.= 0)))
                  (_.coverage [/.resource]
                    (let [[@it registry] (/.resource mandatory? expected_dependencies /.empty)]
-                     (case (sequence.list (/.artifacts registry))
+                     (when (sequence.list (/.artifacts registry))
                        (list [artifact actual_dependencies])
                        (and (same? @it (the artifact.#id artifact))
                             (same? mandatory? (the artifact.#mandatory? artifact))
@@ -84,17 +84,17 @@
                           (let [ '
                                  ']
                             (and (let [[@it registry] (  mandatory? expected_dependencies /.empty)]
-                                   (and (case ( registry)
+                                   (and (when ( registry)
                                           (list actual_name)
                                           (same?  actual_name)
 
                                           _
                                           false)
-                                        (case (sequence.list (/.artifacts registry))
+                                        (when (sequence.list (/.artifacts registry))
                                           (list [artifact actual_dependencies])
                                           (and (same? @it (the artifact.#id artifact))
                                                (same? mandatory? (the artifact.#mandatory? artifact))
-                                               (case (the artifact.#category artifact)
+                                               (when (the artifact.#category artifact)
                                                  { actual_name}
                                                  (same?  actual_name)
 
@@ -105,7 +105,7 @@
                                           _
                                           false)))
                                  (let [[@it registry] (  mandatory? expected_dependencies /.empty)]
-                                   (case ( registry)
+                                   (when ( registry)
                                      (list)
                                      true
 
diff --git a/stdlib/source/test/lux/meta/compiler/meta/cache.lux b/stdlib/source/test/lux/meta/compiler/meta/cache.lux
index fbff46fd2..53e8cd328 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/cache.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/cache.lux
@@ -42,7 +42,7 @@
                      (and (not pre/0)
                           (not pre/1)
                           
-                          (case outcome
+                          (when outcome
                             {try.#Success _} true
                             {try.#Failure _} false)
                           
diff --git a/stdlib/source/test/lux/meta/compiler/meta/cache/artifact.lux b/stdlib/source/test/lux/meta/compiler/meta/cache/artifact.lux
index 29a5f85b5..bf0faa128 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/cache/artifact.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/cache/artifact.lux
@@ -45,11 +45,11 @@
                     read! (/.cache fs context @module @artifact)]
                    (unit.coverage [/.path /.cache! /.cache]
                      (and (not pre)
-                          (case write!
+                          (when write!
                             {try.#Success _} true
                             {try.#Failure _} false)
                           post
-                          (case read!
+                          (when read!
                             {try.#Success actual} (binary#= expected actual)
                             {try.#Failure _} false)))))
              ))))
diff --git a/stdlib/source/test/lux/meta/compiler/meta/cache/module.lux b/stdlib/source/test/lux/meta/compiler/meta/cache/module.lux
index dbfb86c7f..243d395fc 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/cache/module.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/cache/module.lux
@@ -66,7 +66,7 @@
                      (and (not pre/0)
                           (not pre/1)
                           
-                          (case outcome
+                          (when outcome
                             {try.#Success _} true
                             {try.#Failure _} false)
                           
@@ -84,7 +84,7 @@
                      (and (not pre/0)
                           (not pre/1)
                           
-                          (case outcome
+                          (when outcome
                             {try.#Success _}
                             false
                             
diff --git a/stdlib/source/test/lux/meta/compiler/meta/cache/purge.lux b/stdlib/source/test/lux/meta/compiler/meta/cache/purge.lux
index 25d61d664..2a97eef8a 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/cache/purge.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/cache/purge.lux
@@ -133,7 +133,7 @@
                                        (in (and (at set.equivalence =
                                                     (set.of_list text.hash pre)
                                                     (set.of_list text.hash (list file/0 file/1)))
-                                                (case post
+                                                (when post
                                                   {try.#Failure error}
                                                   (exception.match? file.cannot_find_directory error)
 
diff --git a/stdlib/source/test/lux/meta/compiler/meta/cli.lux b/stdlib/source/test/lux/meta/compiler/meta/cli.lux
index b30db36b6..099f0344d 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/cli.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/cli.lux
@@ -62,7 +62,7 @@
                                    [(_.coverage []
                                       (|> (list.partial "build" compilation')
                                           (.result /.service)
-                                          (try#each (|>> (pipe.case
+                                          (try#each (|>> (pipe.when
                                                            {/.#Compilation it}
                                                            (|> it
                                                                (the )
@@ -85,7 +85,7 @@
                (`` (and (,, (with_template [ ]
                               [(|> (list.partial "repl" compilation')
                                    (.result /.service)
-                                   (try#each (|>> (pipe.case
+                                   (try#each (|>> (pipe.when
                                                     {/.#Interpretation it}
                                                     (|> it
                                                         (the )
@@ -107,7 +107,7 @@
                (`` (and (,, (with_template [ ]
                               [(|> (list.partial "export" export)
                                    (.result /.service)
-                                   (try#each (|>> (pipe.case
+                                   (try#each (|>> (pipe.when
                                                     {/.#Export it}
                                                     (|> it
                                                         
diff --git a/stdlib/source/test/lux/meta/compiler/meta/export.lux b/stdlib/source/test/lux/meta/compiler/meta/export.lux
index 484a411b1..ac3841ecc 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/export.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/export.lux
@@ -80,7 +80,7 @@
                           (|> it
                               (try#each (|>> product.left
                                              sequence.list
-                                             (pipe.case
+                                             (pipe.when
                                                (list {tar.#Normal [actual_path/0 when/0 mode/0 ownership/0 actual_content/0]}
                                                      {tar.#Normal [actual_path/1 when/1 mode/1 ownership/1 actual_content/1]})
                                                (with_expansions [ (and (and (text#= file/0' (tar.from_path actual_path/0))
@@ -103,7 +103,7 @@
                           (|> it
                               (try#each (|>> product.right
                                              sequence.list
-                                             (pipe.case
+                                             (pipe.when
                                                (list {tar.#Normal [actual_path/0 _ _ _ actual_content/0]}
                                                      {tar.#Normal [actual_path/1 _ _ _ actual_content/1]})
                                                (with_expansions [ (and (and (text#= file/0' (tar.from_path actual_path/0))
diff --git a/stdlib/source/test/lux/meta/compiler/phase.lux b/stdlib/source/test/lux/meta/compiler/phase.lux
index b4ace0f20..18cad7805 100644
--- a/stdlib/source/test/lux/meta/compiler/phase.lux
+++ b/stdlib/source/test/lux/meta/compiler/phase.lux
@@ -34,7 +34,7 @@
 (def (comparison init)
   (All (_ s) (-> s (Comparison (/.Operation s))))
   (function (_ == left right)
-    (case [(/.result init left)
+    (when [(/.result init left)
            (/.result init right)]
       [{try.#Success left}
        {try.#Success right}]
@@ -55,7 +55,7 @@
          (_.coverage [/.failure]
            (|> (/.failure expected_error)
                (/.result state)
-               (pipe.case {try.#Failure actual_error}
+               (pipe.when {try.#Failure actual_error}
                  (same? expected_error actual_error)
 
                  _
@@ -63,7 +63,7 @@
          (_.coverage [/.lifted]
            (and (|> (/.lifted {try.#Failure expected_error})
                     (/.result state)
-                    (pipe.case {try.#Failure actual_error}
+                    (pipe.when {try.#Failure actual_error}
                       (same? expected_error actual_error)
 
                       _
@@ -75,7 +75,7 @@
          (_.coverage [/.except]
            (|> (/.except ..oops [])
                (/.result state)
-               (pipe.case {try.#Failure error}
+               (pipe.when {try.#Failure error}
                  (exception.match? ..oops error)
 
                  _
@@ -83,14 +83,14 @@
          (_.coverage [/.assertion]
            (and (|> (/.assertion ..oops [] false)
                     (/.result state)
-                    (pipe.case {try.#Failure error}
+                    (pipe.when {try.#Failure error}
                       (exception.match? ..oops error)
 
                       _
                       false))
                 (|> (/.assertion ..oops [] true)
                     (/.result state)
-                    (pipe.case {try.#Success _}
+                    (pipe.when {try.#Success _}
                       true
 
                       _
@@ -126,7 +126,7 @@
                                 (at n.hex encoded)
                                 (text#= state/hex)))))
                (/.result' state)
-               (pipe.case {try.#Success [state' verdict]}
+               (pipe.when {try.#Success [state' verdict]}
                  (and verdict
                       (n.= state state'))
 
@@ -148,7 +148,7 @@
          (_.coverage [/.result]
            (|> (at /.monad in expected)
                (/.result state)
-               (pipe.case {try.#Success actual}
+               (pipe.when {try.#Success actual}
                  (same? expected actual)
 
                  _
@@ -156,7 +156,7 @@
          (_.coverage [/.result']
            (|> (at /.monad in expected)
                (/.result' state)
-               (pipe.case {try.#Success [state' actual]}
+               (pipe.when {try.#Success [state' actual]}
                  (and (same? state state')
                       (same? expected actual))
 
@@ -187,7 +187,7 @@
                                           (at /.monad in (%.frac input)))))]
              (|> (phase archive.empty expected)
                  (/.result' [state/0 state/1])
-                 (pipe.case {try.#Success [[state/0' state/1'] actual]}
+                 (pipe.when {try.#Success [[state/0' state/1'] actual]}
                    (and (text#= (%.frac (i.frac expected)) actual)
                         (same? state/0 state/0')
                         (same? state/1 state/1'))
diff --git a/stdlib/source/test/lux/meta/compiler/reference.lux b/stdlib/source/test/lux/meta/compiler/reference.lux
index 9cbd38424..139ee891e 100644
--- a/stdlib/source/test/lux/meta/compiler/reference.lux
+++ b/stdlib/source/test/lux/meta/compiler/reference.lux
@@ -52,7 +52,7 @@
 
                (,, (with_template []
                      [(_.coverage []
-                        (case ( expected_register)
+                        (when ( expected_register)
                           ( actual_register)
                           (n.= expected_register actual_register)
 
@@ -65,20 +65,20 @@
 
                (_.coverage [/.variable /.self]
                  (and (at /.equivalence = (/.self) (/.variable (variable.self)))
-                      (case (/.self)
+                      (when (/.self)
                         (/.self)
                         true
                         
                         _
                         false)
-                      (case (/.variable (variable.self))
+                      (when (/.variable (variable.self))
                         (/.self)
                         true
                         
                         _
                         false)))
                (_.coverage [/.constant]
-                 (case (/.constant expected_constant)
+                 (when (/.constant expected_constant)
                    (/.constant actual_constant)
                    (symbol#= expected_constant actual_constant)
 
diff --git a/stdlib/source/test/lux/meta/compiler/reference/variable.lux b/stdlib/source/test/lux/meta/compiler/reference/variable.lux
index 6cb7c7c10..9fe14eec1 100644
--- a/stdlib/source/test/lux/meta/compiler/reference/variable.lux
+++ b/stdlib/source/test/lux/meta/compiler/reference/variable.lux
@@ -34,7 +34,7 @@
              (_.for [/.hash]
                     ($hash.spec /.hash ..random))
              (_.coverage [/.self]
-               (case (/.self)
+               (when (/.self)
                  (/.self) true
                  _ false))
              (_.coverage [/.self?]
diff --git a/stdlib/source/test/lux/meta/configuration.lux b/stdlib/source/test/lux/meta/configuration.lux
index e8ebe4980..8bc88d2d7 100644
--- a/stdlib/source/test/lux/meta/configuration.lux
+++ b/stdlib/source/test/lux/meta/configuration.lux
@@ -30,7 +30,7 @@
 
 (def .public (random amount)
   (-> Nat (Random /.Configuration))
-  (case amount
+  (when amount
     0 (random#in /.empty)
     _ (do [! random.monad]
         [feature (random.upper_case amount)
@@ -41,7 +41,7 @@
 (def failure
   (syntax (_ [it .any])
     (function (_ lux)
-      (case (expansion.complete it lux)
+      (when (expansion.complete it lux)
         {try.#Failure error}
         {try.#Success [lux (list (code.text error))]}
         
diff --git a/stdlib/source/test/lux/meta/macro.lux b/stdlib/source/test/lux/meta/macro.lux
index 792ed49eb..29f993f3a 100644
--- a/stdlib/source/test/lux/meta/macro.lux
+++ b/stdlib/source/test/lux/meta/macro.lux
@@ -38,7 +38,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
         true
        _ false)]))
 
@@ -114,7 +114,7 @@
 (def iterated
   (syntax (_ [cycle .nat
               it .any])
-    (in (list (case cycle
+    (in (list (when cycle
                 0 it
                 _ (` (..iterated (, (code.nat (-- cycle))) (, it))))))))
 
@@ -164,7 +164,7 @@
                                   (static.random code.nat
                                                          (random#each (|>> (n.% 5) ++) random.nat))
                                   (/.final (..iterated  ))]
-                 (case (' )
+                 (when (' )
                    [_ {.#Nat actual}]
                    (n.=  actual)
 
@@ -178,7 +178,7 @@
                                                          (random#each (|>> (n.% ) ++) random.nat))
                                   (/.times  (..iterated  ))]
                  (let [expected_remaining (n.-  )]
-                   (case (` )
+                   (when (` )
                      (^.` (..iterated (^., [_ {.#Nat actual_remaining}]) (^., [_ {.#Nat actual}])))
                      (and (n.= expected_remaining actual_remaining)
                           (n.=  actual))
@@ -191,7 +191,7 @@
   (macro (_ tokens)
     (loop (again [tokens tokens
                   output 0])
-      (case tokens
+      (when tokens
         {.#End}
         (at meta.monad in (list (code.nat output)))
         
diff --git a/stdlib/source/test/lux/meta/macro/local.lux b/stdlib/source/test/lux/meta/macro/local.lux
index eb58f416b..244c8ddd7 100644
--- a/stdlib/source/test/lux/meta/macro/local.lux
+++ b/stdlib/source/test/lux/meta/macro/local.lux
@@ -37,7 +37,7 @@
 (def macro_error
   (syntax (_ [macro .any])
     (function (_ compiler)
-      (case ((expansion.complete macro) compiler)
+      (when ((expansion.complete macro) compiler)
         {try.#Failure error}
         {try.#Success [compiler (list (code.text error))]}
         
diff --git a/stdlib/source/test/lux/meta/macro/pattern.lux b/stdlib/source/test/lux/meta/macro/pattern.lux
index 0b443cfd6..362cf42ba 100644
--- a/stdlib/source/test/lux/meta/macro/pattern.lux
+++ b/stdlib/source/test/lux/meta/macro/pattern.lux
@@ -44,7 +44,7 @@
              (do [! random.monad]
                [sample (at ! each (n.% 5) random.nat)]
                (_.coverage [/.with_template]
-                 (case sample
+                 (when sample
                    (/.with_template []
                      [ true])
                    ([0] [1] [2] [3] [4])
@@ -52,19 +52,19 @@
                    _
                    false)))
              (_.coverage [/.or]
-               (and (/.case expected_rev
+               (and (/.when expected_rev
                       (/.or .5 .25) true
                       _ false)
-                    (/.case expected_frac
+                    (/.when expected_frac
                       (/.or +0.5 +1.25) true
                       _ false)
-                    (/.case expected_text
+                    (/.when expected_text
                       (/.or "+0.5" "+1.25") true
                       _ false)))
              (_.coverage [/.let]
                (let [expected_pair (is (Pair Nat Int)
                                        [..#left expected_nat ..#right expected_int])]
-                 (/.case expected_pair
+                 (/.when expected_pair
                    (/.let actual_pair (!pair actual_left actual_right))
                    (and (/.same? expected_pair actual_pair)
                         (/.same? expected_nat actual_left)
@@ -72,7 +72,7 @@
              (_.coverage [/.multi]
                (let [expected_pair (is (Pair Nat Int)
                                        [..#left expected_nat ..#right expected_int])]
-                 (and (/.case expected_pair
+                 (and (/.when expected_pair
                         (/.multi (!pair 0 actual_right)
                                  [actual_right
                                   +0])
@@ -80,7 +80,7 @@
 
                         _
                         false)
-                      (/.case expected_pair
+                      (/.when expected_pair
                         (/.multi (!pair 0 actual_right)
                                  (i.= +0 actual_right))
                         true
@@ -88,12 +88,12 @@
                         _
                         false))))
              (_.coverage [/.|>]
-               (case expected_frac
+               (when expected_frac
                  (/.|> actual_frac [(f.* +2.0) (f.* +2.0)])
                  (f.= (f.* +4.0 expected_frac)
                       actual_frac)))
              (_.coverage [/.`]
-               (case (code.text expected_text)
+               (when (code.text expected_text)
                  (/.` "+0.5") true
                  (/.` "+1.25") true
                  _ false))
diff --git a/stdlib/source/test/lux/meta/macro/syntax/check.lux b/stdlib/source/test/lux/meta/macro/syntax/check.lux
index 72a8753f1..aac4bc781 100644
--- a/stdlib/source/test/lux/meta/macro/syntax/check.lux
+++ b/stdlib/source/test/lux/meta/macro/syntax/check.lux
@@ -38,7 +38,7 @@
            (do random.monad
              [[type value] ..random]
              (_.coverage [/.format /.parser]
-               (case (.result /.parser
+               (when (.result /.parser
                                     (list (/.format [/.#type type
                                                      /.#value value])))
                  {try.#Failure _}
diff --git a/stdlib/source/test/lux/meta/macro/syntax/declaration.lux b/stdlib/source/test/lux/meta/macro/syntax/declaration.lux
index 9a06513ed..090518338 100644
--- a/stdlib/source/test/lux/meta/macro/syntax/declaration.lux
+++ b/stdlib/source/test/lux/meta/macro/syntax/declaration.lux
@@ -40,7 +40,7 @@
            (do random.monad
              [expected ..random]
              (_.coverage [/.format /.parser]
-               (case (.result /.parser
+               (when (.result /.parser
                                     (list (/.format expected)))
                  {try.#Failure _}
                  false
diff --git a/stdlib/source/test/lux/meta/macro/syntax/definition.lux b/stdlib/source/test/lux/meta/macro/syntax/definition.lux
index 28aa3653d..929f841d6 100644
--- a/stdlib/source/test/lux/meta/macro/syntax/definition.lux
+++ b/stdlib/source/test/lux/meta/macro/syntax/definition.lux
@@ -68,7 +68,7 @@
               untyped_value $////code.random]
              (all _.and
                   (_.coverage [/.format /.parser]
-                    (case (.result (/.parser compiler)
+                    (when (.result (/.parser compiler)
                                          (list (/.format expected)))
                       {try.#Failure error}
                       false
@@ -77,7 +77,7 @@
                       (at /.equivalence = expected actual)))
                   (_.coverage [/.typed]
                     (let [expected (has /.#value {.#Left [type untyped_value]} expected)]
-                      (case (.result (/.typed compiler)
+                      (when (.result (/.typed compiler)
                                            (list (/.format expected)))
                         {try.#Failure error}
                         false
@@ -86,7 +86,7 @@
                         (at /.equivalence = expected actual))))
                   (_.coverage [/.lacks_type]
                     (let [expected (has /.#value {.#Right untyped_value} expected)]
-                      (case (.result (/.typed compiler)
+                      (when (.result (/.typed compiler)
                                            (list (/.format expected)))
                         {try.#Failure error}
                         (exception.match? /.lacks_type error)
diff --git a/stdlib/source/test/lux/meta/macro/syntax/export.lux b/stdlib/source/test/lux/meta/macro/syntax/export.lux
index b8109c5b6..e074f64ae 100644
--- a/stdlib/source/test/lux/meta/macro/syntax/export.lux
+++ b/stdlib/source/test/lux/meta/macro/syntax/export.lux
@@ -32,7 +32,7 @@
       (do random.monad
         [[expected_export_policy expected_un_exported] ..export]
         (_.coverage [/.parser /.default_policy]
-          (|> (case expected_export_policy
+          (|> (when expected_export_policy
                 {.#Some expected_export_policy}
                 (list expected_export_policy (code.nat expected_un_exported))
 
diff --git a/stdlib/source/test/lux/meta/macro/syntax/input.lux b/stdlib/source/test/lux/meta/macro/syntax/input.lux
index fffc345da..7f84d403d 100644
--- a/stdlib/source/test/lux/meta/macro/syntax/input.lux
+++ b/stdlib/source/test/lux/meta/macro/syntax/input.lux
@@ -42,7 +42,7 @@
            (do random.monad
              [expected ..random]
              (_.coverage [/.format /.parser]
-               (case (.result /.parser (list (/.format (list expected))))
+               (when (.result /.parser (list (/.format (list expected))))
                  {try.#Failure _}
                  false
                  
diff --git a/stdlib/source/test/lux/meta/macro/template.lux b/stdlib/source/test/lux/meta/macro/template.lux
index c9edbd035..655c52d73 100644
--- a/stdlib/source/test/lux/meta/macro/template.lux
+++ b/stdlib/source/test/lux/meta/macro/template.lux
@@ -33,7 +33,7 @@
 (def macro_error
   (syntax (_ [macro .any])
     (function (_ compiler)
-      (case ((expansion.complete macro) compiler)
+      (when ((expansion.complete macro) compiler)
         {try.#Failure error}
         {try.#Success [compiler (list (code.text error))]}
         
@@ -57,18 +57,18 @@
                      (list left mid right)
                      (`` (list (,, (/.spliced [left mid right]))))))
                (_.coverage [/.amount]
-                 (case (/.amount [left mid right])
+                 (when (/.amount [left mid right])
                    3 true
                    _ false))
                (_.coverage [/.text]
-                 (case (/.text )
+                 (when (/.text )
                    ' true
                    _ false))
                (_.coverage [/.symbol]
-                 (and (case (`` (symbol (,, (/.symbol ))))
+                 (and (when (`` (symbol (,, (/.symbol ))))
                         ["" '] true
                         _ false)
-                      (case (`` (symbol (,, (/.symbol  ))))
+                      (when (`` (symbol (,, (/.symbol  ))))
                         [' '] true
                         _ false)
                       ))
diff --git a/stdlib/source/test/lux/meta/static.lux b/stdlib/source/test/lux/meta/static.lux
index e030d74ac..a7169d6af 100644
--- a/stdlib/source/test/lux/meta/static.lux
+++ b/stdlib/source/test/lux/meta/static.lux
@@ -32,7 +32,7 @@
                         (with_expansions [ ()
                                            ()
                                            ( (<+>  ))]
-                          (case (' )
+                          (when (' )
                             [_ { l+r}]
                             (<=> l+r (<+>  ))
 
@@ -47,7 +47,7 @@
                  (with_expansions [ (/.random_frac)
                                     (/.random_frac)
                                     (/.frac (f.+  ))]
-                   (case (' )
+                   (when (' )
                      [_ {.#Frac l+r}]
                      (or (f.= l+r (f.+  ))
                          (and (f.not_a_number? l+r)
@@ -61,7 +61,7 @@
                  (with_expansions [ (/.random code.text (random.alpha_numeric 1))
                                     (/.random code.text (random.alpha_numeric 1))
                                     (/.text (format  ))]
-                   (case (' )
+                   (when (' )
                      [_ {.#Text l+r}]
                      (text#= l+r (format  ))
 
@@ -78,7 +78,7 @@
                  (with_expansions [ (/.random code.text (random.alpha_numeric 1))
                                     (/.random code.text (random.alpha_numeric 1))
                                     (/.literal code.text (format  ))]
-                   (case (' )
+                   (when (' )
                      [_ {.#Text l+r}]
                      (text#= l+r (format  ))
 
diff --git a/stdlib/source/test/lux/meta/target/js.lux b/stdlib/source/test/lux/meta/target/js.lux
index 759e0af3c..9867d5085 100644
--- a/stdlib/source/test/lux/meta/target/js.lux
+++ b/stdlib/source/test/lux/meta/target/js.lux
@@ -80,7 +80,7 @@
            (|> /.null
                ..eval
                (try#each (function (_ it)
-                           (case it
+                           (when it
                              {.#None} true
                              {.#Some _} false)))
                (try.else false)))
@@ -471,7 +471,7 @@
                                                   (/.while (/.< (/.int (.int full_inner_iterations)) $inner_index)
                                                            (all /.then
                                                                 (/.when (/.= (/.int (.int expected_inner_iterations)) $inner_index)
-                                                                        /.break)
+                                                                  /.break)
                                                                 (/.set $output (/.+ $input $output))
                                                                 (/.set $inner_index (/.+ (/.int +1) $inner_index))
                                                                 ))
@@ -488,7 +488,7 @@
                                                            (all /.then
                                                                 (/.set $inner_index (/.+ (/.int +1) $inner_index))
                                                                 (/.when (/.<= (/.int (.int expected_inner_iterations)) $inner_index)
-                                                                        /.continue)
+                                                                  /.continue)
                                                                 (/.set $output (/.+ $input $output))
                                                                 ))
                                                   (/.return $output)))
@@ -511,9 +511,9 @@
                                                                               (/.while (/.< (/.int (.int full_inner_iterations)) $inner_index)
                                                                                        (all /.then
                                                                                             (/.when (/.= (/.int (.int expected_outer_iterations)) $outer_index)
-                                                                                                    (/.break_at @outer))
+                                                                                              (/.break_at @outer))
                                                                                             (/.when (/.= (/.int (.int expected_inner_iterations)) $inner_index)
-                                                                                                    /.break)
+                                                                                              /.break)
                                                                                             (/.set $output (/.+ $input $output))
                                                                                             (/.set $inner_index (/.+ (/.int +1) $inner_index))
                                                                                             ))
@@ -539,9 +539,9 @@
                                                                                        (all /.then
                                                                                             (/.set $inner_index (/.+ (/.int +1) $inner_index))
                                                                                             (/.when (/.<= (/.int (.int expected_outer_iterations)) $outer_index)
-                                                                                                    (/.continue_at @outer))
+                                                                                              (/.continue_at @outer))
                                                                                             (/.when (/.<= (/.int (.int expected_inner_iterations)) $inner_index)
-                                                                                                    /.continue)
+                                                                                              /.continue)
                                                                                             (/.set $output (/.+ $input $output))
                                                                                             ))
                                                                               )
@@ -733,7 +733,7 @@
                        (/.apply (/.closure (list)
                                            (all /.then
                                                 (/.when (/.boolean ???)
-                                                        (/.return (/.number number/0)))
+                                                  (/.return (/.number number/0)))
                                                 (/.return (/.number number/1))))
                                 (list))))
          (_.coverage [/.switch]
@@ -819,7 +819,7 @@
                                                  (/.return $arg/0)))
                                  (list))
                         ..eval
-                        (pipe.case
+                        (pipe.when
                           {try.#Success it}
                           false
                           
diff --git a/stdlib/source/test/lux/meta/target/jvm.lux b/stdlib/source/test/lux/meta/target/jvm.lux
index 0e0da91da..b7c487680 100644
--- a/stdlib/source/test/lux/meta/target/jvm.lux
+++ b/stdlib/source/test/lux/meta/target/jvm.lux
@@ -125,7 +125,7 @@
   (do random.monad
     [class_name ..class_name
      method_name (random.upper_case 10)]
-    (in (case (do try.monad
+    (in (when (do try.monad
                 [class (/class.class /version.v6_0 /class.public
                          (/name.internal class_name)
                          {.#None}
@@ -914,7 +914,7 @@
                         (binary.result /class.format))
            loader (/loader.memory (/loader.new_library []))]]
     (_.test "PUTSTATIC & PUTFIELD & GETFIELD & GETSTATIC"
-      (case (do try.monad
+      (when (do try.monad
               [_ (/loader.define class_name bytecode loader)
                class (io.run! (/loader.load class_name loader))
                method (try (get_method static_method class))
@@ -1047,7 +1047,7 @@
                 .let [type (loop (again [dimensions dimensions
                                          type (is (Type Object)
                                                   ..$Object)])
-                             (case dimensions
+                             (when dimensions
                                0 type
                                _ (again (-- dimensions) (/type.array type))))]]
                (<| (_.lifted "MULTIANEWARRAY")
@@ -1351,7 +1351,7 @@
                                                          (random.only (|>> (text#= primitive_method_name) not)))
                                   expected (the #random primitive)
                                   .let [$Self (/type.class class_name (list))]]
-                                 (in (case (do try.monad
+                                 (in (when (do try.monad
                                              [class (/class.class /version.v6_0 /class.public
                                                       (/name.internal class_name)
                                                       {.#None}
@@ -1371,7 +1371,7 @@
                                                                             (list)
                                                                             {.#Some (do /.monad
                                                                                       [_ (/.invokestatic $Self primitive_method_name primitive_method_type)
-                                                                                       _ (case substitute
+                                                                                       _ (when substitute
                                                                                            {.#None}
                                                                                            (in [])
 
@@ -1734,7 +1734,7 @@
                                  (binary.result /class.format))
            loader (/loader.memory (/loader.new_library []))]]
     (_.test "Class & interface inheritance"
-      (case (do try.monad
+      (when (do try.monad
               [_ (/loader.define abstract_class abstract_bytecode loader)
                _ (/loader.define interface_class interface_bytecode loader)
                _ (/loader.define concrete_class concrete_bytecode loader)
diff --git a/stdlib/source/test/lux/meta/target/lua.lux b/stdlib/source/test/lux/meta/target/lua.lux
index 9b2cd6642..6d1ba7cb3 100644
--- a/stdlib/source/test/lux/meta/target/lua.lux
+++ b/stdlib/source/test/lux/meta/target/lua.lux
@@ -58,7 +58,7 @@
            (|> /.nil
                /.code
                ..load
-               (pipe.case
+               (pipe.when
                  {.#None} true
                  {.#Some _} false)))
          (_.coverage [/.boolean]
@@ -432,7 +432,7 @@
                                               (/.for_in (list $index $input) (/.ipairs/1 (/.array (list.repeated full_iterations $input)))
                                                         (all /.then
                                                              (/.when (/.> expected_iterations $index)
-                                                                     /.break)
+                                                               /.break)
                                                              (/.set (list $output) (/.+ $input $output))))
                                               (/.return $output))
                                          (/.closure (list $input))
@@ -446,7 +446,7 @@
                                              (/.while (/.< full_iterations $index)
                                                       (all /.then
                                                            (/.when (/.= expected_iterations $index)
-                                                                   /.break)
+                                                             /.break)
                                                            (/.set (list $output) (/.+ $input $output))
                                                            (/.set (list $index) (/.+ (/.int +1) $index))
                                                            ))
@@ -460,7 +460,7 @@
                                               (/.repeat (/.= full_iterations $index)
                                                         (all /.then
                                                              (/.when (/.= expected_iterations $index)
-                                                                     /.break)
+                                                               /.break)
                                                              (/.set (list $output) (/.+ $input $output))
                                                              (/.set (list $index) (/.+ (/.int +1) $index))
                                                              ))
@@ -473,7 +473,7 @@
                                                 (/.for_step $index (/.int +0) full_iterations (/.int +1)
                                                             (all /.then
                                                                  (/.when (/.= expected_iterations $index)
-                                                                         /.break)
+                                                                   /.break)
                                                                  (/.set (list $output) (/.+ $input $output))))
                                                 (/.return $output))
                                            (/.closure (list $input))
@@ -660,7 +660,7 @@
            (expression (|>> (as Frac) (f.= (if ??? float/0 float/1)))
                        (|> (all /.then
                                 (/.when (/.boolean ???)
-                                        (/.return (/.float float/0)))
+                                  (/.return (/.float float/0)))
                                 (/.return (/.float float/1)))
                            (/.closure (list))
                            (/.apply (list)))))
diff --git a/stdlib/source/test/lux/meta/target/python.lux b/stdlib/source/test/lux/meta/target/python.lux
index fdc5ef219..b346cb53a 100644
--- a/stdlib/source/test/lux/meta/target/python.lux
+++ b/stdlib/source/test/lux/meta/target/python.lux
@@ -57,7 +57,7 @@
                /.code
                ..eval
                (try#each (function (_ it)
-                           (case it
+                           (when it
                              {.#None} true
                              {.#Some _} false)))
                (try.else false)))
@@ -364,7 +364,7 @@
            keyword/0 (keyword 0)
            keyword/1 (keyword 1)
            keyword_choice (keyword poly_choice)]
-     .let [expected/? (case poly_choice
+     .let [expected/? (when poly_choice
                         0 expected/0
                         _ expected/1)]
      $var (at ! each (|>> %.nat (format "v") /.var) random.nat)
@@ -602,7 +602,7 @@
      $ex (at ! each (|>> %.nat (format "ex_") /.var) random.nat)]
     (all _.and
          (_.coverage [/.raise /.Exception/1]
-           (case (try (..statement
+           (when (try (..statement
                        (function (_ $output)
                          (all /.then
                               (/.raise (/.Exception/1 (/.string expected_error)))
@@ -623,7 +623,7 @@
                                      /.#handler (/.set (list $output) (/.float expected))]))))
                     (as Frac)
                     (f.= expected))
-                (case (try (..statement
+                (when (try (..statement
                             (function (_ $output)
                               (/.try (all /.then
                                           (/.raise (/.Exception/1 (/.string expected_error)))
@@ -781,7 +781,7 @@
                        (/.def $def (list)
                          (all /.then
                               (/.when (/.bool test)
-                                      (/.return (/.float then)))
+                                (/.return (/.float then)))
                               (/.return (/.float else))))
                        (/.set (list $output) (/.apply (list) $def)))))
                (as Frac)
diff --git a/stdlib/source/test/lux/meta/target/ruby.lux b/stdlib/source/test/lux/meta/target/ruby.lux
index 37395eeb2..779af9f0b 100644
--- a/stdlib/source/test/lux/meta/target/ruby.lux
+++ b/stdlib/source/test/lux/meta/target/ruby.lux
@@ -53,7 +53,7 @@
   (-> /.Expression Bit)
   (|>> /.code
        ..eval
-       (try#each (|>> (pipe.case
+       (try#each (|>> (pipe.when
                         {.#None} true
                         {.#Some _} false)))
        (try.else false)))
@@ -739,7 +739,7 @@
                                   (/.while (/.< (/.int (.int full_inner_iterations)) $inner_index)
                                            (all /.then
                                                 (/.when (/.= (/.int (.int expected_inner_iterations)) $inner_index)
-                                                        /.break)
+                                                  /.break)
                                                 (/.set (list $output) (/.+ $input $output))
                                                 (/.set (list $inner_index) (/.+ (/.int +1) $inner_index))
                                                 ))
@@ -756,7 +756,7 @@
                                            (all /.then
                                                 (/.set (list $inner_index) (/.+ (/.int +1) $inner_index))
                                                 (/.when (/.<= (/.int (.int expected_inner_iterations)) $inner_index)
-                                                        /.next)
+                                                  /.next)
                                                 (/.set (list $output) (/.+ $input $output))
                                                 ))
                                   (/.return $output))
@@ -772,7 +772,7 @@
                                            (all /.then
                                                 (/.set (list $inner_index) (/.+ (/.int +1) $inner_index))
                                                 (/.when (/.<= (/.int (.int expected_inner_iterations)) $inner_index)
-                                                        /.redo)
+                                                  /.redo)
                                                 (/.set (list $output) (/.+ $input $output))
                                                 ))
                                   (/.return $output))
@@ -981,7 +981,7 @@
            (expression (|>> (as Frac) (f.= (if ??? float/0 float/1)))
                        (|> (all /.then
                                 (/.when (/.bool ???)
-                                        (/.return (/.float float/0)))
+                                  (/.return (/.float float/0)))
                                 (/.return (/.float float/1)))
                            [(list)] (/.lambda {.#None})
                            (/.apply_lambda (list)))))
diff --git a/stdlib/source/test/lux/meta/type.lux b/stdlib/source/test/lux/meta/type.lux
index 226533dd1..3c6872d26 100644
--- a/stdlib/source/test/lux/meta/type.lux
+++ b/stdlib/source/test/lux/meta/type.lux
@@ -45,7 +45,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
        
@@ -364,7 +364,7 @@
                                      (random#each (|>> {.#Product}) pairG)
                                      (random#each (|>> {.#Function}) pairG)
                                      ))]
-       (case parameters
+       (when parameters
          0 un_parameterized
          _ (|> random.nat
                (random#each (|>> (n.% parameters) {.#Parameter}))
@@ -385,7 +385,7 @@
                   ($equivalence.spec /.equivalence (..random 0)))
            
            (do [! random.monad]
-             [anonymousT (random.only (|>> (pipe.case {.#Named _ _} false
+             [anonymousT (random.only (|>> (pipe.when {.#Named _ _} false
                                              _ true))
                                       (..random 0))
               symbol/0 ..symbol
@@ -401,7 +401,7 @@
              [size (|> random.nat (at ! each (n.% 3)))
               members (|> (..random 0)
                           (random.only (function (_ type)
-                                         (case type
+                                         (when type
                                            (^.or {.#Sum _} {.#Product _})
                                            false
 
@@ -430,7 +430,7 @@
                          full (/.applied (list Int) partial)]
                         (in (at /.equivalence = full {.#Product Bit Int}))))
                   (|> (/.applied (list Bit) Text)
-                      (pipe.case
+                      (pipe.when
                         {.#None}
                         true
                         
@@ -441,7 +441,7 @@
               members (monad.all ! (list.repeated size (..random 0)))
               extra (|> (..random 0)
                         (random.only (function (_ type)
-                                       (case type
+                                       (when type
                                          (^.or {.#Function _} {.#Apply _})
                                          false
 
@@ -462,7 +462,7 @@
              [size (|> random.nat (at ! each (|>> (n.% 3) ++)))
               body_type (|> (..random 0)
                             (random.only (function (_ type)
-                                           (case type
+                                           (when type
                                              (^.or {.#UnivQ _} {.#ExQ _})
                                              false
 
@@ -488,7 +488,7 @@
              [depth (|> random.nat (at ! each (|>> (n.% 3) ++)))
               element_type (|> (..random 0)
                                (random.only (function (_ type)
-                                              (case type
+                                              (when type
                                                 {.#Primitive name (list element_type)}
                                                 (not (text#= array.primitive name))
 
diff --git a/stdlib/source/test/lux/meta/type/check.lux b/stdlib/source/test/lux/meta/type/check.lux
index f6874ae5f..b6459169f 100644
--- a/stdlib/source/test/lux/meta/type/check.lux
+++ b/stdlib/source/test/lux/meta/type/check.lux
@@ -54,7 +54,7 @@
                                                      (random#each (|>> {.#Apply}) pairG)))
            random_id (let [random_id (random.either (random#each (|>> {.#Var}) random.nat)
                                                     (random#each (|>> {.#Ex}) random.nat))]
-                       (case num_vars
+                       (when num_vars
                          0 random_id
                          _ (random.either (random#each (|>> (n.% num_vars) (n.* 2) ++ {.#Parameter}) random.nat)
                                           random_id)))
@@ -74,7 +74,7 @@
 
 (def (valid_type? type)
   (-> Type Bit)
-  (case type
+  (when type
     {.#Primitive name params}
     (list.every? valid_type? params)
     
@@ -100,7 +100,7 @@
 (def comparison
   (Comparison (All (_ a) (/.Check a)))
   (function (_ == left right)
-    (case [(/.result /.fresh_context left) (/.result /.fresh_context right)]
+    (when [(/.result /.fresh_context left) (/.result /.fresh_context right)]
       [{try.#Success left} {try.#Success right}]
       (== left right)
 
@@ -141,7 +141,7 @@
          (do random.monad
            [expected (random.upper_case 10)]
            (_.coverage [/.failure]
-             (case (/.result /.fresh_context
+             (when (/.result /.fresh_context
                              (is (/.Check Any)
                                  (/.failure expected)))
                {try.#Success _} false
@@ -149,16 +149,16 @@
          (do random.monad
            [expected (random.upper_case 10)]
            (_.coverage [/.assertion]
-             (and (case (/.result /.fresh_context
+             (and (when (/.result /.fresh_context
                                   (is (/.Check Any)
                                       (/.assertion expected true)))
                     {try.#Success _} true
                     {try.#Failure actual} false)
-                  (case (/.result /.fresh_context (/.assertion expected false))
+                  (when (/.result /.fresh_context (/.assertion expected false))
                     {try.#Success _} false
                     {try.#Failure actual} (same? expected actual)))))
          (_.coverage [/.except]
-           (case (/.result /.fresh_context
+           (when (/.result /.fresh_context
                            (is (/.Check Any)
                                (/.except ..yolo [])))
              {try.#Success _} false
@@ -168,12 +168,12 @@
                               (and (|> (/.check  )
                                        (is (/.Check Any))
                                        (/.result /.fresh_context)
-                                       (pipe.case {try.#Failure error} (? error)
+                                       (pipe.when {try.#Failure error} (? error)
                                          {try.#Success _} false))
                                    (|> (/.check  )
                                        (is (/.Check Any))
                                        (/.result /.fresh_context)
-                                       (pipe.case {try.#Failure error} (? error)
+                                       (pipe.when {try.#Failure error} (? error)
                                          {try.#Success _} false)))))]
            (all _.and
                 (_.coverage [/.type_check_failed]
@@ -202,7 +202,7 @@
   (<| (_.for [/.Var])
       (all _.and
            (_.coverage [/.var]
-             (case (/.result /.fresh_context
+             (when (/.result /.fresh_context
                              (do /.monad
                                [[var_id var_type] /.var]
                                (in (//#= var_type {.#Var var_id}))))
@@ -211,7 +211,7 @@
            (do random.monad
              [nominal (random.upper_case 10)]
              (_.coverage [/.bind]
-               (case (/.result /.fresh_context
+               (when (/.result /.fresh_context
                                (do /.monad
                                  [[var_id var_type] /.var
                                   _ (/.bind {.#Primitive nominal (list)}
@@ -245,7 +245,7 @@
            (do random.monad
              [nominal (random.upper_case 10)]
              (_.coverage [/.cannot_rebind_var]
-               (case (/.result /.fresh_context
+               (when (/.result /.fresh_context
                                (do /.monad
                                  [[var_id var_type] /.var
                                   _ (/.bind {.#Primitive nominal (list)}
@@ -261,7 +261,7 @@
              [nominal (random.upper_case 10)
               var_id random.nat]
              (_.coverage [/.unknown_type_var]
-               (case (/.result /.fresh_context
+               (when (/.result /.fresh_context
                                (/.bind {.#Primitive nominal (list)}
                                        var_id))
                  {try.#Success _}
@@ -277,7 +277,7 @@
                           [[var_id var_type] /.var]
                           (/.peek var_id))
                         (/.result /.fresh_context)
-                        (pipe.case {try.#Success {.#None}} true
+                        (pipe.when {try.#Success {.#None}} true
                           _ false))
                     (|> (do /.monad
                           [[var_id var/0] /.var
@@ -285,14 +285,14 @@
                            _ (/.check var/0 var/1)]
                           (/.peek var_id))
                         (/.result /.fresh_context)
-                        (pipe.case {try.#Success {.#None}} true
+                        (pipe.when {try.#Success {.#None}} true
                           _ false))
                     (|> (do /.monad
                           [[var_id var_type] /.var
                            _ (/.bind expected var_id)]
                           (/.peek var_id))
                         (/.result /.fresh_context)
-                        (pipe.case {try.#Success {.#Some actual}}
+                        (pipe.when {try.#Success {.#Some actual}}
                           (same? expected actual)
                           
                           _
@@ -301,7 +301,7 @@
              [nominal (random.upper_case 10)
               .let [expected {.#Primitive nominal (list)}]]
              (_.coverage [/.read]
-               (case (/.result /.fresh_context
+               (when (/.result /.fresh_context
                                (do /.monad
                                  [[var_id var_type] /.var
                                   _ (/.bind expected var_id)]
@@ -315,7 +315,7 @@
              [nominal (random.upper_case 10)
               .let [expected {.#Primitive nominal (list)}]]
              (_.coverage [/.unbound_type_var]
-               (case (/.result /.fresh_context
+               (when (/.result /.fresh_context
                                (do /.monad
                                  [[var_id var_type] /.var]
                                  (/.read var_id)))
@@ -334,13 +334,13 @@
               (n.= 0 (the .#ex_counter /.fresh_context))
               (list.empty? (the .#var_bindings /.fresh_context))))
        (_.coverage [/.context]
-         (and (case (/.result /.fresh_context /.context)
+         (and (when (/.result /.fresh_context /.context)
                 {try.#Success actual}
                 (same? /.fresh_context actual)
                 
                 {try.#Failure error}
                 false)
-              (case (/.result /.fresh_context
+              (when (/.result /.fresh_context
                               (do /.monad
                                 [_ /.var]
                                 /.context))
@@ -352,7 +352,7 @@
                 {try.#Failure error}
                 false)))
        (_.coverage [/.existential]
-         (case (/.result /.fresh_context
+         (when (/.result /.fresh_context
                          (do /.monad
                            [_ /.existential]
                            /.context))
@@ -368,7 +368,7 @@
 (def succeeds?
   (All (_ a) (-> (/.Check a) Bit))
   (|>> (/.result /.fresh_context)
-       (pipe.case {try.#Success _}
+       (pipe.when {try.#Success _}
          true
 
          {try.#Failure error}
@@ -457,7 +457,7 @@
 (def (verdict check)
   (All (_ _) (-> (/.Check _) (/.Check Bit)))
   (function (_ context)
-    {try.#Success [context (case (check context)
+    {try.#Success [context (when (check context)
                              {try.#Success _}
                              true
 
@@ -889,7 +889,7 @@
            (do random.monad
              [expected random.nat]
              (_.coverage [/.result]
-               (case (/.result /.fresh_context
+               (when (/.result /.fresh_context
                                (at /.monad in expected))
                  {try.#Success actual} (same? expected actual)
                  {try.#Failure error} false)))
diff --git a/stdlib/source/test/lux/meta/type/dynamic.lux b/stdlib/source/test/lux/meta/type/dynamic.lux
index 78382883f..d14bbbb19 100644
--- a/stdlib/source/test/lux/meta/type/dynamic.lux
+++ b/stdlib/source/test/lux/meta/type/dynamic.lux
@@ -26,21 +26,21 @@
         [expected random.nat]
         (all _.and
              (_.coverage [/.dynamic /.static]
-               (case (/.static Nat (/.dynamic expected))
+               (when (/.static Nat (/.dynamic expected))
                  {try.#Success actual}
                  (n.= expected actual)
                  
                  {try.#Failure _}
                  false))
              (_.coverage [/.wrong_type]
-               (case (/.static Text (/.dynamic expected))
+               (when (/.static Text (/.dynamic expected))
                  {try.#Success actual}
                  false
                  
                  {try.#Failure error}
                  (exception.match? /.wrong_type error)))
              (_.coverage [/.format]
-               (case (/.format (/.dynamic expected))
+               (when (/.format (/.dynamic expected))
                  {try.#Success actual}
                  (text#= (%.nat expected) actual)
                  
diff --git a/stdlib/source/test/lux/meta/type/refinement.lux b/stdlib/source/test/lux/meta/type/refinement.lux
index 845c878fd..2921ff8c2 100644
--- a/stdlib/source/test/lux/meta/type/refinement.lux
+++ b/stdlib/source/test/lux/meta/type/refinement.lux
@@ -40,7 +40,7 @@
              (_.for [/.Refiner]
                     (all _.and
                          (_.coverage [/.refiner]
-                           (case (/.refiner predicate raw)
+                           (when (/.refiner predicate raw)
                              {.#Some refined}
                              (predicate raw)
                              
diff --git a/stdlib/source/test/lux/meta/type/resource.lux b/stdlib/source/test/lux/meta/type/resource.lux
index 25c44d81a..33859dd4e 100644
--- a/stdlib/source/test/lux/meta/type/resource.lux
+++ b/stdlib/source/test/lux/meta/type/resource.lux
@@ -164,7 +164,7 @@
       [[_ _ exception] (meta.export exception)]
       (function (_ compiler)
         {.#Right [compiler
-                  (list (code.bit (case ((expansion.single to_expand) compiler)
+                  (list (code.bit (when ((expansion.single to_expand) compiler)
                                     {try.#Success _}
                                     false
                                     
diff --git a/stdlib/source/test/lux/meta/version.lux b/stdlib/source/test/lux/meta/version.lux
index 999e2f2e1..2182f3197 100644
--- a/stdlib/source/test/lux/meta/version.lux
+++ b/stdlib/source/test/lux/meta/version.lux
@@ -27,7 +27,7 @@
 (def failure
   (syntax (_ [it .any])
     (function (_ lux)
-      (case (expansion.complete it lux)
+      (when (expansion.complete it lux)
         {try.#Failure error}
         {try.#Success [lux (list (code.text error))]}
         
diff --git a/stdlib/source/test/lux/program.lux b/stdlib/source/test/lux/program.lux
index 62ab2204e..a4382595d 100644
--- a/stdlib/source/test/lux/program.lux
+++ b/stdlib/source/test/lux/program.lux
@@ -29,7 +29,7 @@
 
 (def !expect
   (template (_  )
-    [(case 
+    [(when 
        
        true
        
@@ -122,7 +122,7 @@
                                      inputs)]
                         (list#= inputs
                                 (as (List Text) (io.run! outcome))))
-                      (case (try ((is /.Program
+                      (when (try ((is /.Program
                                       (/.program [arg/0 \\parser.any
                                                   arg/1 \\parser.any
                                                   arg/2 \\parser.any
diff --git a/stdlib/source/test/lux/world/environment.lux b/stdlib/source/test/lux/world/environment.lux
index c2a9ac384..df434f657 100644
--- a/stdlib/source/test/lux/world/environment.lux
+++ b/stdlib/source/test/lux/world/environment.lux
@@ -54,7 +54,7 @@
            (do random.monad
              [property (random.alphabetic 1)]
              (_.coverage [\\parser.unknown_property]
-               (case (\\parser.result (\\parser.property property) \\parser.empty)
+               (when (\\parser.result (\\parser.property property) \\parser.empty)
                  {try.#Success _}
                  false
                  
@@ -104,7 +104,7 @@
                  (|> unknown
                      (at it variable)
                      io.run!
-                     (pipe.case {try.#Success _}
+                     (pipe.when {try.#Success _}
                        false
                        
                        {try.#Failure error}
diff --git a/stdlib/source/test/lux/world/file.lux b/stdlib/source/test/lux/world/file.lux
index 3eec4fa19..477b09110 100644
--- a/stdlib/source/test/lux/world/file.lux
+++ b/stdlib/source/test/lux/world/file.lux
@@ -41,7 +41,7 @@
   (-> (Atom Disk) (-> /.Path (IO Bit)))
   (do io.monad
     [disk (atom.read! disk)]
-    (in (case (dictionary.value @ disk)
+    (in (when (dictionary.value @ disk)
           {.#None} false
           {.#Some {.#Left _}} true
           {.#Some {.#Right _}} false))))
@@ -50,7 +50,7 @@
   (-> (Atom Disk) (-> /.Path (IO Bit)))
   (do io.monad
     [disk (atom.read! disk)]
-    (in (case (dictionary.value @ disk)
+    (in (when (dictionary.value @ disk)
           {.#None} false
           {.#Some {.#Left _}} false
           {.#Some {.#Right _}} true))))
@@ -61,7 +61,7 @@
       (-> /.Path (IO (Try Any))))
   (do [! io.monad]
     [disk' (atom.read! disk)]
-    (case (dictionary.value @ disk')
+    (when (dictionary.value @ disk')
       {.#Some {.#Right siblings}}
       (do !
         [_ (atom.compare_and_swap! disk' (dictionary.has @ {.#Right (alert siblings)} disk') disk)]
@@ -75,12 +75,12 @@
   (do [! io.monad]
     [now instant.now
      disk' (atom.read! disk)]
-    (case (dictionary.value @ disk')
+    (when (dictionary.value @ disk')
       (^.or {.#None}
             {.#Some {.#Left _}})
       (do !
         [_ (atom.compare_and_swap! disk' (dictionary.has @ {.#Left [now it]} disk') disk)]
-        (case (/.parent fs @)
+        (when (/.parent fs @)
           {.#Some parent}
           (alert_parent! disk (|>> (list.partial @)) parent)
 
@@ -94,7 +94,7 @@
   (-> (Atom Disk) (-> /.Path (IO (Try Binary))))
   (do io.monad
     [disk (atom.read! disk)]
-    (in (case (dictionary.value @ disk)
+    (in (when (dictionary.value @ disk)
           {.#Some {.#Left [_ it]}}
           {try.#Success it}
 
@@ -106,7 +106,7 @@
       (-> /.Path (IO (Try Any))))
   (do [! io.monad]
     [disk' (atom.read! disk)]
-    (case (dictionary.value @ disk')
+    (when (dictionary.value @ disk')
       {.#Some {.#Right children}}
       (if (list.empty? children)
         (do !
@@ -117,7 +117,7 @@
       {.#Some {.#Left [_ data]}}
       (do !
         [_ (atom.compare_and_swap! disk' (dictionary.lacks @ disk') disk)]
-        (case (/.parent fs @)
+        (when (/.parent fs @)
           {.#Some parent}
           (alert_parent! disk (list.only (|>> (text#= @) not)) parent)
 
@@ -144,7 +144,7 @@
      (def (file_size @)
        (do [! io.monad]
          [disk (atom.read! disk)]
-         (in (case (dictionary.value @ disk)
+         (in (when (dictionary.value @ disk)
                {.#Some {.#Left [_ it]}}
                {try.#Success (binary.size it)}
 
@@ -153,7 +153,7 @@
      (def (last_modified @)
        (do [! io.monad]
          [disk (atom.read! disk)]
-         (in (case (dictionary.value @ disk)
+         (in (when (dictionary.value @ disk)
                {.#Some {.#Left [it _]}}
                {try.#Success it}
 
@@ -162,7 +162,7 @@
      (def (can_execute? @)
        (do [! io.monad]
          [disk (atom.read! disk)]
-         (in (case (dictionary.value @ disk)
+         (in (when (dictionary.value @ disk)
                {.#Some {.#Left _}}
                {try.#Success false}
 
@@ -172,11 +172,11 @@
      (def (make_directory @)
        (do [! io.monad]
          [disk' (atom.read! disk)]
-         (case (dictionary.value @ disk')
+         (when (dictionary.value @ disk')
            {.#None}
            (do !
              [_ (atom.compare_and_swap! disk' (dictionary.has @ {.#Right (list)} disk') disk)]
-             (case (/.parent mock @)
+             (when (/.parent mock @)
                {.#Some parent}
                (alert_parent! disk (|>> (list.partial @)) parent)
 
@@ -188,7 +188,7 @@
      (def (directory_files @)
        (do [! io.monad]
          [disk' (atom.read! disk)]
-         (case (dictionary.value @ disk')
+         (when (dictionary.value @ disk')
            {.#Some {.#Right children}}
            (|> children
                (monad.only ! (..file? disk))
@@ -199,7 +199,7 @@
      (def (sub_directories @)
        (do [! io.monad]
          [disk' (atom.read! disk)]
-         (case (dictionary.value @ disk')
+         (when (dictionary.value @ disk')
            {.#Some {.#Right children}}
            (|> children
                (monad.only ! (..directory? disk))
@@ -211,7 +211,7 @@
        (do [! io.monad]
          [now instant.now
           disk' (atom.read! disk)]
-         (case (dictionary.value @ disk')
+         (when (dictionary.value @ disk')
            {.#None}
            (..write mock disk @ it)
            
@@ -227,7 +227,7 @@
      (def (modify @ it)
        (do [! io.monad]
          [disk' (atom.read! disk)]
-         (case (dictionary.value @ disk')
+         (when (dictionary.value @ disk')
            {.#Some {.#Left [_ data]}}
            (do !
              [_ (atom.compare_and_swap! disk' (dictionary.has @ {.#Left [it data]} disk') disk)]
@@ -258,7 +258,7 @@
                    [.let [fs (/.mock /)]
                     ? (at fs delete file)]
                    (unit.coverage [/.cannot_delete]
-                     (case ?
+                     (when ?
                        {try.#Failure error}
                        (exception.match? /.cannot_delete error)
 
@@ -268,7 +268,7 @@
                    [.let [fs (/.mock /)]
                     ? (at fs read file)]
                    (unit.coverage [/.cannot_find_file]
-                     (case ?
+                     (when ?
                        {try.#Failure error}
                        (exception.match? /.cannot_find_file error)
 
@@ -279,7 +279,7 @@
                     ?/0 (at fs directory_files file)
                     ?/1 (at fs sub_directories file)]
                    (unit.coverage [/.cannot_find_directory]
-                     (case [?/0 ?/1]
+                     (when [?/0 ?/1]
                        [{try.#Failure error/0} {try.#Failure error/1}]
                        (and (exception.match? /.cannot_find_directory error/0)
                             (exception.match? /.cannot_find_directory error/1))
diff --git a/stdlib/source/test/lux/world/file/watch.lux b/stdlib/source/test/lux/world/file/watch.lux
index 73f7755ca..e8ce8182e 100644
--- a/stdlib/source/test/lux/world/file/watch.lux
+++ b/stdlib/source/test/lux/world/file/watch.lux
@@ -77,13 +77,13 @@
                [?concern (at watcher concern directory)
                 ?stop (at watcher stop directory)]
                (unit.coverage [/.not_being_watched]
-                 (and (case ?concern
+                 (and (when ?concern
                         {try.#Failure error}
                         (exception.match? /.not_being_watched error)
 
                         {try.#Success _}
                         false)
-                      (case ?stop
+                      (when ?stop
                         {try.#Failure error}
                         (exception.match? /.not_being_watched error)
 
@@ -106,7 +106,7 @@
            (//.make_file async.monad fs (binary.empty 0) expected_path))
      poll/pre (at watcher poll [])
      poll/post (at watcher poll [])]
-    (in (and (case poll/pre
+    (in (and (when poll/pre
                (list [concern actual_path])
                (and (text#= expected_path actual_path)
                     (and (/.creation? concern)
@@ -124,7 +124,7 @@
      _ (at fs write expected_path data)
      poll/2 (at watcher poll [])
      poll/2' (at watcher poll [])]
-    (in (and (case poll/2
+    (in (and (when poll/2
                (list [concern actual_path])
                (and (text#= expected_path actual_path)
                     (and (not (/.creation? concern))
@@ -141,7 +141,7 @@
     [_ (at fs delete expected_path)
      poll/3 (at watcher poll [])
      poll/3' (at watcher poll [])]
-    (in (and (case poll/3
+    (in (and (when poll/3
                (list [concern actual_path])
                (and (not (/.creation? concern))
                     (not (/.modification? concern))
@@ -193,7 +193,7 @@
              (in (do async.monad
                    [started? (at watcher start /.all directory)]
                    (unit.coverage [/.cannot_poll_a_non_existent_directory]
-                     (case started?
+                     (when started?
                        {try.#Success _}
                        false
                        
diff --git a/stdlib/source/test/lux/world/net/http/client.lux b/stdlib/source/test/lux/world/net/http/client.lux
index 01bd03616..aa8ed3b58 100644
--- a/stdlib/source/test/lux/world/net/http/client.lux
+++ b/stdlib/source/test/lux/world/net/http/client.lux
@@ -37,7 +37,7 @@
         (! Bit)))
   (do !
     [response response]
-    (case response
+    (when response
       {try.#Success response}
       (|> response
           product.right
@@ -72,7 +72,7 @@
          .let [mock (is (/.Client IO)
                         (implementation
                          (def (request method url headers data)
-                           (io.io (let [value (case method
+                           (io.io (let [value (when method
                                                 {//.#Post} on_post
                                                 {//.#Get} on_get
                                                 {//.#Put} on_put
diff --git a/stdlib/source/test/lux/world/shell.lux b/stdlib/source/test/lux/world/shell.lux
index 8b3da3a10..ce6b1b984 100644
--- a/stdlib/source/test/lux/world/shell.lux
+++ b/stdlib/source/test/lux/world/shell.lux
@@ -105,7 +105,7 @@
                                failure (at process fail [])
                                wrote! (do !
                                         [write (at process write input)]
-                                        (in {try.#Success (case write
+                                        (in {try.#Success (when write
                                                             {try.#Success _}
                                                             false
                                                             
@@ -113,7 +113,7 @@
                                                             (text#= input write))}))
                                destroyed! (do !
                                             [destroy (at process destroy [])]
-                                            (in {try.#Success (case destroy
+                                            (in {try.#Success (when destroy
                                                                 {try.#Success _}
                                                                 false
                                                                 
diff --git a/stdlib/source/test/lux/world/time.lux b/stdlib/source/test/lux/world/time.lux
index 6e3bbff5b..4ca58afca 100644
--- a/stdlib/source/test/lux/world/time.lux
+++ b/stdlib/source/test/lux/world/time.lux
@@ -76,7 +76,7 @@
                                 (text.prefix )
                                 (text.suffix )
                                 (at /.codec decoded)
-                                (pipe.case
+                                (pipe.when
                                   {try.#Success _} true
                                   {try.#Failure error} false))
                             
@@ -86,7 +86,7 @@
                                 (text.prefix )
                                 (text.suffix )
                                 (at /.codec decoded)
-                                (pipe.case
+                                (pipe.when
                                   {try.#Success _}
                                   false
                                   
@@ -104,7 +104,7 @@
                    %.nat
                    (format "00:00:00.")
                    (at /.codec decoded)
-                   (pipe.case
+                   (pipe.when
                      {try.#Success _} true
                      {try.#Failure error} false)))
              ))))
@@ -129,7 +129,7 @@
                        (try#each (at /.equivalence = expected))
                        (try.else false)))
                  (_.coverage [/.time_exceeds_a_day]
-                   (case (/.of_millis out_of_bounds)
+                   (when (/.of_millis out_of_bounds)
                      {try.#Success _}
                      false
                      
diff --git a/stdlib/source/test/lux/world/time/date.lux b/stdlib/source/test/lux/world/time/date.lux
index e6887f9e0..3dd22343b 100644
--- a/stdlib/source/test/lux/world/time/date.lux
+++ b/stdlib/source/test/lux/world/time/date.lux
@@ -50,7 +50,7 @@
            (do random.monad
              [expected random.date]
              (_.coverage [/.invalid_day]
-               (case (/.date (/.year expected)
+               (when (/.date (/.year expected)
                              (/.month expected)
                              (n.+ 31 (/.day_of_month expected)))
                  {try.#Failure error}
@@ -87,7 +87,7 @@
                                   "-" (%.nat month)
                                   "-" (%.nat day))]]
              (_.coverage [/.invalid_month]
-               (case (.result /.parser input)
+               (when (.result /.parser input)
                  {try.#Failure error}
                  (exception.match? /.invalid_month error)
                  
diff --git a/stdlib/source/test/lux/world/time/day.lux b/stdlib/source/test/lux/world/time/day.lux
index f69727234..c6471ffae 100644
--- a/stdlib/source/test/lux/world/time/day.lux
+++ b/stdlib/source/test/lux/world/time/day.lux
@@ -61,7 +61,7 @@
              (do random.monad
                [not_a_day (random.upper_case 1)]
                (_.coverage [/.not_a_day_of_the_week]
-                 (case (at /.codec decoded not_a_day)
+                 (when (at /.codec decoded not_a_day)
                    {try.#Failure error}
                    (exception.match? /.not_a_day_of_the_week error)
                    
@@ -74,7 +74,7 @@
                    (try#each (at /.equivalence = expected))
                    (try.else false)))
              (_.coverage [/.invalid_day]
-               (case (/.by_number invalid)
+               (when (/.by_number invalid)
                  {try.#Failure error}
                  (exception.match? /.invalid_day error)
                  
diff --git a/stdlib/source/test/lux/world/time/instant.lux b/stdlib/source/test/lux/world/time/instant.lux
index cebba07ff..32b4c71f3 100644
--- a/stdlib/source/test/lux/world/time/instant.lux
+++ b/stdlib/source/test/lux/world/time/instant.lux
@@ -98,7 +98,7 @@
                       (apply duration.inverse day#pred 6)
                       (apply duration.inverse day#pred 7)))))
            (_.coverage [/.now]
-             (case (try (io.run! /.now))
+             (when (try (io.run! /.now))
                {try.#Success _}
                true
                
diff --git a/stdlib/source/test/lux/world/time/month.lux b/stdlib/source/test/lux/world/time/month.lux
index e7b5f09a2..29117b8d3 100644
--- a/stdlib/source/test/lux/world/time/month.lux
+++ b/stdlib/source/test/lux/world/time/month.lux
@@ -65,7 +65,7 @@
                         (try#each (at /.equivalence = expected))
                         (try.else false)))
                   (_.coverage [/.invalid_month]
-                    (case (/.by_number invalid)
+                    (when (/.by_number invalid)
                       {try.#Failure error}
                       (exception.match? /.invalid_month error)
                       
@@ -93,7 +93,7 @@
                   (do random.monad
                     [not_a_month (random.upper_case 1)]
                     (_.coverage [/.not_a_month_of_the_year]
-                      (case (at /.codec decoded not_a_month)
+                      (when (at /.codec decoded not_a_month)
                         {try.#Failure error}
                         (exception.match? /.not_a_month_of_the_year error)
                         
diff --git a/stdlib/source/test/lux/world/time/year.lux b/stdlib/source/test/lux/world/time/year.lux
index 32c19dccf..ec4638abd 100644
--- a/stdlib/source/test/lux/world/time/year.lux
+++ b/stdlib/source/test/lux/world/time/year.lux
@@ -49,14 +49,14 @@
              (all _.and
                   (_.coverage [/.year]
                     (bit#= (i.= +0 expected)
-                           (case (/.year expected)
+                           (when (/.year expected)
                              {try.#Success _}
                              false
 
                              {try.#Failure _}
                              true)))
                   (_.coverage [/.value]
-                    (case (/.year expected)
+                    (when (/.year expected)
                       {try.#Success year}
                       (i.= expected (/.value year))
 
@@ -64,7 +64,7 @@
                       (i.= +0 expected)))
                   ))
            (_.coverage [/.there_is_no_year_0]
-             (case (/.year +0)
+             (when (/.year +0)
                {try.#Success _}
                false
 
diff --git a/stdlib/source/unsafe/lux/data/collection/array.lux b/stdlib/source/unsafe/lux/data/collection/array.lux
index 0a292ad64..870e9eb4b 100644
--- a/stdlib/source/unsafe/lux/data/collection/array.lux
+++ b/stdlib/source/unsafe/lux/data/collection/array.lux
@@ -287,7 +287,7 @@
                     output (..empty size)]
                (.loop (again [index 0
                               input input])
-                 (.case input
+                 (.when input
                    {.#End}
                    output
                    
@@ -335,7 +335,7 @@
       (template (list  )
         [((.is (.All (_ r w) (.-> (.Maybe r) (..Array' r w) (.List r)))
                (.function (list default array)
-                 (.case default
+                 (.when default
                    {.#Some default}
                    (,, (..list|+default default array))
 
@@ -429,7 +429,7 @@
                    (with_expansions [ (again ("lux i64 +" 1 index))]
                      (.if (..lacks? index it)
                        
-                       (.case (? (..item index it))
+                       (.when (? (..item index it))
                          {.#None}
                          
 
-- 
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