Extensible import syntax: Part 1

211 files changed, 1601 insertions, 1601 deletions

diff --git a/stdlib/source/library/lux/tool/compiler/default/init.lux b/stdlib/source/library/lux/tool/compiler/default/init.lux
index 5e204f6ca..bed153bb9 100644
--- a/stdlib/source/library/lux/tool/compiler/default/init.lux
+++ b/stdlib/source/library/lux/tool/compiler/default/init.lux
@@ -1,54 +1,54 @@
 (.using
  [library
   [lux "*"
-   ["@" target {"+" Target}]
+   ["@" target (.only Target)]
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" dictionary]
      ["[0]" set]
      ["[0]" sequence ("[1]#[0]" functor)]]]
    [meta
-    ["[0]" configuration {"+" Configuration}]
+    ["[0]" configuration (.only Configuration)]
     ["[0]" version]]
    [world
     ["[0]" file]]]]
  ["[0]" // "_"
-  ["/[1]" // {"+" Instancer}
+  ["/[1]" // (.only Instancer)
    ["[1][0]" phase]
    [language
     [lux
-     [program {"+" Program}]
-     ["[1][0]" syntax {"+" Aliases}]
+     [program (.only Program)]
+     ["[1][0]" syntax (.only Aliases)]
      ["[1][0]" synthesis]
-     ["[1][0]" directive {"+" Requirements}]
+     ["[1][0]" directive (.only Requirements)]
      ["[1][0]" generation]
      ["[1][0]" analysis
-      [macro {"+" Expander}]
+      [macro (.only Expander)]
       ["[1]/[0]" evaluation]
       ["[0]A" module]]
      [phase
       ["[0]P" analysis]
       ["[0]P" synthesis]
       ["[0]P" directive]
-      ["[0]" extension {"+" Extender}
+      ["[0]" extension (.only Extender)
        ["[0]E" analysis]
        ["[0]E" synthesis]
        [directive
         ["[0]D" lux]]]]]]
    [meta
-    ["[0]" archive {"+" Archive}
-     ["[0]" registry {"+" Registry}]
+    ["[0]" archive (.only Archive)
+     ["[0]" registry (.only Registry)]
      ["[0]" module
       ["[0]" descriptor]
       ["[0]" document]]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/default/platform.lux b/stdlib/source/library/lux/tool/compiler/default/platform.lux
index ac43de9f2..ea24d68b5 100644
--- a/stdlib/source/library/lux/tool/compiler/default/platform.lux
+++ b/stdlib/source/library/lux/tool/compiler/default/platform.lux
@@ -5,68 +5,68 @@
    ["[0]" debug]
    ["[0]" static]
    [abstract
-    ["[0]" monad {"+" Monad do}]]
+    ["[0]" monad (.only Monad do)]]
    [control
     ["[0]" function]
     ["[0]" maybe]
-    ["[0]" try {"+" Try} ("[1]#[0]" monad)]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" try (.only Try) ("[1]#[0]" monad)]
+    ["[0]" exception (.only exception:)]
     [concurrency
-     ["[0]" async {"+" Async Resolver} ("[1]#[0]" monad)]
-     ["[0]" stm {"+" Var STM}]]]
+     ["[0]" async (.only Async Resolver) ("[1]#[0]" monad)]
+     ["[0]" stm (.only Var STM)]]]
    [data
-    ["[0]" binary {"+" Binary}]
+    ["[0]" binary (.only Binary)]
     ["[0]" bit]
     ["[0]" product]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
-     ["[0]" dictionary {"+" Dictionary}]
-     ["[0]" sequence {"+" Sequence} ("[1]#[0]" mix)]
-     ["[0]" set {"+" Set}]
+     ["[0]" dictionary (.only Dictionary)]
+     ["[0]" sequence (.only Sequence) ("[1]#[0]" mix)]
+     ["[0]" set (.only Set)]
      ["[0]" list ("[1]#[0]" monoid functor mix)]]
     [format
-     ["_" binary {"+" Writer}]]]
+     ["_" binary (.only Writer)]]]
    ["[0]" meta
-    ["[0]" configuration {"+" Configuration}]]
-   [type {"+" sharing}
+    ["[0]" configuration (.only Configuration)]]
+   [type (.only sharing)
     ["[0]" check]]
    [world
-    ["[0]" file {"+" Path}]
+    ["[0]" file (.only Path)]
     ["[0]" console]]]]
  ["[0]" // "_"
   ["[1][0]" init]
   ["/[1]" //
-   ["[1][0]" phase {"+" Phase}]
+   ["[1][0]" phase (.only Phase)]
    [language
     [lux
-     [program {"+" Program}]
+     [program (.only Program)]
      ["$" /]
      ["[0]" syntax]
      ["[1][0]" synthesis]
-     ["[1][0]" generation {"+" Buffer}]
+     ["[1][0]" generation (.only Buffer)]
      ["[1][0]" directive]
      ["[1][0]" analysis
-      [macro {"+" Expander}]
+      [macro (.only Expander)]
       ["[0]A" module]]
      [phase
-      ["[0]" extension {"+" Extender}]]]]
+      ["[0]" extension (.only Extender)]]]]
    [meta
-    [import {"+" Import}]
+    [import (.only Import)]
     ["[0]" context]
     ["[0]" cache
      ["[1]/[0]" archive]
      ["[1]/[0]" module]
      ["[1]/[0]" artifact]]
-    [cli {"+" Compilation Library}
+    [cli (.only Compilation Library)
      ["[0]" compiler]]
-    ["[0]" archive {"+" Output Archive}
-     [key {"+" Key}]
-     ["[0]" registry {"+" Registry}]
+    ["[0]" archive (.only Output Archive)
+     [key (.only Key)]
+     ["[0]" registry (.only Registry)]
      ["[0]" artifact]
      ["[0]" module
-      ["[0]" descriptor {"+" Descriptor}]
-      ["[0]" document {"+" Document}]]]
+      ["[0]" descriptor (.only Descriptor)]
+      ["[0]" document (.only Document)]]]
     ["[0]" io "_"
      ["_[1]" /]
      ["[1]" context]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux.lux b/stdlib/source/library/lux/tool/compiler/language/lux.lux
index eb6cd78d7..a6737842a 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux.lux
@@ -3,10 +3,10 @@
   [lux "*"
    [control
     ["<>" parser
-     ["<[0]>" binary {"+" Parser}]]]
+     ["<[0]>" binary (.only Parser)]]]
    [data
     [format
-     ["_" binary {"+" Writer}]]]
+     ["_" binary (.only Writer)]]]
    [meta
     ["[0]" version]]]]
  ["[0]" / "_"
@@ -16,7 +16,7 @@
    [meta
     [archive
      ["[0]" signature]
-     ["[0]" key {"+" Key}]]]]])
+     ["[0]" key (.only Key)]]]]])
 
 ... TODO: Remove #module_hash, #imports & #module_state ASAP.
 ... TODO: Not just from this parser, but from the lux.Module type.
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis.lux
index da220b18f..65855dc71 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis.lux
@@ -2,25 +2,25 @@
  [library
   [lux {"-" Tuple Variant nat int rev case local}
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]
-    [monad {"+" do}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]
+    [monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" maybe]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" Exception}]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only Exception)]
     [parser
      ["<[0]>" code]]]
    [data
     ["[0]" product]
     ["[0]" bit ("[1]#[0]" equivalence)]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" Format}]]
+     ["%" format (.only Format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]]]
    [macro
-    [syntax {"+" syntax:}]]
+    [syntax (.only syntax:)]]
    [math
     [number
      ["n" nat]
@@ -29,20 +29,20 @@
      ["f" frac]]]
    [meta
     ["[0]" location]
-    ["[0]" configuration {"+" Configuration}]]]]
+    ["[0]" configuration (.only Configuration)]]]]
  ["[0]" / "_"
-  ["[1][0]" simple {"+" Simple}]
-  ["[1][0]" complex {"+" Tuple Variant Complex}]
-  ["[1][0]" pattern {"+" Pattern}]
+  ["[1][0]" simple (.only Simple)]
+  ["[1][0]" complex (.only Tuple Variant Complex)]
+  ["[1][0]" pattern (.only Pattern)]
   [//
    [phase
-    ["[0]" extension {"+" Extension}]]
+    ["[0]" extension (.only Extension)]]
    [///
-    [arity {"+" Arity}]
-    ["[0]" version {"+" Version}]
+    [arity (.only Arity)]
+    ["[0]" version (.only Version)]
     ["[0]" phase]
-    ["[0]" reference {"+" Reference}
-     ["[0]" variable {"+" Register Variable}]]]]])
+    ["[0]" reference (.only Reference)
+     ["[0]" variable (.only Register Variable)]]]]])
 
 (type: .public (Branch' e)
   (Record
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/complex.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/complex.lux
index f4cf115d5..a45224900 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/complex.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/complex.lux
@@ -2,12 +2,12 @@
  [library
   [lux {"-" Tuple Variant}
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [data
     ["[0]" bit ("[1]#[0]" equivalence)]
     ["[0]" text
-     ["%" format {"+" Format}]]
+     ["%" format (.only Format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]]]
    [math
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/coverage.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/coverage.lux
index 0e100dad2..d3f3ee556 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/coverage.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/coverage.lux
@@ -3,19 +3,19 @@
   [lux {"-" Variant}
    [abstract
     equivalence
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe ("[1]#[0]" monoid monad)]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" bit ("[1]#[0]" equivalence)]
     ["[0]" text
      ["%" format]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
-     ["[0]" dictionary {"+" Dictionary}]
-     ["[0]" set {"+" Set} ("[1]#[0]" equivalence)]]]
+     ["[0]" dictionary (.only Dictionary)]
+     ["[0]" set (.only Set) ("[1]#[0]" equivalence)]]]
    [macro
     ["^" pattern]
     ["[0]" template]]
@@ -28,7 +28,7 @@
  ["[0]" // "_"
   ["[1][0]" simple]
   ["[1][0]" complex]
-  ["[1][0]" pattern {"+" Pattern}]])
+  ["[1][0]" pattern (.only Pattern)]])
 
 ... The coverage of a pattern-matching expression summarizes how well
 ... all the possible values of an input are being covered by the
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/evaluation.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/evaluation.lux
index de22db2db..44349d713 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/evaluation.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/evaluation.lux
@@ -1,24 +1,24 @@
 (.using
  [library
   [lux "*"
-   [type {"+" sharing}]
+   [type (.only sharing)]
    ["[0]" meta]
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" maybe]
     ["[0]" try]
     ["[0]" io]
     [concurrency
-     ["[0]" atom {"+" Atom}]]]
+     ["[0]" atom (.only Atom)]]]
    [data
     [collection
-     ["[0]" dictionary {"+" Dictionary}]]]
+     ["[0]" dictionary (.only Dictionary)]]]
    [math
     [number
      ["n" nat]]]]]
- ["[0]" // {"+" Operation}
-  [macro {"+" Expander}]
+ ["[0]" // (.only Operation)
+  [macro (.only Expander)]
   ["[1][0]" type]
   ["[1][0]" scope]
   [//
@@ -32,7 +32,7 @@
      [///
       ["[0]" phase]
       [meta
-       ["[0]" archive {"+" Archive}
+       ["[0]" archive (.only Archive)
         ["[0]" module]]]]]]]])
 
 (type: .public Eval
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/inference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/inference.lux
index 88f4c7069..2d56c6baf 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/inference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/inference.lux
@@ -3,15 +3,15 @@
   [lux "*"
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" pipe]
     ["[0]" maybe]
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor monoid)]]]
    [macro
@@ -22,7 +22,7 @@
      ["n" nat]]]
    ["[0]" type
     ["[0]" check]]]]
- ["/" // {"+" Analysis Operation Phase}
+ ["/" // (.only Analysis Operation Phase)
   ["[1][0]" type]
   [//
    [phase
@@ -30,7 +30,7 @@
    [///
     ["[0]" phase ("[1]#[0]" monad)]
     [meta
-     [archive {"+" Archive}]]]]])
+     [archive (.only Archive)]]]]])
 
 (exception: .public (cannot_infer [type Type
                                    arguments (List Code)])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/macro.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/macro.lux
index b1cf6d24a..55cec2b7c 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/macro.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/macro.lux
@@ -2,13 +2,13 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    ["[0]" meta]]]
  [/////
   ["[0]" phase]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/module.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/module.lux
index 1a95a5a2c..accb1b6c2 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/module.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/module.lux
@@ -2,20 +2,20 @@
  [library
   [lux {"-" Label}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" pipe]
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" mix functor)]
      [dictionary
       ["[0]" plist]]]]
    ["[0]" meta]]]
- ["/" // {"+" Operation}
+ ["/" // (.only Operation)
   ["//[1]" // "_"
    [phase
     ["[1][0]" extension]]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/pattern.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/pattern.lux
index cfce834d0..fb7d38b19 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/pattern.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/pattern.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" nat int rev}
    [abstract
-    [equivalence {"+" Equivalence}]]
+    [equivalence (.only Equivalence)]]
    [data
     [text
      ["%" format]]]
@@ -10,11 +10,11 @@
     [number
      ["n" nat]]]]]
  ["[0]" // "_"
-  ["[1][0]" simple {"+" Simple}]
-  ["[1][0]" complex {"+" Complex}]
+  ["[1][0]" simple (.only Simple)]
+  ["[1][0]" complex (.only Complex)]
   [////
    [reference
-    ["[1][0]" variable {"+" Register}]]]])
+    ["[1][0]" variable (.only Register)]]]])
 
 (type: .public Pattern
   (Rec Pattern
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/scope.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/scope.lux
index 040298209..8b9f33470 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/scope.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/scope.lux
@@ -2,11 +2,11 @@
  [library
   [lux {"-" local}
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" maybe ("[1]#[0]" monad)]
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" text ("[1]#[0]" equivalence)]
     ["[0]" product]
@@ -14,14 +14,14 @@
      ["[0]" list ("[1]#[0]" functor mix monoid)]
      [dictionary
       ["[0]" plist]]]]]]
- ["/" // {"+" Environment Operation Phase}
+ ["/" // (.only Environment Operation Phase)
   [//
    [phase
     ["[0]" extension]]
    [///
     ["[0]" phase]
     [reference
-     ["[0]" variable {"+" Register Variable}]]]]])
+     ["[0]" variable (.only Register Variable)]]]]])
 
 (type: Local
   (Bindings Text [Type Register]))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/simple.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/simple.lux
index b7518ded0..129d50c89 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/simple.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/simple.lux
@@ -2,11 +2,11 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]]
+    [equivalence (.only Equivalence)]]
    [data
     ["[0]" bit ("[1]#[0]" equivalence)]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" Format}]]]
+     ["%" format (.only Format)]]]
    [macro
     ["^" pattern]]
    [math
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/type.lux b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/type.lux
index b215fa8b0..39b1715f9 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/analysis/type.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/analysis/type.lux
@@ -3,13 +3,13 @@
   [lux "*"
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" try]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list]]]
    [macro
@@ -18,8 +18,8 @@
     [number
      ["n" nat]]]
    [type
-    ["[0]" check {"+" Check}]]]]
- ["/" // {"+" Operation}
+    ["[0]" check (.only Check)]]]]
+ ["/" // (.only Operation)
   [//
    [phase
     ["[0]" extension]]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/directive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/directive.lux
index d9bf832a3..7d8165ccd 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/directive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/directive.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" Module}
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" try]]
    [data
@@ -19,7 +19,7 @@
    [meta
     [archive
      [module
-      [descriptor {"+" Module}]]]]]])
+      [descriptor (.only Module)]]]]]])
 
 (type: .public (Component state phase)
   (Record
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/generation.lux b/stdlib/source/library/lux/tool/compiler/language/lux/generation.lux
index 2b9f8b598..9e3b03940 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/generation.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/generation.lux
@@ -2,20 +2,20 @@
  [library
   [lux {"-" symbol}
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]
     ["[0]" function]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
-     ["[0]" sequence {"+" Sequence}]
+     ["[0]" sequence (.only Sequence)]
      ["[0]" list ("[1]#[0]" functor mix)]
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [macro
     ["^" pattern]
     ["[0]" template]]
@@ -25,14 +25,14 @@
    [meta
     ["[0]" symbol]]]]
  [//
-  [synthesis {"+" Synthesis}]
+  [synthesis (.only Synthesis)]
   [phase
    ["[0]" extension]]
   [///
    ["[0]" phase]
    [meta
-    ["[0]" archive {"+" Archive}
-     ["[0]" registry {"+" Registry}]
+    ["[0]" archive (.only Archive)
+     ["[0]" registry (.only Registry)]
      ["[0]" unit]
      ["[0]" artifact
       ["[0]" category]]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis.lux
index 32e4ed22e..48c27ed4d 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis.lux
@@ -2,12 +2,12 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list]]]
    [macro
@@ -27,14 +27,14 @@
   ["/[1]" // "_"
    ["[1][0]" extension]
    ["/[1]" // "_"
-    ["/" analysis {"+" Analysis Operation Phase}
-     ["[1][0]" macro {"+" Expander}]
+    ["/" analysis (.only Analysis Operation Phase)
+     ["[1][0]" macro (.only Expander)]
      ["[1][0]" type]]
     [///
      ["//" phase]
      ["[0]" reference]
      [meta
-      [archive {"+" Archive}]]]]]])
+      [archive (.only Archive)]]]]]])
 
 (exception: .public (invalid [syntax Code])
   (exception.report
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/case.lux
index 394d54163..c811a2319 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/case.lux
@@ -3,15 +3,15 @@
   [lux {"-" case}
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe]
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" mix monoid monad)]]]
    [math
@@ -21,20 +21,20 @@
     ["^" pattern]
     ["[0]" code]]
    ["[0]" type
-    ["[0]" check {"+" Check}]]]]
+    ["[0]" check (.only Check)]]]]
  ["[0]" / "_"
   ["/[1]" // "_"
    ["[1][0]" complex]
    ["/[1]" // "_"
     ["[1][0]" extension]
     [//
-     ["/" analysis {"+" Analysis Operation Phase}
+     ["/" analysis (.only Analysis Operation Phase)
       ["[1][0]" simple]
       ["[1][0]" complex]
-      ["[1][0]" pattern {"+" Pattern}]
+      ["[1][0]" pattern (.only Pattern)]
       ["[1][0]" type]
       ["[1][0]" scope]
-      ["[1][0]" coverage {"+" Coverage}]]
+      ["[1][0]" coverage (.only Coverage)]]
      [///
       ["[1]" phase]]]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/complex.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/complex.lux
index b1d7398e6..770cf6262 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/complex.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/complex.lux
@@ -3,19 +3,19 @@
   [lux "*"
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe]
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" exception (.only exception:)]
     ["[0]" state]]
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" monad)]
-     ["[0]" dictionary {"+" Dictionary}]]]
+     ["[0]" dictionary (.only Dictionary)]]]
    [macro
     ["[0]" code]]
    [math
@@ -30,14 +30,14 @@
   ["/[1]" // "_"
    ["[1][0]" extension]
    [//
-    ["/" analysis {"+" Analysis Operation Phase}
-     ["[1][0]" complex {"+" Tag}]
+    ["/" analysis (.only Analysis Operation Phase)
+     ["[1][0]" complex (.only Tag)]
      ["[1][0]" type]
      ["[1][0]" inference]]
     [///
      ["[1]" phase ("[1]#[0]" monad)]
      [meta
-      [archive {"+" Archive}]]]]]])
+      [archive (.only Archive)]]]]]])
 
 (exception: .public (not_a_quantified_type [type Type])
   (exception.report
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/function.lux
index 6416fbe77..d97680bd0 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/function.lux
@@ -3,15 +3,15 @@
   [lux {"-" function}
    ["[0]" meta]
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" maybe]
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" monoid monad)]]]
    [math
@@ -22,14 +22,14 @@
  ["[0]" /// "_"
   ["[1][0]" extension]
   [//
-   ["/" analysis {"+" Analysis Operation Phase}
+   ["/" analysis (.only Analysis Operation Phase)
     ["[1][0]" type]
     ["[1][0]" inference]
     ["[1][0]" scope]]
    [///
     ["[1]" phase ("[1]#[0]" functor)]
-    [reference {"+"}
-     [variable {"+"}]]]]])
+    [reference (.only)
+     [variable (.only)]]]]])
 
 (exception: .public (cannot_analyse [expected Type
                                      function Text
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/reference.lux
index e5f1914ab..66ef31041 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/reference.lux
@@ -3,19 +3,19 @@
   [lux "*"
    ["[0]" meta]
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [macro
     ["^" pattern]]]]
  ["[0]" // "_"
   ["/[1]" // "_"
    ["[1][0]" extension]
    [//
-    ["/" analysis {"+" Analysis Operation}
+    ["/" analysis (.only Analysis Operation)
      ["[1][0]" type]
      ["[1][0]" scope]]
     [///
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/simple.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/simple.lux
index 54b9b7a36..fdfe2e431 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/simple.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/analysis/simple.lux
@@ -2,10 +2,10 @@
  [library
   [lux {"-" nat int rev}
    [abstract
-    [monad {"+" do}]]]]
+    [monad (.only do)]]]]
  ["[0]" /// "_"
   [//
-   ["/" analysis {"+" Analysis Operation}
+   ["/" analysis (.only Analysis Operation)
     ["[1][0]" simple]
     ["[1][0]" type]]
    [///
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/directive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/directive.lux
index df695d244..a745da868 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/directive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/directive.lux
@@ -3,30 +3,30 @@
   [lux "*"
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" mix monoid)]]]]]
  ["[0]" // "_"
   ["[1][0]" extension]
   ["[1][0]" analysis]
   ["/[1]" // "_"
-   ["/" directive {"+" Operation Phase}]
+   ["/" directive (.only Operation Phase)]
    ["[1][0]" analysis
     ["[0]" evaluation]
-    ["[1]/[0]" macro {"+" Expander}]
+    ["[1]/[0]" macro (.only Expander)]
     ["[1]/[0]" type]]
    [///
     ["//" phase]
-    [reference {"+" }
-     [variable {"+" }]]
+    [reference (.only)
+     [variable (.only)]]
     [meta
-     [archive {"+" Archive}]]]]])
+     [archive (.only Archive)]]]]])
 
 (exception: .public (not_a_directive [code Code])
   (exception.report
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension.lux
index 42528ba33..bb5535fa5 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension.lux
@@ -2,26 +2,26 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]
-    ["[0]" monad {"+" do}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" order)
-     ["%" format {"+" Format format}]]
+     ["%" format (.only Format format)]]
     [collection
      ["[0]" list]
-     ["[0]" dictionary {"+" Dictionary}]]]
+     ["[0]" dictionary (.only Dictionary)]]]
    [macro
     ["^" pattern]]]]
  [/////
   ["//" phase]
   [meta
-   [archive {"+" Archive}]]])
+   [archive (.only Archive)]]])
 
 (type: .public Name
   Text)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis.lux
index 3529ba762..cec02696e 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis.lux
@@ -5,8 +5,8 @@
     [collection
      ["[0]" dictionary]]]]]
  [////
-  [analysis {"+" Bundle}
-   [evaluation {"+" Eval}]]]
+  [analysis (.only Bundle)
+   [evaluation (.only Eval)]]]
  ["[0]" / "_"
   ["[1][0]" lux]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/common_lisp.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/common_lisp.lux
index 031f4d779..bdf1723f4 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/common_lisp.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/common_lisp.lux
@@ -1,32 +1,32 @@
 (.using
-  [library
-   [lux "*"
-    ["[0]" ffi]
-    [abstract
-     ["[0]" monad {"+" do}]]
-    [control
-     ["<>" parser
-      ["<c>" code {"+" Parser}]]]
-    [data
-     [collection
-      ["[0]" array {"+" Array}]
-      ["[0]" dictionary]
-      ["[0]" list]]]
-    ["[0]" type
-     ["[0]" check]]
-    ["@" target
-     ["_" common_lisp]]]]
+ [library
+  [lux "*"
+   ["[0]" ffi]
+   [abstract
+    ["[0]" monad (.only do)]]
+   [control
+    ["<>" parser
+     ["<c>" code (.only Parser)]]]
+   [data
+    [collection
+     ["[0]" array (.only Array)]
+     ["[0]" dictionary]
+     ["[0]" list]]]
+   ["[0]" type
+    ["[0]" check]]
+   ["@" target
+    ["_" common_lisp]]]]
+ [//
+  ["/" lux (.only custom)]
   [//
-   ["/" lux {"+" custom}]
+   ["[0]" bundle]
    [//
-    ["[0]" bundle]
+    ["[0]" analysis "_"
+     ["[1]/[0]" type]]
     [//
-     ["[0]" analysis "_"
-      ["[1]/[0]" type]]
-     [//
-      ["[0]" analysis {"+" Analysis Operation Phase Handler Bundle}]
-      [///
-       ["[0]" phase]]]]]])
+     ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)]
+     [///
+      ["[0]" phase]]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/js.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/js.lux
index 39a8ef632..440a0d9b1 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/js.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/js.lux
@@ -3,10 +3,10 @@
   [lux "*"
    ["[0]" ffi]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["<>" parser
-     ["<[0]>" code {"+" Parser}]]]
+     ["<[0]>" code (.only Parser)]]]
    [data
     [collection
      ["[0]" array]
@@ -17,11 +17,11 @@
    ["@" target
     ["_" js]]]]
  [//
-  ["/" lux {"+" custom}]
+  ["/" lux (.only custom)]
   [//
    ["[0]" bundle]
    [///
-    ["[0]" analysis {"+" Analysis Operation Phase Handler Bundle}
+    ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)
      ["[1]/[0]" type]]
     [///
      ["[0]" phase]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/jvm.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/jvm.lux
index 6a54bf8e5..572ecb60a 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/jvm.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/jvm.lux
@@ -1,28 +1,28 @@
 (.using
  [library
   [lux {"-" Type Module Primitive type char int}
-   ["[0]" ffi {"+" import:}]
+   ["[0]" ffi (.only import:)]
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]
+    ["[0]" monad (.only do)]
     ["[0]" predicate]]
    [control
     ["[0]" pipe]
     ["[0]" maybe ("[1]#[0]" functor)]
-    ["[0]" try {"+" Try} ("[1]#[0]" monad)]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" try (.only Try) ("[1]#[0]" monad)]
+    ["[0]" exception (.only exception:)]
     ["<>" parser
-     ["<[0]>" code {"+" Parser}]
+     ["<[0]>" code (.only Parser)]
      ["<[0]>" text]]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" mix monad monoid)]
      ["[0]" array]
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" sequence]]
     ["[0]" format "_"
      ["[1]" binary]]]
@@ -36,30 +36,30 @@
    [target
     ["[0]" jvm "_"
      ["[0]!" reflection]
-     ["_" bytecode {"+" Bytecode} ("[1]#[0]" monad)]
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
+     ["_" bytecode (.only Bytecode) ("[1]#[0]" monad)]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
      ["[0]" attribute]
      ["[0]" field]
      ["[0]" version]
      ["[0]" method]
      ["[0]" class]
      ["[0]" constant
-      ["[0]" pool {"+" Resource}]]
+      ["[0]" pool (.only Resource)]]
      [encoding
-      ["[0]" name {"+" External}]]
-     ["[1]" type {"+" Type Argument Typed} ("[1]#[0]" equivalence)
-      ["[0]" category {"+" Void Value' Value Return' Return Primitive Object Class Array Var Parameter Method}]
+      ["[0]" name (.only External)]]
+     ["[1]" type (.only Type Argument Typed) ("[1]#[0]" equivalence)
+      ["[0]" category (.only Void Value' Value Return' Return Primitive Object Class Array Var Parameter Method)]
       ["[0]" box]
       ["[0]" reflection]
       ["[0]" descriptor]
       ["[0]" signature]
       ["[0]" parser]
-      ["[0]" alias {"+" Aliasing}]
-      ["[0]T" lux {"+" Mapping}]]]]
+      ["[0]" alias (.only Aliasing)]
+      ["[0]T" lux (.only Mapping)]]]]
    ["[0]" type
-    ["[0]" check {"+" Check} ("[1]#[0]" monad)]]]]
+    ["[0]" check (.only Check) ("[1]#[0]" monad)]]]]
  ["[0]" // "_"
-  ["[1][0]" lux {"+" custom}]
+  ["[1][0]" lux (.only custom)]
   ["/[1]" //
    ["[1][0]" bundle]
    ["/[1]" // "_"
@@ -71,7 +71,7 @@
     ["/[1]" // "_"
      ["[0]" generation]
      ["[0]" directive]
-     ["[1][0]" analysis {"+" Analysis Operation Phase Handler Bundle}
+     ["[1][0]" analysis (.only Analysis Operation Phase Handler Bundle)
       ["[0]" complex]
       ["[0]" pattern]
       ["[0]" inference]
@@ -80,9 +80,9 @@
      [///
       ["[0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}
+       [archive (.only Archive)
         [module
-         [descriptor {"+" Module}]]]]]]]]])
+         [descriptor (.only Module)]]]]]]]]])
 
 (import: java/lang/ClassLoader
   "[1]::[0]")
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/lua.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/lua.lux
index 6f5b62016..1f5c91fe7 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/lua.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/lua.lux
@@ -3,10 +3,10 @@
   [lux "*"
    ["[0]" ffi]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["<>" parser
-     ["<[0]>" code {"+" Parser}]]]
+     ["<[0]>" code (.only Parser)]]]
    [data
     [collection
      ["[0]" array]
@@ -17,11 +17,11 @@
    ["@" target
     ["_" lua]]]]
  [//
-  ["/" lux {"+" custom}]
+  ["/" lux (.only custom)]
   [//
    ["[0]" bundle]
    [///
-    ["[0]" analysis {"+" Analysis Operation Phase Handler Bundle}
+    ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)
      ["[1]/[0]" type]]
     [///
      ["[0]" phase]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/lux.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/lux.lux
index 6ff97bb35..8b870557d 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/lux.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/lux.lux
@@ -2,19 +2,19 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe]
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" exception (.only exception:)]
     ["<>" parser
-     ["<[0]>" code {"+" Parser}]]]
+     ["<[0]>" code (.only Parser)]]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
-     ["[0]" dictionary {"+" Dictionary}]]]
+     ["[0]" dictionary (.only Dictionary)]]]
    [macro
     ["^" pattern]]
    [math
@@ -27,13 +27,13 @@
   ["[1][0]" bundle]
   ["/[1]" // "_"
    [//
-    ["[1][0]" analysis {"+" Analysis Operation Phase Handler Bundle}
-     [evaluation {"+" Eval}]
+    ["[1][0]" analysis (.only Analysis Operation Phase Handler Bundle)
+     [evaluation (.only Eval)]
      ["[0]A" type]]
     [///
      ["[1]" phase]
      [meta
-      [archive {"+" Archive}]]]]]])
+      [archive (.only Archive)]]]]]])
 
 (def: .public (custom [syntax handler])
   (All (_ s)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/php.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/php.lux
index 6d7b0d128..5befafa46 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/php.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/php.lux
@@ -3,13 +3,13 @@
   [lux "*"
    ["[0]" ffi]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["<>" parser
-     ["<c>" code {"+" Parser}]]]
+     ["<c>" code (.only Parser)]]]
    [data
     [collection
-     ["[0]" array {"+" Array}]
+     ["[0]" array (.only Array)]
      ["[0]" dictionary]
      ["[0]" list]]]
    ["[0]" type
@@ -17,14 +17,14 @@
    ["@" target
     ["_" php]]]]
  [//
-  ["/" lux {"+" custom}]
+  ["/" lux (.only custom)]
   [//
    ["[0]" bundle]
    [//
     ["[0]" analysis "_"
      ["[1]/[0]" type]]
     [//
-     ["[0]" analysis {"+" Analysis Operation Phase Handler Bundle}]
+     ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)]
      [///
       ["[0]" phase]]]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/python.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/python.lux
index 9156e497b..4a194a6db 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/python.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/python.lux
@@ -3,10 +3,10 @@
   [lux "*"
    ["[0]" ffi]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["<>" parser
-     ["<[0]>" code {"+" Parser}]]]
+     ["<[0]>" code (.only Parser)]]]
    [data
     [collection
      ["[0]" array]
@@ -17,11 +17,11 @@
    ["@" target
     ["_" python]]]]
  [//
-  ["/" lux {"+" custom}]
+  ["/" lux (.only custom)]
   [//
    ["[0]" bundle]
    [///
-    ["[0]" analysis {"+" Analysis Operation Phase Handler Bundle}
+    ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)
      ["[1]/[0]" type]]
     [///
      ["[0]" phase]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/r.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/r.lux
index d842741db..871fa9054 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/r.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/r.lux
@@ -1,32 +1,32 @@
 (.using
-  [library
-   [lux "*"
-    ["[0]" ffi]
-    [abstract
-     ["[0]" monad {"+" do}]]
-    [control
-     ["<>" parser
-      ["<c>" code {"+" Parser}]]]
-    [data
-     [collection
-      ["[0]" array {"+" Array}]
-      ["[0]" dictionary]
-      ["[0]" list]]]
-    ["[0]" type
-     ["[0]" check]]
-    ["@" target
-     ["_" r]]]]
+ [library
+  [lux "*"
+   ["[0]" ffi]
+   [abstract
+    ["[0]" monad (.only do)]]
+   [control
+    ["<>" parser
+     ["<c>" code (.only Parser)]]]
+   [data
+    [collection
+     ["[0]" array (.only Array)]
+     ["[0]" dictionary]
+     ["[0]" list]]]
+   ["[0]" type
+    ["[0]" check]]
+   ["@" target
+    ["_" r]]]]
+ [//
+  ["/" lux (.only custom)]
   [//
-   ["/" lux {"+" custom}]
+   ["[0]" bundle]
    [//
-    ["[0]" bundle]
+    ["[0]" analysis "_"
+     ["[1]/[0]" type]]
     [//
-     ["[0]" analysis "_"
-      ["[1]/[0]" type]]
-     [//
-      ["[0]" analysis {"+" Analysis Operation Phase Handler Bundle}]
-      [///
-       ["[0]" phase]]]]]])
+     ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)]
+     [///
+      ["[0]" phase]]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/ruby.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/ruby.lux
index 9ab5d8351..d7c2eba78 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/ruby.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/ruby.lux
@@ -3,10 +3,10 @@
   [lux "*"
    ["[0]" ffi]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["<>" parser
-     ["<[0]>" code {"+" Parser}]]]
+     ["<[0]>" code (.only Parser)]]]
    [data
     [collection
      ["[0]" array]
@@ -17,11 +17,11 @@
    ["@" target
     ["_" ruby]]]]
  [//
-  ["/" lux {"+" custom}]
+  ["/" lux (.only custom)]
   [//
    ["[0]" bundle]
    [///
-    ["[0]" analysis {"+" Analysis Operation Phase Handler Bundle}
+    ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)
      ["[1]/[0]" type]]
     [///
      ["[0]" phase]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/scheme.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/scheme.lux
index fb119ae7e..6901b48dc 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/scheme.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/analysis/scheme.lux
@@ -3,13 +3,13 @@
   [lux "*"
    ["[0]" ffi]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["<>" parser
-     ["<c>" code {"+" Parser}]]]
+     ["<c>" code (.only Parser)]]]
    [data
     [collection
-     ["[0]" array {"+" Array}]
+     ["[0]" array (.only Array)]
      ["[0]" dictionary]
      ["[0]" list]]]
    ["[0]" type
@@ -17,14 +17,14 @@
    ["@" target
     ["_" scheme]]]]
  [//
-  ["/" lux {"+" custom}]
+  ["/" lux (.only custom)]
   [//
    ["[0]" bundle]
    [//
     ["[0]" analysis "_"
      ["[1]/[0]" type]]
     [//
-     ["[0]" analysis {"+" Analysis Operation Phase Handler Bundle}]
+     ["[0]" analysis (.only Analysis Operation Phase Handler Bundle)]
      [///
       ["[0]" phase]]]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/bundle.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/bundle.lux
index a13e79398..cf4ab6a6f 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/bundle.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/bundle.lux
@@ -1,15 +1,15 @@
 (.using
-  [library
-   [lux "*"
-    [abstract
-     [monad {"+" do}]]
-    [data
-     ["[0]" text
-      ["%" format {"+" format}]]
-     [collection
-      ["[0]" list ("[1]#[0]" functor)]
-      ["[0]" dictionary {"+" Dictionary}]]]]]
-  [// {"+" Handler Bundle}])
+ [library
+  [lux "*"
+   [abstract
+    [monad (.only do)]]
+   [data
+    ["[0]" text
+     ["%" format (.only format)]]
+    [collection
+     ["[0]" list ("[1]#[0]" functor)]
+     ["[0]" dictionary (.only Dictionary)]]]]]
+ [// (.only Handler Bundle)])
 
 (def: .public empty
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/directive/jvm.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/directive/jvm.lux
index 1a30f6bc6..28f555dce 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/directive/jvm.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/directive/jvm.lux
@@ -1,27 +1,27 @@
 (.using
  [library
   [lux {"-" Type Definition Primitive}
-   ["[0]" ffi {"+" import:}]
+   ["[0]" ffi (.only import:)]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" pipe]
-    ["[0]" try {"+" Try} ("[1]#[0]" functor)]
+    ["[0]" try (.only Try) ("[1]#[0]" functor)]
     ["[0]" exception]
     ["<>" parser ("[1]#[0]" monad)
-     ["<[0]>" code {"+" Parser}]
+     ["<[0]>" code (.only Parser)]
      ["<[0]>" text]
      ["<[0]>" synthesis]]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" dictionary]
      ["[0]" sequence]
-     ["[0]" set {"+" Set}]]
+     ["[0]" set (.only Set)]]
     ["[0]" format "_"
      ["[1]" binary]]]
    [macro
@@ -33,31 +33,31 @@
      ["[0]" i32]]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode} ("[1]#[0]" monad)]
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
+     ["_" bytecode (.only Bytecode) ("[1]#[0]" monad)]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
      ["[0]" attribute]
      ["[0]" field]
      ["[0]" version]
-     ["[0]" method {"+" Method}]
+     ["[0]" method (.only Method)]
      ["[0]" class]
      ["[0]" constant
-      ["[0]" pool {"+" Resource}]]
+      ["[0]" pool (.only Resource)]]
      [encoding
-      ["[0]" name {"+" External}]]
-     ["[0]" type {"+" Type Constraint Argument Typed}
-      [category {"+" Void Value Return Primitive Object Class Array Var Parameter}]
-      ["[0]T" lux {"+" Mapping}]
+      ["[0]" name (.only External)]]
+     ["[0]" type (.only Type Constraint Argument Typed)
+      [category (.only Void Value Return Primitive Object Class Array Var Parameter)]
+      ["[0]T" lux (.only Mapping)]
       ["[0]" signature]
       ["[0]" reflection]
-      ["[0]" descriptor {"+" Descriptor}]
+      ["[0]" descriptor (.only Descriptor)]
       ["[0]" parser]]]]
    [tool
     [compiler
      ["[0]" phase]
      [reference
-      [variable {"+" Register}]]
+      [variable (.only Register)]]
      [meta
-      [archive {"+" Archive}
+      [archive (.only Archive)
        ["[0]" artifact]
        ["[0]" unit]]
       ["[0]" cache "_"
@@ -65,16 +65,16 @@
         ["[1]" artifact]]]]
      [language
       [lux
-       ["[0]" synthesis {"+" Synthesis}]
+       ["[0]" synthesis (.only Synthesis)]
        ["[0]" generation]
-       ["[0]" directive {"+" Handler Bundle}]
-       ["[0]" analysis {"+" Analysis}
+       ["[0]" directive (.only Handler Bundle)]
+       ["[0]" analysis (.only Analysis)
         ["[0]A" type]
         ["[0]A" scope]]
        [phase
         [generation
          [jvm
-          ["[0]" runtime {"+" Anchor Definition Extender}]
+          ["[0]" runtime (.only Anchor Definition Extender)]
           ["[0]" value]]]
         ["[0]" extension
          ["[0]" bundle]
@@ -86,7 +86,7 @@
          [directive
           ["/" lux]]]]]]]]
    [type
-    ["[0]" check {"+" Check}]]]])
+    ["[0]" check (.only Check)]]]])
 
 (type: Operation
   (directive.Operation Anchor (Bytecode Any) Definition))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/directive/lux.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/directive/lux.lux
index 2d07295c0..b7da13039 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/directive/lux.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/directive/lux.lux
@@ -4,51 +4,51 @@
    ["@" target]
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
-    [io {"+" IO}]
+    [io (.only IO)]
     ["[0]" maybe ("[1]#[0]" functor)]
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" exception (.only exception:)]
     ["<>" parser
-     ["<[0]>" code {"+" Parser}]]]
+     ["<[0]>" code (.only Parser)]]]
    [data
     ["[0]" binary]
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" array]
      ["[0]" list ("[1]#[0]" functor mix)]
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [macro
     ["^" pattern]
     ["[0]" code]]
    [math
     [number
      ["n" nat]]]
-   ["[0]" type {"+" sharing} ("[1]#[0]" equivalence)
+   ["[0]" type (.only sharing) ("[1]#[0]" equivalence)
     ["[0]" check]]]]
- ["[0]" /// {"+" Extender}
+ ["[0]" /// (.only Extender)
   ["[1][0]" bundle]
   ["[1][0]" analysis]
   ["/[1]" // "_"
    ["/[1]" // "_"
     ["[1][0]" analysis
-     [macro {"+" Expander}]
+     [macro (.only Expander)]
      ["[1]/[0]" evaluation]
      ["[0]A" type]
      ["[0]A" module]
      ["[0]" scope]]
-    ["[1][0]" synthesis {"+" Synthesis}]
+    ["[1][0]" synthesis (.only Synthesis)]
     ["[1][0]" generation]
-    ["[1][0]" directive {"+" Import Requirements Phase Operation Handler Bundle}]
-    ["[1][0]" program {"+" Program}]
+    ["[1][0]" directive (.only Import Requirements Phase Operation Handler Bundle)]
+    ["[1][0]" program (.only Program)]
     [///
      ["[0]" phase]
      [meta
-      ["[0]" archive {"+" Archive}
+      ["[0]" archive (.only Archive)
        ["[0]" artifact]
        ["[0]" module]
        ["[0]" unit]]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp.lux
index bb22d2126..15f572207 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [common_lisp
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp/common.lux
index 0a4a86df5..861fb2de5 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp/common.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" try]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" set]
@@ -20,20 +20,20 @@
     [number
      ["f" frac]]]
    ["@" target
-    ["_" common_lisp {"+" Expression}]]]]
+    ["_" common_lisp (.only Expression)]]]]
  ["[0]" //// "_"
   ["/" bundle]
   ["/[1]" // "_"
    ["[0]" extension]
    [generation
-    [extension {"+" Nullary Unary Binary Trinary
-                nullary unary binary trinary}]
+    [extension (.only Nullary Unary Binary Trinary
+                      nullary unary binary trinary)]
     ["[0]" reference]
     ["//" common_lisp "_"
-     ["[1][0]" runtime {"+" Operation Phase Handler Bundle Generator}]
+     ["[1][0]" runtime (.only Operation Phase Handler Bundle Generator)]
      ["[1][0]" case]]]
    [//
-    ["[0]" synthesis {"+" %synthesis}]
+    ["[0]" synthesis (.only %synthesis)]
     ["[0]" generation]
     [///
      ["[1]" phase]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp/host.lux
index b5077cb7b..5a246b3ef 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/common_lisp/host.lux
@@ -1,37 +1,37 @@
 (.using
-  [library
-   [lux "*"
-    [abstract
-     ["[0]" monad {"+" do}]]
-    [control
-     ["[0]" function]
-     ["<>" parser
-      ["<s>" synthesis {"+" Parser}]]]
-    [data
-     [collection
-      ["[0]" dictionary]
-      ["[0]" list]]
-     [text
-      ["%" format {"+" format}]]]
-    [target
-     ["_" common_lisp {"+" Var Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" common {"+" custom}]
-   ["//[1]" /// "_"
-    ["/" bundle]
+ [library
+  [lux "*"
+   [abstract
+    ["[0]" monad (.only do)]]
+   [control
+    ["[0]" function]
+    ["<>" parser
+     ["<s>" synthesis (.only Parser)]]]
+   [data
+    [collection
+     ["[0]" dictionary]
+     ["[0]" list]]
+    [text
+     ["%" format (.only format)]]]
+   [target
+    ["_" common_lisp (.only Var Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" common (.only custom)]
+  ["//[1]" /// "_"
+   ["/" bundle]
+   ["/[1]" // "_"
+    ["[0]" extension]
+    [generation
+     [extension (.only Nullary Unary Binary Trinary
+                       nullary unary binary trinary)]
+     ["[0]" reference]
+     ["//" common_lisp "_"
+      ["[1][0]" runtime (.only Operation Phase Handler Bundle
+                               with_vars)]]]
     ["/[1]" // "_"
-     ["[0]" extension]
-     [generation
-      [extension {"+" Nullary Unary Binary Trinary
-                  nullary unary binary trinary}]
-      ["[0]" reference]
-      ["//" common_lisp "_"
-       ["[1][0]" runtime {"+" Operation Phase Handler Bundle
-                          with_vars}]]]
-     ["/[1]" // "_"
-      ["[0]" generation]
-      ["//[1]" /// "_"
-       ["[1][0]" phase]]]]]])
+     ["[0]" generation]
+     ["//[1]" /// "_"
+      ["[1][0]" phase]]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js.lux
index 2530af7ec..994156093 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [js
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js/common.lux
index c935634c7..9b9945736 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js/common.lux
@@ -2,11 +2,11 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" try]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     [collection
@@ -18,16 +18,16 @@
     [number
      ["f" frac]]]
    ["@" target
-    ["_" js {"+" Literal Expression Statement}]]]]
+    ["_" js (.only Literal Expression Statement)]]]]
  ["[0]" //// "_"
   ["/" bundle]
   ["/[1]" // "_"
    ["[0]" extension]
    [generation
-    [extension {"+" Nullary Unary Binary Trinary
-                nullary unary binary trinary}]
+    [extension (.only Nullary Unary Binary Trinary
+                      nullary unary binary trinary)]
     ["//" js "_"
-     ["[1][0]" runtime {"+" Operation Phase Phase! Handler Bundle Generator}]
+     ["[1][0]" runtime (.only Operation Phase Phase! Handler Bundle Generator)]
      ["[1][0]" primitive]
      ["[1][0]" structure]
      ["[1][0]" reference]
@@ -35,7 +35,7 @@
      ["[1][0]" loop]
      ["[1][0]" function]]]
    [//
-    ["[0]" synthesis {"+" %synthesis}]
+    ["[0]" synthesis (.only %synthesis)]
     [///
      ["[1]" phase ("[1]#[0]" monad)]]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js/host.lux
index 055fec9ee..46459fd02 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/js/host.lux
@@ -2,29 +2,29 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     [collection
      ["[0]" dictionary]
      ["[0]" list]]]
    [target
-    ["_" js {"+" Var Expression}]]]]
+    ["_" js (.only Var Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" common {"+" custom}]
+  ["[1][0]" common (.only custom)]
   ["//[1]" /// "_"
    ["/" bundle]
    ["/[1]" // "_"
     ["[0]" extension]
     [generation
-     [extension {"+" Nullary Unary Binary Trinary
-                 nullary unary binary trinary}]
+     [extension (.only Nullary Unary Binary Trinary
+                       nullary unary binary trinary)]
      ["//" js "_"
-      ["[1][0]" runtime {"+" Operation Phase Handler Bundle
-                         with_vars}]]]
+      ["[1][0]" runtime (.only Operation Phase Handler Bundle
+                               with_vars)]]]
     ["/[1]" // "_"
      ["[0]" generation]
      ["//[1]" /// "_"
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm.lux
index 4b27edabb..7a6897bce 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [jvm
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm/common.lux
index 7ecc092e8..39ba779e9 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm/common.lux
@@ -2,12 +2,12 @@
  [library
   [lux {"-" Type Label Primitive}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" try]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" exception (.only exception:)]
     ["<>" parser
-     ["<[0]>" synthesis {"+" Parser}]]]
+     ["<[0]>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     [collection
@@ -19,29 +19,29 @@
      ["[0]" i32]]]
    [target
     [jvm
-     ["_" bytecode {"+" Label Bytecode} ("[1]#[0]" monad)]
+     ["_" bytecode (.only Label Bytecode) ("[1]#[0]" monad)]
      [encoding
-      ["[0]" signed {"+" S4}]]
-     ["[0]" type {"+" Type}
-      [category {"+" Primitive Class}]]]]]]
+      ["[0]" signed (.only S4)]]
+     ["[0]" type (.only Type)
+      [category (.only Primitive Class)]]]]]]
  ["[0]" ///// "_"
   [generation
-   [extension {"+" Nullary Unary Binary Trinary Variadic
-               nullary unary binary trinary variadic}]
+   [extension (.only Nullary Unary Binary Trinary Variadic
+                     nullary unary binary trinary variadic)]
    ["///" jvm "_"
     ["[1][0]" value]
-    ["[1][0]" runtime {"+" Operation Phase Bundle Handler}]
+    ["[1][0]" runtime (.only Operation Phase Bundle Handler)]
     ["[1][0]" function "_"
      ["[1]" abstract]]]]
   [extension
    ["[1]extension" /]
    ["[1][0]" bundle]]
   [//
-   ["/[1][0]" synthesis {"+" Synthesis %synthesis}]
+   ["/[1][0]" synthesis (.only Synthesis %synthesis)]
    [///
     ["[1]" phase]
     [meta
-     [archive {"+" Archive}]]]]])
+     [archive (.only Archive)]]]]])
 
 (def: .public (custom [parser handler])
   (All (_ s)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm/host.lux
index 908057f4d..c8ec7c9fa 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/jvm/host.lux
@@ -2,21 +2,21 @@
  [library
   [lux {"-" Type Primitive}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe ("[1]#[0]" functor)]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" exception (.only exception:)]
     ["<>" parser
      ["<[0]>" text]
-     ["<[0]>" synthesis {"+" Parser}]]]
+     ["<[0]>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" equivalence)
      ["%" format]]
     [collection
      ["[0]" list ("[1]#[0]" monad mix monoid)]
-     ["[0]" dictionary {"+" Dictionary}]
-     ["[0]" set {"+" Set}]
+     ["[0]" dictionary (.only Dictionary)]
+     ["[0]" set (.only Set)]
      ["[0]" sequence]]
     ["[0]" format "_"
      ["[1]" binary]]]
@@ -31,28 +31,28 @@
     [jvm
      ["[0]" version]
      ["[0]" modifier ("[1]#[0]" monoid)]
-     ["[0]" method {"+" Method}]
-     ["[0]" class {"+" Class}]
+     ["[0]" method (.only Method)]
+     ["[0]" class (.only Class)]
      [constant
-      [pool {"+" Resource}]]
+      [pool (.only Resource)]]
      [encoding
       ["[0]" name]]
-     ["_" bytecode {"+" Bytecode} ("[1]#[0]" monad)
-      ["__" instruction {"+" Primitive_Array_Type}]]
-     ["[0]" type {"+" Type Typed Argument}
-      ["[0]" category {"+" Void Value' Value Return' Return Primitive Object Array Var Parameter}]
+     ["_" bytecode (.only Bytecode) ("[1]#[0]" monad)
+      ["__" instruction (.only Primitive_Array_Type)]]
+     ["[0]" type (.only Type Typed Argument)
+      ["[0]" category (.only Void Value' Value Return' Return Primitive Object Array Var Parameter)]
       ["[0]" box]
       ["[0]" reflection]
       ["[0]" signature]
       ["[0]" parser]]]]]]
  ["[0]" // "_"
-  [common {"+" custom}]
+  [common (.only custom)]
   ["///[1]" //// "_"
    [generation
-    [extension {"+" Nullary Unary Binary Trinary Variadic
-                nullary unary binary trinary variadic}]
+    [extension (.only Nullary Unary Binary Trinary Variadic
+                      nullary unary binary trinary variadic)]
     ["///" jvm
-     ["[1][0]" runtime {"+" Operation Bundle Phase Handler}]
+     ["[1][0]" runtime (.only Operation Bundle Phase Handler)]
      ["[1][0]" reference]
      ["[1][0]" value]
      [function
@@ -64,15 +64,15 @@
     [analysis
      ["/" jvm]]]
    ["/[1]" // "_"
-    [analysis {"+" Environment}]
-    ["[1][0]" synthesis {"+" Synthesis Path %synthesis}]
+    [analysis (.only Environment)]
+    ["[1][0]" synthesis (.only Synthesis Path %synthesis)]
     ["[1][0]" generation]
     [///
      ["[1]" phase]
      ["[1][0]" reference
-      ["[2][0]" variable {"+" Variable Register}]]
+      ["[2][0]" variable (.only Variable Register)]]
      [meta
-      ["[0]" archive {"+" Archive}
+      ["[0]" archive (.only Archive)
        ["[0]" artifact]
        ["[0]" unit]]
       ["[0]" cache "_"
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua.lux
index 8335ce18d..f132dc39e 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [lua
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua/common.lux
index cb29b9c89..a45ba6c40 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua/common.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" try]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" list ("[1]#[0]" functor mix)]]]
@@ -21,16 +21,16 @@
     [number
      ["f" frac]]]
    ["@" target
-    ["_" lua {"+" Expression Statement}]]]]
+    ["_" lua (.only Expression Statement)]]]]
  ["[0]" //// "_"
   ["/" bundle]
   ["/[1]" // "_"
    ["[0]" extension]
    [generation
-    [extension {"+" Nullary Unary Binary Trinary
-                nullary unary binary trinary}]
+    [extension (.only Nullary Unary Binary Trinary
+                      nullary unary binary trinary)]
     ["//" lua "_"
-     ["[1][0]" runtime {"+" Operation Phase Phase! Handler Bundle Generator}]
+     ["[1][0]" runtime (.only Operation Phase Phase! Handler Bundle Generator)]
      ["[1][0]" primitive]
      ["[1][0]" structure]
      ["[1][0]" reference]
@@ -38,7 +38,7 @@
      ["[1][0]" loop]
      ["[1][0]" function]]]
    [//
-    ["[0]" synthesis {"+" %synthesis}]
+    ["[0]" synthesis (.only %synthesis)]
     ["[0]" generation]
     [///
      ["[1]" phase ("[1]#[0]" monad)]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua/host.lux
index 1d3f9cae4..61f04ed49 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/lua/host.lux
@@ -2,32 +2,32 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     [collection
      ["[0]" dictionary]
      ["[0]" list]]
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [target
-    ["_" lua {"+" Var Expression}]]]]
+    ["_" lua (.only Var Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" common {"+" custom}]
+  ["[1][0]" common (.only custom)]
   ["//[1]" /// "_"
    ["/" bundle]
    ["/[1]" // "_"
     ["[0]" extension]
     [generation
-     [extension {"+" Nullary Unary Binary Trinary
-                 nullary unary binary trinary}]
+     [extension (.only Nullary Unary Binary Trinary
+                       nullary unary binary trinary)]
      ["[0]" reference]
      ["//" lua "_"
-      ["[1][0]" runtime {"+" Operation Phase Handler Bundle
-                         with_vars}]]]
+      ["[1][0]" runtime (.only Operation Phase Handler Bundle
+                               with_vars)]]]
     ["/[1]" // "_"
      ["[0]" generation]
      ["//[1]" /// "_"
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php.lux
index 3bf186a60..4e11b0df9 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [php
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php/common.lux
index 82eb02ee5..3395e8ec8 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php/common.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" try]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" set]
@@ -20,20 +20,20 @@
     [number
      ["f" frac]]]
    ["@" target
-    ["_" php {"+" Expression}]]]]
+    ["_" php (.only Expression)]]]]
  ["[0]" //// "_"
   ["/" bundle]
   ["/[1]" // "_"
    ["[0]" extension]
    [generation
-    [extension {"+" Nullary Unary Binary Trinary
-                nullary unary binary trinary}]
+    [extension (.only Nullary Unary Binary Trinary
+                      nullary unary binary trinary)]
     ["[0]" reference]
     ["//" php "_"
-     ["[1][0]" runtime {"+" Operation Phase Handler Bundle Generator}]
+     ["[1][0]" runtime (.only Operation Phase Handler Bundle Generator)]
      ["[1][0]" case]]]
    [//
-    ["[0]" synthesis {"+" %synthesis}]
+    ["[0]" synthesis (.only %synthesis)]
     ["[0]" generation]
     [///
      ["[1]" phase]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php/host.lux
index b4be6893f..ffa9c2706 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/php/host.lux
@@ -2,32 +2,32 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     [collection
      ["[0]" dictionary]
      ["[0]" list]]
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [target
-    ["_" php {"+" Var Expression}]]]]
+    ["_" php (.only Var Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" common {"+" custom}]
+  ["[1][0]" common (.only custom)]
   ["//[1]" /// "_"
    ["/" bundle]
    ["/[1]" // "_"
     ["[0]" extension]
     [generation
-     [extension {"+" Nullary Unary Binary Trinary
-                 nullary unary binary trinary}]
+     [extension (.only Nullary Unary Binary Trinary
+                       nullary unary binary trinary)]
      ["[0]" reference]
      ["//" php "_"
-      ["[1][0]" runtime {"+" Operation Phase Handler Bundle
-                         with_vars}]]]
+      ["[1][0]" runtime (.only Operation Phase Handler Bundle
+                               with_vars)]]]
     ["/[1]" // "_"
      ["[0]" generation]
      ["//[1]" /// "_"
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python.lux
index 4124be69d..ee404ed8e 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [python
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python/common.lux
index 89092a241..6a3dbe92d 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python/common.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" try]
     ["<>" parser
-     ["<[0]>" synthesis {"+" Parser}]]]
+     ["<[0]>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" list ("[1]#[0]" functor mix)]]]
@@ -21,17 +21,17 @@
     [number
      ["f" frac]]]
    [target
-    ["_" python {"+" Expression Statement}]]]]
+    ["_" python (.only Expression Statement)]]]]
  ["[0]" //// "_"
   ["/" bundle]
   ["/[1]" // "_"
    ["[0]" extension]
    [generation
     ["[0]" reference]
-    [extension {"+" Nullary Unary Binary Trinary
-                nullary unary binary trinary}]
+    [extension (.only Nullary Unary Binary Trinary
+                      nullary unary binary trinary)]
     ["//" python "_"
-     ["[1][0]" runtime {"+" Operation Phase Phase! Handler Bundle Generator}]
+     ["[1][0]" runtime (.only Operation Phase Phase! Handler Bundle Generator)]
      ["[1][0]" primitive]
      ["[1][0]" structure]
      ["[1][0]" reference]
@@ -39,8 +39,8 @@
      ["[1][0]" case]
      ["[1][0]" loop]]]
    [//
-    [analysis {"+" }]
-    ["[0]" synthesis {"+" %synthesis}]
+    [analysis (.only)]
+    ["[0]" synthesis (.only %synthesis)]
     ["[0]" generation]
     [///
      ["[1]" phase ("[1]#[0]" monad)]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python/host.lux
index 2b06a7946..ba4cd89d5 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/python/host.lux
@@ -2,11 +2,11 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     ["[0]" text
      ["%" format]]
@@ -14,19 +14,19 @@
      ["[0]" dictionary]
      ["[0]" list]]]
    [target
-    ["_" python {"+" Expression SVar}]]]]
+    ["_" python (.only Expression SVar)]]]]
  ["[0]" // "_"
-  ["[1][0]" common {"+" custom}]
+  ["[1][0]" common (.only custom)]
   ["//[1]" /// "_"
    ["/" bundle]
    ["/[1]" // "_"
     ["[0]" extension]
     [generation
-     [extension {"+" Nullary Unary Binary Trinary
-                 nullary unary binary trinary}]
+     [extension (.only Nullary Unary Binary Trinary
+                       nullary unary binary trinary)]
      ["//" python "_"
-      ["[1][0]" runtime {"+" Operation Phase Handler Bundle
-                         with_vars}]]]
+      ["[1][0]" runtime (.only Operation Phase Handler Bundle
+                               with_vars)]]]
     ["/[1]" // "_"
      ["[0]" generation]
      ["//[1]" /// "_"
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r.lux
index 338342aba..0112c3fb4 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [r
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r/common.lux
index eba2036c4..61fb604cb 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r/common.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" try]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" set]
@@ -20,20 +20,20 @@
     [number
      ["f" frac]]]
    ["@" target
-    ["_" r {"+" Expression}]]]]
+    ["_" r (.only Expression)]]]]
  ["[0]" //// "_"
   ["/" bundle]
   ["/[1]" // "_"
    ["[0]" extension]
    [generation
-    [extension {"+" Nullary Unary Binary Trinary
-                nullary unary binary trinary}]
+    [extension (.only Nullary Unary Binary Trinary
+                      nullary unary binary trinary)]
     ["[0]" reference]
     ["//" r "_"
-     ["[1][0]" runtime {"+" Operation Phase Handler Bundle Generator}]
+     ["[1][0]" runtime (.only Operation Phase Handler Bundle Generator)]
      ["[1][0]" case]]]
    [//
-    ["[0]" synthesis {"+" %synthesis}]
+    ["[0]" synthesis (.only %synthesis)]
     ["[0]" generation]
     [///
      ["[1]" phase]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r/host.lux
index 7cd663e5e..3d01788a9 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/r/host.lux
@@ -1,37 +1,37 @@
 (.using
-  [library
-   [lux "*"
-    [abstract
-     ["[0]" monad {"+" do}]]
-    [control
-     ["[0]" function]
-     ["<>" parser
-      ["<s>" synthesis {"+" Parser}]]]
-    [data
-     [collection
-      ["[0]" dictionary]
-      ["[0]" list]]
-     [text
-      ["%" format {"+" format}]]]
-    [target
-     ["_" r {"+" Var Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" common {"+" custom}]
-   ["//[1]" /// "_"
-    ["/" bundle]
+ [library
+  [lux "*"
+   [abstract
+    ["[0]" monad (.only do)]]
+   [control
+    ["[0]" function]
+    ["<>" parser
+     ["<s>" synthesis (.only Parser)]]]
+   [data
+    [collection
+     ["[0]" dictionary]
+     ["[0]" list]]
+    [text
+     ["%" format (.only format)]]]
+   [target
+    ["_" r (.only Var Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" common (.only custom)]
+  ["//[1]" /// "_"
+   ["/" bundle]
+   ["/[1]" // "_"
+    ["[0]" extension]
+    [generation
+     [extension (.only Nullary Unary Binary Trinary
+                       nullary unary binary trinary)]
+     ["[0]" reference]
+     ["//" r "_"
+      ["[1][0]" runtime (.only Operation Phase Handler Bundle
+                               with_vars)]]]
     ["/[1]" // "_"
-     ["[0]" extension]
-     [generation
-      [extension {"+" Nullary Unary Binary Trinary
-                  nullary unary binary trinary}]
-      ["[0]" reference]
-      ["//" r "_"
-       ["[1][0]" runtime {"+" Operation Phase Handler Bundle
-                          with_vars}]]]
-     ["/[1]" // "_"
-      ["[0]" generation]
-      ["//[1]" /// "_"
-       ["[1][0]" phase]]]]]])
+     ["[0]" generation]
+     ["//[1]" /// "_"
+      ["[1][0]" phase]]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby.lux
index fe36de1b2..5461e6511 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [ruby
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby/common.lux
index bec0ecdc2..d6d56ed63 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby/common.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" try]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" list ("[1]#[0]" functor mix)]]]
@@ -21,16 +21,16 @@
     [number
      ["f" frac]]]
    [target
-    ["_" ruby {"+" Expression Statement}]]]]
+    ["_" ruby (.only Expression Statement)]]]]
  ["[0]" //// "_"
   ["/" bundle]
   ["/[1]" // "_"
    ["[0]" extension]
    [generation
-    [extension {"+" Nullary Unary Binary Trinary
-                nullary unary binary trinary}]
+    [extension (.only Nullary Unary Binary Trinary
+                      nullary unary binary trinary)]
     ["//" ruby "_"
-     ["[1][0]" runtime {"+" Operation Phase Phase! Handler Bundle Generator}]
+     ["[1][0]" runtime (.only Operation Phase Phase! Handler Bundle Generator)]
      ["[1][0]" primitive]
      ["[1][0]" structure]
      ["[1][0]" reference]
@@ -38,7 +38,7 @@
      ["[1][0]" case]
      ["[1][0]" loop]]]
    [//
-    ["[0]" synthesis {"+" %synthesis}]
+    ["[0]" synthesis (.only %synthesis)]
     ["[0]" generation]
     [///
      ["[1]" phase ("[1]#[0]" monad)]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby/host.lux
index a5f389ec9..1b5a79492 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/ruby/host.lux
@@ -2,32 +2,32 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     [collection
      ["[0]" dictionary]
      ["[0]" list]]
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [target
-    ["_" ruby {"+" Var Expression}]]]]
+    ["_" ruby (.only Var Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" common {"+" custom}]
+  ["[1][0]" common (.only custom)]
   ["//[1]" /// "_"
    ["/" bundle]
    ["/[1]" // "_"
     ["[0]" extension]
     [generation
-     [extension {"+" Nullary Unary Binary Trinary
-                 nullary unary binary trinary}]
+     [extension (.only Nullary Unary Binary Trinary
+                       nullary unary binary trinary)]
      ["[0]" reference]
      ["//" ruby "_"
-      ["[1][0]" runtime {"+" Operation Phase Handler Bundle
-                         with_vars}]]]
+      ["[1][0]" runtime (.only Operation Phase Handler Bundle
+                               with_vars)]]]
     ["/[1]" // "_"
      ["[0]" generation]
      ["//[1]" /// "_"
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme.lux
index 5419daa5e..8d09d638f 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme.lux
@@ -10,7 +10,7 @@
   [////
    [generation
     [scheme
-     [runtime {"+" Bundle}]]]]])
+     [runtime (.only Bundle)]]]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme/common.lux
index 4a1218b26..933e7d3a0 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme/common.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["[0]" try]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" set]
@@ -20,20 +20,20 @@
     [number
      ["f" frac]]]
    ["@" target
-    ["_" scheme {"+" Expression}]]]]
+    ["_" scheme (.only Expression)]]]]
  ["[0]" //// "_"
   ["/" bundle]
   ["/[1]" // "_"
    ["[0]" extension]
    [generation
-    [extension {"+" Nullary Unary Binary Trinary
-                nullary unary binary trinary}]
+    [extension (.only Nullary Unary Binary Trinary
+                      nullary unary binary trinary)]
     ["[0]" reference]
     ["//" scheme "_"
-     ["[1][0]" runtime {"+" Operation Phase Handler Bundle Generator}]
+     ["[1][0]" runtime (.only Operation Phase Handler Bundle Generator)]
      ["[1][0]" case]]]
    [//
-    ["[0]" synthesis {"+" %synthesis}]
+    ["[0]" synthesis (.only %synthesis)]
     ["[0]" generation]
     [///
      ["[1]" phase]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme/host.lux
index aedc15c3f..67b1827ce 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/generation/scheme/host.lux
@@ -2,32 +2,32 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
-     ["<s>" synthesis {"+" Parser}]]]
+     ["<s>" synthesis (.only Parser)]]]
    [data
     [collection
      ["[0]" dictionary]
      ["[0]" list]]
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [target
-    ["_" scheme {"+" Var Expression}]]]]
+    ["_" scheme (.only Var Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" common {"+" custom}]
+  ["[1][0]" common (.only custom)]
   ["//[1]" /// "_"
    ["/" bundle]
    ["/[1]" // "_"
     ["[0]" extension]
     [generation
-     [extension {"+" Nullary Unary Binary Trinary
-                 nullary unary binary trinary}]
+     [extension (.only Nullary Unary Binary Trinary
+                       nullary unary binary trinary)]
      ["[0]" reference]
      ["//" scheme "_"
-      ["[1][0]" runtime {"+" Operation Phase Handler Bundle
-                         with_vars}]]]
+      ["[1][0]" runtime (.only Operation Phase Handler Bundle
+                               with_vars)]]]
     ["/[1]" // "_"
      ["[0]" generation]
      ["//[1]" /// "_"
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/synthesis.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/synthesis.lux
index 50c9acf01..25868a29a 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/synthesis.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/extension/synthesis.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"]]
-  [//
-   ["[0]" bundle]
-   [///
-    [synthesis {"+" Bundle}]]])
+ [library
+  [lux "*"]]
+ [//
+  ["[0]" bundle]
+  [///
+   [synthesis (.only Bundle)]]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp.lux
index d92c3084f..462d178ea 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp.lux
@@ -2,11 +2,11 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [macro
     ["^" pattern]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase}]
+  [runtime (.only Phase)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
@@ -18,12 +18,12 @@
    ["/[1]" // "_"
     ["[1][0]" extension]
     ["/[1]" // "_"
-     [analysis {"+" }]
+     [analysis (.only)]
      ["[1][0]" synthesis]
      ["//[1]" /// "_"
       ["[1][0]" phase ("[1]#[0]" monad)]
-      [reference {"+"}
-       [variable {"+"}]]]]]]])
+      [reference (.only)
+       [variable (.only)]]]]]]])
 
 (def: .public (generate archive synthesis)
   Phase
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/case.lux
index 2f5b895e3..55baf8d63 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/case.lux
@@ -2,12 +2,12 @@
  [library
   [lux {"-" case let if}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix monoid)]
      ["[0]" set]]]
@@ -17,9 +17,9 @@
     [number
      ["n" nat]]]
    [target
-    ["_" common_lisp {"+" Expression Var/1}]]]]
+    ["_" common_lisp (.only Expression Var/1)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" reference]
   ["[1][0]" primitive]
   ["/[1]" // "_"
@@ -28,14 +28,14 @@
     ["[1][0]" synthesis "_"
      ["[1]/[0]" case]]
     ["/[1]" // "_"
-     ["[1][0]" synthesis {"+" Member Synthesis Path}]
+     ["[1][0]" synthesis (.only Member Synthesis Path)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       [reference
-       ["[1][0]" variable {"+" Register}]]
+       ["[1][0]" variable (.only Register)]]
       ["[1][0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}]]]]]]])
+       [archive (.only Archive)]]]]]]])
 
 (def: .public register
   (-> Register Var/1)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/extension.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/extension.lux
index 1a041edc1..8c2e01506 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/extension.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/extension.lux
@@ -1,13 +1,13 @@
 (.using
-  [library
-   [lux "*"
-    [data
-     [collection
-      ["[0]" dictionary]]]]]
-  [//
-   [runtime {"+" Bundle}]]
-  [/
-   ["[0]" common]])
+ [library
+  [lux "*"
+   [data
+    [collection
+     ["[0]" dictionary]]]]]
+ [//
+  [runtime (.only Bundle)]]
+ [/
+  ["[0]" common]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/extension/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/extension/common.lux
index 527ee9822..26b03d5e9 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/extension/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/extension/common.lux
@@ -2,7 +2,7 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]]
    [data
@@ -12,13 +12,13 @@
     [collection
      ["[0]" dictionary]]]
    [target
-    ["_" common_lisp {"+" Expression}]]]]
+    ["_" common_lisp (.only Expression)]]]]
  ["[0]" /// "_"
-  ["[1][0]" runtime {"+" Operation Phase Handler Bundle}]
+  ["[1][0]" runtime (.only Operation Phase Handler Bundle)]
   ["[1][0]" primitive]
   [//
-   [extension {"+" Nullary Unary Binary Trinary
-               nullary unary binary trinary}]
+   [extension (.only Nullary Unary Binary Trinary
+                     nullary unary binary trinary)]
    [//
     [extension
      ["[0]" bundle]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/function.lux
index d91f824ad..c525d1cbf 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/function.lux
@@ -2,32 +2,32 @@
  [library
   [lux {"-" function}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     pipe]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]]]
    [target
-    ["_" common_lisp {"+" Expression Var/1}]]]]
+    ["_" common_lisp (.only Expression Var/1)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" reference]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    [analysis {"+" Variant Tuple Abstraction Application Analysis}]
-    [synthesis {"+" Synthesis}]
-    ["[1][0]" generation {"+" Context}]
+    [analysis (.only Variant Tuple Abstraction Application Analysis)]
+    [synthesis (.only Synthesis)]
+    ["[1][0]" generation (.only Context)]
     ["//[1]" /// "_"
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      ["[1][0]" phase ("[1]#[0]" monad)]
      [reference
-      [variable {"+" Register Variable}]]]]]])
+      [variable (.only Register Variable)]]]]]])
 
 (def: .public (apply expression archive [functionS argsS+])
   (Generator (Application Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/loop.lux
index 29ad332ab..f8563d14b 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/loop.lux
@@ -2,20 +2,20 @@
  [library
   [lux {"-" Scope}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]]]
    [math
     [number
      ["n" nat]]]
    [target
-    ["_" common_lisp {"+" Expression}]]]]
+    ["_" common_lisp (.only Expression)]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Generator}]
+  [runtime (.only Operation Phase Generator)]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
@@ -23,14 +23,14 @@
     [synthesis
      ["[0]" case]]
     ["/[1]" // "_"
-     ["[0]"synthesis {"+" Scope Synthesis}]
+     ["[0]"synthesis (.only Scope Synthesis)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       ["[1][0]" phase]
       [meta
-       [archive {"+" Archive}]]
+       [archive (.only Archive)]]
       [reference
-       [variable {"+" Register}]]]]]]])
+       [variable (.only Register)]]]]]]])
 
 (def: .public (scope expression archive [start initsS+ bodyS])
   (Generator (Scope Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/primitive.lux
index c58595ac2..c6fb147f8 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/primitive.lux
@@ -1,8 +1,8 @@
 (.using
-  [library
-   [lux {"-" i64}
-    [target
-     ["_" common_lisp {"+" Expression}]]]])
+ [library
+  [lux {"-" i64}
+   [target
+    ["_" common_lisp (.only Expression)]]]])
 
 (def: .public bit
   (-> Bit (Expression Any))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/reference.lux
index b032cfc3d..55188d5ea 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/reference.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"
-    [target
-     ["_" common_lisp {"+" Expression}]]]]
-  [///
-   [reference {"+" System}]])
+ [library
+  [lux "*"
+   [target
+    ["_" common_lisp (.only Expression)]]]]
+ [///
+  [reference (.only System)]])
 
 (implementation: .public system
   (System (Expression Any))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/runtime.lux
index 947dd7cc7..0993f6724 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/runtime.lux
@@ -3,7 +3,7 @@
   [lux {"-" Location}
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
@@ -11,32 +11,32 @@
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      ["[0]" encoding]]
     [collection
      ["[0]" list ("[1]#[0]" functor monoid)]
      ["[0]" sequence]]]
    ["[0]" macro
-    [syntax {"+" syntax:}]
+    [syntax (.only syntax:)]
     ["[0]" code]]
    [math
-    [number {"+" hex}
+    [number (.only hex)
      ["[0]" i64]]]
    ["@" target
-    ["_" common_lisp {"+" Expression Computation Literal}]]]]
+    ["_" common_lisp (.only Expression Computation Literal)]]]]
  ["[0]" /// "_"
   ["[1][0]" reference]
   ["//[1]" /// "_"
-   [analysis {"+" Variant}]
-   ["[1][0]" synthesis {"+" Synthesis}]
+   [analysis (.only Variant)]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["[1][0]" generation]
    ["//[1]" ///
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]
+     [variable (.only Register)]]
     [meta
-     [archive {"+" Output Archive}
-      ["[0]" artifact {"+" Registry}]]]]]])
+     [archive (.only Output Archive)
+      ["[0]" artifact (.only Registry)]]]]]])
 
 (def: module_id
   0)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/structure.lux
index 8554b332f..af0d4302b 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/common_lisp/structure.lux
@@ -1,18 +1,18 @@
 (.using
-  [library
-   [lux "*"
-    [abstract
-     ["[0]" monad {"+" do}]]
-    [target
-     ["_" common_lisp {"+" Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" runtime {"+" Operation Phase Generator}]
-   ["[1][0]" primitive]
-   ["///[1]" //// "_"
-    [analysis {"+" Variant Tuple}]
-    ["[1][0]" synthesis {"+" Synthesis}]
-    ["//[1]" /// "_"
-     ["[1][0]" phase ("[1]#[0]" monad)]]]])
+ [library
+  [lux "*"
+   [abstract
+    ["[0]" monad (.only do)]]
+   [target
+    ["_" common_lisp (.only Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" runtime (.only Operation Phase Generator)]
+  ["[1][0]" primitive]
+  ["///[1]" //// "_"
+   [analysis (.only Variant Tuple)]
+   ["[1][0]" synthesis (.only Synthesis)]
+   ["//[1]" /// "_"
+    ["[1][0]" phase ("[1]#[0]" monad)]]]])
 
 (def: .public (tuple expression archive elemsS+)
   (Generator (Tuple Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/extension.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/extension.lux
index a260ec3c8..6762b03c1 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/extension.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/extension.lux
@@ -2,7 +2,7 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     [parser
      ["<[0]>" code]]]
@@ -10,13 +10,13 @@
     [collection
      ["[0]" list ("[1]#[0]" functor)]]]
    ["[0]" meta]
-   ["[0]" macro {"+" with_symbols}
+   ["[0]" macro (.only with_symbols)
     ["[0]" code]
-    [syntax {"+" syntax:}]]]]
+    [syntax (.only syntax:)]]]]
  ["[0]" /// "_"
   ["[1][0]" extension]
   [//
-   [synthesis {"+" Synthesis}]
+   [synthesis (.only Synthesis)]
    ["[0]" generation]
    [///
     ["[1]" phase]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js.lux
index 637513242..cd1276c3c 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js.lux
@@ -2,15 +2,15 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [macro
     ["^" pattern]]
    [target
     ["_" js]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase Phase!}]
+  [runtime (.only Phase Phase!)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
@@ -25,12 +25,12 @@
       [js
        ["[1]/[0]" common]]]]
     ["/[1]" // "_"
-     [analysis {"+" }]
+     [analysis (.only)]
      ["[0]" synthesis]
      ["//[1]" /// "_"
       ["[1][0]" phase ("[1]#[0]" monad)]
-      [reference {"+"}
-       [variable {"+"}]]]]]]])
+      [reference (.only)
+       [variable (.only)]]]]]]])
 
 (exception: .public cannot_recur_as_an_expression)
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/case.lux
index de443a7c7..c660b2d39 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/case.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" case exec let if}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe]]
    [data
@@ -15,9 +15,9 @@
     [number
      ["n" nat]]]
    [target
-    ["_" js {"+" Expression Computation Var Statement}]]]]
+    ["_" js (.only Expression Computation Var Statement)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Phase! Generator Generator!}]
+  ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)]
   ["[1][0]" reference]
   ["[1][0]" primitive]
   ["/[1]" // "_"
@@ -26,15 +26,15 @@
     ["[1][0]" synthesis "_"
      ["[1]/[0]" case]]
     ["/[1]" // "_"
-     ["[1][0]" synthesis {"+" Synthesis Path}
+     ["[1][0]" synthesis (.only Synthesis Path)
       [access
-       ["[0]" member {"+" Member}]]]
+       ["[0]" member (.only Member)]]]
      ["//[1]" /// "_"
       [reference
-       [variable {"+" Register}]]
+       [variable (.only Register)]]
       ["[1][0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}]]]]]]])
+       [archive (.only Archive)]]]]]]])
 
 (def: .public register
   (-> Register Var)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/function.lux
index 15c0a984a..95d8d484f 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/function.lux
@@ -2,30 +2,30 @@
  [library
   [lux {"-" function}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]]]
    [target
-    ["_" js {"+" Expression Computation Var Statement}]]]]
+    ["_" js (.only Expression Computation Var Statement)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Phase! Generator}]
+  ["[1][0]" runtime (.only Operation Phase Phase! Generator)]
   ["[1][0]" reference]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    [analysis {"+" Abstraction Reification Analysis}]
-    [synthesis {"+" Synthesis}]
+    [analysis (.only Abstraction Reification Analysis)]
+    [synthesis (.only Synthesis)]
     ["[1][0]" generation]
     ["//[1]" /// "_"
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      ["[1][0]" phase ("[1]#[0]" monad)]
      [reference
-      [variable {"+" Register Variable}]]
+      [variable (.only Register Variable)]]
      [meta
       [archive
        ["[0]" unit]]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/loop.lux
index 62da60326..634cbdd2b 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/loop.lux
@@ -2,28 +2,28 @@
  [library
   [lux {"-" Scope}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]]]
    [math
     [number
      ["n" nat]]]
    [target
-    ["_" js {"+" Computation Var Expression Statement}]]]]
+    ["_" js (.only Computation Var Expression Statement)]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Phase! Generator Generator!}]
+  [runtime (.only Operation Phase Phase! Generator Generator!)]
   ["[1][0]" case]
   ["///[1]" //// "_"
-   [synthesis {"+" Scope Synthesis}]
+   [synthesis (.only Scope Synthesis)]
    ["[1][0]" generation]
    ["//[1]" /// "_"
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]]]])
+     [variable (.only Register)]]]]])
 
 (def: @scope
   (-> Nat Text)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/primitive.lux
index 1672c65b7..6cdbb5035 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/primitive.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux {"-" i64}
-    [target
-     ["_" js {"+" Computation}]]]]
-  ["[0]" // "_"
-   ["[1][0]" runtime]])
+ [library
+  [lux {"-" i64}
+   [target
+    ["_" js (.only Computation)]]]]
+ ["[0]" // "_"
+  ["[1][0]" runtime]])
 
 (def: .public bit
   _.boolean)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/reference.lux
index 0874ed4f3..b6a386e8b 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/reference.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"
-    [target
-     ["_" js {"+" Expression}]]]]
-  [///
-   [reference {"+" System}]])
+ [library
+  [lux "*"
+   [target
+    ["_" js (.only Expression)]]]]
+ [///
+  [reference (.only System)]])
 
 (implementation: .public system
   (System Expression)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/runtime.lux
index 13f2a82e0..66c8021fd 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/runtime.lux
@@ -3,7 +3,7 @@
   [lux {"-" i64}
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
@@ -11,32 +11,32 @@
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" sequence]]]
    ["[0]" macro
-    [syntax {"+" syntax:}]
+    [syntax (.only syntax:)]
     ["[0]" code]]
    [math
-    [number {"+" hex}
+    [number (.only hex)
      ["[0]" i64]]]
    [target
-    ["_" js {"+" Expression Var Computation Statement}]]]]
+    ["_" js (.only Expression Var Computation Statement)]]]]
  ["[0]" /// "_"
   ["[1][0]" reference]
   ["//[1]" /// "_"
-   ["[1][0]" synthesis {"+" Synthesis}]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["[1][0]" generation]
    ["//[1]" ///
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]
+     [variable (.only Register)]]
     [meta
-     [archive {"+" Output Archive}
-      ["[0]" registry {"+" Registry}]
+     [archive (.only Output Archive)
+      ["[0]" registry (.only Registry)]
       ["[0]" unit]]]]]])
 
 (template [<name> <base>]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/structure.lux
index 96ed21e8a..8d3abeb61 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/js/structure.lux
@@ -2,16 +2,16 @@
  [library
   [lux {"-" Variant Tuple}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [target
-    ["_" js {"+" Expression}]]]]
+    ["_" js (.only Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" primitive]
   ["///[1]" //// "_"
-   ["[1][0]" synthesis {"+" Synthesis}]
+   ["[1][0]" synthesis (.only Synthesis)]
    [analysis
-    [complex {"+" Variant Tuple}]]
+    [complex (.only Variant Tuple)]]
    ["//[1]" ///
     ["[1][0]" phase ("[1]#[0]" monad)]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm.lux
index 67ae82f54..2f1e595eb 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm.lux
@@ -2,11 +2,11 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [macro
     ["^" pattern]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase}]
+  [runtime (.only Phase)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/case.lux
index 455121d02..e88608b70 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/case.lux
@@ -2,14 +2,14 @@
  [library
   [lux {"-" Type Label if let exec case int}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]]
    [data
     [collection
      ["[0]" list ("[1]#[0]" mix)]]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [macro
     ["^" pattern]]
    [math
@@ -18,26 +18,26 @@
      ["[0]" i32]]]
    [target
     [jvm
-     ["_" bytecode {"+" Label Bytecode} ("[1]#[0]" monad)
+     ["_" bytecode (.only Label Bytecode) ("[1]#[0]" monad)
       [environment
        [limit
         ["[0]" stack]]]]
-     ["[0]" type {"+" Type}
-      [category {"+" Method}]]]]]]
+     ["[0]" type (.only Type)
+      [category (.only Method)]]]]]]
  ["[0]" // "_"
   ["[1][0]" type]
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" value]
   ["[1][0]" structure]
   [////
    ["[0]" generation]
-   ["[0]" synthesis {"+" Path Fork Synthesis}
+   ["[0]" synthesis (.only Path Fork Synthesis)
     [access
-     ["[0]" member {"+" Member}]]]
+     ["[0]" member (.only Member)]]]
    [///
     ["[0]" phase ("operation#[0]" monad)]
     [reference
-     [variable {"+" Register}]]]]])
+     [variable (.only Register)]]]]])
 
 (def: (pop_alt stack_depth)
   (-> Nat (Bytecode Any))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/debug.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/debug.lux
index 5caa9c817..5c1005d2a 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/debug.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/debug.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" io {"+" IO}]
-    ["[0]" try {"+" Try}]]
+    ["[0]" io (.only IO)]
+    ["[0]" try (.only Try)]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [world
-    ["[0]" file {"+" File}]]]])
+    ["[0]" file (.only File)]]]])
 
 (def: extension ".class")
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function.lux
index 77f1a415f..37f4ff161 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" Type Label}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [collection
@@ -17,23 +17,23 @@
    [target
     [jvm
      ["[0]" version]
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
-     ["[0]" field {"+" Field}]
-     ["[0]" method {"+" Method}]
-     ["_" bytecode {"+" Label Bytecode} ("[1]#[0]" monad)]
-     ["[0]" class {"+" Class}]
-     ["[0]" type {"+" Type}
-      [category {"+" Return' Value'}]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
+     ["[0]" field (.only Field)]
+     ["[0]" method (.only Method)]
+     ["_" bytecode (.only Label Bytecode) ("[1]#[0]" monad)]
+     ["[0]" class (.only Class)]
+     ["[0]" type (.only Type)
+      [category (.only Return' Value')]
       ["[0]" reflection]]
      ["[0]" constant
-      [pool {"+" Resource}]]
+      [pool (.only Resource)]]
      [encoding
-      ["[0]" name {"+" External Internal}]
+      ["[0]" name (.only External Internal)]
       ["[0]" unsigned]]]]
    [tool
     [compiler
      [meta
-      ["[0]" archive {"+" Archive}]
+      ["[0]" archive (.only Archive)]
       ["[0]" cache "_"
        [dependency
         ["[1]/[0]" artifact]]]]]]]]
@@ -52,20 +52,20 @@
    ["[1][0]" reset]
    ["[1][0]" apply]]
   ["/[1]" // "_"
-   ["[1][0]" runtime {"+" Operation Phase Generator}]
+   ["[1][0]" runtime (.only Operation Phase Generator)]
    ["[1][0]" reference]
    [////
-    [analysis {"+" Environment}]
-    ["[0]" synthesis {"+" Synthesis Abstraction Apply}]
+    [analysis (.only Environment)]
+    ["[0]" synthesis (.only Synthesis Abstraction Apply)]
     ["[0]" generation]
     [///
-     ["[0]" arity {"+" Arity}]
+     ["[0]" arity (.only Arity)]
      ["[0]" phase]
      [meta
       [archive
        ["[0]" unit]]]
      [reference
-      [variable {"+" Register}]]]]]])
+      [variable (.only Register)]]]]]])
 
 (def: .public (with generate archive @begin class environment arity body)
   (-> Phase Archive Label External (Environment Synthesis) Arity (Bytecode Any)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/abstract.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/abstract.lux
index d8bd53835..6167117e5 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/abstract.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/abstract.lux
@@ -1,17 +1,17 @@
 (.using
-  [library
-   [lux {"-" Type}
-    [data
-     [text
-      ["%" format]]]
-    [target
-     [jvm
-      ["[0]" type {"+" Type}
-       [category {"+" Method}]]]]]]
-  [//
-   [field
-    [constant
-     ["[0]" arity]]]])
+ [library
+  [lux {"-" Type}
+   [data
+    [text
+     ["%" format]]]
+   [target
+    [jvm
+     ["[0]" type (.only Type)
+      [category (.only Method)]]]]]]
+ [//
+  [field
+   [constant
+    ["[0]" arity]]]])
 
 ... (def: .public artifact_id
 ...   1)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/constant.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/constant.lux
index bccc114a9..f13d6d8d3 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/constant.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/constant.lux
@@ -6,12 +6,12 @@
      ["[0]" sequence]]]
    [target
     [jvm
-     ["[0]" field {"+" Field}]
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
-     [type {"+" Type}
-      [category {"+" Value}]]
+     ["[0]" field (.only Field)]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
+     [type (.only Type)
+      [category (.only Value)]]
      [constant
-      [pool {"+" Resource}]]]]]])
+      [pool (.only Resource)]]]]]])
 
 (def: modifier
   (Modifier Field)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/constant/arity.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/constant/arity.lux
index 1828fe5c1..9583f083a 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/constant/arity.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/constant/arity.lux
@@ -1,14 +1,14 @@
 (.using
-  [library
-   [lux {"-" type}
-    [target
-     [jvm
-      ["[0]" type]
-      [constant
-       [pool {"+" Resource}]]]]]]
-  ["[0]" //
-   [/////////
-    [arity {"+" Arity}]]])
+ [library
+  [lux {"-" type}
+   [target
+    [jvm
+     ["[0]" type]
+     [constant
+      [pool (.only Resource)]]]]]]
+ ["[0]" //
+  [/////////
+   [arity (.only Arity)]]])
 
 (def: .public minimum Arity 1)
 (def: .public maximum Arity 8)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable.lux
index 179fdb273..408e673cc 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable.lux
@@ -7,19 +7,19 @@
      ["[0]" sequence]]]
    [target
     [jvm
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
-     ["[0]" field {"+" Field}]
-     ["_" bytecode {"+" Bytecode}]
-     [type {"+" Type}
-      [category {"+" Value Class}]]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
+     ["[0]" field (.only Field)]
+     ["_" bytecode (.only Bytecode)]
+     [type (.only Type)
+      [category (.only Value Class)]]
      [constant
-      [pool {"+" Resource}]]]]]]
+      [pool (.only Resource)]]]]]]
  ["[0]" //// "_"
   ["[1][0]" type]
   ["[1][0]" reference]
   [//////
    [reference
-    [variable {"+" Register}]]]])
+    [variable (.only Register)]]]])
 
 (def: .public type ////type.value)
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/count.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/count.lux
index c3a960653..1c1224866 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/count.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/count.lux
@@ -5,10 +5,10 @@
     ["[0]" try]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode}]
+     ["_" bytecode (.only Bytecode)]
      ["[0]" type]
      [encoding
-      [name {"+" External}]
+      [name (.only External)]
       ["[0]" signed]]]]]]
  ["[0]" //// "_"
   ["[1][0]" abstract]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/foreign.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/foreign.lux
index 2aeeb2f49..e102e04dc 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/foreign.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/foreign.lux
@@ -1,26 +1,26 @@
 (.using
-  [library
-   [lux {"-" Type}
-    [data
-     [collection
-      ["[0]" list]]]
-    [target
-     [jvm
-      ["_" bytecode {"+" Bytecode}]
-      ["[0]" field {"+" Field}]
-      [constant
-       [pool {"+" Resource}]]
-      [type {"+" Type}
-       [category {"+" Value Class}]]]]]]
-  ["[0]" //
-   ["///[1]" //// "_"
-    ["[1][0]" reference]
-    [////
-     [analysis {"+" Environment}]
-     [synthesis {"+" Synthesis}]
-     [///
-      [reference
-       [variable {"+" Register}]]]]]])
+ [library
+  [lux {"-" Type}
+   [data
+    [collection
+     ["[0]" list]]]
+   [target
+    [jvm
+     ["_" bytecode (.only Bytecode)]
+     ["[0]" field (.only Field)]
+     [constant
+      [pool (.only Resource)]]
+     [type (.only Type)
+      [category (.only Value Class)]]]]]]
+ ["[0]" //
+  ["///[1]" //// "_"
+   ["[1][0]" reference]
+   [////
+    [analysis (.only Environment)]
+    [synthesis (.only Synthesis)]
+    [///
+     [reference
+      [variable (.only Register)]]]]]])
 
 (def: .public (closure environment)
   (-> (Environment Synthesis) (List (Type Value)))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/partial.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/partial.lux
index d6f86409c..4806c022e 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/partial.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/field/variable/partial.lux
@@ -11,12 +11,12 @@
      ["n" nat]]]
    [target
     [jvm
-     ["[0]" field {"+" Field}]
-     ["_" bytecode {"+" Bytecode} ("[1]#[0]" monad)]
-     [type {"+" Type}
-      [category {"+" Class}]]
+     ["[0]" field (.only Field)]
+     ["_" bytecode (.only Bytecode) ("[1]#[0]" monad)]
+     [type (.only Type)
+      [category (.only Class)]]
      [constant
-      [pool {"+" Resource}]]]]]]
+      [pool (.only Resource)]]]]]]
  ["[0]" //
   ["[1][0]" count]
   ["/[1]" // "_"
@@ -25,9 +25,9 @@
    ["//[1]" /// "_"
     ["[1][0]" reference]
     [//////
-     ["[0]" arity {"+" Arity}]
+     ["[0]" arity (.only Arity)]
      [reference
-      [variable {"+" Register}]]]]]])
+      [variable (.only Register)]]]]]])
 
 (def: .public (initial amount)
   (-> Nat (Bytecode Any))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method.lux
index e684f86bc..93f08dc46 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method.lux
@@ -3,8 +3,8 @@
   [lux "*"
    [target
     [jvm
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
-     ["[0]" method {"+" Method}]]]]])
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
+     ["[0]" method (.only Method)]]]]])
 
 (def: .public modifier
   (Modifier Method)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/apply.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/apply.lux
index e4b3c7802..873e2818a 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/apply.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/apply.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" Type Label type}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" try]]
    [data
@@ -15,14 +15,14 @@
      ["[0]" i32]]]
    [target
     [jvm
-     ["_" bytecode {"+" Label Bytecode} ("[1]#[0]" monad)]
-     ["[0]" method {"+" Method}]
+     ["_" bytecode (.only Label Bytecode) ("[1]#[0]" monad)]
+     ["[0]" method (.only Method)]
      [constant
-      [pool {"+" Resource}]]
+      [pool (.only Resource)]]
      [encoding
       ["[0]" signed]]
-     ["[0]" type {"+" Type}
-      ["[0]" category {"+" Class}]]]]]]
+     ["[0]" type (.only Type)
+      ["[0]" category (.only Class)]]]]]]
  ["[0]" //
   ["[1][0]" reset]
   ["[1][0]" implementation]
@@ -41,12 +41,12 @@
     ["[1][0]" value]
     ["[1][0]" reference]
     [////
-     [analysis {"+" Environment}]
-     [synthesis {"+" Synthesis}]
+     [analysis (.only Environment)]
+     [synthesis (.only Synthesis)]
      [///
-      [arity {"+" Arity}]
+      [arity (.only Arity)]
       [reference
-       [variable {"+" Register}]]]]]]])
+       [variable (.only Register)]]]]]]])
 
 (def: (increment by)
   (-> Nat (Bytecode Any))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/implementation.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/implementation.lux
index eb17c5044..9d5466340 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/implementation.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/implementation.lux
@@ -9,19 +9,19 @@
      ["n" nat]]]
    [target
     [jvm
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
-     ["[0]" method {"+" Method}]
-     ["_" bytecode {"+" Label Bytecode}]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
+     ["[0]" method (.only Method)]
+     ["_" bytecode (.only Label Bytecode)]
      [constant
-      [pool {"+" Resource}]]
-     ["[0]" type {"+" Type}
-      ["[0]" category {"+" Class}]]]]]]
+      [pool (.only Resource)]]
+     ["[0]" type (.only Type)
+      ["[0]" category (.only Class)]]]]]]
  ["[0]" //
   ["//[1]" /// "_"
    ["[0]" runtime]
    ["[1][0]" type]
    [//////
-    [arity {"+" Arity}]
+    [arity (.only Arity)]
     [meta
      [archive
       ["[0]" unit]]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/init.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/init.lux
index d909c1aaf..2613bda11 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/init.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/init.lux
@@ -13,14 +13,14 @@
      ["n" nat]]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode}]
-     ["[0]" method {"+" Method}]
+     ["_" bytecode (.only Bytecode)]
+     ["[0]" method (.only Method)]
      [encoding
       ["[0]" signed]]
      [constant
-      [pool {"+" Resource}]]
-     ["[0]" type {"+" Type}
-      ["[0]" category {"+" Class Value}]]]]]]
+      [pool (.only Resource)]]
+     ["[0]" type (.only Type)
+      ["[0]" category (.only Class Value)]]]]]]
  ["[0]" //
   ["[1][0]" implementation]
   ["/[1]" // "_"
@@ -35,12 +35,12 @@
     ["[1][0]" type]
     ["[1][0]" reference]
     [////
-     [analysis {"+" Environment}]
-     [synthesis {"+" Synthesis}]
+     [analysis (.only Environment)]
+     [synthesis (.only Synthesis)]
      [///
-      ["[0]" arity {"+" Arity}]
+      ["[0]" arity (.only Arity)]
       [reference
-       [variable {"+" Register}]]]]]]])
+       [variable (.only Register)]]]]]]])
 
 (def: .public name "<init>")
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/new.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/new.lux
index 06c0b32d3..9d05cc4f2 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/new.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/new.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" Type type}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     [collection
      ["[0]" list]]]
@@ -11,17 +11,17 @@
      ["n" nat]]]
    [target
     [jvm
-     ["[0]" field {"+" Field}]
-     ["[0]" method {"+" Method}]
-     ["_" bytecode {"+" Bytecode}]
+     ["[0]" field (.only Field)]
+     ["[0]" method (.only Method)]
+     ["_" bytecode (.only Bytecode)]
      ["[0]" constant
-      [pool {"+" Resource}]]
-     [type {"+" Type}
-      ["[0]" category {"+" Class Value Return}]]]]
+      [pool (.only Resource)]]
+     [type (.only Type)
+      ["[0]" category (.only Class Value Return)]]]]
    [tool
     [compiler
      [meta
-      ["[0]" archive {"+" Archive}]]]]]]
+      ["[0]" archive (.only Archive)]]]]]]
  ["[0]" //
   ["[1][0]" init]
   ["[1][0]" implementation]
@@ -33,14 +33,14 @@
      ["[1][0]" foreign]
      ["[1][0]" partial]]]
    ["/[1]" // "_"
-    [runtime {"+" Operation Phase}]
+    [runtime (.only Operation Phase)]
     ["[1][0]" value]
     ["[1][0]" reference]
     [////
-     [analysis {"+" Environment}]
-     [synthesis {"+" Synthesis}]
+     [analysis (.only Environment)]
+     [synthesis (.only Synthesis)]
      [///
-      ["[0]" arity {"+" Arity}]
+      ["[0]" arity (.only Arity)]
       ["[0]" phase]]]]]])
 
 (def: .public (instance' foreign_setup class environment arity)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/reset.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/reset.lux
index ea9f1fc21..31350c892 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/reset.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/function/method/reset.lux
@@ -6,12 +6,12 @@
      ["[0]" list ("[1]#[0]" functor)]]]
    [target
     [jvm
-     ["[0]" method {"+" Method}]
-     ["_" bytecode {"+" Bytecode}]
+     ["[0]" method (.only Method)]
+     ["_" bytecode (.only Bytecode)]
      [constant
-      [pool {"+" Resource}]]
-     ["[0]" type {"+" Type}
-      ["[0]" category {"+" Class}]]]]]]
+      [pool (.only Resource)]]
+     ["[0]" type (.only Type)
+      ["[0]" category (.only Class)]]]]]]
  ["[0]" //
   ["[1][0]" new]
   ["/[1]" // "_"
@@ -21,10 +21,10 @@
    ["/[1]" // "_"
     ["[1][0]" reference]
     [////
-     [analysis {"+" Environment}]
-     [synthesis {"+" Synthesis}]
+     [analysis (.only Environment)]
+     [synthesis (.only Synthesis)]
      [///
-      ["[0]" arity {"+" Arity}]]]]]])
+      ["[0]" arity (.only Arity)]]]]]])
 
 (def: .public name "reset")
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/host.lux
index d9f873984..dfa514d16 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/host.lux
@@ -1,36 +1,36 @@
 (.using
  [library
   [lux {"-" Definition}
-   ["[0]" ffi {"+" import: do_to object}]
+   ["[0]" ffi (.only import: do_to object)]
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" maybe]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]
-    ["[0]" io {"+" IO io}]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]
+    ["[0]" io (.only IO io)]
     [concurrency
-     ["[0]" atom {"+" Atom atom}]]]
+     ["[0]" atom (.only Atom atom)]]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" array]
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" sequence]]
     ["[0]" format "_"
      ["[1]" binary]]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode}]
-     ["[0]" loader {"+" Library}]
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
-     ["[0]" field {"+" Field}]
-     ["[0]" method {"+" Method}]
+     ["_" bytecode (.only Bytecode)]
+     ["[0]" loader (.only Library)]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
+     ["[0]" field (.only Field)]
+     ["[0]" method (.only Method)]
      ["[0]" version]
-     ["[0]" class {"+" Class}]
+     ["[0]" class (.only Class)]
      ["[0]" encoding "_"
       ["[1]/[0]" name]]
      ["[0]" type
@@ -38,11 +38,11 @@
    [tool
     [compiler
      [meta
-      [io {"+" lux_context}]
+      [io (.only lux_context)]
       [archive
        ["[0]" unit]]]]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Definition}]
+  ["[1][0]" runtime (.only Definition)]
   ["[1][0]" type]
   ["[1][0]" value]]
  )
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/loop.lux
index 167e22442..40a75189d 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/loop.lux
@@ -2,7 +2,7 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]]
    [data
@@ -14,17 +14,17 @@
      ["n" nat]]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode} ("[1]#[0]" monad)]]]]]
+     ["_" bytecode (.only Bytecode) ("[1]#[0]" monad)]]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" value]
   [////
-   ["[0]" synthesis {"+" Path Synthesis}]
+   ["[0]" synthesis (.only Path Synthesis)]
    ["[0]" generation]
    [///
     ["[0]" phase]
     [reference
-     [variable {"+" Register}]]]]])
+     [variable (.only Register)]]]]])
 
 (def: (invariant? register changeS)
   (-> Register Synthesis Bit)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/primitive.lux
index 21a10ad06..7a5b4d3eb 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/primitive.lux
@@ -1,9 +1,9 @@
 (.using
  [library
   [lux {"-" i64}
-   ["[0]" ffi {"+" import:}]
+   ["[0]" ffi (.only import:)]
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" try]]
    [macro
@@ -13,7 +13,7 @@
      ["i" int]]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode}]
+     ["_" bytecode (.only Bytecode)]
      ["[0]" type]
      [encoding
       ["[0]" signed]]]]]]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/program.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/program.lux
index dacdd2318..dea6eef5f 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/program.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/program.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" Definition}
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" try]]
    [data
@@ -12,11 +12,11 @@
      ["[1]" binary]]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode}]
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
-     ["[0]" method {"+" Method}]
+     ["_" bytecode (.only Bytecode)]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
+     ["[0]" method (.only Method)]
      ["[0]" version]
-     ["[0]" class {"+" Class}]
+     ["[0]" class (.only Class)]
      [encoding
       ["[0]" name]]
      ["[0]" type
@@ -25,12 +25,12 @@
     [compiler
      [language
       [lux
-       [program {"+" Program}]]]
+       [program (.only Program)]]]
      [meta
       [archive
        ["[0]" unit]]]]]]]
  ["[0]" //
-  ["[1][0]" runtime {"+" Definition}]
+  ["[1][0]" runtime (.only Definition)]
   ["[1][0]" function/abstract]])
 
 (def: ^Object
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/reference.lux
index 725952b30..7efa8cf7a 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/reference.lux
@@ -2,18 +2,18 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [data
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode}]
+     ["_" bytecode (.only Bytecode)]
      ["[0]" type]
      [encoding
       ["[0]" unsigned]]]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation}]
+  ["[1][0]" runtime (.only Operation)]
   ["[1][0]" value]
   ["[1][0]" type]
   ["//[1]" /// "_"
@@ -22,9 +22,9 @@
     [///
      ["[1]" phase ("operation#[0]" monad)]
      [reference
-      ["[0]" variable {"+" Register Variable}]]
+      ["[0]" variable (.only Register Variable)]]
      [meta
-      [archive {"+" Archive}]]]]]])
+      [archive (.only Archive)]]]]]])
 
 (def: .public this
   (Bytecode Any)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/runtime.lux
index cb82ec642..d8d310885 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/runtime.lux
@@ -2,12 +2,12 @@
  [library
   [lux {"-" Type Definition Label case false true try}
    [abstract
-    ["[0]" monad {"+" do}]
+    ["[0]" monad (.only do)]
     ["[0]" enum]]
    [control
     ["[0]" try]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
@@ -15,7 +15,7 @@
     ["[0]" format "_"
      ["[1]" binary]]
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [math
     [number
      ["n" nat]
@@ -25,18 +25,18 @@
     ["[0]" version]]
    [target
     ["[0]" jvm "_"
-     ["_" bytecode {"+" Label Bytecode}]
-     ["[0]" modifier {"+" Modifier} ("[1]#[0]" monoid)]
-     ["[0]" field {"+" Field}]
-     ["[0]" method {"+" Method}]
+     ["_" bytecode (.only Label Bytecode)]
+     ["[0]" modifier (.only Modifier) ("[1]#[0]" monoid)]
+     ["[0]" field (.only Field)]
+     ["[0]" method (.only Method)]
      ["[1]/[0]" version]
-     ["[0]" class {"+" Class}]
+     ["[0]" class (.only Class)]
      ["[0]" constant
-      [pool {"+" Resource}]]
+      [pool (.only Resource)]]
      [encoding
       ["[0]" name]]
-     ["[0]" type {"+" Type}
-      ["[0]" category {"+" Return' Value'}]
+     ["[0]" type (.only Type)
+      ["[0]" category (.only Return' Value')]
       ["[0]" reflection]]]]]]
  ["[0]" // "_"
   ["[1][0]" type]
@@ -54,14 +54,14 @@
     ["[0]" generation]
     [///
      ["[1]" phase]
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      [reference
-      [variable {"+" Register}]]
+      [variable (.only Register)]]
      [meta
-      [io {"+" lux_context}]
-      [archive {"+" Output Archive}
+      [io (.only lux_context)]
+      [archive (.only Output Archive)
        ["[0]" artifact]
-       ["[0]" registry {"+" Registry}]
+       ["[0]" registry (.only Registry)]
        ["[0]" unit]]]]]]])
 
 (type: .public Byte_Code
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/structure.lux
index 4b0b2c145..911aa4f34 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/structure.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" Variant Tuple}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" try]]
    [data
@@ -13,18 +13,18 @@
      ["[0]" i32]]]
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode}]
+     ["_" bytecode (.only Bytecode)]
      ["[0]" type]
      [encoding
       ["[0]" signed]]]]]]
  ["[0]" // "_"
   ["[1][0]" type]
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" primitive]
   ["///[1]" //// "_"
-   ["[1][0]" synthesis {"+" Synthesis}]
+   ["[1][0]" synthesis (.only Synthesis)]
    [analysis
-    [complex {"+" Variant Tuple}]]
+    [complex (.only Variant Tuple)]]
    [///
     ["[0]" phase]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/value.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/value.lux
index e40b7d122..358df556e 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/value.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/jvm/value.lux
@@ -3,9 +3,9 @@
   [lux {"-" Type Primitive type}
    [target
     [jvm
-     ["_" bytecode {"+" Bytecode}]
-     ["[0]" type {"+" Type} ("[1]#[0]" equivalence)
-      [category {"+" Primitive}]
+     ["_" bytecode (.only Bytecode)]
+     ["[0]" type (.only Type) ("[1]#[0]" equivalence)
+      [category (.only Primitive)]
       ["[0]" box]]]]]])
 
 (def: .public field "value")
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua.lux
index 6493ea02a..d32c9cf0b 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua.lux
@@ -2,15 +2,15 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [macro
     ["^" pattern]]
    [target
     ["_" lua]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase}]
+  [runtime (.only Phase)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
@@ -25,12 +25,12 @@
       [lua
        ["[1]/[0]" common]]]]
     ["/[1]" // "_"
-     [analysis {"+" }]
+     [analysis (.only)]
      ["[0]" synthesis]
      ["//[1]" /// "_"
       ["[1][0]" phase ("[1]#[0]" monad)]
-      [reference {"+" }
-       [variable {"+" }]]]]]]])
+      [reference (.only)
+       [variable (.only)]]]]]]])
 
 (exception: .public cannot_recur_as_an_expression)
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/case.lux
index 18776639d..7fd901461 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/case.lux
@@ -2,19 +2,19 @@
  [library
   [lux {"-" case exec let if}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
    [macro
     ["^" pattern]]
    [target
-    ["_" lua {"+" Expression Var Statement}]]]]
+    ["_" lua (.only Expression Var Statement)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Phase! Generator Generator!}]
+  ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)]
   ["[1][0]" reference]
   ["[1][0]" primitive]
   ["/[1]" // "_"
@@ -23,16 +23,16 @@
     ["[1][0]" synthesis "_"
      ["[1]/[0]" case]]
     ["/[1]" // "_"
-     ["[1][0]" synthesis {"+" Synthesis Path}
+     ["[1][0]" synthesis (.only Synthesis Path)
       [access
-       ["[0]" member {"+" Member}]]]
+       ["[0]" member (.only Member)]]]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       [reference
-       ["[1][0]" variable {"+" Register}]]
+       ["[1][0]" variable (.only Register)]]
       ["[1][0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}]]]]]]])
+       [archive (.only Archive)]]]]]]])
 
 (def: .public register
   (-> Register Var)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/function.lux
index de0387fd7..2d71b0fd5 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/function.lux
@@ -2,27 +2,27 @@
  [library
   [lux {"-" Label function}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]]]
    [target
-    ["_" lua {"+" Var Expression Label Statement}]]]]
+    ["_" lua (.only Var Expression Label Statement)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Phase! Generator}]
+  ["[1][0]" runtime (.only Operation Phase Phase! Generator)]
   ["[1][0]" reference]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    [analysis {"+" Abstraction Reification Analysis}]
-    [synthesis {"+" Synthesis}]
+    [analysis (.only Abstraction Reification Analysis)]
+    [synthesis (.only Synthesis)]
     ["[1][0]" generation]
     ["//[1]" /// "_"
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      ["[1][0]" phase ("[1]#[0]" monad)]
      [meta
       [archive
@@ -31,7 +31,7 @@
        [dependency
         ["[1]" artifact]]]]
      [reference
-      [variable {"+" Register Variable}]]]]]])
+      [variable (.only Register Variable)]]]]]])
 
 (def: .public (apply expression archive [functionS argsS+])
   (Generator (Reification Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/loop.lux
index 9883feaaf..55cf46cca 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/loop.lux
@@ -2,11 +2,11 @@
  [library
   [lux {"-" Label Scope}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" set]]]
@@ -14,24 +14,24 @@
     [number
      ["n" nat]]]
    [target
-    ["_" lua {"+" Var Expression Label Statement}]]]]
+    ["_" lua (.only Var Expression Label Statement)]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Phase! Generator Generator!}]
+  [runtime (.only Operation Phase Phase! Generator Generator!)]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    ["[0]"synthesis {"+" Scope Synthesis}]
+    ["[0]"synthesis (.only Scope Synthesis)]
     ["[1][0]" generation]
     ["//[1]" /// "_"
      ["[1][0]" phase]
      [meta
-      [archive {"+" Archive}]
+      [archive (.only Archive)]
       ["[0]" cache "_"
        [dependency
         ["[1]" artifact]]]]
      [reference
-      [variable {"+" Register}]]]]]])
+      [variable (.only Register)]]]]]])
 
 (def: @scope
   (-> Nat Label)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/primitive.lux
index 556371e6a..50535a1a4 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/primitive.lux
@@ -1,8 +1,8 @@
 (.using
-  [library
-   [lux {"-" i64}
-    [target
-     ["_" lua {"+" Literal}]]]])
+ [library
+  [lux {"-" i64}
+   [target
+    ["_" lua (.only Literal)]]]])
 
 (template [<name> <type> <implementation>]
   [(def: .public <name>
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/reference.lux
index f3ff385ae..7cff5ed07 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/reference.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"
-    [target
-     ["_" lua {"+" Expression}]]]]
-  [///
-   [reference {"+" System}]])
+ [library
+  [lux "*"
+   [target
+    ["_" lua (.only Expression)]]]]
+ [///
+  [reference (.only System)]])
 
 (implementation: .public system
   (System Expression)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/runtime.lux
index 9864bd037..149d5d333 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/runtime.lux
@@ -3,7 +3,7 @@
   [lux {"-" Label Location}
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
@@ -11,32 +11,32 @@
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" sequence]]]
    ["[0]" macro
-    [syntax {"+" syntax:}]
+    [syntax (.only syntax:)]
     ["[0]" code]]
    [math
-    [number {"+" hex}
+    [number (.only hex)
      ["[0]" i64]]]
    ["@" target
-    ["_" lua {"+" Expression Location Var Computation Literal Label Statement}]]]]
+    ["_" lua (.only Expression Location Var Computation Literal Label Statement)]]]]
  ["[0]" /// "_"
   ["[1][0]" reference]
   ["//[1]" /// "_"
-   ["[1][0]" synthesis {"+" Synthesis}]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["[1][0]" generation]
    ["//[1]" ///
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]
+     [variable (.only Register)]]
     [meta
-     [archive {"+" Output Archive}
-      ["[0]" registry {"+" Registry}]
+     [archive (.only Output Archive)
+      ["[0]" registry (.only Registry)]
       ["[0]" unit]]]]]])
 
 (template [<name> <base>]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/structure.lux
index 80028d75e..e1d8961f8 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/lua/structure.lux
@@ -2,16 +2,16 @@
  [library
   [lux {"-" Tuple Variant}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [target
-    ["_" lua {"+" Expression}]]]]
+    ["_" lua (.only Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" primitive]
   ["///[1]" //// "_"
-   ["[1][0]" synthesis {"+" Synthesis}]
+   ["[1][0]" synthesis (.only Synthesis)]
    [analysis
-    [complex {"+" Variant Tuple}]]
+    [complex (.only Variant Tuple)]]
    ["//[1]" /// "_"
     ["[1][0]" phase ("[1]#[0]" monad)]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php.lux
index 460350507..c878aa282 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php.lux
@@ -2,15 +2,15 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [macro
     ["^" pattern]]
    [target
     ["_" php]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase Phase!}]
+  [runtime (.only Phase Phase!)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
@@ -22,12 +22,12 @@
    ["/[1]" // "_"
     ["[1][0]" extension]
     ["/[1]" // "_"
-     [analysis {"+" }]
+     [analysis (.only)]
      ["[1][0]" synthesis]
      ["//[1]" /// "_"
       ["[1][0]" phase ("[1]#[0]" monad)]
-      [reference {"+"}
-       [variable {"+"}]]]]]]])
+      [reference (.only)
+       [variable (.only)]]]]]]])
 
 (def: (statement expression archive synthesis)
   Phase!
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/case.lux
index c950b555c..52c5a626e 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/case.lux
@@ -2,11 +2,11 @@
  [library
   [lux {"-" case let if}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
@@ -16,9 +16,9 @@
     [number
      ["i" int]]]
    [target
-    ["_" php {"+" Expression Var Statement}]]]]
+    ["_" php (.only Expression Var Statement)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Phase! Generator Generator!}]
+  ["[1][0]" runtime (.only Operation Phase Phase! Generator Generator!)]
   ["[1][0]" reference]
   ["[1][0]" primitive]
   ["/[1]" // "_"
@@ -27,14 +27,14 @@
     ["[1][0]" synthesis "_"
      ["[1]/[0]" case]]
     ["/[1]" // "_"
-     ["[1][0]" synthesis {"+" Member Synthesis Path}]
+     ["[1][0]" synthesis (.only Member Synthesis Path)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       [reference
-       ["[1][0]" variable {"+" Register}]]
+       ["[1][0]" variable (.only Register)]]
       ["[1][0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}]]]]]]])
+       [archive (.only Archive)]]]]]]])
 
 (def: .public register
   (-> Register Var)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/extension.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/extension.lux
index 1a041edc1..8c2e01506 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/extension.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/extension.lux
@@ -1,13 +1,13 @@
 (.using
-  [library
-   [lux "*"
-    [data
-     [collection
-      ["[0]" dictionary]]]]]
-  [//
-   [runtime {"+" Bundle}]]
-  [/
-   ["[0]" common]])
+ [library
+  [lux "*"
+   [data
+    [collection
+     ["[0]" dictionary]]]]]
+ [//
+  [runtime (.only Bundle)]]
+ [/
+  ["[0]" common]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/extension/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/extension/common.lux
index c52d69b22..e0549236f 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/extension/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/extension/common.lux
@@ -2,7 +2,7 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]]
    [data
@@ -13,13 +13,13 @@
     [collection
      ["[0]" dictionary]]]
    [target
-    ["_" php {"+" Expression}]]]]
+    ["_" php (.only Expression)]]]]
  ["[0]" /// "_"
-  ["[1][0]" runtime {"+" Operation Phase Handler Bundle}]
+  ["[1][0]" runtime (.only Operation Phase Handler Bundle)]
   ["[1][0]" primitive]
   [//
-   [extension {"+" Nullary Unary Binary Trinary
-               nullary unary binary trinary}]
+   [extension (.only Nullary Unary Binary Trinary
+                     nullary unary binary trinary)]
    [//
     [extension
      ["[0]" bundle]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/function.lux
index e9cc9f517..7dfe4b9d0 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/function.lux
@@ -2,32 +2,32 @@
  [library
   [lux {"-" Global function}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     pipe]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]]]
    [target
-    ["_" php {"+" Var Global Expression Argument Label Statement}]]]]
+    ["_" php (.only Var Global Expression Argument Label Statement)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Phase! Generator}]
+  ["[1][0]" runtime (.only Operation Phase Phase! Generator)]
   ["[1][0]" reference]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    [analysis {"+" Variant Tuple Abstraction Application Analysis}]
-    [synthesis {"+" Synthesis}]
-    ["[1][0]" generation {"+" Context}]
+    [analysis (.only Variant Tuple Abstraction Application Analysis)]
+    [synthesis (.only Synthesis)]
+    ["[1][0]" generation (.only Context)]
     ["//[1]" /// "_"
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      ["[1][0]" phase ("[1]#[0]" monad)]
      [reference
-      [variable {"+" Register Variable}]]]]]])
+      [variable (.only Register Variable)]]]]]])
 
 (def: .public (apply expression archive [functionS argsS+])
   (Generator (Application Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/loop.lux
index 3c12092c7..53d726bc2 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/loop.lux
@@ -2,21 +2,21 @@
  [library
   [lux {"-" Scope}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [math
     [number
      ["n" nat]]]
    [target
-    ["_" php {"+" Var Expression Label Statement}]]]]
+    ["_" php (.only Var Expression Label Statement)]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Phase! Generator Generator!}]
+  [runtime (.only Operation Phase Phase! Generator Generator!)]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
@@ -24,14 +24,14 @@
     [synthesis
      ["[0]" case]]
     ["/[1]" // "_"
-     ["[0]"synthesis {"+" Scope Synthesis}]
+     ["[0]"synthesis (.only Scope Synthesis)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       ["[1][0]" phase]
       [meta
-       [archive {"+" Archive}]]
+       [archive (.only Archive)]]
       [reference
-       [variable {"+" Register}]]]]]]])
+       [variable (.only Register)]]]]]]])
 
 (def: @scope
   (-> Nat Label)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/primitive.lux
index e5cc82537..635d2e7f4 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/primitive.lux
@@ -1,13 +1,13 @@
 (.using
-  [library
-   [lux {"-" i64}
-    [math
-     [number
-      ["[0]" frac]]]
-    [target
-     ["_" php {"+" Literal Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" runtime]])
+ [library
+  [lux {"-" i64}
+   [math
+    [number
+     ["[0]" frac]]]
+   [target
+    ["_" php (.only Literal Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" runtime]])
 
 (def: .public bit
   (-> Bit Literal)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/reference.lux
index 501bd515a..e76d2104b 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/reference.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"
-    [target
-     ["_" php {"+" Expression}]]]]
-  [///
-   [reference {"+" System}]])
+ [library
+  [lux "*"
+   [target
+    ["_" php (.only Expression)]]]]
+ [///
+  [reference (.only System)]])
 
 (implementation: .public system
   (System Expression)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/runtime.lux
index d8885e026..0e3d6b9d2 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/runtime.lux
@@ -3,7 +3,7 @@
   [lux {"-" Location}
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
@@ -11,32 +11,32 @@
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" sequence]]]
    ["[0]" macro
-    [syntax {"+" syntax:}]
+    [syntax (.only syntax:)]
     ["[0]" code]]
    [math
-    [number {"+" hex}
+    [number (.only hex)
      ["[0]" i64]]]
    ["@" target
-    ["_" php {"+" Expression Label Constant Var Computation Literal Statement}]]]]
+    ["_" php (.only Expression Label Constant Var Computation Literal Statement)]]]]
  ["[0]" /// "_"
   ["[1][0]" reference]
   ["//[1]" /// "_"
-   ["[1][0]" synthesis {"+" Synthesis}]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["[1][0]" generation]
    ["//[1]" ///
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]
+     [variable (.only Register)]]
     [meta
-     [archive {"+" Output Archive}
-      ["[0]" artifact {"+" Registry}]]]]]])
+     [archive (.only Output Archive)
+      ["[0]" artifact (.only Registry)]]]]]])
 
 (template [<name> <base>]
   [(type: .public <name>
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/structure.lux
index 13d0bb252..7d037a703 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/php/structure.lux
@@ -1,21 +1,21 @@
 (.using
-  [library
-   [lux "*"
-    [abstract
-     ["[0]" monad {"+" do}]]
-    [data
-     [collection
-      ["[0]" list]]]
-    [target
-     ["_" php {"+" Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" runtime {"+" Operation Phase Generator}]
-   ["[1][0]" primitive]
-   ["///[1]" //// "_"
-    [analysis {"+" Variant Tuple}]
-    ["[1][0]" synthesis {"+" Synthesis}]
-    ["//[1]" /// "_"
-     ["[1][0]" phase ("[1]#[0]" monad)]]]])
+ [library
+  [lux "*"
+   [abstract
+    ["[0]" monad (.only do)]]
+   [data
+    [collection
+     ["[0]" list]]]
+   [target
+    ["_" php (.only Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" runtime (.only Operation Phase Generator)]
+  ["[1][0]" primitive]
+  ["///[1]" //// "_"
+   [analysis (.only Variant Tuple)]
+   ["[1][0]" synthesis (.only Synthesis)]
+   ["//[1]" /// "_"
+    ["[1][0]" phase ("[1]#[0]" monad)]]]])
 
 (def: .public (tuple expression archive elemsS+)
   (Generator (Tuple Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python.lux
index 7e620b07a..0ae118a09 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python.lux
@@ -2,15 +2,15 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [macro
     ["^" pattern]]
    [target
     ["_" python]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase}]
+  [runtime (.only Phase)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
@@ -25,12 +25,12 @@
       [python
        ["[1]/[0]" common]]]]
     ["/[1]" // "_"
-     [analysis {"+" }]
+     [analysis (.only)]
      ["[1][0]" synthesis]
      ["//[1]" /// "_"
       ["[1][0]" phase ("[1]#[0]" monad)]
-      [reference {"+"}
-       [variable {"+"}]]]]]]])
+      [reference (.only)
+       [variable (.only)]]]]]]])
 
 (exception: .public cannot_recur_as_an_expression)
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/case.lux
index 19d8dd56d..ce77bab09 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/case.lux
@@ -2,10 +2,10 @@
  [library
   [lux {"-" case exec let if symbol}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
@@ -16,9 +16,9 @@
      ["n" nat]
      ["i" int]]]
    [target
-    ["_" python {"+" Expression SVar Statement}]]]]
+    ["_" python (.only Expression SVar Statement)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator Phase! Generator!}]
+  ["[1][0]" runtime (.only Operation Phase Generator Phase! Generator!)]
   ["[1][0]" reference]
   ["[1][0]" primitive]
   ["/[1]" // "_"
@@ -28,15 +28,15 @@
      ["[0]" case]]
     ["/[1]" // "_"
      ["[1][0]" generation]
-     ["[1][0]" synthesis {"+" Synthesis Path}
+     ["[1][0]" synthesis (.only Synthesis Path)
       [access
-       ["[0]" member {"+" Member}]]]
+       ["[0]" member (.only Member)]]]
      ["//[1]" /// "_"
       [reference
-       ["[1][0]" variable {"+" Register}]]
+       ["[1][0]" variable (.only Register)]]
       ["[1][0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}]
+       [archive (.only Archive)]
        ["[0]" cache "_"
         [dependency
          ["[1]" artifact]]]]]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/function.lux
index 4f959f01c..89320db4f 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/function.lux
@@ -2,33 +2,33 @@
  [library
   [lux {"-" function}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]]]
    [target
-    ["_" python {"+" SVar Expression Statement}]]]]
+    ["_" python (.only SVar Expression Statement)]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Generator Phase! Generator!}]
+  [runtime (.only Operation Phase Generator Phase! Generator!)]
   ["[1][0]" reference]
   ["[1][0]" case]
   ["[1][0]" loop]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    [analysis {"+" Environment Abstraction Reification Analysis}]
-    [synthesis {"+" Synthesis}]
+    [analysis (.only Environment Abstraction Reification Analysis)]
+    [synthesis (.only Synthesis)]
     ["[1][0]" generation]
     ["//[1]" /// "_"
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      ["[1][0]" phase]
      [reference
-      [variable {"+" Register Variable}]]
+      [variable (.only Register Variable)]]
      [meta
-      [archive {"+" Archive}
+      [archive (.only Archive)
        ["[0]" artifact]]
       ["[0]" cache "_"
        [dependency
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/loop.lux
index 12f34891b..c54db23c1 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/loop.lux
@@ -2,11 +2,11 @@
  [library
   [lux {"-" Scope}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
@@ -14,9 +14,9 @@
     [number
      ["n" nat]]]
    [target
-    ["_" python {"+" Expression SVar Statement}]]]]
+    ["_" python (.only Expression SVar Statement)]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Generator Phase! Generator!}]
+  [runtime (.only Operation Phase Generator Phase! Generator!)]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
@@ -24,7 +24,7 @@
     [synthesis
      ["[0]" case]]
     ["/[1]" // "_"
-     ["[0]" synthesis {"+" Scope Synthesis}]
+     ["[0]" synthesis (.only Scope Synthesis)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       ["[1][0]" phase]
@@ -33,7 +33,7 @@
         [dependency
          ["[1]" artifact]]]]
       [reference
-       ["[1][0]" variable {"+" Register}]]]]]]])
+       ["[1][0]" variable (.only Register)]]]]]]])
 
 (def: (setup offset bindings body)
   (-> Register (List (Expression Any)) (Statement Any) (Statement Any))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/primitive.lux
index 803590ccb..b1d78eb68 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/primitive.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux {"-" i64}
-    [target
-     ["_" python {"+" Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" runtime]])
+ [library
+  [lux {"-" i64}
+   [target
+    ["_" python (.only Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" runtime]])
 
 (template [<type> <name> <implementation>]
   [(def: .public <name>
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/reference.lux
index 10dcfeec9..18d5a1b74 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/reference.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"
-    [target
-     ["_" python {"+" Expression}]]]]
-  [///
-   [reference {"+" System}]])
+ [library
+  [lux "*"
+   [target
+    ["_" python (.only Expression)]]]]
+ [///
+  [reference (.only System)]])
 
 (implementation: .public system
   (System (Expression Any))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/runtime.lux
index ae9c18e2e..6a5969112 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/runtime.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" ++}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
@@ -10,35 +10,35 @@
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" sequence]]]
    ["[0]" macro
-    [syntax {"+" syntax:}]
+    [syntax (.only syntax:)]
     ["[0]" code]]
    [math
-    [number {"+" hex}
+    [number (.only hex)
      ["f" frac]
      ["[0]" i64]]]
    ["[0]" meta
     ["[0]" version]]
    ["@" target
-    ["_" python {"+" Expression SVar Computation Literal Statement}]]]]
+    ["_" python (.only Expression SVar Computation Literal Statement)]]]]
  ["[0]" /// "_"
   ["[1][0]" reference]
   ["//[1]" /// "_"
-   ["[1][0]" synthesis {"+" Synthesis}]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["[1][0]" generation]
    ["//[1]" ///
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]
+     [variable (.only Register)]]
     [meta
-     [archive {"+" Output Archive}
-      ["[0]" registry {"+" Registry}]
+     [archive (.only Output Archive)
+      ["[0]" registry (.only Registry)]
       ["[0]" unit]]]]]])
 
 (template [<name> <base>]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/structure.lux
index fc59e133d..8b2b2ab49 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/python/structure.lux
@@ -2,16 +2,16 @@
  [library
   [lux {"-" Variant Tuple}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [target
-    ["_" python {"+" Expression}]]]]
+    ["_" python (.only Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" primitive]
   ["///[1]" //// "_"
    [analysis
-    [complex {"+" Variant Tuple}]]
-   ["[1][0]" synthesis {"+" Synthesis}]
+    [complex (.only Variant Tuple)]]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["//[1]" /// "_"
     ["[1][0]" phase ("[1]#[0]" monad)]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r.lux
index ff391b986..9d210e9cd 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r.lux
@@ -2,13 +2,13 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [macro
     ["^" pattern]]
    [target
     ["_" r]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase}]
+  [runtime (.only Phase)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
@@ -20,12 +20,12 @@
    ["/[1]" // "_"
     ["[1][0]" extension]
     ["/[1]" // "_"
-     [analysis {"+" }]
+     [analysis (.only)]
      ["[1][0]" synthesis]
      ["//[1]" /// "_"
       ["[1][0]" phase ("[1]#[0]" monad)]
-      [reference {"+"}
-       [variable {"+"}]]]]]]])
+      [reference (.only)
+       [variable (.only)]]]]]]])
 
 (def: .public (generate archive synthesis)
   Phase
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/case.lux
index 21e45438d..7ea33bdea 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/case.lux
@@ -2,11 +2,11 @@
  [library
   [lux {"-" case let if}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
@@ -17,9 +17,9 @@
     [number
      ["i" int]]]
    [target
-    ["_" r {"+" Expression SVar}]]]]
+    ["_" r (.only Expression SVar)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" reference]
   ["[1][0]" primitive]
   ["/[1]" // "_"
@@ -28,14 +28,14 @@
     ["[1][0]" synthesis "_"
      ["[1]/[0]" case]]
     ["/[1]" // "_"
-     ["[1][0]" synthesis {"+" Member Synthesis Path}]
+     ["[1][0]" synthesis (.only Member Synthesis Path)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       [reference
-       ["[1][0]" variable {"+" Register}]]
+       ["[1][0]" variable (.only Register)]]
       ["[1][0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}]]]]]]])
+       [archive (.only Archive)]]]]]]])
 
 (def: .public register
   (-> Register SVar)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/function.lux
index 11a7de8ab..c5927a154 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/function.lux
@@ -2,32 +2,32 @@
  [library
   [lux {"-" function}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     pipe]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]]]
    [target
-    ["_" r {"+" Expression SVar}]]]]
+    ["_" r (.only Expression SVar)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" reference]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    [analysis {"+" Variant Tuple Abstraction Application Analysis}]
-    [synthesis {"+" Synthesis}]
-    ["[1][0]" generation {"+" Context}]
+    [analysis (.only Variant Tuple Abstraction Application Analysis)]
+    [synthesis (.only Synthesis)]
+    ["[1][0]" generation (.only Context)]
     ["//[1]" /// "_"
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      ["[1][0]" phase ("[1]#[0]" monad)]
      [reference
-      [variable {"+" Register Variable}]]
+      [variable (.only Register Variable)]]
      [meta
       [archive
        ["[0]" artifact]]]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/loop.lux
index 192386b79..79fe2f4db 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/loop.lux
@@ -2,21 +2,21 @@
  [library
   [lux {"-" Scope}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [math
     [number
      ["n" nat]]]
    [target
     ["_" r]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Generator}]
+  [runtime (.only Operation Phase Generator)]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
@@ -24,14 +24,14 @@
     [synthesis
      ["[0]" case]]
     ["/[1]" // "_"
-     ["[0]"synthesis {"+" Scope Synthesis}]
+     ["[0]"synthesis (.only Scope Synthesis)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       ["[1][0]" phase]
       [meta
-       [archive {"+" Archive}]]
+       [archive (.only Archive)]]
       [reference
-       [variable {"+" Register}]]]]]]])
+       [variable (.only Register)]]]]]]])
 
 (def: .public (scope expression archive [offset initsS+ bodyS])
   (Generator (Scope Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/primitive.lux
index f79e73f4e..d9547c1c0 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/primitive.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux {"-" i64}
-    [target
-     ["_" r {"+" Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" runtime]])
+ [library
+  [lux {"-" i64}
+   [target
+    ["_" r (.only Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" runtime]])
 
 (template [<name> <type> <code>]
   [(def: .public <name>
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/procedure/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/procedure/common.lux
index 9993054a4..4ec4330d9 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/procedure/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/procedure/common.lux
@@ -1,23 +1,23 @@
 (.using
  lux
  (lux (control [library
-                [monad {"+" do}]]
-               ["ex" exception {"+" exception:}]
+                [monad (.only do)]]
+               ["ex" exception (.only exception:)]
                ["p" parser])
       (data ["e" error]
             [text]
             text/format
             [number]
             (coll [list "list/" Functor<List>]
-                  (dictionary ["dict" unordered {"+" Dict}])))
-      [macro {"+" with_symbols}]
+                  (dictionary ["dict" unordered (.only Dict)])))
+      [macro (.only with_symbols)]
       (macro [code]
-             ["s" syntax {"+" syntax:}])
+             ["s" syntax (.only syntax:)])
       [host])
  (luxc ["&" lang]
        (lang ["la" analysis]
              ["ls" synthesis]
-             (host [r {"+" Expression}])))
+             (host [r (.only Expression)])))
  [///]
  (/// ["[0]T" runtime]
       ["[0]T" case]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/procedure/host.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/procedure/host.lux
index e1b8b84e6..ece7d2035 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/procedure/host.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/procedure/host.lux
@@ -1,16 +1,16 @@
 (.using
  lux
  (lux (control [library
-                [monad {"+" do}]])
+                [monad (.only do)]])
       (data [text]
             text/format
             (coll [list "list/" Functor<List>]
-                  (dictionary ["dict" unordered {"+" Dict}])))
+                  (dictionary ["dict" unordered (.only Dict)])))
       [macro "macro/" Monad<Meta>])
  (luxc ["&" lang]
        (lang ["la" analysis]
              ["ls" synthesis]
-             (host [ruby {"+" Ruby Expression Statement}])))
+             (host [ruby (.only Ruby Expression Statement)])))
  [///]
  (/// ["[0]T" runtime])
  (// ["@" common]))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/reference.lux
index eaedbb167..fd0d1d563 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/reference.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"
-    [target
-     ["_" r {"+" Expression}]]]]
-  [///
-   [reference {"+" System}]])
+ [library
+  [lux "*"
+   [target
+    ["_" r (.only Expression)]]]]
+ [///
+  [reference (.only System)]])
 
 (implementation: .public system
   (System Expression)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/runtime.lux
index acb12a286..50695a8a4 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/runtime.lux
@@ -3,7 +3,7 @@
   [lux {"-" Location ++ i64}
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
@@ -11,35 +11,35 @@
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" sequence]]]
    ["[0]" macro
-    [syntax {"+" syntax:}]
+    [syntax (.only syntax:)]
     ["[0]" code]]
    [math
-    [number {"+" hex}
+    [number (.only hex)
      ["n" nat]
      ["i" int ("[1]#[0]" interval)]
      ["[0]" i64]]]
    ["@" target
-    ["_" r {"+" SVar Expression}]]]]
+    ["_" r (.only SVar Expression)]]]]
  ["[0]" /// "_"
   ["[1][0]" reference]
   ["//[1]" /// "_"
-   [analysis {"+" Variant}]
-   ["[1][0]" synthesis {"+" Synthesis}]
+   [analysis (.only Variant)]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["[1][0]" generation]
    ["//[1]" ///
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]
+     [variable (.only Register)]]
     [meta
-     [archive {"+" Output Archive}
-      ["[0]" artifact {"+" Registry}]]]]]])
+     [archive (.only Output Archive)
+      ["[0]" artifact (.only Registry)]]]]]])
 
 (def: module_id
   0)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/structure.lux
index 2a11e41dc..1ab7f9a6f 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/r/structure.lux
@@ -1,21 +1,21 @@
 (.using
-  [library
-   [lux "*"
-    [abstract
-     ["[0]" monad {"+" do}]]
-    [data
-     [collection
-      ["[0]" list]]]
-    [target
-     ["_" r {"+" Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" runtime {"+" Operation Phase Generator}]
-   ["[1][0]" primitive]
-   ["///[1]" //// "_"
-    [analysis {"+" Variant Tuple}]
-    ["[1][0]" synthesis {"+" Synthesis}]
-    ["//[1]" /// "_"
-     ["[1][0]" phase ("[1]#[0]" monad)]]]])
+ [library
+  [lux "*"
+   [abstract
+    ["[0]" monad (.only do)]]
+   [data
+    [collection
+     ["[0]" list]]]
+   [target
+    ["_" r (.only Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" runtime (.only Operation Phase Generator)]
+  ["[1][0]" primitive]
+  ["///[1]" //// "_"
+   [analysis (.only Variant Tuple)]
+   ["[1][0]" synthesis (.only Synthesis)]
+   ["//[1]" /// "_"
+    ["[1][0]" phase ("[1]#[0]" monad)]]]])
 
 (def: .public (tuple expression archive elemsS+)
   (Generator (Tuple Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/reference.lux
index 79ed4680c..453b73b29 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/reference.lux
@@ -4,17 +4,17 @@
    ["@" target]
    [data
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [meta
     ["[0]" version]]]]
  ["[0]" //// "_"
   ["[1][0]" generation]
   ["//[1]" /// "_"
    ["[0]" phase ("[1]#[0]" monad)]
-   ["[0]" reference {"+" Reference}
-    ["[0]" variable {"+" Register Variable}]]
+   ["[0]" reference (.only Reference)
+    ["[0]" variable (.only Register Variable)]]
    [meta
-    [archive {"+" Archive}
+    [archive (.only Archive)
      ["[0]" unit]]]]])
 
 ... This universe constant is for languages where one can't just turn all compiled definitions
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby.lux
index 8e8da02ef..c330b48e7 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby.lux
@@ -2,15 +2,15 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [macro
     ["^" pattern]]
    [target
     ["_" ruby]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase Phase!}]
+  [runtime (.only Phase Phase!)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
@@ -25,12 +25,12 @@
       [ruby
        ["[1]/[0]" common]]]]
     ["/[1]" // "_"
-     [analysis {"+" }]
+     [analysis (.only)]
      ["[1][0]" synthesis]
      ["//[1]" /// "_"
       ["[1][0]" phase ("[1]#[0]" monad)]
-      [reference {"+" }
-       [variable {"+" }]]]]]]])
+      [reference (.only)
+       [variable (.only)]]]]]]])
 
 (exception: .public cannot_recur_as_an_expression)
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/case.lux
index 260ca2b06..3f7148bc1 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/case.lux
@@ -2,12 +2,12 @@
  [library
   [lux {"-" case exec let if symbol}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
-    [exception {"+" exception:}]]
+    [exception (.only exception:)]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
@@ -18,9 +18,9 @@
      ["n" nat]
      ["i" int]]]
    [target
-    ["_" ruby {"+" Expression LVar Statement}]]]]
+    ["_" ruby (.only Expression LVar Statement)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator Phase! Generator!}]
+  ["[1][0]" runtime (.only Operation Phase Generator Phase! Generator!)]
   ["[1][0]" reference]
   ["[1][0]" primitive]
   ["/[1]" // "_"
@@ -30,15 +30,15 @@
      ["[0]" case]]
     ["/[1]" // "_"
      ["[1][0]" generation]
-     ["[1][0]" synthesis {"+" Synthesis Path}
+     ["[1][0]" synthesis (.only Synthesis Path)
       [access
-       ["[0]" member {"+" Member}]]]
+       ["[0]" member (.only Member)]]]
      ["//[1]" /// "_"
       [reference
-       ["[1][0]" variable {"+" Register}]]
+       ["[1][0]" variable (.only Register)]]
       ["[1][0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}]]]]]]])
+       [archive (.only Archive)]]]]]]])
 
 (def: .public (symbol prefix)
   (-> Text (Operation LVar))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/function.lux
index b8e44b9e9..b56e9bc6e 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/function.lux
@@ -2,31 +2,31 @@
  [library
   [lux {"-" function}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]]]
    [target
-    ["_" ruby {"+" LVar GVar Expression Statement}]]]]
+    ["_" ruby (.only LVar GVar Expression Statement)]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Generator Phase! Generator!}]
+  [runtime (.only Operation Phase Generator Phase! Generator!)]
   ["[1][0]" reference]
   ["[1][0]" case]
   ["[1][0]" loop]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    [synthesis {"+" Synthesis}]
-    [analysis {"+" Environment Abstraction Reification Analysis}]
+    [synthesis (.only Synthesis)]
+    [analysis (.only Environment Abstraction Reification Analysis)]
     ["[1][0]" generation]
     ["//[1]" /// "_"
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      ["[1][0]" phase]
      [reference
-      [variable {"+" Register Variable}]]
+      [variable (.only Register Variable)]]
      [meta
       ["[0]" cache "_"
        [dependency
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/loop.lux
index e112b7817..417a2808e 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/loop.lux
@@ -2,11 +2,11 @@
  [library
   [lux {"-" Scope symbol}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
@@ -14,9 +14,9 @@
     [number
      ["n" nat]]]
    [target
-    ["_" ruby {"+" Expression LVar Statement}]]]]
+    ["_" ruby (.only Expression LVar Statement)]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Generator Phase! Generator!}]
+  [runtime (.only Operation Phase Generator Phase! Generator!)]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
@@ -24,12 +24,12 @@
     [synthesis
      ["[0]" case]]
     ["/[1]" // "_"
-     ["[0]" synthesis {"+" Scope Synthesis}]
+     ["[0]" synthesis (.only Scope Synthesis)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       ["[1][0]" phase]
       [reference
-       ["[1][0]" variable {"+" Register}]]]]]]])
+       ["[1][0]" variable (.only Register)]]]]]]])
 
 (def: (setup offset bindings body)
   (-> Register (List Expression) Statement Statement)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/primitive.lux
index a8258ccb8..437336792 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/primitive.lux
@@ -1,8 +1,8 @@
 (.using
-  [library
-   [lux {"-" i64}
-    [target
-     ["_" ruby {"+" Literal}]]]])
+ [library
+  [lux {"-" i64}
+   [target
+    ["_" ruby (.only Literal)]]]])
 
 (template [<type> <name> <implementation>]
   [(def: .public <name>
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/reference.lux
index 47c60feac..d5e7535b5 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/reference.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"
-    [target
-     ["_" ruby {"+" Expression}]]]]
-  [///
-   [reference {"+" System}]])
+ [library
+  [lux "*"
+   [target
+    ["_" ruby (.only Expression)]]]]
+ [///
+  [reference (.only System)]])
 
 (implementation: .public system
   (System Expression)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/runtime.lux
index f7f217580..fd2dcc906 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/runtime.lux
@@ -3,7 +3,7 @@
   [lux {"-" i64 left right}
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
@@ -11,34 +11,34 @@
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" sequence]]]
    ["[0]" macro
-    [syntax {"+" syntax:}]
+    [syntax (.only syntax:)]
     ["[0]" code]]
    [math
-    [number {"+" hex}
+    [number (.only hex)
      ["[0]" i64]
      ["[0]" int ("[1]#[0]" interval)]]]
    ["@" target
-    ["_" ruby {"+" Expression LVar Computation Literal Statement}]]]]
+    ["_" ruby (.only Expression LVar Computation Literal Statement)]]]]
  ["[0]" /// "_"
   ["[1][0]" reference]
   ["//[1]" /// "_"
-   ["[1][0]" synthesis {"+" Synthesis}]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["[1][0]" generation]
    ["//[1]" ///
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]
+     [variable (.only Register)]]
     [meta
-     [archive {"+" Output Archive}
+     [archive (.only Output Archive)
       ["[0]" unit]
-      ["[0]" registry {"+" Registry}]]]]]])
+      ["[0]" registry (.only Registry)]]]]]])
 
 (template [<name> <base>]
   [(type: .public <name>
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/structure.lux
index 271cf4954..eaca0c092 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/ruby/structure.lux
@@ -2,16 +2,16 @@
  [library
   [lux {"-" Variant Tuple}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [target
-    ["_" ruby {"+" Expression}]]]]
+    ["_" ruby (.only Expression)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" primitive]
   ["///[1]" //// "_"
    [analysis
-    [complex {"+" Variant Tuple}]]
-   ["[1][0]" synthesis {"+" Synthesis}]
+    [complex (.only Variant Tuple)]]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["//[1]" /// "_"
     ["[1][0]" phase ("[1]#[0]" monad)]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme.lux
index 690ab94b9..a63e6ae62 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme.lux
@@ -2,13 +2,13 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [macro
     ["^" pattern]]
    [target
     ["_" scheme]]]]
  ["[0]" / "_"
-  [runtime {"+" Phase}]
+  [runtime (.only Phase)]
   ["[1][0]" primitive]
   ["[1][0]" structure]
   ["[1][0]" reference]
@@ -20,12 +20,12 @@
    ["/[1]" // "_"
     ["[1][0]" extension]
     ["/[1]" // "_"
-     [analysis {"+" }]
+     [analysis (.only)]
      ["[1][0]" synthesis]
      ["//[1]" /// "_"
       ["[1][0]" phase ("[1]#[0]" monad)]
-      [reference {"+"}
-       [variable {"+"}]]]]]]])
+      [reference (.only)
+       [variable (.only)]]]]]]])
 
 (def: .public (generate archive synthesis)
   Phase
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/case.lux
index e5cc0a650..9e577bfc3 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/case.lux
@@ -2,11 +2,11 @@
  [library
   [lux {"-" case let if}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
@@ -17,9 +17,9 @@
     [number
      ["i" int]]]
    [target
-    ["_" scheme {"+" Expression Computation Var}]]]]
+    ["_" scheme (.only Expression Computation Var)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" reference]
   ["[1][0]" primitive]
   ["/[1]" // "_"
@@ -28,14 +28,14 @@
     ["[1][0]" synthesis "_"
      ["[1]/[0]" case]]
     ["/[1]" // "_"
-     ["[1][0]" synthesis {"+" Member Synthesis Path}]
+     ["[1][0]" synthesis (.only Member Synthesis Path)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       [reference
-       ["[1][0]" variable {"+" Register}]]
+       ["[1][0]" variable (.only Register)]]
       ["[1][0]" phase ("[1]#[0]" monad)]
       [meta
-       [archive {"+" Archive}]]]]]]])
+       [archive (.only Archive)]]]]]]])
 
 (def: .public register
   (-> Register Var)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/extension.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/extension.lux
index 1a041edc1..8c2e01506 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/extension.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/extension.lux
@@ -1,13 +1,13 @@
 (.using
-  [library
-   [lux "*"
-    [data
-     [collection
-      ["[0]" dictionary]]]]]
-  [//
-   [runtime {"+" Bundle}]]
-  [/
-   ["[0]" common]])
+ [library
+  [lux "*"
+   [data
+    [collection
+     ["[0]" dictionary]]]]]
+ [//
+  [runtime (.only Bundle)]]
+ [/
+  ["[0]" common]])
 
 (def: .public bundle
   Bundle
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/extension/common.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/extension/common.lux
index d40d0c4df..8b91b4184 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/extension/common.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/extension/common.lux
@@ -2,31 +2,31 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
-    ["ex" exception {"+" exception:}]
+    ["ex" exception (.only exception:)]
     [parser
      ["<[0]>" code]]]
    [data
     ["[0]" product]
     ["[0]" text]
-    [number {"+" hex}
+    [number (.only hex)
      ["f" frac]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
-     ["dict" dictionary {"+" Dictionary}]]]
-   ["[0]" macro {"+" with_symbols}
+     ["dict" dictionary (.only Dictionary)]]]
+   ["[0]" macro (.only with_symbols)
     ["[0]" code]
-    [syntax {"+" syntax:}]]
+    [syntax (.only syntax:)]]
    [target
-    ["_" scheme {"+" Expression Computation}]]]]
+    ["_" scheme (.only Expression Computation)]]]]
  ["[0]" /// "_"
-  ["[1][0]" runtime {"+" Operation Phase Handler Bundle}]
+  ["[1][0]" runtime (.only Operation Phase Handler Bundle)]
   ["[1]//" ///
    ["[1][0]" extension
     ["[0]" bundle]]
    ["[1]/" // "_"
-    ["[1][0]" synthesis {"+" Synthesis}]]]])
+    ["[1][0]" synthesis (.only Synthesis)]]]])
 
 (syntax: (Vector [size <code>.nat
                   elemT <code>.any])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/function.lux
index 04560a891..6d4445587 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/function.lux
@@ -2,32 +2,32 @@
  [library
   [lux {"-" function}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     pipe]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]]]
    [target
-    ["_" scheme {"+" Expression Computation Var}]]]]
+    ["_" scheme (.only Expression Computation Var)]]]]
  ["[0]" // "_"
-  ["[1][0]" runtime {"+" Operation Phase Generator}]
+  ["[1][0]" runtime (.only Operation Phase Generator)]
   ["[1][0]" reference]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
    ["//[1]" /// "_"
-    [analysis {"+" Variant Tuple Abstraction Application Analysis}]
-    [synthesis {"+" Synthesis}]
-    ["[1][0]" generation {"+" Context}]
+    [analysis (.only Variant Tuple Abstraction Application Analysis)]
+    [synthesis (.only Synthesis)]
+    ["[1][0]" generation (.only Context)]
     ["//[1]" /// "_"
-     [arity {"+" Arity}]
+     [arity (.only Arity)]
      ["[1][0]" phase ("[1]#[0]" monad)]
      [reference
-      [variable {"+" Register Variable}]]]]]])
+      [variable (.only Register Variable)]]]]]])
 
 (def: .public (apply expression archive [functionS argsS+])
   (Generator (Application Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/loop.lux
index 519d52e1a..d535376de 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/loop.lux
@@ -2,21 +2,21 @@
  [library
   [lux {"-" Scope}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [math
     [number
      ["n" nat]]]
    [target
     ["_" scheme]]]]
  ["[0]" // "_"
-  [runtime {"+" Operation Phase Generator}]
+  [runtime (.only Operation Phase Generator)]
   ["[1][0]" case]
   ["/[1]" // "_"
    ["[1][0]" reference]
@@ -24,14 +24,14 @@
     [synthesis
      ["[0]" case]]
     ["/[1]" // "_"
-     ["[0]"synthesis {"+" Scope Synthesis}]
+     ["[0]"synthesis (.only Scope Synthesis)]
      ["[1][0]" generation]
      ["//[1]" /// "_"
       ["[1][0]" phase]
       [meta
-       [archive {"+" Archive}]]
+       [archive (.only Archive)]]
       [reference
-       [variable {"+" Register}]]]]]]])
+       [variable (.only Register)]]]]]]])
 
 (def: @scope
   (_.var "scope"))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/primitive.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/primitive.lux
index 3b36ba7d0..1dddd3c1b 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/primitive.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/primitive.lux
@@ -1,8 +1,8 @@
 (.using
-  [library
-   [lux {"-" i64}
-    [target
-     ["_" scheme {"+" Expression}]]]])
+ [library
+  [lux {"-" i64}
+   [target
+    ["_" scheme (.only Expression)]]]])
 
 (template [<name> <type> <code>]
   [(def: .public <name>
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/reference.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/reference.lux
index a7dbd0397..b53918670 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/reference.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux "*"
-    [target
-     ["_" scheme {"+" Expression}]]]]
-  [///
-   [reference {"+" System}]])
+ [library
+  [lux "*"
+   [target
+    ["_" scheme (.only Expression)]]]]
+ [///
+  [reference (.only System)]])
 
 (implementation: .public system
   (System Expression)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/runtime.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/runtime.lux
index dae1bb729..b48a00efc 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/runtime.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/runtime.lux
@@ -3,7 +3,7 @@
   [lux {"-" Location}
    ["[0]" meta]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" function]
     ["<>" parser
@@ -11,33 +11,33 @@
    [data
     ["[0]" product]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" sequence]]]
    ["[0]" macro
-    [syntax {"+" syntax:}]
+    [syntax (.only syntax:)]
     ["[0]" code]]
    [math
-    [number {"+" hex}
+    [number (.only hex)
      ["[0]" i64]]]
    ["@" target
-    ["_" scheme {"+" Expression Computation Var}]]]]
+    ["_" scheme (.only Expression Computation Var)]]]]
  ["[0]" /// "_"
   ["[1][0]" reference]
   ["//[1]" /// "_"
-   [analysis {"+" Variant}]
-   ["[1][0]" synthesis {"+" Synthesis}]
+   [analysis (.only Variant)]
+   ["[1][0]" synthesis (.only Synthesis)]
    ["[1][0]" generation]
    ["//[1]" ///
     ["[1][0]" phase]
     [reference
-     [variable {"+" Register}]]
+     [variable (.only Register)]]
     [meta
-     [archive {"+" Output Archive}
-      ["[0]" artifact {"+" Registry}]]]]]])
+     [archive (.only Output Archive)
+      ["[0]" artifact (.only Registry)]]]]]])
 
 (def: module_id
   0)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/structure.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/structure.lux
index 41e0a328c..1bf8d5746 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/structure.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/generation/scheme/structure.lux
@@ -1,21 +1,21 @@
 (.using
-  [library
-   [lux "*"
-    [abstract
-     ["[0]" monad {"+" do}]]
-    [data
-     [collection
-      ["[0]" list]]]
-    [target
-     ["_" scheme {"+" Expression}]]]]
-  ["[0]" // "_"
-   ["[1][0]" runtime {"+" Operation Phase Generator}]
-   ["[1][0]" primitive]
-   ["///[1]" //// "_"
-    [analysis {"+" Variant Tuple}]
-    ["[1][0]" synthesis {"+" Synthesis}]
-    ["//[1]" /// "_"
-     ["[1][0]" phase ("[1]#[0]" monad)]]]])
+ [library
+  [lux "*"
+   [abstract
+    ["[0]" monad (.only do)]]
+   [data
+    [collection
+     ["[0]" list]]]
+   [target
+    ["_" scheme (.only Expression)]]]]
+ ["[0]" // "_"
+  ["[1][0]" runtime (.only Operation Phase Generator)]
+  ["[1][0]" primitive]
+  ["///[1]" //// "_"
+   [analysis (.only Variant Tuple)]
+   ["[1][0]" synthesis (.only Synthesis)]
+   ["//[1]" /// "_"
+    ["[1][0]" phase ("[1]#[0]" monad)]]]])
 
 (def: .public (tuple expression archive elemsS+)
   (Generator (Tuple Synthesis))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis.lux
index 38fc993d0..671b0cc8f 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis.lux
@@ -2,14 +2,14 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" pipe]
     ["[0]" try]]
    [data
     [collection
      ["[0]" list ("[1]#[0]" functor)]
-     ["[0]" dictionary {"+" Dictionary}]]]
+     ["[0]" dictionary (.only Dictionary)]]]
    [macro
     ["^" pattern]]]]
  ["[0]" / "_"
@@ -19,15 +19,15 @@
   ["/[1]" // "_"
    ["[1][0]" extension]
    ["/[1]" // "_"
-    ["/" synthesis {"+" Synthesis Phase}
+    ["/" synthesis (.only Synthesis Phase)
      ["[1][0]" simple]]
-    ["[1][0]" analysis {"+" Analysis}
+    ["[1][0]" analysis (.only Analysis)
      ["[2][0]" simple]
      ["[2][0]" complex]]
     [///
      ["[0]" phase ("[1]#[0]" monad)]
-     [reference {"+"}
-      [variable {"+"}]]]]]])
+     [reference (.only)
+      [variable (.only)]]]]]])
 
 (def: (simple analysis)
   (-> ///simple.Simple /simple.Simple)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/case.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/case.lux
index 0f8d92144..b530ca005 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/case.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/case.lux
@@ -2,8 +2,8 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]
-    ["[0]" monad {"+" do}]]
+    [equivalence (.only Equivalence)]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" pipe]]
    [data
@@ -12,7 +12,7 @@
     ["[0]" text ("[1]#[0]" equivalence)]
     [collection
      ["[0]" list ("[1]#[0]" functor mix monoid)]
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [macro
     ["^" pattern]]
    [math
@@ -22,20 +22,20 @@
      ["[0]" frac]]]]]
  ["[0]" /// "_"
   [//
-   ["[1][0]" analysis {"+" Match Analysis}
+   ["[1][0]" analysis (.only Match Analysis)
     ["[2][0]" simple]
     ["[2][0]" complex]
-    ["[2][0]" pattern {"+" Pattern}]]
-   ["/" synthesis {"+" Path Synthesis Operation Phase}
+    ["[2][0]" pattern (.only Pattern)]]
+   ["/" synthesis (.only Path Synthesis Operation Phase)
     ["[1][0]" access
      ["[2][0]" side]
-     ["[2][0]" member {"+" Member}]]]
+     ["[2][0]" member (.only Member)]]]
    [///
     ["[1]" phase ("[1]#[0]" monad)]
     ["[1][0]" reference
-     ["[1]/[0]" variable {"+" Register Variable}]]
+     ["[1]/[0]" variable (.only Register Variable)]]
     [meta
-     [archive {"+" Archive}]]]]])
+     [archive (.only Archive)]]]]])
 
 (def: clean_up
   (-> Path Path)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/function.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/function.lux
index e478001a6..27ffa8398 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/function.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/function.lux
@@ -2,15 +2,15 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]
+    ["[0]" monad (.only do)]
     ["[0]" enum]]
    [control
     ["[0]" pipe]
     ["[0]" maybe ("[1]#[0]" functor)]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor monoid)]]]
    [macro
@@ -19,16 +19,16 @@
     [number
      ["n" nat]]]]]
  ["[0]" // "_"
-  ["[1][0]" loop {"+" Transform}]
+  ["[1][0]" loop (.only Transform)]
   ["//[1]" /// "_"
-   ["[1][0]" analysis {"+" Environment Analysis}
+   ["[1][0]" analysis (.only Environment Analysis)
     ["[1]/[0]" complex]]
-   ["/" synthesis {"+" Path Abstraction Synthesis Operation Phase}]
+   ["/" synthesis (.only Path Abstraction Synthesis Operation Phase)]
    [///
-    [arity {"+" Arity}]
+    [arity (.only Arity)]
     ["[0]" phase ("[1]#[0]" monad)]
     ["[1][0]" reference
-     ["[1]/[0]" variable {"+" Register Variable}]]]]])
+     ["[1]/[0]" variable (.only Register Variable)]]]]])
 
 (exception: .public (cannot_find_foreign_variable_in_environment [foreign Register
                                                                   environment (Environment Synthesis)])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/loop.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/loop.lux
index c11213340..0115500cc 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/loop.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/loop.lux
@@ -2,7 +2,7 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe ("[1]#[0]" monad)]]
    [data
@@ -14,13 +14,13 @@
     [number
      ["n" nat]]]]]
  [////
-  ["[0]" analysis {"+" Environment}
+  ["[0]" analysis (.only Environment)
    ["[1]/[0]" complex]]
-  ["/" synthesis {"+" Path Abstraction Synthesis}]
+  ["/" synthesis (.only Path Abstraction Synthesis)]
   [///
-   [arity {"+" Arity}]
+   [arity (.only Arity)]
    ["[0]" reference
-    ["[0]" variable {"+" Register Variable}]]]])
+    ["[0]" variable (.only Register Variable)]]]])
 
 (type: .public (Transform a)
   (-> a (Maybe a)))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/variable.lux b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/variable.lux
index 366984646..ce8c4bec3 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/variable.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/phase/synthesis/variable.lux
@@ -2,17 +2,17 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe ("[1]#[0]" functor)]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" product]
     ["[0]" text
      ["%" format]]
     [collection
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" list ("[1]#[0]" functor mix)]
      ["[0]" set]]]
    [macro
@@ -23,12 +23,12 @@
  [////
   ["[0]" analysis
    ["[1]/[0]" complex]]
-  ["/" synthesis {"+" Path Synthesis}
+  ["/" synthesis (.only Path Synthesis)
    ["[1][0]" access]]
   [///
-   [arity {"+" Arity}]
+   [arity (.only Arity)]
    ["[0]" reference
-    ["[0]" variable {"+" Register Variable}]]]])
+    ["[0]" variable (.only Register Variable)]]]])
 
 (def: (prune redundant register)
   (-> Register Register Register)
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/program.lux b/stdlib/source/library/lux/tool/compiler/language/lux/program.lux
index f3a2e5d69..ac9155e07 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/program.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/program.lux
@@ -2,21 +2,21 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]]]]]
  [////
   [meta
-   ["[0]" archive {"+" Archive}
-    ["[0]" registry {"+" Registry}]
+   ["[0]" archive (.only Archive)
+    ["[0]" registry (.only Registry)]
     ["[0]" unit]
     [module
      ["[0]" descriptor]]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/syntax.lux b/stdlib/source/library/lux/tool/compiler/language/lux/syntax.lux
index 93ba961d0..1089264e9 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/syntax.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/syntax.lux
@@ -29,18 +29,18 @@
   [lux "*"
    ["@" target]
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" maybe]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" exception (.only exception:)]
     [parser
-     [text {"+" Offset}]]]
+     [text (.only Offset)]]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list]
-     ["[0]" dictionary {"+" Dictionary}]]]
+     ["[0]" dictionary (.only Dictionary)]]]
    [macro
     ["[0]" template]]
    [meta
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis.lux b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis.lux
index 888ad1793..00cc68f16 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis.lux
@@ -2,21 +2,21 @@
  [library
   [lux {"-" Scope i64}
    [abstract
-    [monad {"+" do}]
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [monad (.only do)]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [control
     ["[0]" maybe]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" exception (.only exception:)]]
    [data
     ["[0]" sum]
     ["[0]" product]
     ["[0]" bit ("[1]#[0]" equivalence)]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" Format format}]]
+     ["%" format (.only Format format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
-     ["[0]" dictionary {"+" Dictionary}]]]
+     ["[0]" dictionary (.only Dictionary)]]]
    [macro
     ["^" pattern]]
    [math
@@ -26,20 +26,20 @@
      ["i" int]
      ["f" frac]]]]]
  ["[0]" / "_"
-  ["[1][0]" simple {"+" Simple}]
-  ["[1][0]" access {"+" Access}
-   ["[2][0]" side {"+" Side}]
-   ["[2][0]" member {"+" Member}]]
+  ["[1][0]" simple (.only Simple)]
+  ["[1][0]" access (.only Access)
+   ["[2][0]" side (.only Side)]
+   ["[2][0]" member (.only Member)]]
   [//
-   ["[0]" analysis {"+" Environment Analysis}
-    ["[1]/[0]" complex {"+" Complex}]]
+   ["[0]" analysis (.only Environment Analysis)
+    ["[1]/[0]" complex (.only Complex)]]
    [phase
-    ["[0]" extension {"+" Extension}]]
+    ["[0]" extension (.only Extension)]]
    [///
-    [arity {"+" Arity}]
+    [arity (.only Arity)]
     ["[0]" phase]
-    ["[0]" reference {"+" Reference}
-     ["[0]" variable {"+" Register Variable}]]]]])
+    ["[0]" reference (.only Reference)
+     ["[0]" variable (.only Register Variable)]]]]])
 
 (type: .public Resolver
   (Dictionary Variable Variable))
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access.lux b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access.lux
index 236b46980..9426ad094 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access.lux
@@ -2,15 +2,15 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [data
     ["[0]" sum]
     [text
-     ["%" format {"+" Format}]]]]]
+     ["%" format (.only Format)]]]]]
  ["[0]" / "_"
-  ["[1][0]" side {"+" Side}]
-  ["[1][0]" member {"+" Member}]])
+  ["[1][0]" side (.only Side)]
+  ["[1][0]" member (.only Member)]])
 
 (type: .public Access
   (Variant
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access/member.lux b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access/member.lux
index a01e89668..e795d0467 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access/member.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access/member.lux
@@ -2,8 +2,8 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [data
     ["[0]" product]
     ["[0]" bit]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access/side.lux b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access/side.lux
index c0be1fea6..fe3fea477 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access/side.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/access/side.lux
@@ -2,8 +2,8 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [data
     ["[0]" product]
     ["[0]" bit]
diff --git a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/simple.lux b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/simple.lux
index 741088fb0..7f2eb7e11 100644
--- a/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/simple.lux
+++ b/stdlib/source/library/lux/tool/compiler/language/lux/synthesis/simple.lux
@@ -2,8 +2,8 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [control
     ["[0]" pipe]]
    [data
diff --git a/stdlib/source/library/lux/tool/compiler/meta.lux b/stdlib/source/library/lux/tool/compiler/meta.lux
index aa506aa08..f98c648a0 100644
--- a/stdlib/source/library/lux/tool/compiler/meta.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta.lux
@@ -2,7 +2,7 @@
  [library
   [lux "*"]]
  [//
-  [version {"+" Version}]])
+  [version (.only Version)]])
 
 (def: .public version
   Version
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive.lux b/stdlib/source/library/lux/tool/compiler/meta/archive.lux
index 622a52d82..3df78a712 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive.lux
@@ -2,27 +2,27 @@
  [library
   [lux {"-" Module has}
    [abstract
-    ["[0]" equivalence {"+" Equivalence}]
-    ["[0]" monad {"+" do}]]
+    ["[0]" equivalence (.only Equivalence)]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]
     ["[0]" function]
     ["<>" parser
-     ["<[0]>" binary {"+" Parser}]]]
+     ["<[0]>" binary (.only Parser)]]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [format
-     ["[0]" binary {"+" Writer}]]
+     ["[0]" binary (.only Writer)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" set]
-     ["[0]" sequence {"+" Sequence}]]]
+     ["[0]" sequence (.only Sequence)]]]
    [math
     [number
      ["n" nat ("[1]#[0]" equivalence)]]]
@@ -30,14 +30,14 @@
     [primitive "*"]]]]
  [/
   ["[0]" artifact]
-  ["[0]" registry {"+" Registry}]
-  ["[0]" signature {"+" Signature}]
-  ["[0]" key {"+" Key}]
-  ["[0]" module {"+" Module}
-   ["[0]" descriptor {"+" Descriptor}]
-   ["[0]" document {"+" Document}]]
+  ["[0]" registry (.only Registry)]
+  ["[0]" signature (.only Signature)]
+  ["[0]" key (.only Key)]
+  ["[0]" module (.only Module)
+   ["[0]" descriptor (.only Descriptor)]
+   ["[0]" document (.only Document)]]
   [///
-   [version {"+" Version}]]])
+   [version (.only Version)]]])
 
 (type: .public Output
   (Sequence [artifact.ID (Maybe Text) Binary]))
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/artifact.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/artifact.lux
index 2aa066db1..cdb9bcf57 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/artifact.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/artifact.lux
@@ -2,17 +2,17 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]]
+    [equivalence (.only Equivalence)]]
    [data
     ["[0]" product]
     ["[0]" bit]
     [collection
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [math
     [number
      ["[0]" nat]]]]]
  ["[0]" / "_"
-  ["[1][0]" category {"+" Category}]])
+  ["[1][0]" category (.only Category)]])
 
 (type: .public ID
   Nat)
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/artifact/category.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/artifact/category.lux
index 39bc31a5f..034489e93 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/artifact/category.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/artifact/category.lux
@@ -2,7 +2,7 @@
  [library
   [lux {"-" Definition}
    [abstract
-    [equivalence {"+" Equivalence}]]
+    [equivalence (.only Equivalence)]]
    [control
     ["[0]" maybe]]
    [data
@@ -14,7 +14,7 @@
     [number
      ["[0]" nat]]]]]
  [/////
-  [arity {"+" Arity}]])
+  [arity (.only Arity)]])
 
 (type: .public Definition
   [Text (Maybe [Arity [Nat Nat]])])
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/key.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/key.lux
index 86d8cfe9e..43f396465 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/key.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/key.lux
@@ -4,7 +4,7 @@
    [type
     [primitive "*"]]]]
  [//
-  [signature {"+" Signature}]])
+  [signature (.only Signature)]])
 
 (primitive: .public (Key k)
   Signature
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/module.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/module.lux
index 7004302b8..1bea114f6 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/module.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/module.lux
@@ -2,8 +2,8 @@
  [library
   [lux {"-" Module}]]
  [/
-  [descriptor {"+" Descriptor}]
-  [document {"+" Document}]])
+  [descriptor (.only Descriptor)]
+  [document (.only Document)]])
 
 (type: .public ID
   Nat)
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/module/descriptor.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/module/descriptor.lux
index a03795255..45a4c4bef 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/module/descriptor.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/module/descriptor.lux
@@ -2,24 +2,24 @@
  [library
   [lux {"-" Module}
    [abstract
-    [equivalence {"+" Equivalence}]]
+    [equivalence (.only Equivalence)]]
    [control
     ["<>" parser
-     ["<[0]>" binary {"+" Parser}]]]
+     ["<[0]>" binary (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text]
     [collection
-     ["[0]" set {"+" Set}]]
+     ["[0]" set (.only Set)]]
     ["[0]" format "_"
-     ["[1]" binary {"+" Writer}]]]
+     ["[1]" binary (.only Writer)]]]
    [macro
     ["^" pattern]]
    [math
     [number
      ["[0]" nat]]]
    [world
-    [file {"+" Path}]]]])
+    [file (.only Path)]]]])
 
 (type: .public Module
   Text)
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/module/document.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/module/document.lux
index 8c1eae9ca..1b4dbe7d4 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/module/document.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/module/document.lux
@@ -2,22 +2,22 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]
     ["<>" parser
-     [binary {"+" Parser}]]]
+     [binary (.only Parser)]]]
    [data
     [collection
-     ["[0]" dictionary {"+" Dictionary}]]
+     ["[0]" dictionary (.only Dictionary)]]
     [format
-     ["[0]" binary {"+" Writer}]]]
-   [type {"+" sharing}
+     ["[0]" binary (.only Writer)]]]
+   [type (.only sharing)
     [primitive "*"]]]]
  [///
-  ["[0]" signature {"+" Signature} ("[1]#[0]" equivalence)]
-  ["[0]" key {"+" Key}]])
+  ["[0]" signature (.only Signature) ("[1]#[0]" equivalence)]
+  ["[0]" key (.only Key)]])
 
 (exception: .public (invalid_signature [expected Signature
                                         actual Signature])
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/registry.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/registry.lux
index 5ebd0f2f3..d331a8022 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/registry.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/registry.lux
@@ -2,32 +2,32 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" do}]]
+    [monad (.only do)]]
    [control
     ["[0]" pipe]
     ["[0]" maybe ("[1]#[0]" functor)]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" exception (.only exception:)]
     ["<>" parser
-     ["<[0]>" binary {"+" Parser}]]]
+     ["<[0]>" binary (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
-     [set {"+" Set}]
+     [set (.only Set)]
      ["[0]" list]
-     ["[0]" sequence {"+" Sequence} ("[1]#[0]" functor mix)]
-     ["[0]" dictionary {"+" Dictionary}]]
+     ["[0]" sequence (.only Sequence) ("[1]#[0]" functor mix)]
+     ["[0]" dictionary (.only Dictionary)]]
     [format
-     ["[0]" binary {"+" Writer}]]]
+     ["[0]" binary (.only Writer)]]]
    [macro
     ["^" pattern]]
    [type
     [primitive "*"]]]]
  ["[0]" // "_"
   ["[0]" unit]
-  ["[1]" artifact {"+" Artifact ID}
-   ["[2][0]" category {"+" Category}]]])
+  ["[1]" artifact (.only Artifact ID)
+   ["[2][0]" category (.only Category)]]])
 
 (primitive: .public Registry
   (Record
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/signature.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/signature.lux
index a9ade8ed9..4b86838c3 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/signature.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/signature.lux
@@ -2,23 +2,23 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]]
+    [equivalence (.only Equivalence)]]
    [control
     ["<>" parser
-     ["<[0]>" binary {"+" Parser}]]]
+     ["<[0]>" binary (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [format
-     ["[0]" binary {"+" Writer}]]]
+     ["[0]" binary (.only Writer)]]]
    [math
     [number
      ["[0]" nat]]]
    [meta
     ["[0]" symbol]]]]
  [////
-  ["[0]" version {"+" Version}]])
+  ["[0]" version (.only Version)]])
 
 (type: .public Signature
   (Record
diff --git a/stdlib/source/library/lux/tool/compiler/meta/archive/unit.lux b/stdlib/source/library/lux/tool/compiler/meta/archive/unit.lux
index 63221895e..3caa41eb9 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/archive/unit.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/archive/unit.lux
@@ -2,14 +2,14 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [data
     ["[0]" product]
     [text
      ["%" format]]
     [collection
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [math
     [number
      ["[0]" nat]]]]]
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cache.lux b/stdlib/source/library/lux/tool/compiler/meta/cache.lux
index 72470f228..d3d136fcc 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cache.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cache.lux
@@ -2,16 +2,16 @@
  [library
   [lux "*"
    [abstract
-    [monad {"+" Monad do}]]
+    [monad (.only Monad do)]]
    [control
-    ["[0]" try {"+" Try}]]
+    ["[0]" try (.only Try)]]
    [data
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [world
     ["[0]" file]]]]
  ["[0]" //
-  ["[0]" context {"+" Context}]
+  ["[0]" context (.only Context)]
   [//
    ["[0]" version]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cache/archive.lux b/stdlib/source/library/lux/tool/compiler/meta/cache/archive.lux
index c31f86f25..159c90a8c 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cache/archive.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cache/archive.lux
@@ -2,7 +2,7 @@
  [library
   [lux "*"
    [control
-    [try {"+" Try}]]
+    [try (.only Try)]]
    [data
     [text
      ["%" format]]]
@@ -10,8 +10,8 @@
     ["[0]" file]]]]
  ["[0]" //
   ["/[1]" //
-   [context {"+" Context}]
-   ["[0]" archive {"+" Archive}]]])
+   [context (.only Context)]
+   ["[0]" archive (.only Archive)]]])
 
 (def: .public (descriptor fs context)
   (All (_ !) (-> (file.System !) Context file.Path))
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cache/artifact.lux b/stdlib/source/library/lux/tool/compiler/meta/cache/artifact.lux
index 5917e328b..8d1f1fe8b 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cache/artifact.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cache/artifact.lux
@@ -1,21 +1,21 @@
 (.using
  [library
   [lux "*"
-   [target {"+" Target}]
+   [target (.only Target)]
    [control
-    [try {"+" Try}]
+    [try (.only Try)]
     [concurrency
-     ["[0]" async {"+" Async}]]]
+     ["[0]" async (.only Async)]]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [world
     ["[0]" file]]]]
  ["[0]" // "_"
   ["[1][0]" module]
   [//
-   ["[0]" context {"+" Context}]
+   ["[0]" context (.only Context)]
    [archive
     ["[0]" module]
     ["[0]" artifact]]]])
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cache/dependency/artifact.lux b/stdlib/source/library/lux/tool/compiler/meta/cache/dependency/artifact.lux
index 78269e9a6..b0908a846 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cache/dependency/artifact.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cache/dependency/artifact.lux
@@ -3,14 +3,14 @@
  [library
   [lux {"-" all}
    [abstract
-    [hash {"+" Hash}]
-    ["[0]" monad {"+" do}]]
+    [hash (.only Hash)]
+    ["[0]" monad (.only do)]]
    [data
     ["[0]" product]
     [collection
      ["[0]" list ("[1]#[0]" monoid mix monad)]
-     ["[0]" set {"+" Set}]
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" set (.only Set)]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" sequence]]]
    [macro
     ["^" pattern]]
@@ -22,17 +22,17 @@
    [tool
     [compiler
      ["[0]" phase]
-     ["[0]" reference {"+" Constant}]
+     ["[0]" reference (.only Constant)]
      [language
       [lux
-       ["[0]" synthesis {"+" Synthesis Path}]
-       ["[0]" generation {"+" Operation}]
+       ["[0]" synthesis (.only Synthesis Path)]
+       ["[0]" generation (.only Operation)]
        ["[0]" analysis
         ["[1]/[0]" complex]]]]
      [meta
-      ["[0]" archive {"+" Archive}
+      ["[0]" archive (.only Archive)
        ["[0]" artifact]
-       ["[0]" registry {"+" Registry}]
+       ["[0]" registry (.only Registry)]
        ["[0]" unit]]]]]]])
 
 (def: (path_references references)
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cache/dependency/module.lux b/stdlib/source/library/lux/tool/compiler/meta/cache/dependency/module.lux
index 2db68a99d..16dc70b49 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cache/dependency/module.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cache/dependency/module.lux
@@ -2,26 +2,26 @@
  [library
   [lux "*"
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
     ["[0]" maybe ("[1]#[0]" functor)]
-    ["[0]" try {"+" Try}]
+    ["[0]" try (.only Try)]
     ["[0]" state]
     [function
-     ["[0]" memo {"+" Memo}]]]
+     ["[0]" memo (.only Memo)]]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor mix)]
-     ["[0]" dictionary {"+" Dictionary}]
-     ["[0]" set {"+" Set}]]]]]
+     ["[0]" dictionary (.only Dictionary)]
+     ["[0]" set (.only Set)]]]]]
  [////
-  ["[0]" archive {"+" Output Archive}
-   [key {"+" Key}]
+  ["[0]" archive (.only Output Archive)
+   [key (.only Key)]
    ["[0]" module
-    ["[0]" descriptor {"+" Descriptor}]
-    ["[0]" document {"+" Document}]]]])
+    ["[0]" descriptor (.only Descriptor)]
+    ["[0]" document (.only Document)]]]])
 
 (type: .public Ancestry
   (Set descriptor.Module))
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cache/module.lux b/stdlib/source/library/lux/tool/compiler/meta/cache/module.lux
index 426a68589..5536850eb 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cache/module.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cache/module.lux
@@ -3,24 +3,24 @@
   [lux "*"
    ["@" target]
    [abstract
-    ["[0]" monad {"+" Monad do}]]
+    ["[0]" monad (.only Monad do)]]
    [control
     ["[0]" pipe]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" list ("[1]#[0]" functor)]
-     ["[0]" dictionary {"+" Dictionary}]]]
+     ["[0]" dictionary (.only Dictionary)]]]
    [world
     ["[0]" file]]]]
  ["[0]" //
   [//
-   [context {"+" Context}]
+   [context (.only Context)]
    [archive
     ["[0]" module]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cache/purge.lux b/stdlib/source/library/lux/tool/compiler/meta/cache/purge.lux
index 55701b3f3..cfa21d5e4 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cache/purge.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cache/purge.lux
@@ -2,17 +2,17 @@
  [library
   [lux "*"
    [abstract
-    [predicate {"+" Predicate}]
-    ["[0]" monad {"+" Monad do}]]
+    [predicate (.only Predicate)]
+    ["[0]" monad (.only Monad do)]]
    [control
-    ["[0]" try {"+" Try} ("[1]#[0]" functor)]
+    ["[0]" try (.only Try) ("[1]#[0]" functor)]
     [concurrency
-     ["[0]" async {"+" Async}]]]
+     ["[0]" async (.only Async)]]]
    [data
     ["[0]" text ("[1]#[0]" equivalence)]
     [collection
      ["[0]" list ("[1]#[0]" mix functor)]
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" set]]]
    [math
     [number
@@ -24,12 +24,12 @@
   ["[0]" dependency "_"
    ["[1]" module]]
   ["/[1]" // "_"
-   [context {"+" Context}]
-   ["/[1]" // {"+" Input}]
+   [context (.only Context)]
+   ["/[1]" // (.only Input)]
    ["[0]" archive
-    [registry {"+" Registry}]
+    [registry (.only Registry)]
     ["[0]" module
-     ["[0]" descriptor {"+" Descriptor}]]]]])
+     ["[0]" descriptor (.only Descriptor)]]]]])
 
 (type: .public Cache
   [Bit descriptor.Module module.ID (module.Module Any) Registry])
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cli.lux b/stdlib/source/library/lux/tool/compiler/meta/cli.lux
index 776ed07be..b88f23b0d 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cli.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cli.lux
@@ -2,12 +2,12 @@
  [library
   [lux {"-" Module Source}
    [abstract
-    [monad {"+" do}]
-    [equivalence {"+" Equivalence}]]
+    [monad (.only do)]
+    [equivalence (.only Equivalence)]]
    [control
     ["[0]" pipe]
     ["<>" parser
-     ["<[0]>" cli {"+" Parser}]
+     ["<[0]>" cli (.only Parser)]
      ["<[0]>" text]]]
    [data
     ["[0]" product]
@@ -18,10 +18,10 @@
    [macro
     ["^" pattern]]
    [math
-    [number {"+" hex}]]
+    [number (.only hex)]]
    [meta
     ["[0]" symbol]
-    ["[0]" configuration {"+" Configuration}]]
+    ["[0]" configuration (.only Configuration)]]
    [tool
     [compiler
      [meta
@@ -29,9 +29,9 @@
        [module
         ["[0]" descriptor]]]]]]
    [world
-    [file {"+" Path}]]]]
+    [file (.only Path)]]]]
  ["[0]" / "_"
-  ["[1][0]" compiler {"+" Compiler}]])
+  ["[1][0]" compiler (.only Compiler)]])
 
 (type: .public Host_Dependency
   Path)
diff --git a/stdlib/source/library/lux/tool/compiler/meta/cli/compiler.lux b/stdlib/source/library/lux/tool/compiler/meta/cli/compiler.lux
index ad3d3f124..886249921 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/cli/compiler.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/cli/compiler.lux
@@ -2,11 +2,11 @@
  [library
   [lux {"-" parameter}
    [abstract
-    [monad {"+" do}]
-    [equivalence {"+" Equivalence}]]
+    [monad (.only do)]
+    [equivalence (.only Equivalence)]]
    [control
     ["<>" parser
-     ["<[0]>" text {"+" Parser}]]]
+     ["<[0]>" text (.only Parser)]]]
    [data
     ["[0]" product]
     ["[0]" text
@@ -14,7 +14,7 @@
     [collection
      ["[0]" list ("[1]#[0]" functor)]]]
    [math
-    [number {"+" hex}]]
+    [number (.only hex)]]
    [meta
     ["[0]" symbol]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/meta/context.lux b/stdlib/source/library/lux/tool/compiler/meta/context.lux
index 8ee5e28a0..b22eebd1d 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/context.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/context.lux
@@ -1,9 +1,9 @@
 (.using
  [library
   [lux "*"
-   ["@" target {"+" Target}]
+   ["@" target (.only Target)]
    [world
-    [file {"+" Path}]]]])
+    [file (.only Path)]]]])
 
 (type: .public Extension
   Text)
diff --git a/stdlib/source/library/lux/tool/compiler/meta/export.lux b/stdlib/source/library/lux/tool/compiler/meta/export.lux
index 3d1361d10..3af593556 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/export.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/export.lux
@@ -2,14 +2,14 @@
  [library
   [lux {"-" Source}
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
-    ["[0]" try {"+" Try} ("[1]#[0]" monad)]
+    ["[0]" try (.only Try) ("[1]#[0]" monad)]
     [concurrency
-     ["[0]" async {"+" Async} ("[1]#[0]" functor)]]]
+     ["[0]" async (.only Async) ("[1]#[0]" functor)]]]
    [data
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" dictionary]
      ["[0]" sequence]]
@@ -21,7 +21,7 @@
    [tool
     [compiler
      [meta
-      [cli {"+" Source Export}]
+      [cli (.only Source Export)]
       ["[0]" io "_"
        ["[1]" context]]]]]
    [world
diff --git a/stdlib/source/library/lux/tool/compiler/meta/import.lux b/stdlib/source/library/lux/tool/compiler/meta/import.lux
index f0c390e3a..d1ce94369 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/import.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/import.lux
@@ -2,27 +2,27 @@
  [library
   [lux {"-" Module}
    [abstract
-    ["[0]" monad {"+" Monad do}]]
+    ["[0]" monad (.only Monad do)]]
    [control
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]
     [concurrency
-     ["[0]" async {"+" Async}]]
+     ["[0]" async (.only Async)]]
     ["<>" parser
      ["<[0]>" binary]]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" text
      ["%" format]]
     [collection
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" sequence]]
     [format
      ["[0]" tar]]]
    [tool
     [compiler
      [meta
-      [cli {"+" Library Module}]]]]
+      [cli (.only Library Module)]]]]
    [world
     ["[0]" file]]]])
 
diff --git a/stdlib/source/library/lux/tool/compiler/meta/io.lux b/stdlib/source/library/lux/tool/compiler/meta/io.lux
index e0262eba8..f2208d52f 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/io.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/io.lux
@@ -1,10 +1,10 @@
 (.using
-  [library
-   [lux {"-" Code}
-    [data
-     ["[0]" text]]
-    [world
-     [file {"+" Path System}]]]])
+ [library
+  [lux {"-" Code}
+   [data
+    ["[0]" text]]
+   [world
+    [file (.only Path System)]]]])
 
 (type: .public Context
   Path)
diff --git a/stdlib/source/library/lux/tool/compiler/meta/io/archive.lux b/stdlib/source/library/lux/tool/compiler/meta/io/archive.lux
index 37f464b01..22424beb5 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/io/archive.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/io/archive.lux
@@ -1,53 +1,53 @@
 (.using
  [library
   [lux "*"
-   ["@" target {"+" Target}]
+   ["@" target (.only Target)]
    [abstract
-    ["[0]" monad {"+" Monad do}]]
+    ["[0]" monad (.only Monad do)]]
    [control
-    ["[0]" try {"+" Try}]
+    ["[0]" try (.only Try)]
     [concurrency
-     ["[0]" async {"+" Async} ("[1]#[0]" monad)]]
+     ["[0]" async (.only Async) ("[1]#[0]" monad)]]
     ["<>" parser
-     ["<[0]>" binary {"+" Parser}]]]
+     ["<[0]>" binary (.only Parser)]]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text ("[1]#[0]" equivalence)
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
-     [set {"+" Set}]
+     [set (.only Set)]
      ["[0]" list ("[1]#[0]" mix)]
-     ["[0]" dictionary {"+" Dictionary}]
-     ["[0]" sequence {"+" Sequence}]]]
+     ["[0]" dictionary (.only Dictionary)]
+     ["[0]" sequence (.only Sequence)]]]
    [macro
     ["^" pattern]]
    [meta
-    ["[0]" configuration {"+" Configuration}]
+    ["[0]" configuration (.only Configuration)]
     ["[0]" version]]
    [world
     ["[0]" file]]]]
  ["[0]" //
   ["[1][0]" context]
   ["/[1]" //
-   [import {"+" Import}]
-   ["[0]" context {"+" Context}]
-   ["[0]" archive {"+" Output Archive}
-    [key {"+" Key}]
-    ["[0]" registry {"+" Registry}]
+   [import (.only Import)]
+   ["[0]" context (.only Context)]
+   ["[0]" archive (.only Output Archive)
+    [key (.only Key)]
+    ["[0]" registry (.only Registry)]
     ["[0]" unit]
-    ["[0]" artifact {"+" Artifact}
-     ["[0]" category {"+" Category}]]
+    ["[0]" artifact (.only Artifact)
+     ["[0]" category (.only Category)]]
     ["[0]" module
-     ["[0]" descriptor {"+" Descriptor}]
-     ["[0]" document {"+" Document}]]]
+     ["[0]" descriptor (.only Descriptor)]
+     ["[0]" document (.only Document)]]]
    ["[0]" cache
     ["[1]/[0]" archive]
     ["[1]/[0]" module]
-    ["[1]/[0]" purge {"+" Cache Purge}]
+    ["[1]/[0]" purge (.only Cache Purge)]
     ["[0]" dependency "_"
      ["[1]" module]]]
-   [// {"+" Custom}
+   [// (.only Custom)
     [language
      ["$" lux
       ["[0]" analysis]
diff --git a/stdlib/source/library/lux/tool/compiler/meta/io/context.lux b/stdlib/source/library/lux/tool/compiler/meta/io/context.lux
index 548a89b36..a5eec2a2a 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/io/context.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/io/context.lux
@@ -3,32 +3,32 @@
   [lux {"-" Module Code}
    ["@" target]
    [abstract
-    [predicate {"+" Predicate}]
-    ["[0]" monad {"+" Monad do}]]
+    [predicate (.only Predicate)]
+    ["[0]" monad (.only Monad do)]]
    [control
     ["[0]" maybe]
-    ["[0]" try {"+" Try}]
-    ["[0]" exception {"+" exception:}]
+    ["[0]" try (.only Try)]
+    ["[0]" exception (.only exception:)]
     [concurrency
-     ["[0]" async {"+" Async} ("[1]#[0]" monad)]]]
+     ["[0]" async (.only Async) ("[1]#[0]" monad)]]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" text ("[1]#[0]" hash)
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" list]]]
    [world
     ["[0]" file]]]]
- ["[0]" // {"+" Context Code}
+ ["[0]" // (.only Context Code)
   ["/[1]" // "_"
-   [import {"+" Import}]
-   ["/[1]" // {"+" Input}]
+   [import (.only Import)]
+   ["/[1]" // (.only Input)]
    [archive
     [module
-     [descriptor {"+" Module}]]]]])
+     [descriptor (.only Module)]]]]])
 
 (exception: .public (cannot_find_module [importer Module
                                          module Module])
diff --git a/stdlib/source/library/lux/tool/compiler/meta/packager.lux b/stdlib/source/library/lux/tool/compiler/meta/packager.lux
index a92bdbbe1..50edd78a3 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/packager.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/packager.lux
@@ -2,12 +2,12 @@
  [library
   [lux "*"
    [control
-    [try {"+" Try}]]
+    [try (.only Try)]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     [collection
-     [dictionary {"+" Dictionary}]
+     [dictionary (.only Dictionary)]
      ["[0]" sequence]
      ["[0]" list ("[1]#[0]" functor)]]]
    [world
@@ -16,7 +16,7 @@
   ["[0]" cache "_"
    [dependency
     ["[1]/[0]" module]]]
-  ["[0]" archive {"+" Archive}
+  ["[0]" archive (.only Archive)
    ["[0]" artifact]
    ["[0]" registry]
    ["[0]" unit]
diff --git a/stdlib/source/library/lux/tool/compiler/meta/packager/jvm.lux b/stdlib/source/library/lux/tool/compiler/meta/packager/jvm.lux
index ac4987646..292586658 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/packager/jvm.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/packager/jvm.lux
@@ -1,21 +1,21 @@
 (.using
  [library
   [lux {"-" Module Definition}
-   ["[0]" ffi {"+" import: do_to}]
+   ["[0]" ffi (.only import: do_to)]
    [abstract
-    ["[0]" monad {"+" Monad do}]]
+    ["[0]" monad (.only Monad do)]]
    [control
     ["[0]" maybe ("[1]#[0]" functor)]
-    ["[0]" try {"+" Try}]]
+    ["[0]" try (.only Try)]]
    [data
-    ["[0]" binary {"+" Binary}]
+    ["[0]" binary (.only Binary)]
     ["[0]" text
-     ["%" format {"+" format}]]
+     ["%" format (.only format)]]
     [collection
      ["[0]" sequence]
      ["[0]" list ("[1]#[0]" functor)]
      ["[0]" dictionary]
-     ["[0]" set {"+" Set}]]]
+     ["[0]" set (.only Set)]]]
    [math
     [number
      ["n" nat]
@@ -26,14 +26,14 @@
       ["[0]" name]]]]
    [world
     ["[0]" file]]]]
- ["[0]" // {"+" Packager}
+ ["[0]" // (.only Packager)
   [//
-   ["[0]" context {"+" Context}]
-   ["[0]" archive {"+" Output}
+   ["[0]" context (.only Context)]
+   ["[0]" archive (.only Output)
     ["[0]" artifact]
     ["[0]" unit]
     ["[0]" module
-     ["[0]" descriptor {"+" Module}]]]
+     ["[0]" descriptor (.only Module)]]]
    ["[0]" cache "_"
     [dependency
      ["[1]/[0]" module]
@@ -46,7 +46,7 @@
       [phase
        [generation
         [jvm
-         ["[0]" runtime {"+" Definition}]]]]]]]]])
+         ["[0]" runtime (.only Definition)]]]]]]]]])
 
 (import: java/lang/Object
   "[1]::[0]")
diff --git a/stdlib/source/library/lux/tool/compiler/meta/packager/ruby.lux b/stdlib/source/library/lux/tool/compiler/meta/packager/ruby.lux
index 1f0506a00..f2e9a3bfd 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/packager/ruby.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/packager/ruby.lux
@@ -1,23 +1,23 @@
 (.using
  [library
   [lux "*"
-   [type {"+" sharing}]
+   [type (.only sharing)]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
-    ["[0]" try {"+" Try}]]
+    ["[0]" try (.only Try)]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding
       ["[0]" utf8]]]
     [collection
      ["[0]" sequence]
      ["[0]" list ("[1]#[0]" functor mix)]
-     ["[0]" dictionary {"+" Dictionary}]
-     ["[0]" set {"+" Set}]]]
+     ["[0]" dictionary (.only Dictionary)]
+     ["[0]" set (.only Set)]]]
    [math
     [number
      ["[0]" nat]]]
@@ -25,18 +25,18 @@
     ["_" ruby]]
    [world
     ["[0]" file]]]]
- ["[0]" // {"+" Packager}
+ ["[0]" // (.only Packager)
   [//
-   ["[0]" archive {"+" Output}
-    [registry {"+" Registry}]
+   ["[0]" archive (.only Output)
+    [registry (.only Registry)]
     ["[0]" artifact]
     ["[0]" unit]
     ["[0]" module
      ["[0]" descriptor]
-     ["[0]" document {"+" Document}]]]
+     ["[0]" document (.only Document)]]]
    ["[0]" cache "_"
     [dependency
-     ["[1]/[0]" module {"+" Order}]
+     ["[1]/[0]" module (.only Order)]
      ["[1]/[0]" artifact]]]
    ["[0]" io "_"
     ["[1]" archive]]
diff --git a/stdlib/source/library/lux/tool/compiler/meta/packager/scheme.lux b/stdlib/source/library/lux/tool/compiler/meta/packager/scheme.lux
index 5c6b6176b..f1b740052 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/packager/scheme.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/packager/scheme.lux
@@ -1,21 +1,21 @@
 (.using
  [library
   [lux {"-" Module}
-   [type {"+" sharing}]
+   [type (.only sharing)]
    [abstract
-    ["[0]" monad {"+" do}]]
+    ["[0]" monad (.only do)]]
    [control
-    ["[0]" try {"+" Try}]]
+    ["[0]" try (.only Try)]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     ["[0]" text
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      ["[0]" encoding]]
     [collection
      ["[0]" sequence]
      ["[0]" list ("[1]#[0]" functor mix)]
-     ["[0]" dictionary {"+" Dictionary}]
+     ["[0]" dictionary (.only Dictionary)]
      ["[0]" set]]
     [format
      ["[0]" tar]
@@ -23,18 +23,18 @@
    [target
     ["_" scheme]]
    [time
-    ["[0]" instant {"+" Instant}]]
+    ["[0]" instant (.only Instant)]]
    [world
     ["[0]" file]]]]
  [program
   [compositor
-   ["[0]" static {"+" Static}]]]
- ["[0]" // {"+" Packager}
+   ["[0]" static (.only Static)]]]
+ ["[0]" // (.only Packager)
   [//
-   ["[0]" archive {"+" Output}
-    ["[0]" descriptor {"+" Module Descriptor}]
+   ["[0]" archive (.only Output)
+    ["[0]" descriptor (.only Module Descriptor)]
     ["[0]" artifact]
-    ["[0]" document {"+" Document}]]
+    ["[0]" document (.only Document)]]
    [cache
     ["[0]" dependency]]
    ["[0]" io "_"
@@ -42,7 +42,7 @@
    [//
     [language
      ["$" lux
-      [generation {"+" Context}]]]]]])
+      [generation (.only Context)]]]]]])
 
 ... TODO: Delete ASAP
 (type: (Action ! a)
diff --git a/stdlib/source/library/lux/tool/compiler/meta/packager/script.lux b/stdlib/source/library/lux/tool/compiler/meta/packager/script.lux
index 37db58b89..34eb0b4ef 100644
--- a/stdlib/source/library/lux/tool/compiler/meta/packager/script.lux
+++ b/stdlib/source/library/lux/tool/compiler/meta/packager/script.lux
@@ -1,25 +1,25 @@
 (.using
  [library
   [lux "*"
-   [type {"+" sharing}]
+   [type (.only sharing)]
    [abstract
-    ["[0]" monad {"+" Monad do}]]
+    ["[0]" monad (.only Monad do)]]
    [control
-    ["[0]" try {"+" Try}]]
+    ["[0]" try (.only Try)]]
    [data
-    [binary {"+" Binary}]
+    [binary (.only Binary)]
     ["[0]" product]
     [text
-     ["%" format {"+" format}]
+     ["%" format (.only format)]
      [encoding 
       ["[0]" utf8]]]
     [collection
      ["[0]" sequence]
-     ["[0]" set {"+" Set}]
+     ["[0]" set (.only Set)]
      ["[0]" list ("[1]#[0]" functor)]]]]]
- ["[0]" // {"+" Packager}
+ ["[0]" // (.only Packager)
   [//
-   ["[0]" archive {"+" Output}
+   ["[0]" archive (.only Output)
     ["[0]" artifact]
     ["[0]" unit]
     ["[0]" module
diff --git a/stdlib/source/library/lux/tool/compiler/phase.lux b/stdlib/source/library/lux/tool/compiler/phase.lux
index ff07d7226..a38199dda 100644
--- a/stdlib/source/library/lux/tool/compiler/phase.lux
+++ b/stdlib/source/library/lux/tool/compiler/phase.lux
@@ -2,23 +2,23 @@
  [library
   [lux "*"
    [abstract
-    [functor {"+" Functor}]
-    [monad {"+" Monad do}]]
+    [functor (.only Functor)]
+    [monad (.only Monad do)]]
    [control
     ["[0]" state]
-    ["[0]" try {"+" Try} ("[1]#[0]" functor)]
-    ["[0]" exception {"+" Exception}]
+    ["[0]" try (.only Try) ("[1]#[0]" functor)]
+    ["[0]" exception (.only Exception)]
     ["[0]" io]]
    [data
     ["[0]" product]
     [text
-     ["%" format {"+" format}]]]
+     ["%" format (.only format)]]]
    [time
     ["[0]" instant]
     ["[0]" duration]]]]
  [//
   [meta
-   [archive {"+" Archive}]]])
+   [archive (.only Archive)]]])
 
 (type: .public (Operation s o)
   (state.+State Try s o))
diff --git a/stdlib/source/library/lux/tool/compiler/reference.lux b/stdlib/source/library/lux/tool/compiler/reference.lux
index 083f7e568..696fe9ff9 100644
--- a/stdlib/source/library/lux/tool/compiler/reference.lux
+++ b/stdlib/source/library/lux/tool/compiler/reference.lux
@@ -2,13 +2,13 @@
  [library
   [lux {"-" local}
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [control
     ["[0]" pipe]]
    [data
     [text
-     ["%" format {"+" Format}]]]
+     ["%" format (.only Format)]]]
    [macro
     ["^" pattern]]
    [math
@@ -17,7 +17,7 @@
    [meta
     ["[0]" symbol]]]]
  ["[0]" / "_"
-  ["[1][0]" variable {"+" Variable}]])
+  ["[1][0]" variable (.only Variable)]])
 
 (type: .public Constant
   Symbol)
diff --git a/stdlib/source/library/lux/tool/compiler/reference/variable.lux b/stdlib/source/library/lux/tool/compiler/reference/variable.lux
index 248398d35..77b13e7de 100644
--- a/stdlib/source/library/lux/tool/compiler/reference/variable.lux
+++ b/stdlib/source/library/lux/tool/compiler/reference/variable.lux
@@ -2,13 +2,13 @@
  [library
   [lux "*"
    [abstract
-    [equivalence {"+" Equivalence}]
-    [hash {"+" Hash}]]
+    [equivalence (.only Equivalence)]
+    [hash (.only Hash)]]
    [control
     ["[0]" pipe]]
    [data
     [text
-     ["%" format {"+" Format}]]]
+     ["%" format (.only Format)]]]
    [macro
     ["^" pattern]]
    [math