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-rw-r--r--stdlib/source/lux.lux9
-rw-r--r--stdlib/source/lux/data/format/css/selector.lux2
-rw-r--r--stdlib/source/lux/data/format/json.lux17
-rw-r--r--stdlib/source/lux/data/number.lux64
-rw-r--r--stdlib/source/lux/data/number/ratio.lux7
-rw-r--r--stdlib/source/lux/function.lux25
-rw-r--r--stdlib/source/lux/host.jvm.lux34
-rw-r--r--stdlib/source/lux/macro/syntax/common/writer.lux3
-rw-r--r--stdlib/test/test/lux.lux5
9 files changed, 85 insertions, 81 deletions
diff --git a/stdlib/source/lux.lux b/stdlib/source/lux.lux
index d3a0f1825..b7de70c5d 100644
--- a/stdlib/source/lux.lux
+++ b/stdlib/source/lux.lux
@@ -3985,10 +3985,7 @@
#None
(fail "Wrong syntax for structure:"))))
-(def: #export (id x)
- {#.doc "Identity function. Does nothing to it's argument and just returns it."}
- (All [a] (-> a a))
- x)
+(def: (identity x) (All [a] (-> a a)) x)
(macro: #export (type: tokens)
{#.doc (text$ ($_ "lux text concat"
@@ -5302,8 +5299,8 @@
<open>
parts-text
<close>)]))
- ([#Form "(" ")" id]
- [#Tuple "[" "]" id]
+ ([#Form "(" ")" ..identity]
+ [#Tuple "[" "]" ..identity]
[#Record "{" "}" rejoin-all-pairs])
[new-cursor (#Rev value)]
diff --git a/stdlib/source/lux/data/format/css/selector.lux b/stdlib/source/lux/data/format/css/selector.lux
index 905012aeb..7b80e4973 100644
--- a/stdlib/source/lux/data/format/css/selector.lux
+++ b/stdlib/source/lux/data/format/css/selector.lux
@@ -1,5 +1,5 @@
(.module:
- [lux (#- or and for id is? not)
+ [lux (#- or and for is? not)
[data
["." text
format]]
diff --git a/stdlib/source/lux/data/format/json.lux b/stdlib/source/lux/data/format/json.lux
index 7d2e90270..edafe3178 100644
--- a/stdlib/source/lux/data/format/json.lux
+++ b/stdlib/source/lux/data/format/json.lux
@@ -296,7 +296,7 @@
[string Text #String "string"]
)
-(do-template [<test> <check> <type> <eq> <encoder> <tag> <desc> <pre>]
+(do-template [<test> <check> <type> <eq> <encoder> <tag> <desc>]
[(def: #export (<test> test)
{#.doc (code.text ($_ text/compose "Asks whether a JSON value is a " <desc> "."))}
(-> <type> (Reader Bit))
@@ -304,7 +304,7 @@
[head any]
(case head
(<tag> value)
- (wrap (:: <eq> = test (<pre> value)))
+ (wrap (:: <eq> = test value))
_
(fail ($_ text/compose "JSON value is not " <desc> ".")))))
@@ -316,17 +316,16 @@
[head any]
(case head
(<tag> value)
- (let [value (<pre> value)]
- (if (:: <eq> = test value)
- (wrap [])
- (fail ($_ text/compose "Value mismatch: " (<encoder> test) " =/= " (<encoder> value)))))
+ (if (:: <eq> = test value)
+ (wrap [])
+ (fail ($_ text/compose "Value mismatch: " (<encoder> test) " =/= " (<encoder> value))))
_
(fail ($_ text/compose "JSON value is not a " <desc> ".")))))]
- [boolean? boolean! Bit bit.Equivalence<Bit> encode-boolean #Boolean "boolean" id]
- [number? number! Frac number.Equivalence<Frac> (:: number.Codec<Text,Frac> encode) #Number "number" id]
- [string? string! Text text.Equivalence<Text> text.encode #String "string" id]
+ [boolean? boolean! Bit bit.Equivalence<Bit> encode-boolean #Boolean "boolean"]
+ [number? number! Frac number.Equivalence<Frac> (:: number.Codec<Text,Frac> encode) #Number "number"]
+ [string? string! Text text.Equivalence<Text> text.encode #String "string"]
)
(def: #export (nullable parser)
diff --git a/stdlib/source/lux/data/number.lux b/stdlib/source/lux/data/number.lux
index e745d542a..f297f2788 100644
--- a/stdlib/source/lux/data/number.lux
+++ b/stdlib/source/lux/data/number.lux
@@ -12,14 +12,14 @@
[data
["." error (#+ Error)]
["." maybe]
- ["." text]
+ ["." text (#+ Char)]
[collection
["." array (#+ Array)]]]
+ ["." function]
["." math]]
[/
["." i64]])
-## [Structures]
(do-template [<type> <test>]
[(structure: #export _ (Equivalence <type>)
(def: = <test>))]
@@ -44,14 +44,38 @@
[Frac Equivalence<Frac> f/< f/<= f/> f/>=]
)
+(do-template [<type> <order> <succ> <pred>]
+ [(structure: #export _ (Enum <type>)
+ (def: order <order>)
+ (def: succ <succ>)
+ (def: pred <pred>))]
+
+ [Nat Order<Nat> inc dec]
+ [Int Order<Int> inc dec]
+ [Frac Order<Frac> (f/+ ("lux frac smallest")) (f/- ("lux frac smallest"))]
+ [Rev Order<Rev> inc dec]
+ )
+
+(do-template [<type> <enum> <top> <bottom>]
+ [(structure: #export _ (Interval <type>)
+ (def: enum <enum>)
+ (def: top <top>)
+ (def: bottom <bottom>))]
+
+ [ Nat Enum<Nat> (:coerce Nat -1) 0]
+ [ Int Enum<Int> +9_223_372_036_854_775_807 -9_223_372_036_854_775_808]
+ [Frac Enum<Frac> ("lux frac max") ("lux frac min")]
+ [ Rev Enum<Rev> (:coerce Rev -1) (:coerce Rev 0)]
+ )
+
(structure: #export _ (Number Nat)
(def: + n/+)
(def: - n/-)
(def: * n/*)
(def: / n//)
(def: % n/%)
- (def: negate id)
- (def: abs id)
+ (def: (negate value) (n/- (:: Interval<Nat> top) value))
+ (def: abs function.identity)
(def: (signum x)
(case x
0 0
@@ -88,34 +112,10 @@
(def: / r//)
(def: % r/%)
(def: (negate x) (r/- x (:coerce Rev -1)))
- (def: abs id)
+ (def: abs function.identity)
(def: (signum x)
(:coerce Rev -1)))
-(do-template [<type> <order> <succ> <pred>]
- [(structure: #export _ (Enum <type>)
- (def: order <order>)
- (def: succ <succ>)
- (def: pred <pred>))]
-
- [Nat Order<Nat> inc dec]
- [Int Order<Int> inc dec]
- [Frac Order<Frac> (f/+ ("lux frac smallest")) (f/- ("lux frac smallest"))]
- [Rev Order<Rev> inc dec]
- )
-
-(do-template [<type> <enum> <top> <bottom>]
- [(structure: #export _ (Interval <type>)
- (def: enum <enum>)
- (def: top <top>)
- (def: bottom <bottom>))]
-
- [ Nat Enum<Nat> (:coerce Nat -1) 0]
- [ Int Enum<Int> +9_223_372_036_854_775_807 -9_223_372_036_854_775_808]
- [Frac Enum<Frac> ("lux frac max") ("lux frac min")]
- [ Rev Enum<Rev> (:coerce Rev -1) (:coerce Rev 0)]
- )
-
(do-template [<name> <type> <identity> <compose>]
[(structure: #export <name> (Monoid <type>)
(def: identity <identity>)
@@ -177,9 +177,6 @@
[Frac "lux frac encode" "lux frac decode" "Could not decode Frac"]
)
-## [Values & Syntax]
-(type: Char Nat)
-
(def: (get-char! full idx)
(-> Text Nat Char)
("lux text char" full idx))
@@ -1011,10 +1008,9 @@
shifted
(f/* -1.0 shifted))))))
-## [Hash]
(structure: #export _ (Hash Nat)
(def: eq Equivalence<Nat>)
- (def: hash id))
+ (def: hash function.identity))
(structure: #export _ (Hash Int)
(def: eq Equivalence<Int>)
diff --git a/stdlib/source/lux/data/number/ratio.lux b/stdlib/source/lux/data/number/ratio.lux
index 647eaf4b5..1447040e6 100644
--- a/stdlib/source/lux/data/number/ratio.lux
+++ b/stdlib/source/lux/data/number/ratio.lux
@@ -8,12 +8,13 @@
monad
["p" parser]]
[data
- ["E" error]
+ ["." error]
["." product]
["." maybe]
[number ("nat/." Codec<Text,Nat>)]
["." text ("text/." Monoid<Text>)
format]]
+ ["." function]
["." math]
["." macro
["." code]
@@ -121,7 +122,7 @@
(def: (negate (^slots [#numerator #denominator]))
{#numerator denominator
#denominator numerator})
- (def: abs id)
+ (def: abs function.identity)
(def: (signum x)
{#numerator 1
#denominator 1}))
@@ -139,7 +140,7 @@
(def: (decode input)
(case (text.split-with separator input)
(#.Some [num denom])
- (do E.Monad<Error>
+ (do error.Monad<Error>
[numerator (nat/decode num)
denominator (nat/decode denom)]
(wrap (normalize {#numerator numerator
diff --git a/stdlib/source/lux/function.lux b/stdlib/source/lux/function.lux
index 4d4af846a..ca6ebb73e 100644
--- a/stdlib/source/lux/function.lux
+++ b/stdlib/source/lux/function.lux
@@ -1,24 +1,39 @@
(.module:
[lux #*
- [control [monoid (#+ Monoid)]]])
+ [control
+ [monoid (#+ Monoid)]]])
+
+(def: #export identity
+ {#.doc (doc "Identity function."
+ "Does nothing to it's argument and just returns it."
+ (= (identity "foo")
+ "foo"))}
+ (All [a] (-> a a))
+ (|>>))
(def: #export (compose f g)
- {#.doc "Function composition."}
+ {#.doc (doc "Function composition."
+ (= ((compose f g) "foo")
+ (f (g "foo"))))}
(All [a b c]
(-> (-> b c) (-> a b) (-> a c)))
(|>> g f))
(def: #export (constant value)
- {#.doc "Create constant functions."}
+ {#.doc (doc "Create constant functions."
+ (= ((constant "foo") "bar")
+ "foo"))}
(All [o] (-> o (All [i] (-> i o))))
(function (_ _) value))
(def: #export (flip f)
- {#.doc "Flips the order of the arguments of a function."}
+ {#.doc (doc "Flips the order of the arguments of a function."
+ (= ((flip f) "foo" "bar")
+ (f "bar" "foo")))}
(All [a b c]
(-> (-> a b c) (-> b a c)))
(function (_ x y) (f y x)))
(structure: #export Monoid<Function> (All [a] (Monoid (-> a a)))
- (def: identity id)
+ (def: identity ..identity)
(def: compose ..compose))
diff --git a/stdlib/source/lux/host.jvm.lux b/stdlib/source/lux/host.jvm.lux
index 8a6a9f43c..6da77945f 100644
--- a/stdlib/source/lux/host.jvm.lux
+++ b/stdlib/source/lux/host.jvm.lux
@@ -15,7 +15,7 @@
[collection
["." array (#+ Array)]
["." list ("list/." Monad<List> Fold<List> Monoid<List>)]]]
- function
+ ["." function]
["." type ("type/." Equivalence<Type>)]
["." macro (#+ with-gensyms Functor<Meta> Monad<Meta>)
["." code]
@@ -1388,7 +1388,7 @@
(spaced (list (super-class-decl$ super)
(with-brackets (spaced (list/map super-class-decl$ interfaces)))
(with-brackets (spaced (list/map constructor-arg$ constructor-args)))
- (with-brackets (spaced (list/map (method-def$ id super) methods))))))]
+ (with-brackets (spaced (list/map (method-def$ function.identity super) methods))))))]
(wrap (list (` ((~ (code.text def-code))))))))
(syntax: #export (null)
@@ -1398,23 +1398,19 @@
(def: #export (null? obj)
{#.doc (doc "Test for null object reference."
- (null? (null))
- "=>"
- #1
- (null? "YOLO")
- "=>"
- #0)}
+ (= (null? (null))
+ true)
+ (= (null? "YOLO")
+ false))}
(-> (primitive "java.lang.Object") Bit)
("jvm object null?" obj))
(syntax: #export (??? expr)
{#.doc (doc "Takes a (potentially null) ObjectType reference and creates a (Maybe ObjectType) for it."
- (??? (: java/lang/String (null)))
- "=>"
- #.None
- (??? "YOLO")
- "=>"
- (#.Some "YOLO"))}
+ (= (??? (: java/lang/String (null)))
+ #.None)
+ (= (??? "YOLO")
+ (#.Some "YOLO")))}
(with-gensyms [g!temp]
(wrap (list (` (let [(~ g!temp) (~ expr)]
(if ("jvm object null?" (~ g!temp))
@@ -1424,12 +1420,10 @@
(syntax: #export (!!! expr)
{#.doc (doc "Takes a (Maybe ObjectType) and returns a ObjectType."
"A #.None would get translated into a (null)."
- (!!! (??? (: java/lang/Thread (null))))
- "=>"
- (null)
- (!!! (??? "YOLO"))
- "=>"
- "YOLO")}
+ (= (null)
+ (!!! (??? (: java/lang/Thread (null)))))
+ (= "foo"
+ (!!! (??? "foo"))))}
(with-gensyms [g!value]
(wrap (list (` ({(#.Some (~ g!value))
(~ g!value)
diff --git a/stdlib/source/lux/macro/syntax/common/writer.lux b/stdlib/source/lux/macro/syntax/common/writer.lux
index fe4c961e2..3affd97f7 100644
--- a/stdlib/source/lux/macro/syntax/common/writer.lux
+++ b/stdlib/source/lux/macro/syntax/common/writer.lux
@@ -5,6 +5,7 @@
[collection
[list ("list/." Functor<List>)]]
["." product]]
+ ["." function]
[macro
["." code]]]
["." //])
@@ -23,7 +24,7 @@
(def: #export annotations
(-> //.Annotations Code)
- (|>> (list/map (product.both code.tag id))
+ (|>> (list/map (product.both code.tag function.identity))
code.record))
(def: #export type-variables
diff --git a/stdlib/test/test/lux.lux b/stdlib/test/test/lux.lux
index 72b9f45ef..0e41a961c 100644
--- a/stdlib/test/test/lux.lux
+++ b/stdlib/test/test/lux.lux
@@ -6,6 +6,7 @@
[data
[number
["." i64]]]
+ ["." function]
["." math
["r" random (#+ Random) ("r/." Functor<Random>)]]
["_" test (#+ Test)]]
@@ -21,8 +22,8 @@
($_ _.and
(_.test "Every value is identical to itself."
(is? self self))
- (_.test "The 'id' function doesn't change values in any way."
- (is? self (id self)))
+ (_.test "The identity function doesn't change values in any way."
+ (is? self (function.identity self)))
(do @
[other (r.unicode 1)]
(_.test "Values created separately can't be identical."
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 13:37:29 +0000