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-rw-r--r--stdlib/source/lux/type.lux6
-rw-r--r--stdlib/source/lux/type/auto.lux4
-rw-r--r--stdlib/source/lux/type/check.lux84
3 files changed, 50 insertions, 44 deletions
diff --git a/stdlib/source/lux/type.lux b/stdlib/source/lux/type.lux
index acdbab38d..117d77043 100644
--- a/stdlib/source/lux/type.lux
+++ b/stdlib/source/lux/type.lux
@@ -346,3 +346,9 @@
_
false))
+
+(def: #export (array level elem-type)
+ (-> Nat Type Type)
+ (case level
+ +0 elem-type
+ _ (#;Host "#Array" (list (array (n.dec level) elem-type)))))
diff --git a/stdlib/source/lux/type/auto.lux b/stdlib/source/lux/type/auto.lux
index 9bb8a5657..67d1455a1 100644
--- a/stdlib/source/lux/type/auto.lux
+++ b/stdlib/source/lux/type/auto.lux
@@ -156,7 +156,7 @@
(#;UnivQ _)
(do Monad<Check>
- [[id var] tc;create-var]
+ [[id var] tc;create]
(apply-function-type (maybe;assume (type;apply (list var) func))
arg))
@@ -173,7 +173,7 @@
(case type
(#;UnivQ _)
(do Monad<Check>
- [[id var] tc;create-var
+ [[id var] tc;create
[ids final-output] (concrete-type (maybe;assume (type;apply (list var) type)))]
(wrap [(#;Cons id ids)
final-output]))
diff --git a/stdlib/source/lux/type/check.lux b/stdlib/source/lux/type/check.lux
index b3ae0a04d..769b45391 100644
--- a/stdlib/source/lux/type/check.lux
+++ b/stdlib/source/lux/type/check.lux
@@ -160,7 +160,7 @@
#;None
(#R;Error ($_ text/compose "Unknown type-var: " (nat/encode id))))))
-(def: #export (read-var id)
+(def: #export (read id)
(-> Nat (Check Type))
(function [context]
(case (|> context (get@ #;var-bindings) (var::get id))
@@ -173,7 +173,7 @@
#;None
(#R;Error ($_ text/compose "Unknown type-var: " (nat/encode id))))))
-(def: #export (write-var id type)
+(def: #export (write id type)
(-> Nat Type (Check Unit))
(function [context]
(case (|> context (get@ #;var-bindings) (var::get id))
@@ -187,7 +187,7 @@
#;None
(#R;Error ($_ text/compose "Unknown type-var: " (nat/encode id))))))
-(def: (rewrite-var id type)
+(def: (update id type)
(-> Nat Type (Check Unit))
(function [context]
(case (|> context (get@ #;var-bindings) (var::get id))
@@ -198,7 +198,7 @@
#;None
(#R;Error ($_ text/compose "Unknown type-var: " (nat/encode id))))))
-(def: #export (clear-var id)
+(def: #export (clear id)
(-> Nat (Check Unit))
(function [context]
(case (|> context (get@ #;var-bindings) (var::get id))
@@ -217,27 +217,27 @@
(do Monad<Check>
[? (bound? id)]
(if ?
- (read-var id)
+ (read id)
(wrap type)))
(do Monad<Check>
[? (bound? id)]
(if ?
(do Monad<Check>
- [=type (read-var id)
+ [=type (read id)
==type (clean t-id =type)]
(case ==type
(#;Var =id)
(if (n.= t-id =id)
(do Monad<Check>
- [_ (clear-var id)]
+ [_ (clear id)]
(wrap type))
(do Monad<Check>
- [_ (rewrite-var id ==type)]
+ [_ (update id ==type)]
(wrap type)))
_
(do Monad<Check>
- [_ (rewrite-var id ==type)]
+ [_ (update id ==type)]
(wrap type))))
(wrap type))))
@@ -270,7 +270,7 @@
(:: Monad<Check> wrap type)
))
-(def: #export create-var
+(def: #export create
(Check [Nat Type])
(function [context]
(let [id (get@ #;var-counter context)]
@@ -291,18 +291,18 @@
(#R;Success [(set@ #;var-bindings value context)
[]])))
-(def: #export (delete-var id)
+(def: #export (delete id)
(-> Nat (Check Unit))
(function [context]
(#R;Success [(update@ #;var-bindings (var::remove id) context)
[]])))
-(def: #export (with-var k)
+(def: #export (with k)
(All [a] (-> (-> [Nat Type] (Check a)) (Check a)))
(do Monad<Check>
- [[id var] create-var
+ [[id var] create
output (k [id var])
- _ (delete-var id)]
+ _ (delete id)]
(wrap output)))
(def: #export fresh-context
@@ -355,15 +355,15 @@
(-> [Type Type] Bool Assumptions Assumptions)
(#;Cons [ea status] assumptions))
-(def: (on-var id type then else)
+(def: (on id type then else)
(All [a]
(-> Nat Type (Check a) (-> Type (Check a))
(Check a)))
(either (do Monad<Check>
- [_ (write-var id type)]
+ [_ (write id type)]
then)
(do Monad<Check>
- [bound (read-var id)]
+ [bound (read id)]
(else bound))))
(def: #export (check' expected actual assumptions)
@@ -376,12 +376,12 @@
(if (n.= e-id a-id)
(Check/wrap assumptions)
(do Monad<Check>
- [ebound (attempt (read-var e-id))
- abound (attempt (read-var a-id))]
+ [ebound (attempt (read e-id))
+ abound (attempt (read a-id))]
(case [ebound abound]
[#;None #;None]
(do @
- [_ (write-var e-id actual)]
+ [_ (write e-id actual)]
(wrap assumptions))
[(#;Some etype) #;None]
@@ -394,14 +394,14 @@
(check' etype atype assumptions))))
[(#;Var id) _]
- (on-var id actual (Check/wrap assumptions)
- (function [bound]
- (check' bound actual assumptions)))
+ (on id actual (Check/wrap assumptions)
+ (function [bound]
+ (check' bound actual assumptions)))
[_ (#;Var id)]
- (on-var id expected (Check/wrap assumptions)
- (function [bound]
- (check' expected bound assumptions)))
+ (on id expected (Check/wrap assumptions)
+ (function [bound]
+ (check' expected bound assumptions)))
[(#;Apply eA (#;Ex eid)) (#;Apply aA (#;Ex aid))]
(if (n.= eid aid)
@@ -410,7 +410,7 @@
[(#;Apply A1 (#;Var id)) (#;Apply A2 F2)]
(either (do Monad<Check>
- [F1 (read-var id)]
+ [F1 (read id)]
(check' (#;Apply A1 F1) actual assumptions))
(do Monad<Check>
[assumptions (check' (#;Var id) F2 assumptions)
@@ -420,7 +420,7 @@
[(#;Apply A1 F1) (#;Apply A2 (#;Var id))]
(either (do Monad<Check>
- [F2 (read-var id)]
+ [F2 (read id)]
(check' expected (#;Apply A2 F2) assumptions))
(do Monad<Check>
[assumptions (check' F1 (#;Var id) assumptions)
@@ -453,22 +453,22 @@
(check' expected' actual assumptions))
[_ (#;UnivQ _)]
- (with-var
- (function [[var-id var]]
- (do Monad<Check>
- [actual' (apply-type! actual var)
- assumptions (check' expected actual' assumptions)
- _ (clean var-id expected)]
- (Check/wrap assumptions))))
+ (with
+ (function [[var-id var]]
+ (do Monad<Check>
+ [actual' (apply-type! actual var)
+ assumptions (check' expected actual' assumptions)
+ _ (clean var-id expected)]
+ (Check/wrap assumptions))))
[(#;ExQ e!env e!def) _]
- (with-var
- (function [[var-id var]]
- (do Monad<Check>
- [expected' (apply-type! expected var)
- assumptions (check' expected' actual assumptions)
- _ (clean var-id actual)]
- (Check/wrap assumptions))))
+ (with
+ (function [[var-id var]]
+ (do Monad<Check>
+ [expected' (apply-type! expected var)
+ assumptions (check' expected' actual assumptions)
+ _ (clean var-id actual)]
+ (Check/wrap assumptions))))
[_ (#;ExQ a!env a!def)]
(do Monad<Check>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 22:59:26 +0000