diff options
| author | Eduardo Julian | 2019-03-02 21:09:39 -0400 |
|---|---|---|
| committer | Eduardo Julian | 2019-03-02 21:09:39 -0400 |
| commit | 8a629bbbb0bd4950fb0f3c6d14c1a9a0ba057174 (patch) | |
| tree | 7d0de954b940609660b061c6eb5155b940ba771b /stdlib/source | |
| parent | 0b6be3e4022acfa4650f09f53b9aa5a5e7818cf7 (diff) | |
Added the capacity to extract type-information from values to create new types based on that.
Diffstat (limited to '')
| -rw-r--r-- | stdlib/source/lux/control/thread.lux | 2 | ||||
| -rw-r--r-- | stdlib/source/lux/tool/compiler/meta/archive.lux | 2 | ||||
| -rw-r--r-- | stdlib/source/lux/type.lux | 9 | ||||
| -rw-r--r-- | stdlib/source/test/lux/type.lux | 10 |
4 files changed, 21 insertions, 2 deletions
diff --git a/stdlib/source/lux/control/thread.lux b/stdlib/source/lux/control/thread.lux index b83acabc9..c4625d6f5 100644 --- a/stdlib/source/lux/control/thread.lux +++ b/stdlib/source/lux/control/thread.lux @@ -7,7 +7,7 @@ [data [collection ["." array (#+ Array)]]] - [type (#+ :share) + [type abstract] [tool [compiler diff --git a/stdlib/source/lux/tool/compiler/meta/archive.lux b/stdlib/source/lux/tool/compiler/meta/archive.lux index e34edf0d4..eb9761ab9 100644 --- a/stdlib/source/lux/tool/compiler/meta/archive.lux +++ b/stdlib/source/lux/tool/compiler/meta/archive.lux @@ -11,7 +11,7 @@ format] [collection ["." dictionary (#+ Dictionary)]]] - [type (#+ :share) + [type abstract] [world [file (#+ File)]]] diff --git a/stdlib/source/lux/type.lux b/stdlib/source/lux/type.lux index 8d0dcad7d..a760180c5 100644 --- a/stdlib/source/lux/type.lux +++ b/stdlib/source/lux/type.lux @@ -390,3 +390,12 @@ ## TODO: this should use : instead of :assume (:assume (~ (get@ #expression computation))))))] (wrap (list (` ((~ shareC) (~ (get@ #expression exemplar))))))))) + +(syntax: #export (:extract {type-vars type-parameters} + {exemplar typed} + {extraction s.any}) + (wrap (list (` (:of (:share [(~+ (list/map code.local-identifier type-vars))] + {(~ (get@ #type exemplar)) + (~ (get@ #expression exemplar))} + {(~ extraction) + (:assume [])})))))) diff --git a/stdlib/source/test/lux/type.lux b/stdlib/source/test/lux/type.lux index b4796911a..c7daced97 100644 --- a/stdlib/source/test/lux/type.lux +++ b/stdlib/source/test/lux/type.lux @@ -166,3 +166,13 @@ ($_ seq <quant-tests> ))))) + +(def: extraction + Test + (_.test "Can extract types." + (let [example (: (Maybe Nat) + #.Nonae)] + (type/= (type (List Nat)) + (:extract [a] + {(Maybe a) example} + (List a)))))) |