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Diffstat (limited to 'new-luxc/source/luxc/base.lux')
| -rw-r--r-- | new-luxc/source/luxc/base.lux | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/new-luxc/source/luxc/base.lux b/new-luxc/source/luxc/base.lux index 580f5593f..c7768cd8c 100644 --- a/new-luxc/source/luxc/base.lux +++ b/new-luxc/source/luxc/base.lux @@ -63,6 +63,18 @@ (#e;Success [(set@ #;type-context context' compiler) output])))) +(def: #export (with-fresh-type-env action) + (All [a] (-> (Meta a) (Meta a))) + (function [compiler] + (let [old (get@ #;type-context compiler)] + (case (action (set@ #;type-context tc;fresh-context compiler)) + (#e;Success [compiler' output]) + (#e;Success [(set@ #;type-context old compiler') + output]) + + output + output)))) + (def: #export (infer actualT) (-> Type (Meta Unit)) (do meta;Monad<Meta> |