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applied fix to other ascriptions

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This commit is contained in:
William Ball 2024-12-05 19:05:34 -08:00
parent c0e0c37689
commit 7e3a347485
1 changed files with 3 additions and 2 deletions
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5
lib/Check.hs
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@ -60,17 +60,18 @@ findType g e@(App m n) = do
findType g f@(Abs x a asc m) = do
validateType g a
b <- findType (incIndices a : map incIndices g) m
whenJust asc (betaEquiv' f b)
whenJust asc (void . liftA2 ($>) (findType g) (betaEquiv' f b))
validateType g (Pi x a Nothing b)
pure $ if occursFree 0 b then Pi x a Nothing b else Pi "" a Nothing b
findType g f@(Pi _ a asc b) = do
aSort <- findType g a
bSort <- findType (incIndices a : map incIndices g) b
whenJust asc $ betaEquiv' f bSort
whenJust asc (void . liftA2 ($>) (findType g) (betaEquiv' f bSort))
liftEither $ compSort a b aSort bSort
findType g (Let _ Nothing v b) = findType g (subst 0 v b)
findType g e@(Let _ (Just t) v b) = do
res <- findType g (subst 0 v b)
_ <- findType g t
betaEquiv' e t res
pure t