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| author | krasimir <krasimir@chalmers.se> | 2009-09-20 13:47:08 +0000 |
|---|---|---|
| committer | krasimir <krasimir@chalmers.se> | 2009-09-20 13:47:08 +0000 |
| commit | 96786c1136332efa9a889227c524ef8fe4e47fe8 (patch) | |
| tree | de85af15a057c7b5d07b5dc618e5e7ba0844df84 /src/GF/Grammar/Unify.hs | |
| parent | a29a8e4f60960122874c737d32e9d41a3575208b (diff) | |
syntax for implicit arguments in GF
Diffstat (limited to 'src/GF/Grammar/Unify.hs')
| -rw-r--r-- | src/GF/Grammar/Unify.hs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/GF/Grammar/Unify.hs b/src/GF/Grammar/Unify.hs index 8ac5351e1..9bb49cfe2 100644 --- a/src/GF/Grammar/Unify.hs +++ b/src/GF/Grammar/Unify.hs @@ -60,8 +60,8 @@ unify e1 e2 g = (Q _ a, Q _ b) | (a == b) -> return g ---- qualif? (QC _ a, QC _ b) | (a == b) -> return g ---- (Vr x, Vr y) | (x == y) -> return g - (Abs x b, Abs y c) -> do let c' = substTerm [x] [(y,Vr x)] c - unify b c' g + (Abs _ x b, Abs _ y c) -> do let c' = substTerm [x] [(y,Vr x)] c + unify b c' g (App c a, App d b) -> case unify c d g of Ok g1 -> unify a b g1 _ -> Bad (render (text "fail unify" <+> ppTerm Unqualified 0 e1)) @@ -92,6 +92,6 @@ occCheck :: MetaId -> Term -> Bool occCheck s u = case u of Meta v -> s == v App c a -> occCheck s c || occCheck s a - Abs x b -> occCheck s b + Abs _ x b -> occCheck s b _ -> False |