diff options
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 |