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Fix typo in boxy matching
[ghc-hetmet.git]
/
ghc
/
compiler
/
typecheck
/
TcUnify.lhs
diff --git
a/ghc/compiler/typecheck/TcUnify.lhs
b/ghc/compiler/typecheck/TcUnify.lhs
index
8cd2a0b
..
2c20d1f
100644
(file)
--- a/
ghc/compiler/typecheck/TcUnify.lhs
+++ b/
ghc/compiler/typecheck/TcUnify.lhs
@@
-452,7
+452,7
@@
boxyLub orig_ty1 orig_ty2
= go orig_ty1 orig_ty2
where
go (AppTy f1 a1) (AppTy f2 a2) = AppTy (boxyLub f1 f2) (boxyLub a1 a2)
= go orig_ty1 orig_ty2
where
go (AppTy f1 a1) (AppTy f2 a2) = AppTy (boxyLub f1 f2) (boxyLub a1 a2)
- go (FunTy f1 a1) (FunTy f2 a2) = AppTy (boxyLub f1 f2) (boxyLub a1 a2)
+ go (FunTy f1 a1) (FunTy f2 a2) = FunTy (boxyLub f1 f2) (boxyLub a1 a2)
go (TyConApp tc1 ts1) (TyConApp tc2 ts2)
| tc1 == tc2, length ts1 == length ts2
= TyConApp tc1 (zipWith boxyLub ts1 ts2)
go (TyConApp tc1 ts1) (TyConApp tc2 ts2)
| tc1 == tc2, length ts1 == length ts2
= TyConApp tc1 (zipWith boxyLub ts1 ts2)