Add assertion checks for mkCoVar/mkTyVar

[ghc-hetmet.git] / compiler / types / Coercion.lhs

diff --git a/compiler/types/Coercion.lhs b/compiler/types/Coercion.lhs
index 672deae..e17d0b0 100644 (file)
--- a/compiler/types/Coercion.lhs
+++ b/compiler/types/Coercion.lhs
@@ -39,7 +39,7 @@ module Coercion (
 import TypeRep
 import Type
 import TyCon
-import Var hiding (isCoVar)
+import Var
 import Name
 import OccName
 import PrelNames
@@ -91,9 +91,6 @@ splitCoercionKind_maybe co | Just co' <- kindView co = splitCoercionKind_maybe c
 splitCoercionKind_maybe (PredTy (EqPred ty1 ty2)) = Just (ty1, ty2)
 splitCoercionKind_maybe other = Nothing
 
-isCoVar :: Var -> Bool
-isCoVar tv = isTyVar tv && isCoercionKind (tyVarKind tv)
-
 type Coercion     = Type
 type CoercionKind = Kind       -- A CoercionKind is always of form (ty1 :=: ty2)