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Properly ppr InstEqs in wanteds of implication constraints
[ghc-hetmet.git]
/
compiler
/
basicTypes
/
Var.lhs
diff --git
a/compiler/basicTypes/Var.lhs
b/compiler/basicTypes/Var.lhs
index
4b58a32
..
e66286e
100644
(file)
--- a/
compiler/basicTypes/Var.lhs
+++ b/
compiler/basicTypes/Var.lhs
@@
-231,10
+231,11
@@
setCoVarName = setVarName
mkCoVar :: Name -> Kind -> CoVar
mkCoVar name kind = ASSERT( isCoercionKind kind )
mkCoVar :: Name -> Kind -> CoVar
mkCoVar name kind = ASSERT( isCoercionKind kind )
- TyVar { varName = name
- , realUnique = getKey# (nameUnique name)
- , varType = kind
- , isCoercionVar = True
+ TyVar { varName = name
+ , realUnique = getKey# (nameUnique name)
+ , varType = kind
+ -- varType is always PredTy (EqPred t1 t2)
+ , isCoercionVar = True
}
mkWildCoVar :: Kind -> TyVar
}
mkWildCoVar :: Kind -> TyVar