adapt HetMet extensions to new GHC coercion representation

[ghc-hetmet.git] / compiler / prelude / TysPrim.lhs

diff --git a/compiler/prelude/TysPrim.lhs b/compiler/prelude/TysPrim.lhs
index 4c70bcb..5cacacd 100644 (file)
--- a/compiler/prelude/TysPrim.lhs
+++ b/compiler/prelude/TysPrim.lhs
@@ -27,6 +27,7 @@ module TysPrim(
        liftedTypeKind, unliftedTypeKind, openTypeKind,
         argTypeKind, ubxTupleKind,
         mkArrowKind, mkArrowKinds, isCoercionKind,
+        ecKind,
 
         funTyCon, funTyConName,
         primTyCons,
@@ -74,8 +75,6 @@ import Name           ( Name, BuiltInSyntax(..), mkInternalName, mkWiredInName )
 import OccName          ( mkTcOcc,mkTyVarOccFS, mkTcOccFS )
 import TyCon
 import TypeRep
-import Type
-import Coercion
 import SrcLoc
 import Unique          ( mkAlphaTyVarUnique )
 import PrelNames
@@ -177,6 +176,8 @@ tyVarList kind = [ mkTyVar (mkInternalName (mkAlphaTyVarUnique u)
                            where c = chr (u-2 + ord 'a')
                 ]
 
+ecKind           = liftedTypeKind `mkArrowKind` (liftedTypeKind `mkArrowKind` liftedTypeKind)
+
 ecTyVars :: [TyVar]
 ecTyVars = tyVarList ecKind