add -fsimpleopt-before-flatten

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

diff --git a/compiler/prelude/TysPrim.lhs b/compiler/prelude/TysPrim.lhs
index 3490a82..a5d9335 100644 (file)
--- a/compiler/prelude/TysPrim.lhs
+++ b/compiler/prelude/TysPrim.lhs
@@ -10,8 +10,9 @@
 --   They are all, therefore, wired-in TyCons.  C.f module TysWiredIn
 module TysPrim(
        alphaTyVars, betaTyVars, alphaTyVar, betaTyVar, gammaTyVar, deltaTyVar,
-       alphaTy, betaTy, gammaTy, deltaTy,
+       alphaTy, betaTy, gammaTy, deltaTy, ecTyVars,
        openAlphaTy, openBetaTy, openAlphaTyVar, openBetaTyVar, openAlphaTyVars,
+        argAlphaTy, argAlphaTyVar, argBetaTy, argBetaTyVar,
 
        primTyCons,
 
@@ -57,6 +58,7 @@ import OccName                ( mkTcOcc )
 import OccName         ( mkTyVarOccFS, mkTcOccFS )
 import TyCon           ( TyCon, mkPrimTyCon, mkLiftedPrimTyCon, mkAnyTyCon )
 import Type
+import TypeRep          ( ecKind )
 import Coercion
 import SrcLoc
 import Unique          ( mkAlphaTyVarUnique )
@@ -157,6 +159,9 @@ tyVarList kind = [ mkTyVar (mkInternalName (mkAlphaTyVarUnique u)
                            where c = chr (u-2 + ord 'a')
                 ]
 
+ecTyVars :: [TyVar]
+ecTyVars = tyVarList ecKind
+
 alphaTyVars :: [TyVar]
 alphaTyVars = tyVarList liftedTypeKind
 
@@ -180,7 +185,13 @@ openAlphaTyVars@(openAlphaTyVar:openBetaTyVar:_) = tyVarList openTypeKind
 
 openAlphaTy, openBetaTy :: Type
 openAlphaTy = mkTyVarTy openAlphaTyVar
-openBetaTy   = mkTyVarTy openBetaTyVar
+openBetaTy  = mkTyVarTy openBetaTyVar
+
+argAlphaTyVar, argBetaTyVar :: TyVar
+(argAlphaTyVar : argBetaTyVar : _) = tyVarList argTypeKind
+argAlphaTy, argBetaTy :: Type
+argAlphaTy = mkTyVarTy argAlphaTyVar
+argBetaTy  = mkTyVarTy argBetaTyVar
 \end{code}