| TransCoercion Ty Ty
| SymCoercion Ty
| UnsafeCoercion Ty Ty
+ | InstCoercion Ty Ty
| LeftCoercion Ty
| RightCoercion Ty
-- with Nothing.
type Mname = Maybe AnMname
-type AnMname = (Pname, [Id], Id)
+newtype AnMname = M (Pname, [Id], Id)
+ deriving (Eq, Ord)
type Pname = Id
type Var = Id
type Tvar = Id
eqKind Kopen Kopen = True
eqKind (Karrow k1 k2) (Karrow l1 l2) = k1 `eqKind` l1
&& k2 `eqKind` l2
-eqKind _ _ = False -- no Keq kind is ever equal to any other...
- -- maybe ok for now?
-
+eqKind (Keq t1 t2) (Keq u1 u2) = t1 == u1
+ && t2 == u2
+eqKind _ _ = False
splitTyConApp_maybe :: Ty -> Maybe (Qual Tcon,[Ty])
splitTyConApp_maybe (Tvar _) = Nothing
primMname = mkPrimMname "Prim"
errMname = mkBaseMname "Err"
mkBaseMname,mkPrimMname :: Id -> AnMname
-mkBaseMname mn = (basePkg, ghcPrefix, mn)
-mkPrimMname mn = (primPkg, ghcPrefix, mn)
+mkBaseMname mn = M (basePkg, ghcPrefix, mn)
+mkPrimMname mn = M (primPkg, ghcPrefix, mn)
basePkg = "base"
mainPkg = "main"
primPkg = zEncodeString "ghc-prim"
baseMname = mkBaseMname "Base"
boolMname = mkPrimMname "Bool"
mainVar = qual mainMname "main"
-mainMname = (mainPkg, mainPrefix, "Main")
-wrapperMainMname = Just (mainPkg, mainPrefix, "ZCMain")
+mainMname = M (mainPkg, mainPrefix, "Main")
+wrapperMainMname = Just $ M (mainPkg, mainPrefix, "ZCMain")
tcArrow :: Qual Tcon
tcArrow = (Just primMname, "ZLzmzgZR")