%
\begin{code}
-{-# OPTIONS -w #-}
+{-# OPTIONS -fno-warn-incomplete-patterns #-}
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and fix
-- any warnings in the module. See
mkGenericLocal :: US -> RdrName
mkGenericLocal u = mkVarUnqual (mkFastString ("g" ++ show u))
+mkGenericNames :: TyCon -> (RdrName, RdrName)
mkGenericNames tycon
= (from_RDR, to_RDR)
where
-------------------
-- bimapArrow :: [EP a a', EP b b'] -> EP (a->b) (a'->b')
+bimapArrow :: [EP (LHsExpr RdrName)] -> EP (LHsExpr RdrName)
bimapArrow [ep1, ep2]
= EP { fromEP = mkHsLam [nlVarPat a_RDR, nlVarPat b_RDR] from_body,
toEP = mkHsLam [nlVarPat a_RDR, nlVarPat b_RDR] to_body }
-------------------
-- bimapTuple :: [EP a1 b1, ... EP an bn] -> EP (a1,...an) (b1,..bn)
+bimapTuple :: [EP (LHsExpr RdrName)] -> EP (LHsExpr RdrName)
bimapTuple eps
= EP { fromEP = mkHsLam [noLoc tuple_pat] (noLoc from_body),
toEP = mkHsLam [noLoc tuple_pat] (noLoc to_body) }
-------------------
-- bimapList :: EP a b -> EP [a] [b]
+bimapList :: [EP (LHsExpr RdrName)] -> EP (LHsExpr RdrName)
bimapList [ep]
= EP { fromEP = nlHsApp (nlHsVar map_RDR) (fromEP ep),
toEP = nlHsApp (nlHsVar map_RDR) (toEP ep) }
-------------------
-a_RDR = mkVarUnqual FSLIT("a")
-b_RDR = mkVarUnqual FSLIT("b")
+a_RDR, b_RDR :: RdrName
+a_RDR = mkVarUnqual (fsLit "a")
+b_RDR = mkVarUnqual (fsLit "b")
+
+gs_RDR :: [RdrName]
gs_RDR = [ mkVarUnqual (mkFastString ("g"++show i)) | i <- [(1::Int) .. ] ]
idEP :: EP (LHsExpr RdrName)