tcTyVarsOfType, tcTyVarsOfTypes, exactTyVarsOfType, exactTyVarsOfTypes,
pprKind, pprParendKind,
- pprType, pprParendType, pprTyThingCategory,
+ pprType, pprParendType, pprTypeApp, pprTyThingCategory,
pprPred, pprTheta, pprThetaArrow, pprClassPred
) where
isTauTyCon :: TyCon -> Bool
-- Returns False for type synonyms whose expansion is a polytype
isTauTyCon tc
- | isSynTyCon tc && not (isOpenTyCon tc) = isTauTy (snd (synTyConDefn tc))
- | otherwise = True
+ | isClosedSynTyCon tc = isTauTy (snd (synTyConDefn tc))
+ | otherwise = True
---------------
isBoxyTy :: TcType -> Bool