toHsType (IfaceAppTy t1 t2) = noLoc $ HsAppTy (toHsType t1) (toHsType t2)
toHsType (IfaceFunTy t1 t2) = noLoc $ HsFunTy (toHsType t1) (toHsType t2)
toHsType (IfaceTyConApp (IfaceTc tc) ts) = foldl mkHsAppTy (noLoc $ HsTyVar (ifaceExtRdrName tc)) (map toHsType ts)
toHsType (IfaceForAllTy tv t) = add_forall (toHsTvBndr tv) (toHsType t)
toHsTvBndr :: IfaceTvBndr -> LHsTyVarBndr RdrName
toHsType (IfaceAppTy t1 t2) = noLoc $ HsAppTy (toHsType t1) (toHsType t2)
toHsType (IfaceFunTy t1 t2) = noLoc $ HsFunTy (toHsType t1) (toHsType t2)
toHsType (IfaceTyConApp (IfaceTc tc) ts) = foldl mkHsAppTy (noLoc $ HsTyVar (ifaceExtRdrName tc)) (map toHsType ts)
toHsType (IfaceForAllTy tv t) = add_forall (toHsTvBndr tv) (toHsType t)
toHsTvBndr :: IfaceTvBndr -> LHsTyVarBndr RdrName