Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/PackedString/Map.hs
module NHC.PackedString where import Prelude hiding (map) import qualified Prelude (map) import DPackedString import PackString import UnpackPS map :: (Char -> Char) -> PackedString -> PackedString map f = packString . Prelude.map f . unpackPS