map -package:containers -package:bytestring -package:basement -package:aeson -package:psqueues -package:hedgehog -package:filepath -package:pipes -package:dlist -package:conduit -package:Cabal-syntax -package:integration -package:regex-tdfa -package:unordered-containers package:charset

map :: (Char -> Char) -> CharSet -> CharSet
charset Data.CharSet