map -package:containers -package:insert-ordered-containers -package:Cabal-syntax -package:ghc -package:incipit-base -package:invertible is:exact -package:integration -package:monoidal-containers -package:case-insensitive -package:basement -package:os-string -package:regex-tdfa package:charset

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