map -package:containers -package:basement -package:conduit -is:exact -package:bytestring -package:amazonka-core -package:os-string -package:incipit-base -package:psqueues -package:monoidal-containers -package:base-compat-batteries -package:regex-tdfa package:charset

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