map -package:conduit -is:exact -package:bytestring -package:containers -package:monoidal-containers -package:os-string -package:ghc -package:hedgehog -package:psqueues -package:invertible -package:dlist -package:regex-tdfa -package:foldl -package:pipes -package:amazonka-core package:charset

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