map is:exact -package:conduit -package:bytestring -package:invertible -package:Cabal-syntax -package:aeson -package:filepath -package:containers -package:hedgehog -package:os-string -package:psqueues -package:regex-tdfa -package:monoidal-containers -package:amazonka-core package:charset

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