map -package:containers -package:bytestring -package:base-prelude -package:foldl -package:Cabal-syntax -package:monoidal-containers -is:exact -package:filepath -package:amazonka-core -package:dlist -package:aeson is:exact -package:invertible -package:incipit-base -package:psqueues -package:regex-tdfa package:charset

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