map -package:containers -package:bytestring -package:foldl -package:invertible -package:pipes -package:Cabal-syntax -package:incipit-base -package:hedgehog -package:basement -package:monoidal-containers -package:aeson -package:os-string -package:amazonka-core -package:psqueues -package:base-compat -package:integration -package:text package:charset

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