map -package:containers -package:basement -package:psqueues -package:Cabal-syntax -is:exact -package:incipit-base -package:filepath -package:monoidal-containers -package:aeson -package:ghc -package:bytestring -package:hedgehog -package:text -package:case-insensitive -package:dense-linear-algebra -package:invertible package:charset

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