map -package:containers -package:bytestring -package:incipit-base -package:base-compat -package:basement -package:pipes -package:os-string -package:Cabal-syntax -package:hedgehog -is:exact -package:blaze-html -package:psqueues -package:insert-ordered-containers -package:invertible -package:base -package:monoidal-containers package:charset

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