map -package:containers -package:base-compat -package:Cabal-syntax -package:basement -package:base-prelude -package:hedgehog -package:blaze-html -package:integration -package:bytestring -package:dense-linear-algebra -package:incipit-base -package:case-insensitive -package:pipes -package:invertible -package:os-string -package:text package:charset

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