map is:exact -package:conduit -package:base-compat -package:basement -package:blaze-html -package:incipit-base -package:aeson -package:base -package:invertible -package:imports -package:os-string -package:bytestring -package:psqueues -package:foldl package:charset

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