map is:exact -package:conduit -package:basement -package:Cabal-syntax -package:pipes -package:imports -package:invertible -package:case-insensitive -package:blaze-html -package:aeson -package:os-string -package:base -package:incipit-base -package:base-compat -package:monoidal-containers package:charset

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