map -package:vector -package:conduit -package:containers -package:base-prelude -package:case-insensitive -package:bytestring is:exact -package:base -package:invertible -package:incipit-base -package:filepath -package:insert-ordered-containers -package:Cabal-syntax package:charset

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