map -package:containers -package:foldl -package:base-prelude -package:Cabal-syntax -package:blaze-html -package:base -package:invertible -package:aeson -package:basement -package:incipit-base -package:hedgehog -package:bytestring is:exact package:charset

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