map -package:containers -package:imports -package:aeson -package:blaze-html -package:bytestring -is:exact -package:foldl -package:filepath -is:exact -package:incipit-base -package:insert-ordered-containers -package:basement -package:base -package:monoidal-containers -package:base-prelude package:charset

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