map -package:containers -package:base -package:insert-ordered-containers -package:basement -package:psqueues -package:incipit-base -is:exact -is:exact -package:monoidal-containers -package:aeson -package:bytestring -package:case-insensitive -package:filepath -package:foldl -package:imports -package:base-prelude -package:base-compat-batteries package:charset

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