map -package:containers -package:base -package:base-prelude -package:basement -package:dlist -is:exact -is:exact -package:imports -package:foldl -package:blaze-html -package:pipes -package:bytestring -package:hedgehog -package:case-insensitive package:charset

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