map -package:containers -package:bytestring -package:blaze-html -package:insert-ordered-containers -package:Cabal-syntax -package:base-compat -package:monoidal-containers -package:base-prelude -package:ghc -package:basement -package:base-compat-batteries -is:exact package:charset

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