map -package:containers -package:case-insensitive -package:base-compat -package:Cabal-syntax -package:base-prelude -package:integration -package:insert-ordered-containers -package:blaze-html -package:conduit -package:invertible -package:os-string -package:foldl package:charset

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