map -package:base-prelude -package:base-compat -package:case-insensitive -package:bytestring -package:blaze-html -package:hedgehog -package:basement -package:amazonka-core -package:dlist -package:conduit -package:psqueues -package:filepath -package:os-string -package:text -package:pipes package:charset

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