map -package:containers -package:ghc -package:dense-linear-algebra -package:incipit-base -package:aeson -package:integration -package:blaze-html -package:monoidal-containers -package:bytestring -is:exact -package:case-insensitive -package:pipes -package:os-string -package:dlist package:charset

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