map -package:containers -package:base -package:incipit-base -package:blaze-html -package:bytestring -is:exact -is:exact is:exact -package:dlist -package:base-compat -package:invertible -package:imports -package:integration -package:Cabal-syntax -package:os-string -package:ghc package:charset

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