map -package:containers -package:insert-ordered-containers -package:Cabal-syntax -package:ghc -package:dlist -package:blaze-html -package:bytestring -package:monoidal-containers -package:psqueues -package:conduit -package:base-compat-batteries -package:integration -is:exact -is:exact -package:incipit-base package:charset

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