map -package:containers -is:exact -package:insert-ordered-containers -package:base-compat -package:monoidal-containers -package:dlist -package:base-compat-batteries -package:ghc -package:bytestring -package:pipes -package:incipit-base -package:amazonka-core -package:conduit -package:integration -is:exact package:charset

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