map -package:containers -package:case-insensitive -package:insert-ordered-containers -package:monoidal-containers -package:imports -package:bytestring -package:conduit -package:base -package:integration -package:Cabal-syntax -package:base-prelude -package:ghc -package:filepath -package:base-compat -package:hedgehog package:charset

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