map -package:containers -package:case-insensitive -package:insert-ordered-containers -package:invertible -package:Cabal-syntax -package:dlist -package:integration -package:base -package:incipit-base -package:ghc -package:filepath -package:foldl -package:imports package:charset

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