map -package:containers -package:case-insensitive -package:base-compat-batteries -package:incipit-base -package:Cabal-syntax -package:dense-linear-algebra -package:integration -package:invertible -package:insert-ordered-containers -package:base -package:conduit -package:basement package:charset

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