map -package:dense-linear-algebra -package:bytestring -package:ghc -package:dlist -package:Cabal-syntax -package:basement -package:containers -package:base-compat -is:exact -package:base -is:exact -package:case-insensitive -package:regex-tdfa package:charset

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