map -package:containers -package:case-insensitive -package:base-prelude -package:insert-ordered-containers -package:base -package:bytestring -package:invertible -package:foldl -package:hedgehog -package:monoidal-containers -package:filepath -package:dense-linear-algebra package:charset

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