map -package:containers -package:Cabal-syntax -package:insert-ordered-containers -is:exact -package:ghc -package:invertible -package:monoidal-containers -package:bytestring -package:dense-linear-algebra -package:aeson -package:foldl -package:hedgehog package:charset

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