map is:exact -package:text -package:dense-linear-algebra -package:base-prelude -package:case-insensitive -package:ghc -package:containers -package:blaze-html -package:filepath -package:imports -package:hedgehog -package:monoidal-containers -package:bytestring -package:aeson package:charset

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