map is:exact -package:text -package:amazonka-core -package:basement -package:bytestring -package:case-insensitive -package:incipit-base -package:base -package:filepath -package:monoidal-containers -package:hedgehog -package:invertible -package:insert-ordered-containers -package:aeson package:charset

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