map -package:containers -package:foldl -package:incipit-base -package:base-compat-batteries -package:insert-ordered-containers -package:case-insensitive -package:dense-linear-algebra -package:monoidal-containers -package:hedgehog -package:bytestring -is:exact package:charset

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