map -package:containers -package:base-compat -package:imports -package:base-prelude -package:dlist -is:exact -package:dense-linear-algebra -package:case-insensitive -package:foldl -package:aeson -package:basement -package:hedgehog -package:psqueues package:charset

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