map -package:containers -package:case-insensitive -package:aeson -package:dlist -is:exact -package:foldl -package:basement -package:hedgehog -package:base -package:integration -package:conduit is:exact -package:os-string -package:dense-linear-algebra -package:regex-tdfa -package:base-prelude -package:invertible package:charset

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