map -package:containers -package:base -package:base-compat -package:case-insensitive -package:invertible -package:dlist -package:Cabal-syntax -is:exact -package:blaze-html -package:monoidal-containers -package:hedgehog -package:aeson -package:dense-linear-algebra package:charset

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