map -package:containers is:exact -package:case-insensitive -package:base-compat -package:base-prelude -package:dense-linear-algebra -package:hedgehog -package:incipit-base -package:invertible -package:ghc -package:Cabal-syntax -package:aeson package:charset

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