map -package:containers -package:insert-ordered-containers is:exact -package:base-compat -package:base -package:ghc -package:hedgehog -package:base-compat-batteries -package:integration -package:blaze-html -package:dense-linear-algebra -package:Cabal-syntax -package:os-string -package:aeson -package:psqueues package:charset

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