map -package:containers -package:base-prelude -package:ghc -package:aeson -package:dlist -package:integration -package:conduit -package:base-compat-batteries -package:blaze-html -package:filepath -package:foldl -package:Cabal-syntax -package:basement package:charset

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