map -package:containers -package:Cabal-syntax -package:basement -package:psqueues -package:base-compat-batteries is:exact -package:aeson -package:foldl -package:filepath -package:monoidal-containers -package:invertible -package:dense-linear-algebra -package:regex-tdfa -package:text -package:base-prelude -package:ghc package:charset

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