map -package:containers -package:base-prelude -package:Cabal-syntax -package:integration -package:dlist -package:base -package:base-compat-batteries -package:imports -package:filepath -is:exact -package:ghc -package:dense-linear-algebra -package:base-compat package:charset

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