map -package:basement -is:exact -package:base-compat-batteries -package:imports -package:case-insensitive -package:integration -package:Cabal-syntax -package:invertible -package:base-compat -package:base-prelude is:exact -package:dense-linear-algebra -package:dlist package:charset

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