map -package:containers -package:bytestring -package:integration -package:Cabal-syntax -package:base-compat-batteries -package:foldl -package:case-insensitive -package:invertible -package:base -package:dense-linear-algebra -package:amazonka-core -package:dlist is:exact package:charset

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