map is:exact -package:text -package:dense-linear-algebra -package:bytestring -package:base-compat-batteries -package:aeson -package:foldl -package:ghc -package:Cabal-syntax -package:base-compat -package:imports -package:insert-ordered-containers package:charset

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