map is:exact -package:bytestring -package:dense-linear-algebra -package:case-insensitive -package:base -package:basement -package:foldl -package:base-compat-batteries -package:ghc -package:os-string -package:aeson -package:pipes -package:blaze-html -package:incipit-base -package:Cabal-syntax -package:invertible -package:conduit package:charset

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