map is:exact -package:aeson -package:blaze-html -package:basement -package:imports -package:bytestring -package:containers -package:foldl -package:invertible -package:incipit-base -package:pipes -package:base-compat-batteries -package:dense-linear-algebra package:charset

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