map -package:containers -package:bytestring -package:blaze-html -is:exact -is:exact -package:imports -package:base-compat-batteries -package:base -is:exact -package:dlist -package:incipit-base -package:invertible -package:base-compat -package:aeson -package:base-prelude package:charset

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