map -package:vector -package:aeson -package:ghc -package:Cabal-syntax -package:dlist -package:containers -package:basement -package:base-compat -package:psqueues -package:amazonka-core -package:invertible -package:hedgehog -package:base-compat-batteries -package:case-insensitive -package:base package:charset

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