map -package:containers is:exact -package:conduit -package:blaze-html -package:incipit-base -package:basement -package:base-prelude -package:aeson -package:Cabal-syntax -package:os-string -package:psqueues -package:regex-tdfa -package:foldl package:monoidal-containers
O(n) Transform this map by applying a function to every value.