map is:exact -package:text -package:containers -package:charset -package:foldl -package:bytestring -package:blaze-html -package:base-prelude -package:invertible -package:conduit -package:base -package:filepath -package:basement package:psqueues
O(n) Modify every value in the queue.
O(n) Modify every value in the queue.
O(n) Modify every value in the queue.