map is:exact -package:aeson -package:conduit -package:dlist -package:blaze-html -package:basement -package:invertible -package:imports -package:base-prelude -package:incipit-base -package:base -package:containers 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.