map is:exact -package:basement -package:invertible -package:base-prelude -package:dlist -package:filepath -package:hedgehog -package:base -package:incipit-base -package:os-string -package:charset 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.