map is:exact -package:lens -package:dlist -package:bytestring -package:conduit -package:base-compat -package:incipit-base -package:base-prelude -package:containers -package:base -package:basement -package:os-string 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.