map is:exact -package:vector -package:containers -package:basement -package:aeson -package:invertible -package:base-compat-batteries -package:case-insensitive -package:dlist -package:insert-ordered-containers -package:pipes -package:base 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.