map is:exact -package:dlist -package:basement -package:insert-ordered-containers -package:monoidal-containers -package:filepath -package:invertible -package:blaze-html -package:pipes -package:base-compat -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.