map -package:containers -package:charset -package:invertible -package:monoidal-containers -is:exact -package:base-compat -package:case-insensitive -package:foldl -package:bytestring -package:dlist -package:pipes is:exact 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.