map -package:containers -package:case-insensitive -package:base-compat -package:foldl -package:charset -package:monoidal-containers is:exact -package:conduit -package:insert-ordered-containers -package:invertible -package:filepath -package:pipes 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.