map is:exact -package:basement -package:monoidal-containers -package:ghc -package:pipes -package:base-compat -package:dlist -package:imports -package:bytestring -package:hedgehog -package:aeson 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.