map is:exact -package:Cabal-syntax -package:charset -package:dlist -package:imports -package:containers -package:base-compat -package:basement -package:monoidal-containers -package:hedgehog -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.