map -package:containers -package:charset -package:invertible -is:exact -package:base-compat-batteries -package:blaze-html -package:bytestring -package:Cabal-syntax -package:base-prelude -package:dlist -package:os-string 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.