A simple priority queue for Ruby
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README.rdoc

PriorityQueue

A very simple priority queue.

Usage:

pq = PriorityQueue.new
pq[5]  << 'foo'
pq[10] << 'unimportant foo'
pq[1]  << 'important foo'

pq.shift # => 'important foo'
pq.shift # => 'foo'
pq.shift # => 'unimportant foo'
pq.shift # => nil

PriorityQueue is also enumerable.

Install:

sudo gem install priority-queue -s http://gemcutter.org

License:

Copyright © 2009 Justin Balthrop, Geni.com; Published under The MIT License, see License.txt