orx-priority-queue 1.8.0

Priority queue traits and high performance d-ary heap implementations.
Documentation 
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use orx_priority_queue::PriorityQueue;

pub fn test_len<P>(mut pq: P)
where
    P: PriorityQueue<usize, f64>,
{
    pq.clear();
    assert_eq!(0, pq.len());

    for i in 0..10 {
        pq.push(i, 0f64);
        assert_eq!(i + 1, pq.len());
    }

    for i in 0..6 {
        pq.pop();
        assert_eq!(10 - i - 1, pq.len());
    }

    assert_eq!(4, pq.len());

    pq.clear();
    assert_eq!(0, pq.len());
}