private void Copy()
{
copy = new IndexPriorityQueue <T>(queue.capacity);
for (int i = 1; 1 <= queue.count; i++)
{
copy.Insert(queue.heap[i], queue.keys[queue.heap[i]]);
}
}
public void Dispose()
{
queue = null;
}
public HeapEnumerator(IndexPriorityQueue <T> queue)
{
this.queue = queue;
Copy();
}