public void Insert(T priority, T1 item)
{
var node = new BinaryNodeValue <T, T1>(priority, item);
items.Add(node);
Upheap(items.Count - 1);
}
void Upheap(int rank)
{
int parentRank = ParentRank(rank);
if (parentRank < 0)
{
return;
}
BinaryNodeValue <T, T1> parent = items.ElementAt(parentRank), node = items.ElementAt(rank);
//if (parent.Key <= node.Key)
if (parent.Key.CompareTo(node.Key) <= 0)
{
return;
}
Swap(rank, parentRank);
Upheap(parentRank);
}