/// <summary>
/// Initialize a new progressive search for the specified tree.
/// </summary>
public ProgressiveSearch(SnapSearch <TKey, TValue> tree)
{
current = root = tree._root;
}
/// <summary>
/// Initialize a new dynamic search for the specified tree.
/// </summary>
public DynamicSearch(SnapSearch <TKey, TValue> _tree)
{
root = _tree._root;
branches = new Queue <Branch>();
values = new ArrayRig <TValue>();
}
