void traverse(Node node, TreeDel f)
{
if (node == null)
{
return;
}
if (f != null)
{
f((T)node.item.Clone());
}
if (node.left != null)
{
traverse(node.left, f);
}
if (node.right != null)
{
traverse(node.right, f);
}
}
public void traverse(TreeDel meth)
{
traverse(this.root, meth);
}
