static void TraversePostOrder(BTNode rootNode)
{
if (rootNode != null)
{
TraversePostOrder(rootNode.GetNoNode());
TraversePostOrder(rootNode.GetYesNode());
Console.WriteLine(rootNode.GetMessage());
}
}
static int Evaluate(BTNode node)
{
string message = node.GetMessage();
if (message != null)
{
return(message.Length);
}
throw new ArgumentException("Tried to evaluate a null string");
}