static void Main(string[] args)
{
LiteralNode n = LiteralNode.One;
Console.WriteLine($"Checking that the new child has {n.ChildCount} children, with value {n}!");
var nil = NilNode.Nil;
Console.WriteLine($"The node nil is {nil}.");
var sum = n + (Node)6;
Console.WriteLine($"The node sum is {sum}");
var sub = nil - (Node)6;
Console.WriteLine($"The node sum is {sub}");
NodeVisitor v = new PrettyPrinterVisitor();
n.Accept(v);
Console.WriteLine("Done!");
}
