static void Main(string[] args)
{
// sort out more complex examples
string s = "2+2";
ExpressionTree e = ExpressionTree.Build(s);
ExprVarValue[] vars = { new ExprVarValue("x", 2), new ExprVarValue("y", 3) };
Console.WriteLine(s);
foreach (ExprVarValue var in vars)
{
Console.WriteLine(var);
}
Console.Write(e.ToString() + " = ");
Console.WriteLine(e.getValue(vars));
Console.ReadKey();
}
public override string ToString()
{
return(Name.ToString() + "= " + Value.ToString());
}