using System;

public class Program

{

    static void Main(string[] args)

    {

        CheckEquality("123", "123");

        Console.WriteLine("----------");

        CheckEquality("123", (123.ToString()));

        Console.WriteLine("----------");

        CheckEquality("123", "0123".Substring(1));

​

    }

​

    static void CheckEquality<T>(T value1, T value2) where T : class

    {

        Console.WriteLine("value1: {0}", value1);

        Console.WriteLine("value2: {0}", value2);

​

        Console.WriteLine("value1 == value2:      {0}", value1 == value2);

        Console.WriteLine("value1.Equals(value2): {0}", value1.Equals(value2));

​

        if (typeof(T).IsEquivalentTo(typeof(string)))

        {

            string string1 = (string)(object)value1;

            string string2 = (string)(object)value2;

            Console.WriteLine("string1 == string2:    {0}", string1 == string2);

        }

    }

}