using System;

using System.Diagnostics;

​

struct StructTest

{

    public int x;

    public int y;

}

​

class ClassTest

{

    public int x;

    public int y;

}

​

class Program

{

    static void Main(string[] args)

    {

        StructTest structValue = new StructTest();

        ClassTest classValue = new ClassTest();

​

        Stopwatch stopwatch = new Stopwatch();

​

        stopwatch.Start();

        for (int i = 0; i < 100_000_000; i++)

        {

            structValue.x = i;

            structValue.y = i;

        }

        stopwatch.Stop();

​

        Console.WriteLine("Struct elapsed time: {0}", stopwatch.Elapsed);

​

        stopwatch.Reset();

        stopwatch.Start();

        for (int i = 0; i < 100_000_000; i++)

        {

            classValue.x = i;

            classValue.y = i;

        }

        stopwatch.Stop();

​

        Console.WriteLine("Class elapsed time: {0}", stopwatch.Elapsed);

​

        Console.ReadLine();

    }

}

​