using System;

public class Program

{

    public record struct Person(string FirstName, string LastName);

​

    public static void Main()

    {

        Person p1 = new Person("Vijay", "Kumar");

        Console.WriteLine(p1);

        Person p2 = new Person("Vijay", "Kumar");

        //Equality

        Console.WriteLine(p1 == p2);

        //Nondestructive Mutation

        Person p3 = p1 with { LastName = "Mahesh" };

        Console.WriteLine(p3);

        Person p4 = p1 with { FirstName = "Siva" };

        Console.WriteLine(p4);

        //Destruction

        var (firstName, lastName) = p1;

        Console.WriteLine(firstName + ", " + lastName);

    }

}