Question

How to use struct in C#

Answer 1

using System;

public struct Point {
    public int X;
    public int Y;

    public Point(int x, int y) => (X, Y) = (x, y);

    public override string ToString() => $"({X}, {Y})";
}

public class Program
{
    public static void Main()
    {
        var p1 = new Point(4, 8);
        var p2 = p1;
        
        p2.X = 100;
        p2.Y = 200;
        Console.WriteLine(p1);
        Console.WriteLine(p2);

        f(p2);
        
        Console.WriteLine(p1);
        Console.WriteLine(p2);
    }

    private static void f(Point p) {
        p.X = 333;
        p.Y = 555;
        Console.WriteLine(p);
    }
}



/*
run:

(4, 8)
(100, 200)
(333, 555)
(4, 8)
(100, 200)

*/

 

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