Safe Swap : Pointer « unsafe « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. unsafe
3. Pointer

using System;
using System.Globalization;

public class MainClass{

  public static void SafeSwap(ref int i, ref int j)
  {
    int temp = i;
    i = j;
    j = temp;
  }

  static void Main(string[] args)
  {
    int i = 10, j = 20;
    
    Console.WriteLine("Values before safe swap: i = {0}, j = {1}", i, j);
    SafeSwap(ref i, ref j);
    Console.WriteLine("Values after safe swap: i = {0}, j = {1}", i, j);
  }
}

Values before safe swap: i = 10, j = 20
Values after safe swap: i = 20, j = 10