获取列表c#中的下一项并更新当前项

using System;
using System.Collections.Generic;

public class Program
{
    static IEnumerable<int> GetNextItemAndUpdate(List<int> list)
    {
        foreach (int item in list)
        {
            yield return item; // 返回当前项

            // 更新当前项
            int index = list.IndexOf(item);
            if (index != list.Count - 1)
            {
                list[index] = list[index + 1];
                list[index + 1] = item;
            }
        }
    }

    public static void Main(string[] args)
    {
        List<int> numbers = new List<int> { 1, 2, 3, 4, 5 };

        foreach (int number in GetNextItemAndUpdate(numbers))
        {
            Console.WriteLine(number);
        }
    }
}