C#完成Ruby的正數索引器。本站提示廣大學習愛好者:(C#完成Ruby的正數索引器)文章只能為提供參考,不一定能成為您想要的結果。以下是C#完成Ruby的正數索引器正文
C#完成Ruby的正數索引器
public class InvertibleList<T> : List<T> { public new T this[int index] { get { if (index >= 0) return base[index]; if (Count + index < 0) throw new IndexOutOfRangeException(); return this[Count + index]; } set { if (index >= 0) base[index] = value; else { if (Count + index < 0) throw new IndexOutOfRangeException(); this[Count + index] = value; } } } }
應用辦法:
InvertibleList<string> list=new InvertibleList<string> { "1", "2", "3", "4", "5", }; list[-2] = "asd"; list.ForEach(Console.WriteLine);
代碼很簡略,應用也很便利,願望對年夜家進修C#可以或許有所贊助