泛型学习1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GenericA
{
    public class GenericList<T>
    {
        /// <summary>
        /// 节点类
        /// </summary>
        private class Node
        {
            private Node next;//下一个
            public Node Next
            {
                set { next = value; }
                get { return next; }
            }
            private T date;//包含的数据
            public T Data
            {
                set { date = value; }
                get { return date; }
            }
            /// <summary>
            /// 构造函数
            /// </summary>
            /// <param name="t"></param>
            public Node(T t)
            {
                next = null;
                date = t;
            }

        }
        /// <summary>
        /// 头节点
        /// </summary>
        private Node head;
        /// <summary>
        /// 构造函数
        /// </summary>
        public GenericList()
        {
            head = null;
        }
        /// <summary>
        /// 添加节点信息
        /// </summary>
        /// <param name="t"></param>
        public void AddHead(T t)
        {
            Node n = new Node(t);
            n.Next = head;
            head = n;
        }
        /// <summary>
        /// 实现递归
        /// </summary>
        /// <returns></returns>
        public IEnumerator<T> GetEnumerator()
        {
            Node current = head;
            while (current != null)
            {
                yield return current.Data;
                current = current.Next;
            }
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            GenericList<int> list = new GenericList<int>();
            for (int x = 0; x < 10; x++)
            {
                list.AddHead(x);

            }
            foreach (int i in list)
            {
                System.Console.WriteLine(i+" ");

            } Console.WriteLine("\nDone!");
            Console.ReadKey();
        }
    }
}