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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace IEnumerableTest
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{
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class Program
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{
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public static IEnumerable GetNextValue()
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{
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yield return "111111";
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yield return "222222";
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yield return "333333";
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yield return "444444";
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yield break;
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yield return "555555";
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}
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static void Main(string[] args)
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{
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Console.WriteLine("===迭代成员===");
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foreach (string item in GetNextValue())
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{
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Console.WriteLine(item);
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}
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Console.WriteLine("===迭代类===");
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Months months = new Months();
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foreach (string item in months)
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{
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Console.WriteLine(item);
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}
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Console.ReadKey();
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}
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}
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class Months : IEnumerable
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{
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string[] months = { "January","February","March","April","May","June","July","August","September","October","November","December"};
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public IEnumerator GetEnumerator()
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{
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for (int i = 0; i < months.Length; i++)
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{
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yield return months[i];
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}
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}
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}
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}
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