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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5.  
  6. namespace IEnumなんとかてすと
  7. {
  8.     class Program
  9.     {
  10.         static void Main(string[] args)
  11.         {
  12.             int[] A = new int[16] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
  13.  
  14.             foreach (var o in A.SkipEnd())
  15.             {
  16.                 Console.Write("{0} ", o);
  17.             }
  18.  
  19.             return;
  20.  
  21.         }
  22.     }
  23.  
  24.     public static class ExtFunc
  25.     {
  26.         public static IEnumerable<T> SkipEnd<T>(this IEnumerable<T> Enumerable)
  27.         {
  28.             var En = Enumerable.GetEnumerator();
  29.             int N = Enumerable.Count();
  30.             int i = 0;
  31.             while (En.MoveNext())
  32.             {
  33.                 i++;
  34.                 if (N == i) break;
  35.                 yield return En.Current;
  36.             }
  37.         }
  38.     }
  39. }
Success #stdin #stdout 0.04s 37080KB
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https://ideone.com/FfRKI
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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