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  1. using System;
  2. using System.Collections.Generic;
  3.  
  4. namespace Articulos.Cap04.Iteradores
  5. {
  6.     public sealed class IteradorNumerosEnteros
  7.     {
  8.         public static void Main()
  9.         {
  10.             Console.WriteLine ();
  11.  
  12.             foreach (int numero in GeneradorNumerosPares(3, 21))
  13.             {
  14.                 Console.Write ("{0} ", numero.ToString());
  15.             }
  16.  
  17.             Console.WriteLine ();
  18.             Console.ReadLine ();
  19.         }
  20.  
  21.         // Genera números pares a partir de un rango de valores:
  22.         private static IEnumerable<int> GeneradorNumerosPares(int inferior, int superior)
  23.         {
  24.             for (int numero = inferior; numero <= superior; ++numero)
  25.             {
  26.                 // Evalúa si el número es par:
  27.                 if (numero % 2 == 0)
  28.                 {
  29.                     yield return numero;
  30.                 }
  31.             }
  32.         }
  33.     }
  34. }
Success #stdin #stdout 0.03s 33976KB
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stdin
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Standard input is empty
stdout
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4 6 8 10 12 14 16 18 20
https://ideone.com/qa1ldj
Ejemplo de uso de iteradores en C#.
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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