mcs/tests/gtest-iter-10.cs

   1 using System;
   2 using System.Collections.Generic;
   3
   4 class Test
   5 {
   6         static IEnumerable<int> FromTo (int from, int to)
   7         {
   8                 while (from <= to) yield return from++;
   9         }
  10
  11         public static int Main ()
  12         {
  13                 IEnumerable<int> e = FromTo (1, 10);
  14
  15                 int i = 0;
  16                 foreach (int x in e) {
  17                         foreach (int y in e) {
  18                                 i += y;
  19                                 Console.Write ("{0,3} ", x * y);
  20                         }
  21                         Console.WriteLine ();
  22                 }
  23
  24                 Console.WriteLine (i);
  25                 if (i != 550)
  26                         return i;
  27
  28                 return 0;
  29         }
  30 }