mcs/tests/test-iter-03.cs

   1 // Compiler options: -langversion:default
   2
   3 //
   4 // Use
   5
   6 using System;
   7 using System.Collections;
   8
   9 class X {
  10         static IEnumerable GetIt (int [] args)
  11         {
  12                 foreach (int a in args)
  13                         yield return a;
  14         }
  15
  16         static IEnumerable GetMulti (int [,] args)
  17         {
  18                 foreach (int a in args)
  19                         yield return a;
  20         }
  21
  22         public static int Main ()
  23         {
  24                 int total = 0;
  25                 foreach (int i in GetIt (new int [] { 1, 2, 3})){
  26                         Console.WriteLine ("Got: " + i);
  27                         total += i;
  28                 }
  29
  30                 if (total != 6)
  31                         return 1;
  32
  33                 total = 0;
  34                 foreach (int i in GetMulti (new int [,] { { 10, 20 }, { 30, 40}})){
  35                         Console.WriteLine ("Got: " + i);
  36                         total += i;
  37                 }
  38                 if (total != 100)
  39                         return 2;
  40
  41                 return 0;
  42         }
  43 }