tests/gtest-linq-06.cs

   1
   2
   3 using System;
   4 using System.Collections.Generic;
   5 using System.Linq;
   6
   7 class Let
   8 {
   9         public static int Main ()
  10         {
  11                 int[] int_array = new int [] { 0, 1 };
  12
  13                 IEnumerable<int> e;
  14                 int pos;
  15
  16                 // Explicitly typed
  17                 e = from int i in int_array
  18                         let u = i * 2
  19                         select u;
  20                 pos = 0;
  21                 foreach (int actual in e) {
  22                         Console.WriteLine (actual);
  23                         if (int_array [pos++] * 2 != actual)
  24                                 return pos;
  25                 }
  26
  27                 // Implicitly typed
  28                 e = from i in int_array
  29                         let u = i * 2
  30                         let v = u * 3
  31                         where u != 0
  32                         select v;
  33                 pos = 1;
  34                 foreach (int actual in e) {
  35                         Console.WriteLine (actual);
  36                         if (int_array [pos++] * 6 != actual)
  37                                 return pos;
  38                 }
  39
  40                 Console.WriteLine ("OK");
  41                 return 0;
  42         }
  43 }