mcs/tests/test-tuple-03.cs

   1 using System;
   2 using System.Linq.Expressions;
   3
   4 class TupleDeconstruct
   5 {
   6         static int s_xx;
   7         static long s_yy;
   8
   9         public static int Main ()
  10         {
  11                 var (xx, yy) = (1, 2);
  12                 if (xx != 1)
  13                         return 1;
  14
  15                 if (yy != 2)
  16                         return 2;
  17
  18                 int x, y;
  19                 (x, y) = (1, 2);
  20                 if (x != 1)
  21                         return 3;
  22
  23                 if (y != 2)
  24                         return 4;
  25
  26                 (s_xx, s_yy) = Test3 ();
  27                 if (s_xx != 1)
  28                         return 5;
  29
  30                 if (s_yy != 3)
  31                         return 6;
  32
  33 //              var cwd = new ClassWithDeconstruct ();
  34 //              var (m1, m2) = cwd;
  35
  36 //              (string, string) ss = cwd; // Error
  37
  38                 return 0;
  39         }
  40
  41         static void Test2 ()
  42         {
  43                 var c = new C ();
  44                 (c.Prop1, c.Prop2) = (1, 2);
  45         }
  46
  47         static (int, long) Test3 ()
  48         {
  49                 return (1, 3);
  50         }
  51
  52         static void TestCustom ()
  53         {
  54                 return;
  55         }
  56 }
  57
  58 class ClassWithDeconstruct
  59 {
  60         public void Deconstruct (out string f, out string s)
  61         {
  62                 f = "a";
  63                 s = "z";
  64         }
  65 }
  66
  67 class C
  68 {
  69         public int Prop1 { get; set; }
  70         public int Prop2 { get; set; }
  71 }