tests/test-488.cs

   1 using System.Collections;
   2
   3 class P {
   4         public int x;
   5 }
   6
   7 struct Q {
   8         public P p;
   9         public Q (P p) { this.p = p; }
  10 }
  11
  12 class Test {
  13         static IEnumerable foo () { return null; }
  14
  15         static void Main ()
  16         {
  17                 IEnumerable f = foo ();
  18                 if (f != null)
  19                         foreach (P p in f)
  20                                 p.x = 0;
  21                 if (f != null)
  22                         foreach (Q q in f)
  23                                 q.p.x = 0;
  24         }
  25 }