mcs/errors/cs1649.cs

   1 // CS1649: Members of readonly field `B.a' cannot be passed ref or out (except in a constructor)
   2 // Line: 13
   3
   4 class B
   5 {
   6         public struct A
   7         {
   8             public int val;
   9         }
  10
  11         public readonly A a = new A ();
  12 }
  13
  14 class C
  15 {
  16     static void f (ref int i)
  17     {
  18         i = 44;
  19     }
  20
  21     static void Main ()
  22     {
  23         B b = new B ();
  24         f (ref b.a.val);
  25     }
  26 }