errors/cs0266-19.cs

   1 // CS0266: Cannot implicitly convert type `A' to `B'. An explicit conversion exists (are you missing a cast?)
   2 // Line: 17
   3
   4 class A
   5 {
   6         public static A operator -- (A x)
   7         {
   8                 return new A ();
   9         }
  10 }
  11
  12 class B : A
  13 {
  14         static void Main ()
  15         {
  16                 B b = new B ();
  17                 --b;
  18         }
  19 }