mcs/errors/cs0555-2.cs

   1 // CS0555: User-defined operator cannot take an object of the enclosing type and convert to an object of the enclosing type
   2 // Line: 6
   3
   4 struct S
   5 {
   6         public static implicit operator S (S? s)
   7         {
   8                 return new S ();
   9         }
  10 }