mcs/errors/cs0501-3.cs

   1 // CS0501: `C.operator !=(C, C)' must have a body because it is not marked abstract, extern, or partial
   2 // Line: 6
   3
   4 class C
   5 {
   6         public static bool operator != (C l, C r);
   7         public static bool operator == (C l, C r);
   8 }