errors/cs0216-4.cs

   1 // CS0216: The operator `Test.operator ==(Test, bool)' requires a matching operator `!=' to also be defined
   2 // Line: 11
   3
   4 public abstract class Test
   5 {
   6         public static bool operator == (Test lhs, bool rhs)
   7         {
   8                 return false;
   9         }
  10
  11         public static bool operator != (Test lhs, IDoNotExist rhs)
  12         {
  13                 return !(lhs == rhs);
  14         }
  15 }
  16