6 public static bool operator true (S s)
8 throw new ApplicationException ();
11 public static bool operator false (S s)
16 public static string operator ! (S s)
18 throw new ApplicationException ();
26 throw new ApplicationException ("error");
29 static bool Return (bool value)
34 public static int Main ()
38 if (Return (false) && d)
41 if (Return (true) || d) {
60 Console.WriteLine ("ok");