Bit Operator OR in C# Enum

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  I wrote Below Code : 
  

  
  

   class Program
      {
  

  
  

          enum Days { Sun = 1, Mon = 2, Tue = 3, Wed =4, Thu = 5, Fri = 6, Sat =7, Extra = 8 };
  

                       

          static void Main()
          {
             Console.WriteLine((Days.Tue | Days.Mon).ToString());
             Console.WriteLine((Days.Sun | Days.Wed).ToString());
  

             Console.WriteLine((Days.Sun | Days.Sat).ToString());
  

             Console.WriteLine((Days.Mon | Days.Fri).ToString());
  

           }
  }
  

  
  

  Output 
  

  // Tue  --- Why not Thu ??
  

  // Thu
  

  // Sat  -- Why not Extra 
  

  // Extra 
  

  
  

  why bit Operator is not  adding number 3,7 (odd numbers)  with Enum ? 
  

  Friday, May 5, 2017 3:49 PM