mcs/errors/cs0579-5.cs

   1 // CS0579: The attribute `ReturnAttribute' cannot be applied multiple times
   2 // Line : 17
   3
   4 using System;
   5 using System.Reflection;
   6
   7 [AttributeUsage (AttributeTargets.ReturnValue)]
   8 public class ReturnAttribute : Attribute
   9 {
  10         public ReturnAttribute ()
  11         {
  12         }
  13 }
  14
  15 public class Blah {
  16         [return: Return ()]
  17         [return: Return ()]
  18         public static void Main () { }
  19 }
  20