mcs/errors/cs0151-4.cs

   1 // CS0151: A switch expression of type `S1?' cannot be converted to an integral type, bool, char, string, enum or nullable type
   2 // Line: 24
   3
   4 using System;
   5
   6 struct S1
   7 {
   8         public static implicit operator int? (S1? s)
   9         {
  10                 throw new ApplicationException ();
  11         }
  12
  13         public static implicit operator int (S1? s)
  14         {
  15                 throw new ApplicationException ();
  16         }
  17 }
  18
  19 class C
  20 {
  21         public static int Main ()
  22         {
  23                 S1? s1 = new S1 ();
  24                 switch (s1)
  25                 {
  26                         default:
  27                                 return 1;
  28                 }
  29         }
  30 }