mcs/errors/cs0105.cs

   1 // CS0105: The using directive for `System' appeared previously in this namespace
   2 // Line: 6
   3 // Compiler options: -warnaserror -warn:3
   4
   5 using System;
   6 using System;
   7
   8 public class X
   9 {
  10         static int Main ()
  11         {
  12                 int a=5;
  13                 return a;
  14         }
  15 }