errors/gcs1109.cs

   1 // CS1109: `C.S.Foo(this string)': Extension methods cannot be defined in a nested class
   2 // Line: 8
   3
   4
   5 class C
   6 {
   7         static class S
   8         {
   9                 static void Foo (this string s)
  10                 {
  11                 }
  12         }
  13 }