mcs/errors/cs1644-42.cs

   1 // CS1644: Feature `null propagating operator' cannot be used because it is not part of the C# 5.0 language specification
   2 // Line: 10
   3 // Compiler options: -langversion:5
   4
   5 class C
   6 {
   7         static void Main ()
   8         {
   9                 string[] a = null;
  10                 var s = a?[0];
  11         }
  12 }