2 using System.Collections;
6 static public IEnumerable Empty {
8 object [] os = new object [] { };
9 foreach (object o in os) {
17 IEnumerator enumerator = Empty.GetEnumerator();
18 if (enumerator.Current == null)
19 Console.WriteLine("Successful");
20 enumerator.MoveNext();
21 if (enumerator.Current == null)
22 Console.WriteLine("Successful");