2 using System
.Collections
.Generic
;
4 class MyDisposable
: IDisposable
16 public override string ToString ()
18 return String
.Format ("{0} ({1})", GetType (), id
);
24 public static IEnumerable
<int> Test (int a
)
27 using (d
= new MyDisposable ()) {
33 public static void Main ()
35 foreach (int a
in Test (5))
36 Console
.WriteLine (a
);