1 // CS0246: The type or namespace name `T' could not be found. Are you missing an assembly reference?
5 using System
.Collections
.Generic
;
9 public static void Main ()
12 IEnumerable
<object> f
= null;
13 foreach (KeyValuePair
<int, T
> e
in f
) {
19 static void Foo (Action a
)