13 interface IC
: IA
, IB
{}
15 interface IE
: ICloneable
, IDisposable
{
36 public Object
Clone () {
39 public void Dispose () {}
51 static int Test(IC n
) {
56 if (((IA
)n
).Add(0) != 5)
59 if (((IB
)n
).Add(0) != 6)
66 static void Test2(IE ie
) {
72 public static int Main()