46 lines
539 B
C#
46 lines
539 B
C#
interface I
|
|
{
|
|
void SetValue (int arg);
|
|
}
|
|
|
|
public struct S : I
|
|
{
|
|
public int Value;
|
|
|
|
public void SetValue (int v)
|
|
{
|
|
Value = v;
|
|
}
|
|
}
|
|
|
|
class C
|
|
{
|
|
static void Method<T> (ref T t) where T : struct, I
|
|
{
|
|
dynamic d = 25;
|
|
t.SetValue (d);
|
|
}
|
|
|
|
public static int Main ()
|
|
{
|
|
int? x = null;
|
|
dynamic y = 50;
|
|
int v = x.GetValueOrDefault(y);
|
|
if (v != 50)
|
|
return 1;
|
|
|
|
var s = new S ();
|
|
dynamic d = 5;
|
|
|
|
s.SetValue (d);
|
|
if (s.Value != 5)
|
|
return 2;
|
|
|
|
Method (ref s);
|
|
if (s.Value != 25)
|
|
return 3;
|
|
|
|
return 0;
|
|
}
|
|
}
|