33 lines
377 B
C#
33 lines
377 B
C#
using System;
|
|
|
|
struct S
|
|
{
|
|
public static implicit operator short? (S s)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
public static implicit operator short (S s)
|
|
{
|
|
throw new ApplicationException ();
|
|
}
|
|
}
|
|
|
|
class Program
|
|
{
|
|
public static int Main ()
|
|
{
|
|
S? s = null;
|
|
S? s2 = new S ();
|
|
|
|
long? i = s;
|
|
if (i != null)
|
|
return 1;
|
|
|
|
double? ui = s2;
|
|
if (ui == null)
|
|
return 2;
|
|
|
|
return 0;
|
|
}
|
|
} |