38 lines
440 B
C#
38 lines
440 B
C#
|
using System;
|
||
|
|
|
||
|
|
class Gen<T> where T : class
|
||
|
|
{
|
||
|
|
public static bool Foo (T t)
|
||
|
|
{
|
||
|
|
return t is Program;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class Program
|
||
|
|
{
|
||
|
|
static bool Foo<T> ()
|
||
|
|
{
|
||
|
|
object o = 1;
|
||
|
|
return o is T;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static int Main ()
|
||
|
|
{
|
||
|
|
if (Foo<bool> ())
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
if (!Foo<int> ())
|
||
|
|
return 2;
|
||
|
|
|
||
|
|
if (Gen<object>.Foo (null))
|
||
|
|
return 3;
|
||
|
|
|
||
|
|
if (!Gen<Program>.Foo (new Program ()))
|
||
|
|
return 4;
|
||
|
|
|
||
|
|
Console.WriteLine ("ok");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|