25 lines
253 B
C#
25 lines
253 B
C#
|
using System;
|
||
|
|
|
||
|
|
public abstract class Foo<T>
|
||
|
|
{
|
||
|
|
public virtual T InsertAll<U> (U u)
|
||
|
|
where U : T
|
||
|
|
{
|
||
|
|
return u;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public class Bar<T> : Foo<T>
|
||
|
|
{
|
||
|
|
public override T InsertAll<U> (U u)
|
||
|
|
{
|
||
|
|
return u;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class X
|
||
|
|
{
|
||
|
|
public static void Main ()
|
||
|
|
{ }
|
||
|
|
}
|