C#

<br />
using System;<br />
<br />
namespace Test<br />
{<br />
    public class MyClass : GenericsTest<<MyClass>><br />
    {<br />
        public void DoSomething()<br />
        {<br />
            base.DoSomething();<br />
        }<br />
    }<br />
<br />
    public class GenericsTest<<T>> where T : class<br />
    {<br />
        SomeHelperClass<<T>> helper;<br />
<br />
        public GenericsTest()<br />
        {<br />
            helper = new SomeHelperClass<<T>>();<br />
        }<br />
<br />
        public void DoSomething()<br />
        {<br />
            helper.DoSomething(T); // won't compile<br />
            helper.DoSomething(this); // won't compile<br />
        }<br />
    }<br />
<br />
    public class SomeHelperClass<<T>> where T : class<br />
    {<br />
        public void DoSomething(T target)<br />
        {<br />
        }<br />
    }<br />
}<br />