How to say to compiler that I want to inherit final template bethod of base interface into derived class

[Uranuz via Digitalmars-d-learn]

On Sunday, 20 July 2014 at 16:12:20 UTC, anonymous wrote:
> On Sunday, 20 July 2014 at 15:48:19 UTC, Uranuz wrote:
>> Sorry, but this example doesn't work too.
>
> Ugh, 2.065 doesn't like it, but it works for me with git head
> (v2.066-devel-82b031c).

Where did you get it? Or you compiled it yourself? Because I 
tried beta4 and it doesn't work there too.