"Multiple alias this" status?

[Daniel Kozak via Digitalmars-d]

Dne 8.11.2016 v 11:37 Picaud Vincent via Digitalmars-d napsal(a):

> Hi All,
>
> I just started to learn a little bit of D.
>
> I read this thread
> https://github.com/dlang/dmd/pull/3998
>
> about "Multiple alias this".
>
> I think this feature is very handy, but dmd and gcd compilers complain 
> that "there must be only one" alias this.
>
> It is not clear to me if this feature is not available yet or if there 
> was a change in the language specifications (Andrei Alexandrescu book 
> mentions "§6.13 Multiple subtyping") ?
>
> Does anyone has more information concerning that?
>
> Thanks in advance,
> Vincent
This feature has never been part of any D compiler.  As you can see 
there is a pull request 3998 which trying to add this to D frontend, but 
there is no activity for a few months.