DIP66 has been approved contingent to a few amendments as noted

[Dicebot via Digitalmars-d]

On Wednesday, 24 December 2014 at 06:18:56 UTC, Ola Fosheim 
Grøstad wrote:
> On Wednesday, 24 December 2014 at 06:13:43 UTC, H. S. Teoh via 
> Digitalmars-d wrote:
>> On Tue, Dec 23, 2014 at 11:05:05PM +0000, Vic via 
>> Digitalmars-d wrote:
>>> 
>>> http://wiki.dlang.org/DIP66
>>> 
>>> One more feature.
>> [...]
>>
>> Which has been promised by TDPL years ago and only now become 
>> fully implemented.
>
> Is TDPL the language spec?

Pretty much yes. It is a bit obsolete here and there but it does 
not have any speculation, only actual design intentions.

> As I've pointed out before "multiple alias this" was 
> implemented in Self, then removed because it was considered 
> confusing and not useful. "lazy" was implemented in Algol and 
> then shunned in just about all languages that followed. Time 
> for D to learn from history...

Whatever.