My two cents

[user1234]

On Friday, 20 October 2017 at 20:11:46 UTC, jmh530 wrote:
> On Friday, 20 October 2017 at 19:54:09 UTC, user1234 wrote:
>> On Friday, 20 October 2017 at 18:11:50 UTC, Adam D. Ruppe 
>> wrote:
>>> [...] The elvis operator, while trivial and
>>> unnecessary, would be easy to implement correctly and give
>>> a nice little PR boost to show that we care about the people
>>> talking about it.
>>
>> If you go by there, the safe navigation operator would 
>> probably even easier to implement than the elvis one.
>
> How about somebody implements the functionality, such as with 
> what H.S. Teoh describes, and gets it added into phobos, maybe 
> std.typecons b/c that's where nullable is?

No. Because of completion. Completion has to work after "?.", 
it's a postfix like the "." for aggregate members.

I can already tell that i wouldn't widely use a library solution.