Discussion: Rvalue refs and a Move construtor for D

[Atila Neves]

On Thursday, 29 August 2019 at 04:38:03 UTC, Manu wrote:
> On Wed, Aug 28, 2019 at 8:45 PM Suleyman via Digitalmars-d 
> <digitalmars-d at puremagic.com> wrote:
>>
>> On Thursday, 29 August 2019 at 01:01:36 UTC, Mike Franklin 
>> wrote:
>> > [...]
>>
>> I discussed this with Manu which is pro rvalue ref and he made 
>> a lot of good points, the most important thing is that rvalue 
>> ref would drastically simplify the implementation of 
>> `core.lifetime.move()`.
>>
>> But he pointed out that auto ref already does perfect 
>> forwarding.
>
> It's a _part_ of perfect forwarding; the part that allows a 
> function
> to receive forwarded arguments.
> The other part is a `forward` implementation passes them 
> forward (and
> actually works), and that depends on a `move` implementation 
> that
> works.

What's wrong with the current `move` and `forward` 
implementations?