C++ or D?

[Ola Fosheim Grøstad]

On Thursday, 31 December 2020 at 19:27:23 UTC, Sebastiaan Koppe 
wrote:
> On Thursday, 31 December 2020 at 16:03:54 UTC, Ola Fosheim 
> Grøstad wrote:
>> What would you like to see?
>
> For shared to mean something.
> Stackless coroutines.
> Compile-time lifetime management, i.e. better ways to define 
> ownership.

I second that. At least some way to know whether a pointer takes 
ownership (GC/RC) or just is an auxiliary reference.