C++ or D?

[Sebastiaan Koppe]

On Thursday, 31 December 2020 at 16:03:54 UTC, Ola Fosheim 
Grøstad wrote:
> On Thursday, 31 December 2020 at 14:56:37 UTC, Sebastiaan Koppe 
> wrote:
>> It could take a few years indeed, but what will D do in that 
>> same time window?
>
> What would you like to see?

For shared to mean something.
Stackless coroutines.
Compile-time lifetime management, i.e. better ways to define 
ownership.