How hard would it be to create a new backend in D?

[rempas]

On Saturday, 6 August 2022 at 07:39:36 UTC, Walter Bright wrote:
>
> The dmd backend is already in D :-)
>
> But since it's all Boost Licensed, anyone can use 0..100% of it 
> for their own backend project. No asking is required.
>
> Have fun!

Thank you! It just happened that I missed this reply and wouldn't
even see it if it wasn't for another reply that quotes it...