Challenge: write a reference counted slice that works as much as possible like a built-in slice

[Ola Fosheim Grøstad]

On Tuesday, 9 November 2021 at 16:12:25 UTC, Stanislav Blinov 
wrote:
> How many more attributes do we need before we realize that is 
> not the way to write ANY code?

I don't know, but you have them in C++ too unfortunately.