Warn about using the GC

[claptrap]

On Sunday, 14 January 2024 at 12:32:26 UTC, Richard (Rikki) 
Andrew Cattermole wrote:
>
>
>
> I am not suggesting modifying ``@nogc``.
>
> It works as required as-is.
>
> But it is not a complete solution that is suitable for all 
> scenarios.
>
> This is not an either/or situation. We can have both solutions 
> as different attributes.

Ah OK sorry I misread your post.