Re: [PATCH v2] rust: rbtree: add immutable cursor

[John Hubbard]

On 9/9/25 7:50 PM, Miguel Ojeda wrote:
> On Wed, Sep 10, 2025 at 3:09 AM John Hubbard <jhubbard@xxxxxxxxxx> wrote:
> > Interesting. I know the topic of rustc minimum version (1.78 right now)
> > has been discussed a lot, but I'm somehow still confused about how this
> > works, on nova for example.
> >
> > The &raw feature requires rustc 1.82.0. So I thought we couldn't use
> > it. But clearly we can...right?
> >
> > So confused. Please help. :)
>
> Please see what I have at this subpage:
>
>      https://rust-for-linux.com/unstable-features
>
> I hope that helps!

Hi Miguel!

It leaves unanswered, the question of whether (and how) to use something
like the &raw feature, which requires Rust 1.82.0, given that the
stated min Rust version is 1.78.

Is there some sort of exception to the "min Rust version"? I haven't
figured out where that is written down.


thanks,
--
John Hubbard