Re: [PATCH] rust: doc: mark `Io` as notable trait

[Miguel Ojeda]

On Mon, Oct 19, 2026 at 1:48 PM Gary Guo <gary@xxxxxxxxxx> wrote:
>
> From: Gary Guo <gary@xxxxxxxxxxx>
>
> `Io` trait is the primary way of interacting with a bunch of types, e.g.
> `Mmio` and `Coherent`. It is hidden in "blanket impl" section which is not
> very discoverable.
>
> Use nightly feature to mark `Io` as a notable trait, so it is highlighted
> at the top of the rustdoc page.
>
> Signed-off-by: Gary Guo <gary@xxxxxxxxxxx>

The attribute has been there under that name since 1.53, so it should
be fine, and we can always rename it or remove it.

Having said that, let's mention it in this week's call with upstream
Rust. Cc'ing Guillaume so that he is aware too.

Unless they say they really want us to not use it at all:

Acked-by: Miguel Ojeda <ojeda@xxxxxxxxxx>

Cheers,
Miguel