Re: [PATCH v3 2/2] rust: alloc: kvec: add doc example for `as_slice` method

[Hui Zhu]

Hi Alice,

On Thu, Jul 24, 2025 at 10:21:46AM +0200, Alice Ryhl wrote:
> On Thu, Jul 24, 2025 at 9:54 AM Hui Zhu <hui.zhu@xxxxxxxxx> wrote:
> >
> > From: Hui Zhu <zhuhui@xxxxxxxxxx>
> >
> > Add a practical usage example to the documentation of `KVec::as_slice()`
> > showing how to:
> > Create a new `KVec`
> > Push elements into it
> > Convert to a slice via `as_slice()`
> >
> > Co-developed-by: Geliang Tang <geliang@xxxxxxxxxx>
> > Signed-off-by: Geliang Tang <geliang@xxxxxxxxxx>
> > Signed-off-by: Hui Zhu <zhuhui@xxxxxxxxxx>
> > ---
> >  rust/kernel/alloc/kvec.rs | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> >
> > diff --git a/rust/kernel/alloc/kvec.rs b/rust/kernel/alloc/kvec.rs
> > index 3c72e0bdddb8..d384c34d1a5e 100644
> > --- a/rust/kernel/alloc/kvec.rs
> > +++ b/rust/kernel/alloc/kvec.rs
> > @@ -224,6 +224,15 @@ unsafe fn dec_len(&mut self, count: usize) -> &mut [T] {
> >      }
> >
> >      /// Returns a slice of the entire vector.
> > +    ///
> > +    /// # Examples
> > +    ///
> > +    /// ```
> > +    /// let mut v = KVec::new();
> > +    /// v.push(1, GFP_KERNEL);
> > +    /// v.push(2, GFP_KERNEL);
> 
> These function calls are fallible, but you are ignoring the errors.
> Please use the question mark operator.
> 
> Alice

Just sent v4 according to your comments.

Best,
Hui