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| author | Hsiu Che Yu <yu.whisper.personal@gmail.com> | 2026-04-25 18:16:18 +0800 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2026-05-12 14:00:03 +0200 |
| commit | 802ca0008bba0b9a27479580c3c77b9e8095c4ef (patch) | |
| tree | 0a9cea59551f609c22eecec4f4ad563951b726ae /rust | |
| parent | 75619f2df7a5da6ffb61eedc2a73fdf70c65471c (diff) | |
| download | linux-next-history-802ca0008bba0b9a27479580c3c77b9e8095c4ef.tar.gz | |
rust: alloc: add doc test for `Vec::extend_with`
Add a doc test for `Vec::extend_with` demonstrating basic usage and the
zero-length case.
Signed-off-by: Hsiu Che Yu <yu.whisper.personal@gmail.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Link: https://patch.msgid.link/a02bc604cde78ba505441a5555400e6f575e8a8a.1777111268.git.yu.whisper.personal@gmail.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'rust')
| -rw-r--r-- | rust/kernel/alloc/kvec.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/rust/kernel/alloc/kvec.rs b/rust/kernel/alloc/kvec.rs index 0432864d3c3cc..76cbcfb73be2b 100644 --- a/rust/kernel/alloc/kvec.rs +++ b/rust/kernel/alloc/kvec.rs @@ -849,6 +849,24 @@ impl<T> Vec<T, KVmalloc> { impl<T: Clone, A: Allocator> Vec<T, A> { /// Extend the vector by `n` clones of `value`. + /// + /// # Examples + /// + /// ``` + /// let mut v = KVec::new(); + /// v.push(1, GFP_KERNEL)?; + /// + /// v.extend_with(3, 5, GFP_KERNEL)?; + /// assert_eq!(&v, &[1, 5, 5, 5]); + /// + /// v.extend_with(2, 8, GFP_KERNEL)?; + /// assert_eq!(&v, &[1, 5, 5, 5, 8, 8]); + /// + /// v.extend_with(0, 3, GFP_KERNEL)?; + /// assert_eq!(&v, &[1, 5, 5, 5, 8, 8]); + /// + /// # Ok::<(), Error>(()) + /// ``` pub fn extend_with(&mut self, n: usize, value: T, flags: Flags) -> Result<(), AllocError> { if n == 0 { return Ok(()); |