diff --git a/rust/kernel/alloc/kvec.rs b/rust/kernel/alloc/kvec.rs index 606616fc0e59..cb543a61a33c 100644 --- a/rust/kernel/alloc/kvec.rs +++ b/rust/kernel/alloc/kvec.rs @@ -8,6 +8,7 @@ use super::{ AllocError, Allocator, Box, Flags, }; use core::{ + borrow::{Borrow, BorrowMut}, fmt, marker::PhantomData, mem::{ManuallyDrop, MaybeUninit}, @@ -890,6 +891,58 @@ where } } +/// # Examples +/// +/// ``` +/// # use core::borrow::Borrow; +/// struct Foo>(B); +/// +/// // Owned array. +/// let owned_array = Foo([1, 2, 3]); +/// +/// // Owned vector. +/// let owned_vec = Foo(KVec::from_elem(0, 3, GFP_KERNEL)?); +/// +/// let arr = [1, 2, 3]; +/// // Borrowed slice from `arr`. +/// let borrowed_slice = Foo(&arr[..]); +/// # Ok::<(), Error>(()) +/// ``` +impl Borrow<[T]> for Vec +where + A: Allocator, +{ + fn borrow(&self) -> &[T] { + self.as_slice() + } +} + +/// # Examples +/// +/// ``` +/// # use core::borrow::BorrowMut; +/// struct Foo>(B); +/// +/// // Owned array. +/// let owned_array = Foo([1, 2, 3]); +/// +/// // Owned vector. +/// let owned_vec = Foo(KVec::from_elem(0, 3, GFP_KERNEL)?); +/// +/// let mut arr = [1, 2, 3]; +/// // Borrowed slice from `arr`. +/// let borrowed_slice = Foo(&mut arr[..]); +/// # Ok::<(), Error>(()) +/// ``` +impl BorrowMut<[T]> for Vec +where + A: Allocator, +{ + fn borrow_mut(&mut self) -> &mut [T] { + self.as_mut_slice() + } +} + impl Eq for Vec where A: Allocator {} impl, A> Index for Vec