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rust: init: replace unwraps with question mark operators

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Use `?` operator in the doctests. Since it is in the examples,
using unwraps can convey a wrong impression that unwrapping is
fine in general, thus this patch removes this unwrapping.

Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/rust-for-linux/CANiq72nsK1D4NuQ1U7NqMWoYjXkqQSj4QuUEL98OmFbq022Z9A@mail.gmail.com/
Signed-off-by: Daniel Sedlak <daniel@sedlak.dev>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241123095033.41240-2-daniel@sedlak.dev
[ Reworded commit slightly. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Daniel Sedlak 2024-11-23 10:50:28 +01:00 committed by Miguel Ojeda
parent 0730422bce
commit 7eeb0e7a50
1 changed files with 4 additions and 2 deletions
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6
rust/kernel/init.rs
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@ -1076,8 +1076,9 @@ pub fn uninit<T, E>() -> impl Init<MaybeUninit<T>, E> {
/// ```rust
/// use kernel::{alloc::KBox, error::Error, init::init_array_from_fn};
/// let array: KBox<[usize; 1_000]> =
/// KBox::init::<Error>(init_array_from_fn(|i| i), GFP_KERNEL).unwrap();
/// KBox::init::<Error>(init_array_from_fn(|i| i), GFP_KERNEL)?;
/// assert_eq!(array.len(), 1_000);
/// # Ok::<(), Error>(())
/// ```
pub fn init_array_from_fn<I, const N: usize, T, E>(
mut make_init: impl FnMut(usize) -> I,
@ -1120,8 +1121,9 @@ where
/// ```rust
/// use kernel::{sync::{Arc, Mutex}, init::pin_init_array_from_fn, new_mutex};
/// let array: Arc<[Mutex<usize>; 1_000]> =
/// Arc::pin_init(pin_init_array_from_fn(|i| new_mutex!(i)), GFP_KERNEL).unwrap();
/// Arc::pin_init(pin_init_array_from_fn(|i| new_mutex!(i)), GFP_KERNEL)?;
/// assert_eq!(array.len(), 1_000);
/// # Ok::<(), Error>(())
/// ```
pub fn pin_init_array_from_fn<I, const N: usize, T, E>(
mut make_init: impl FnMut(usize) -> I,