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sync: use usize instead of u32 for SemaphorePermit::split (#6478)

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Signed-off-by: Alice Ryhl <aliceryhl@google.com>
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Alice Ryhl 2024-04-11 19:21:55 +02:00 committed by GitHub
parent bdf4c142c9
commit 90e20bcad3
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1 changed files with 10 additions and 6 deletions
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16
tokio/src/sync/semaphore.rs
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@ -994,7 +994,9 @@ impl<'a> SemaphorePermit<'a> {
/// Splits `n` permits from `self` and returns a new [`SemaphorePermit`] instance that holds `n` permits. /// Splits `n` permits from `self` and returns a new [`SemaphorePermit`] instance that holds `n` permits.
/// ///
/// If there are insufficient permits and it's not possible to reduce by `n`, returns `None`. /// If there are insufficient permits and it's not possible to reduce by `n`, returns `None`.
pub fn split(&mut self, n: u32) -> Option<Self> { pub fn split(&mut self, n: usize) -> Option<Self> {
let n = u32::try_from(n).ok()?;
if n > self.permits { if n > self.permits {
return None; return None;
} }
@ -1008,8 +1010,8 @@ impl<'a> SemaphorePermit<'a> {
} }
/// Returns the number of permits held by `self`. /// Returns the number of permits held by `self`.
pub fn num_permits(&self) -> u32 { pub fn num_permits(&self) -> usize {
self.permits self.permits as usize
} }
} }
@ -1047,7 +1049,9 @@ impl OwnedSemaphorePermit {
/// # Note /// # Note
/// ///
/// It will clone the owned `Arc<Semaphore>` to construct the new instance. /// It will clone the owned `Arc<Semaphore>` to construct the new instance.
pub fn split(&mut self, n: u32) -> Option<Self> { pub fn split(&mut self, n: usize) -> Option<Self> {
let n = u32::try_from(n).ok()?;
if n > self.permits { if n > self.permits {
return None; return None;
} }
@ -1066,8 +1070,8 @@ impl OwnedSemaphorePermit {
} }
/// Returns the number of permits held by `self`. /// Returns the number of permits held by `self`.
pub fn num_permits(&self) -> u32 { pub fn num_permits(&self) -> usize {
self.permits self.permits as usize
} }
} }