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Rollup merge of #104708 - jonasspinner:fix-backoff-doc-to-match-implementation, r=compiler-errors

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Fix backoff doc to match implementation

The commit 8dddb22943 in the crossbeam-channel PR (#93563) changed the backoff strategy to be quadratic instead of exponential. This updates the doc to prevent confusion.
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fee1-dead 2022-12-28 15:51:40 +08:00 • committed by GitHub
commit 0818ba43a4
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library/std/src/sync/mpmc/utils.rs
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@ -136,7 +136,7 @@ impl Backoff {
} }
} }
/// Returns `true` if exponential backoff has completed and blocking the thread is advised. /// Returns `true` if quadratic backoff has completed and blocking the thread is advised.
#[inline] #[inline]
pub fn is_completed(&self) -> bool { pub fn is_completed(&self) -> bool {
self.step.get() > YIELD_LIMIT self.step.get() > YIELD_LIMIT