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Rollup merge of #74316 - yoshuawuyts:no-wake-type-hints, r=Mark-Simulacrum

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Remove unnecessary type hints from Wake internals

While working on https://github.com/rust-lang/rust/pull/74304 I noticed we were writing out the type signature twice in some internal `Wake` impl methods; this streamlines that. Thanks!
This commit is contained in:
Manish Goregaokar
2020-07-14 07:39:17 -07:00
committed by GitHub
parent 99c0b9764a 0e9a20f311
commit 2fb307aca5
1 changed files with 2 additions and 3 deletions
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src/liballoc/task.rs
+2 -3
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@@ -69,14 +69,13 @@ unsafe fn clone_waker<W: Wake + Send + Sync + 'static>(waker: *const ()) -> RawW
// Wake by value, moving the Arc into the Wake::wake function
unsafe fn wake<W: Wake + Send + Sync + 'static>(waker: *const ()) {
let waker: Arc<W> = unsafe { Arc::from_raw(waker as *const W) };
let waker = unsafe { Arc::from_raw(waker as *const W) };
<W as Wake>::wake(waker);
}
// Wake by reference, wrap the waker in ManuallyDrop to avoid dropping it
unsafe fn wake_by_ref<W: Wake + Send + Sync + 'static>(waker: *const ()) {
let waker: ManuallyDrop<Arc<W>> =
unsafe { ManuallyDrop::new(Arc::from_raw(waker as *const W)) };
let waker = unsafe { ManuallyDrop::new(Arc::from_raw(waker as *const W)) };
<W as Wake>::wake_by_ref(&waker);
}