async fn tick(&self) -> Runnable {
        poll_fn(|cx| {
            match self.search() {
                None => {
                    self.sleep(cx.waker());

                    Poll::Pending
                }
                Some(r) => {
                    self.wake();
                    // Notify another ticker now to pick up where this ticker left off, just in
                    // case running the task takes a long time.
                    self.global.notify();
                    // Bump the ticker.
                    let ticks = self.ticks.fetch_add(1, Ordering::SeqCst);
                    // Steal tasks from the global queue to ensure fair task scheduling.
                    if ticks % 64 == 0 {
                        steal(&self.global.queue, &self.shard);
                    }
                    Poll::Ready(r)
                }
            }
        })
        .await
    }
/// Return a single task and returns `None` if one was found.
Return a single task and returns `None` if one was found.
Return a single task and returns ` None ` if one was found .
async fn tick(&self) -> Runnable {
        poll_fn(|cx| {
            match self.search() {
                None => {
                    self.sleep(cx.waker());
                    Poll::Pending
                }
                Some(r) => {
                    self.wake();
                    // Notify another ticker now to pick up where this ticker left off, just in
                    // case running the task takes a long time.
                    self.global.notify();
                    // Bump the ticker.
                    let ticks = self.ticks.fetch_add(1, Ordering::SeqCst);
                    // Steal tasks from the global queue to ensure fair task scheduling.
                    if ticks % 64 == 0 {
                        steal(&self.global.queue, &self.shard);
                    }
                    Poll::Ready(r)
                }
            }
        })
        .await
    }
async fn tick ( & self ) -> Runnable { poll_fn ( | cx | { match self . search ( ) { None => { self . sleep ( cx . waker ( ) ) ; Poll :: Pending } Some ( r ) => { self . wake ( ) ; // Notify another ticker now to pick up where this ticker left off, just in // case running the task takes a long time. self . global . notify ( ) ; // Bump the ticker. let ticks = self . ticks . fetch_add ( 1 , Ordering :: SeqCst ) ; // Steal tasks from the global queue to ensure fair task scheduling. if ticks % 64 == 0 { steal ( & self . global . queue , & self . shard ) ; } Poll :: Ready ( r ) } } } ) . await }
Return a single task and returns `None` if one was found.
Return a single task and returns ` None ` if one was found .
&self
&self