15     struct Yield {  in thread_yield_single_thread_one_wait()  struct
16         rem: usize,  in thread_yield_single_thread_one_wait()
19     impl Future for Yield {  in thread_yield_single_thread_one_wait()  implementation
43     struct Yield {  in thread_yield_single_thread_many_wait()  struct
44         rem: usize,  in thread_yield_single_thread_many_wait()
47     impl Future for Yield {  in thread_yield_single_thread_many_wait()  implementation
78     struct Yield {  in thread_yield_multi_thread()  struct
79         rem: usize,  in thread_yield_multi_thread()
80         tx: mpsc::SyncSender<Waker>,  in thread_yield_multi_thread()
82     impl Unpin for Yield {}  in thread_yield_multi_thread()  implementation
84     impl Future for Yield {  in thread_yield_multi_thread()  implementation