usefutures_task::noop_waker;usestd::task::{Context, Poll};/// Call the provided closure with a `&mut Context` that uses a noop waker.
pubfnpoll_immediate_no_wake<T>(with: impl FnOnce(&mutContext) -> Poll<T>)->Poll<T>{let waker =noop_waker();letmut cx =Context::from_waker(&waker);with(&mut cx)}