jay-compositor 1.15.0

The Jay compositor
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use crate::async_engine::AsyncEngine;
use std::pin::Pin;
use std::rc::Rc;
use std::task::Context;
use std::task::Poll;

pub struct Yield {
    pub(super) iteration: u64,
    pub(super) queue: Rc<AsyncEngine>,
}

impl Future for Yield {
    type Output = ();

    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
        if self.queue.iteration() > self.iteration {
            Poll::Ready(())
        } else {
            self.queue.push_yield(cx.waker().clone());
            Poll::Pending
        }
    }
}