Method poll

src/corebluetooth/future.rs:104–113

Returns when the [BtlePlugMessageUnion] reply has been set in the [BtlePlugFutureStateShared].

(self: Pin<&mut Self>, cx: &mut Context)

    /// Returns when the [BtlePlugMessageUnion] reply has been set in the
    /// [BtlePlugFutureStateShared].
    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
        let mut waker_state = self.waker_state.lock().unwrap();
        if waker_state.reply_msg.is_some() {
            let msg = waker_state.reply_msg.take().unwrap();
            Poll::Ready(msg)
        } else {
            waker_state.waker = Some(cx.waker().clone());
            Poll::Pending
        }
    }
}