fn poll()

in src/reporter/grpc.rs [432:440]


    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
        Pin::new(&mut self.handles).poll(cx).map(|rs| {
            let rs = rs?;
            for r in rs {
                r?;
            }
            Ok(())
        })
    }