Method exec

flow-rs/examples/graph.rs:35–40

(&mut self, _: &Context)

    async fn finalize(&mut self) {}

    async fn exec(&mut self, _: &Context) -> Result<()> {
        if let Ok(envelope) = self.inp.recv::<u32>().await {
            self.out.send(envelope).await.ok();
        }
        Ok(())
    }
}

node_register!("Transport", Transport);