[−][src]Function bmrng::channel
pub fn channel<Req, Res>(
buffer: usize
) -> (RequestSender<Req, Res>, RequestReceiver<Req, Res>)
Creates a bounded mpsc request-response channel for communicating between asynchronous tasks with backpressure
Panics
Panics if the buffer capacity is 0, just like the Tokio MPSC channel
Examples
#[tokio::main] async fn main() { let buffer_size = 100; let (tx, mut rx) = bmrng::channel::<i32, i32>(buffer_size); tokio::spawn(async move { while let Ok((input, mut responder)) = rx.recv().await { if let Err(err) = responder.respond(input * input) { println!("sender dropped the response channel"); } } }); for i in 1..=10 { if let Ok(response) = tx.send_receive(i).await { println!("Requested {}, got {}", i, response); assert_eq!(response, i * i); } } }