Function channel

pub fn channel<T>() -> (Sender<T>, Receiver<T>)

🔬This is a nightly-only experimental API. (mpmc_channel #126840)

Creates a new asynchronous channel, returning the sender/receiver halves.

All data sent on the Sender will become available on the Receiver in the same order as it was sent, and no send will block the calling thread (this channel has an “infinite buffer”, unlike sync_channel, which will block after its buffer limit is reached). recv will block until a message is available while there is at least one Sender alive (including clones).

The Sender can be cloned to send to the same channel multiple times. The Receiver also can be cloned to have multi receivers.

If the Receiver is disconnected while trying to send with the Sender, the send method will return a SendError. Similarly, if the Sender is disconnected while trying to recv, the recv method will return a RecvError.

Examples

#![feature(mpmc_channel)]

use std::sync::mpmc::channel;
use std::thread;

let (sender, receiver) = channel();

// Spawn off an expensive computation
thread::spawn(move || {
    sender.send(expensive_computation()).unwrap();
});

// Do some useful work for awhile

// Let's see what that answer was
println!("{:?}", receiver.recv().unwrap());