rust/src/test/run-pass/trivial-message.rs

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

/*
  This is about the simplest program that can successfully send a
  message.
 */

use std::sync::mpsc::channel;

pub fn main() {
    let (tx, rx) = channel();
    tx.send(42i);
    let r = rx.recv();
    println!("{}", r);
}