1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
12 use std::sync::mpsc::channel;
22 fn test(f: int) -> test {
29 let (tx, rx) = channel();
32 let (tx2, rx2) = channel();
33 tx.send(tx2).unwrap();
35 let _r = rx2.recv().unwrap();
38 rx.recv().unwrap().send(test(42)).unwrap();