43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-emscripten no threads support
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#![feature(std_misc)]
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use std::thread;
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use std::sync::mpsc::{channel, Sender};
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fn start(tx: &Sender<Sender<String>>) {
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let (tx2, rx) = channel();
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tx.send(tx2).unwrap();
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let mut a;
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let mut b;
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a = rx.recv().unwrap();
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assert_eq!(a, "A".to_string());
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println!("{}", a);
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b = rx.recv().unwrap();
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assert_eq!(b, "B".to_string());
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println!("{}", b);
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}
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pub fn main() {
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let (tx, rx) = channel();
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let child = thread::spawn(move|| { start(&tx) });
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let mut c = rx.recv().unwrap();
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c.send("A".to_string()).unwrap();
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c.send("B".to_string()).unwrap();
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thread::yield_now();
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child.join();
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}
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