src/test/ui/closures/closure-move-sync.rs

// Copyright 2018 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.

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

fn bar() {
    let (send, recv) = channel();
    let t = thread::spawn(|| {
        recv.recv().unwrap();
        //~^^ ERROR `std::sync::mpsc::Receiver<()>` cannot be shared between threads safely
    });

    send.send(());

    t.join().unwrap();
}

fn foo() {
    let (tx, _rx) = channel();
    thread::spawn(|| tx.send(()).unwrap());
    //~^ ERROR `std::sync::mpsc::Sender<()>` cannot be shared between threads safely
}

fn main() {}