fn main()
{
  let (tx, rx) = std::sync::mpsc::channel();
  let mut v = 5;
  let thread_body = move || {
    for v in rx {
      println!("The value is {}", v);
      return;
      std::thread::sleep(std::time::Duration::from_millis(100));
    }
  };
  let h = std::thread::spawn(thread_body);

  println!("Main thread, here!");
  let res = tx.send(v);
  if let Err(e) = res {
    println!("Error {}", e);
  }
  std::thread::sleep(std::time::Duration::from_millis(500));
  v = 6;
  let res = tx.send(v);
  if let Err(e) = res {
    println!("Error {}", e);
  }
  drop(tx);

  h.join();
}