src/test/run-pass/task-spawn-move-and-copy.rs

   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.
   4 //
   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.
  10
  11 // ignore-emscripten no threads support
  12
  13 #![allow(unknown_features)]
  14 #![feature(box_syntax, std_misc)]
  15
  16 use std::thread;
  17 use std::sync::mpsc::channel;
  18
  19 pub fn main() {
  20     let (tx, rx) = channel::<usize>();
  21
  22     let x: Box<isize> = box 1;
  23     let x_in_parent = &(*x) as *const isize as usize;
  24
  25     let t = thread::spawn(move || {
  26         let x_in_child = &(*x) as *const isize as usize;
  27         tx.send(x_in_child).unwrap();
  28     });
  29
  30     let x_in_child = rx.recv().unwrap();
  31     assert_eq!(x_in_parent, x_in_child);
  32
  33     t.join();
  34 }