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 #![allow(unknown_features)]
13 #![feature(box_syntax, std_misc)]
16 use std::sync::mpsc::channel;
19 let (tx, rx) = channel::<usize>();
21 let x: Box<isize> = box 1;
22 let x_in_parent = &(*x) as *const isize as usize;
24 let t = thread::spawn(move || {
25 let x_in_child = &(*x) as *const isize as usize;
26 tx.send(x_in_child).unwrap();
29 let x_in_child = rx.recv().unwrap();
30 assert_eq!(x_in_parent, x_in_child);