| // Copyright 2012 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. |
| |
| |
| #![allow(unknown_features)] |
| #![feature(box_syntax)] |
| |
| use std::sync::mpsc::channel; |
| |
| pub fn main() { |
| let (tx, rx) = channel::<Box<_>>(); |
| tx.send(box 100).unwrap(); |
| let v = rx.recv().unwrap(); |
| assert_eq!(v, box 100); |
| } |