// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(box_syntax)] use std::sync::mpsc::channel; pub fn main() { let (tx, rx) = channel::>(); tx.send(box 100).unwrap(); let v = rx.recv().unwrap(); assert_eq!(v, box 100); }