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// 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);
}
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