[rustc.git] / src / test / run-pass / issue-2734.rs

// 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)]

trait hax { }
impl<A> hax for A { }

fn perform_hax<T: 'static>(x: Box<T>) -> Box<hax+'static> {
    box x as Box<hax+'static>
}

fn deadcode() {
    perform_hax(box "deadcode".to_string());
}

pub fn main() {
    let _ = perform_hax(box 42i);
}
Commit	Line	Data
223e47cc LB	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
1a4d82fc JJ	11	#![allow(unknown_features)]
	12	#![feature(box_syntax)]
	13
970d7e83 LB	14	trait hax { }
970d7e83 LB	15	impl<A> hax for A { }
223e47cc	16
1a4d82fc JJ	17	fn perform_hax<T: 'static>(x: Box<T>) -> Box<hax+'static> {
1a4d82fc JJ	18	box x as Box<hax+'static>
223e47cc LB	19	}
	20
	21	fn deadcode() {
1a4d82fc	22	perform_hax(box "deadcode".to_string());
223e47cc LB	23	}
	24
	25	pub fn main() {
1a4d82fc	26	let _ = perform_hax(box 42i);
223e47cc	27	}