| // 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. |
| |
| // pretty-expanded FIXME #23616 |
| |
| #![allow(unknown_features)] |
| #![feature(box_syntax)] |
| |
| trait hax { |
| fn dummy(&self) { } |
| } |
| 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() { |
| perform_hax(box 42); |
| } |
