| // 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. |
| |
| #![feature(box_syntax)] |
| |
| trait Foo { |
| fn f(&self); |
| } |
| |
| struct Bar { |
| x: isize, |
| } |
| |
| impl Drop for Bar { |
| fn drop(&mut self) {} |
| } |
| |
| impl Foo for Bar { |
| fn f(&self) { |
| println!("hi"); |
| } |
| } |
| |
| fn main() { |
| let x = box Bar { x: 10 }; |
| let y: Box<Foo> = x as Box<Foo>; |
| let _z = y.clone(); //~ ERROR does not implement any method in scope |
| } |
