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1 // Copyright 2013 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.
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.
11 #![feature(box_syntax)]
13 use std
::io
::{self, Write}
;
19 #[derive(Copy, Clone)]
25 impl Trait
for Struct
{
31 fn foo(mut a
: Box
<Write
>) {}
34 let a
= Struct { x: 1, y: 2 }
;
35 let b
: Box
<Trait
> = Box
::new(a
);
40 let out
= io
::stdout();