1 // Copyright 2014 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)]
19 impl fmt::Display for Number {
20 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
21 write!(f, "{}", self.n)
26 list: Vec<Box<ToString+'static>> }
29 fn push(&mut self, n: Box<ToString+'static>) {
35 let n: Box<_> = box Number { n: 42 };
36 let mut l: Box<_> = box List { list: Vec::new() };
38 let x = n.to_string();
39 //~^ ERROR: use of moved value: `n`