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 // Uncovered during work on new scoping rules for safe destructors
12 // as an important use case to support properly.
18 pub fn m(&self) -> &'b u8 { self.f }
27 impl<'d> M for P<'d> {
28 fn n(&self) -> u8 { *self.g }
31 fn extension<'e>(x: &'e E<'e>) -> Box<M+'e> {
33 let p = P { g: x.m() };
34 return Box::new(p) as Box<M+'e>;
40 let o = extension(&w);
41 assert_eq!(o.n(), 10);