| // 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)] |
| |
| // Issue #12470. |
| |
| trait X { |
| fn get_i(&self) -> isize; |
| } |
| |
| struct B { |
| i: isize |
| } |
| |
| impl X for B { |
| fn get_i(&self) -> isize { |
| self.i |
| } |
| } |
| |
| impl Drop for B { |
| fn drop(&mut self) { |
| println!("drop"); |
| } |
| } |
| |
| struct A<'r> { |
| p: &'r (X+'r) |
| } |
| |
| fn make_a(p:&X) -> A { |
| A{p:p} |
| } |
| |
| fn make_make_a<'a>() -> A<'a> { |
| let b: Box<B> = box B { |
| i: 1, |
| }; |
| let bb: &B = &*b; //~ ERROR `*b` does not live long enough |
| make_a(bb) |
| } |
| |
| fn main() { |
| let a = make_make_a(); |
| println!("{}", a.p.get_i()); |
| } |