rust/src/test/compile-fail/issue-12470.rs

// Copyright 2012-2014 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.

trait X {
    fn get_i(&self) -> int;
}


struct B {
    i: int
}

impl X for B {
    fn get_i(&self) -> int {
        self.i
    }
}

struct A<'a> {
    p: &'a X+'a
}

fn make_a<'a>(p: &'a X) -> A<'a> {
    A { p: p }
}

fn make_make_a<'a>() -> A<'a> {
    let b: Box<B> = box B {i:1};
    let bb: &B = &*b;    //~ ERROR does not live long enough
    make_a(bb)
}

fn main() {
    let _a = make_make_a();
}