35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
// Copyright 2016 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.
|
|
|
|
// Modified regression test for Issue #30438 that exposed an
|
|
// independent issue (see discussion on ticket).
|
|
|
|
use std::ops::Index;
|
|
|
|
struct Test<'a> {
|
|
s: &'a String
|
|
}
|
|
|
|
impl <'a> Index<usize> for Test<'a> {
|
|
type Output = Test<'a>;
|
|
fn index(&self, _: usize) -> &Self::Output {
|
|
&Test { s: &self.s}
|
|
//~^ ERROR: borrowed value does not live long enough
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let s = "Hello World".to_string();
|
|
let test = Test{s: &s};
|
|
let r = &test[0];
|
|
println!("{}", test.s); // OK since test is valid
|
|
println!("{}", r.s); // Segfault since value pointed by r has already been dropped
|
|
}
|