34 lines
1.0 KiB
Rust
34 lines
1.0 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Original regression test for Issue #30438.
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use std::ops::Index;
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struct Test<'a> {
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s: &'a String
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}
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impl <'a> Index<usize> for Test<'a> {
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type Output = Test<'a>;
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fn index(&self, _: usize) -> &Self::Output {
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return &Test { s: &self.s};
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//~^ ERROR: borrowed value does not live long enough
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}
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}
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fn main() {
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let s = "Hello World".to_string();
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let test = Test{s: &s};
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let r = &test[0];
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println!("{}", test.s); // OK since test is valid
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println!("{}", r.s); // Segfault since value pointed by r has already been dropped
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}
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