blob: 0d4eb796ad9b02417de1ffcffbf103b133947bab (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
// Original regression test for Issue #30438.
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 {
return &Test { s: &self.s};
//~^ ERROR: cannot return reference to temporary value
}
}
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
}
|
