13 lines
365 B
Rust
13 lines
365 B
Rust
// error-pattern: reference is not valid outside of its lifetime
|
|
use std;
|
|
use std::arc;
|
|
fn main() {
|
|
let x = ~arc::RWARC(1);
|
|
let mut y = None;
|
|
do x.write_downgrade |write_mode| {
|
|
y = Some(write_mode);
|
|
}
|
|
// Adding this line causes a method unification failure instead
|
|
// do (&option::unwrap(y)).write |state| { assert *state == 1; }
|
|
}
|