14 lines
316 B
Rust
14 lines
316 B
Rust
|
// error-pattern: reference is not valid outside of its lifetime
|
||
|
|
use std;
|
||
|
|
import std::sync;
|
||
|
|
fn main() {
|
||
|
|
let x = ~sync::rwlock();
|
||
|
|
let mut y = none;
|
||
|
|
do x.write_downgrade |write_mode| {
|
||
|
|
do (&write_mode).write_cond |cond| {
|
||
|
|
y = some(cond);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
option::unwrap(y).wait();
|
||
|
|
}
|