rust/src/test/compile-fail/sync-rwlock-cond-shouldnt-escape.rs

12 lines
250 B
Rust

// error-pattern: reference is not valid outside of its lifetime
extern mod std;
use std::sync;
fn main() {
let x = ~sync::RWlock();
let mut y = None;
do x.write_cond |cond| {
y = Some(cond);
}
option::unwrap(y).wait();
}