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