15 lines
298 B
Rust
15 lines
298 B
Rust
use parking_lot::RwLock;
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struct Lock(RwLock<i32>);
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#[test]
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fn issue_392() {
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let lock = Lock(RwLock::new(0));
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let mut rl = lock.0.upgradable_read();
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rl.with_upgraded(|_| {
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println!("lock upgrade");
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});
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rl.with_upgraded(|_| {
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println!("lock upgrade");
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});
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}
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