16 use tokio::sync::RwLock;
22     let rwlock = RwLock::new(42);  in into_inner()  localVariable
23     assert_eq!(rwlock.into_inner(), 42);  in into_inner()
29     let rwlock = RwLock::new(100);  in read_shared()  localVariable
31     let mut t1 = spawn(rwlock.read());  in read_shared()
33     let mut t2 = spawn(rwlock.read());  in read_shared()
40     let rwlock = RwLock::new(100);  in write_shared_pending()  localVariable
41     let mut t1 = spawn(rwlock.read());  in write_shared_pending()
44     let mut t2 = spawn(rwlock.write());  in write_shared_pending()
51     let rwlock = RwLock::new(100);  in read_exclusive_pending()  localVariable
52     let mut t1 = spawn(rwlock.write());  in read_exclusive_pending()
55     let mut t2 = spawn(rwlock.read());  in read_exclusive_pending()
63     let rwlock = RwLock::with_max_readers(100, 1024);  in exhaust_reading()  localVariable
66         let mut t = spawn(rwlock.read());  in exhaust_reading()
73     let mut t1 = spawn(rwlock.read());  in exhaust_reading()
84     let rwlock = RwLock::new(100);  in write_exclusive_pending()  localVariable
85     let mut t1 = spawn(rwlock.write());  in write_exclusive_pending()
88     let mut t2 = spawn(rwlock.write());  in write_exclusive_pending()
95     let rwlock = RwLock::new(100);  in write_shared_drop()  localVariable
96     let mut t1 = spawn(rwlock.read());  in write_shared_drop()
99     let mut t2 = spawn(rwlock.write());  in write_shared_drop()
110     let rwlock = RwLock::new(100);  in write_read_shared_pending()  localVariable
111     let mut t1 = spawn(rwlock.read());  in write_read_shared_pending()
114     let mut t2 = spawn(rwlock.read());  in write_read_shared_pending()
117     let mut t3 = spawn(rwlock.write());  in write_read_shared_pending()
120     let mut t4 = spawn(rwlock.read());  in write_read_shared_pending()
128     let rwlock = RwLock::new(100);  in write_read_shared_drop_pending()  localVariable
129     let mut t1 = spawn(rwlock.read());  in write_read_shared_drop_pending()
132     let mut t2 = spawn(rwlock.write());  in write_read_shared_drop_pending()
135     let mut t3 = spawn(rwlock.read());  in write_read_shared_drop_pending()
143 // Acquire an RwLock nonexclusively by a single task
146     let rwlock = RwLock::new(100);  in read_uncontested()  localVariable
147     let result = *rwlock.read().await;  in read_uncontested()
152 // Acquire an uncontested RwLock in exclusive mode
155     let rwlock = RwLock::new(100);  in write_uncontested()  localVariable
156     let mut result = rwlock.write().await;  in write_uncontested()
164     let rwlock = RwLock::<Vec<u32>>::new(vec![]);  in write_order()  localVariable
165     let fut2 = rwlock.write().map(|mut guard| guard.push(2));  in write_order()
166     let fut1 = rwlock.write().map(|mut guard| guard.push(1));  in write_order()
170     let g = rwlock.read().await;  in write_order()
174 // A single RwLock is contested by tasks in multiple threads
183     let rwlock = Arc::new(RwLock::<u32>::new(0));  in multithreaded()  localVariable
184     let rwclone1 = rwlock.clone();  in multithreaded()
185     let rwclone2 = rwlock.clone();  in multithreaded()
186     let rwclone3 = rwlock.clone();  in multithreaded()
187     let rwclone4 = rwlock.clone();  in multithreaded()
193                 let rwlock = rwclone1.clone();  in multithreaded()  localVariable
195                     let mut guard = rwlock.write().await;  in multithreaded()
207                 let rwlock = rwclone2.clone();  in multithreaded()  localVariable
209                     let mut guard = rwlock.write().await;  in multithreaded()
221                 let rwlock = rwclone3.clone();  in multithreaded()  localVariable
223                     let mut guard = rwlock.write().await;  in multithreaded()
235                 let rwlock = rwclone4.clone();  in multithreaded()  localVariable
237                     let mut guard = rwlock.write().await;  in multithreaded()
246     let g = rwlock.read().await;  in multithreaded()
252     let lock = RwLock::new(0);  in try_write()
261     let lock: RwLock<usize> = RwLock::new(15);  in try_read_try_write()