rust/tests/ui/let_underscore_lock.rs
Klim Tsoutsman 65f700fa89
Fix let_undescore_lock false-positive when binding without locking
Signed-off-by: Klim Tsoutsman <klimusha@gmail.com>
2022-06-27 20:35:26 +10:00

37 lines
761 B
Rust

#![warn(clippy::let_underscore_lock)]
extern crate parking_lot;
fn main() {
let m = std::sync::Mutex::new(());
let rw = std::sync::RwLock::new(());
let _ = m.lock();
let _ = rw.read();
let _ = rw.write();
let _ = m.try_lock();
let _ = rw.try_read();
let _ = rw.try_write();
// These shouldn't throw an error.
let _ = m;
let _ = rw;
use parking_lot::{lock_api::RawMutex, Mutex, RwLock};
let p_m: Mutex<()> = Mutex::const_new(RawMutex::INIT, ());
let _ = p_m.lock();
let p_m1 = Mutex::new(0);
let _ = p_m1.lock();
let p_rw = RwLock::new(0);
let _ = p_rw.read();
let _ = p_rw.write();
// These shouldn't throw an error.
let _ = p_m;
let _ = p_m1;
let _ = p_rw;
}