| #![allow(dead_code, unused_mut)] |
| #![warn(clippy::mut_mutex_lock)] |
| |
| use std::sync::{Arc, Mutex}; |
| |
| fn mut_mutex_lock() { |
| let mut value_rc = Arc::new(Mutex::new(42_u8)); |
| let value_mutex = Arc::get_mut(&mut value_rc).unwrap(); |
| |
| let mut value = value_mutex.get_mut().unwrap(); |
| *value += 1; |
| } |
| |
| fn no_owned_mutex_lock() { |
| let mut value_rc = Arc::new(Mutex::new(42_u8)); |
| let mut value = value_rc.lock().unwrap(); |
| *value += 1; |
| } |
| |
| fn issue9415() { |
| let mut arc_mutex = Arc::new(Mutex::new(42_u8)); |
| let arc_mutex: &mut Arc<Mutex<u8>> = &mut arc_mutex; |
| let mut guard = arc_mutex.lock().unwrap(); |
| *guard += 1; |
| } |
| |
| fn main() {} |