rust/tests/ui/mut_mutex_lock.fixed

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#![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;
let mut value_mutex = Mutex::new(42_u8);
let mut_ref_mut_ref_mutex = &mut &mut value_mutex;
let mut value = mut_ref_mut_ref_mutex.get_mut().unwrap();
*value += 1;
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}
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 mut_ref_ref_mutex_lock() {
let mutex = Mutex::new(42_u8);
let mut_ref_ref_mutex = &mut &mutex;
let mut guard = mut_ref_ref_mutex.lock().unwrap();
*guard += 1;
}
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fn main() {}