1 files changed, 4 insertions, 4 deletions
diff --git a/examples/double_mutex.rs b/examples/double_mutex.rs
index 033bfed..18460e4 100644
--- a/examples/double_mutex.rs
+++ b/examples/double_mutex.rs
@@ -11,17 +11,17 @@ static DATA_2: SpinLock<String> = Mutex::new(String::new());
 fn main() {
 	for _ in 0..N {
 		thread::spawn(move || {
-			let mut key = ThreadKey::lock().unwrap();
+			let key = ThreadKey::lock().unwrap();
 			let data = (&DATA_1, &DATA_2);
-			let mut guard = LockGuard::lock(&data, &mut key);
+			let mut guard = LockGuard::lock(&data, key);
 			*guard.1 = (100 - *guard.0).to_string();
 			*guard.0 += 1;
 		});
 	}
 
-	let mut key = ThreadKey::lock().unwrap();
+	let key = ThreadKey::lock().unwrap();
 	let data = (&DATA_1, &DATA_2);
-	let data = LockGuard::lock(&data, &mut key);
+	let data = LockGuard::lock(&data, key);
 	println!("{}", *data.0);
 	println!("{}", *data.1);
 }