Nits

Author: Stjepan Glavina

examples/mutex.rs

@@ -123,19 +123,19 @@ impl<T> Mutex<T> {
     }
 }
 
+/// A guard holding a lock.
+struct MutexGuard<'a, T>(&'a Mutex<T>);
+
+unsafe impl<T: Send> Send for MutexGuard<'_, T> {}
+unsafe impl<T: Sync> Sync for MutexGuard<'_, T> {}
+
 impl<T> Drop for MutexGuard<'_, T> {
     fn drop(&mut self) {
         self.0.locked.store(false, Ordering::Release);
         self.0.lock_ops.notify(1);
     }
 }
 
-/// A guard holding a lock.
-struct MutexGuard<'a, T>(&'a Mutex<T>);
-
-unsafe impl<T: Send> Send for MutexGuard<'_, T> {}
-unsafe impl<T: Sync> Sync for MutexGuard<'_, T> {}
-
 impl<T> Deref for MutexGuard<'_, T> {
     type Target = T;