Remove unecessary pointer dereferencing

Author: brunojppb

examples/02_04_executor/src/lib.rs

@@ -90,7 +90,7 @@ impl Executor {
             if let Some(mut future) = future_slot.take() {
                 // Create a `LocalWaker` from the task itself
                 let waker = waker_ref(&task);
-                let context = &mut Context::from_waker(&*waker);
+                let context = &mut Context::from_waker(&waker);
                 // `BoxFuture<T>` is a type alias for
                 // `Pin<Box<dyn Future<Output = T> + Send + 'static>>`.
                 // We can get a `Pin<&mut dyn Future + Send + 'static>`