fixed minor differences between 'compiled' generators and the example used. Added bonus section to prove it works

book/8_finished_example.html

@@ -188,7 +188,7 @@ fn main() {
     reactor.lock().map(|mut r| r.close()).unwrap();
 }
 
-//// ===== EXECUTOR =====
+// ============================= EXECUTOR ====================================
 fn block_on<F: Future>(mut future: F) -> F::Output {
     let mywaker = Arc::new(MyWaker{ thread: thread::current() }); 
     let waker = waker_into_waker(Arc::into_raw(mywaker));
@@ -212,7 +212,7 @@ fn spawn<F: Future>(future: F) -> Pin<Box<F>> {
     boxed
 }
 
-// ===== FUTURE IMPLEMENTATION =====
+// ====================== FUTURE IMPLEMENTATION ==============================
 #[derive(Clone)]
 struct MyWaker {
     thread: thread::Thread,
@@ -280,7 +280,7 @@ impl Future for Task {
     }
 }
 
-// ===== REACTOR =====
+// =============================== REACTOR ===================================
 struct Reactor {
     dispatcher: Sender<Event>,
     handle: Option<JoinHandle<()>>,
@@ -301,7 +301,7 @@ impl Reactor {
         let handle = thread::spawn(move || {
             // This simulates some I/O resource
             for event in rx {
-                println!("GOT EVENT: {:?}", event);
+                println!("REACTOR: {:?}", event);
                 let rl_clone = rl_clone.clone();
                 match event {
                     Event::Close => break,