simplify client Vec management

src/main.rs

@@ -29,8 +29,7 @@ async fn main() {
   pretty_env_logger::init_timed();
 
   let clients = Arc::new(Mutex::new(SmallVec::new()));
-  let clients_filter = clients.clone();
-  let clients_filter = warp::any().map(move || clients_filter.clone());
+  let events_clients = clients.clone();
 
   let gpio = Gpio::new().expect("gpio init");
   let mut pin = gpio.get(BUTTON_PIN).expect("pin init").into_input_pullup();
@@ -47,11 +46,10 @@ async fn main() {
   // GET /events
   let events = warp::path!("events")
     .and(warp::get())
-    .and(clients_filter)
-    .map(|clients: Arc<Mutex<SmallVec<_>>>| {
+    .map(move || {
       info!("GET /events");
       let (tx, rx) = mpsc::channel(1);
-      clients.lock().unwrap().push(tx);
+      events_clients.lock().unwrap().push(tx);
 
       let stream = stream::select(
         interval(Duration::from_secs(5)).map(move |_| {