Completed events unit tests

src/event/input_event.rs

@@ -14,7 +14,6 @@ pub enum InputEvent<T> {
 }
 
 pub struct Events {
-  _tx: Sender<InputEvent<Key>>,
   rx: Receiver<InputEvent<Key>>,
 }
 
@@ -23,7 +22,6 @@ impl Events {
     let (tx, rx) = mpsc::channel();
     let tick_rate: Duration = Duration::from_millis(250);
 
-    let event_tx = tx.clone();
     thread::spawn(move || {
       let mut last_tick = Instant::now();
       loop {
@@ -33,18 +31,18 @@ impl Events {
         if event::poll(timeout).unwrap() {
           if let CrosstermEvent::Key(key_event) = event::read().unwrap() {
             let key = Key::from(key_event);
-            event_tx.send(InputEvent::KeyEvent(key)).unwrap();
+            tx.send(InputEvent::KeyEvent(key)).unwrap();
           }
         }
 
         if last_tick.elapsed() >= tick_rate {
-          event_tx.send(InputEvent::Tick).unwrap();
+          tx.send(InputEvent::Tick).unwrap();
           last_tick = Instant::now();
         }
       }
     });
 
-    Events { _tx: tx, rx }
+    Events { rx }
   }
 
   pub fn next(&self) -> Result<InputEvent<Key>, mpsc::RecvError> {