address clippy lints

src/backend/consumer/libei.rs

@@ -80,7 +80,7 @@ impl LibeiConsumer {
         let context = ei::Context::new(stream)?;
         context.flush()?;
         let events = EiEventStream::new(context.clone())?;
-        return Ok(Self {
+        Ok(Self {
             handshake: false,
             context,
             events,
@@ -96,7 +96,7 @@ impl LibeiConsumer {
             capability_mask: 0,
             sequence: 0,
             serial: 0,
-        });
+        })
     }
 }
 

src/backend/consumer/wlroots.rs

@@ -267,7 +267,7 @@ impl VirtualInput {
                         // insert a frame event after each mouse event
                         pointer.frame();
                     }
-                    _ => {}
+                    VirtualInput::Kde { .. } => {}
                 }
             }
             Event::Keyboard(e) => match e {
@@ -330,11 +330,8 @@ impl Dispatch<WlKeyboard, ()> for State {
         _: &Connection,
         _: &QueueHandle<Self>,
     ) {
-        match event {
-            wl_keyboard::Event::Keymap { format, fd, size } => {
-                state.keymap = Some((u32::from(format), fd, size));
-            }
-            _ => {}
+        if let wl_keyboard::Event::Keymap { format, fd, size } = event {
+            state.keymap = Some((u32::from(format), fd, size));
         }
     }
 }

src/backend/consumer/x11.rs

@@ -30,6 +30,12 @@ impl X11Consumer {
     }
 }
 
+impl Default for X11Consumer {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 #[async_trait]
 impl EventConsumer for X11Consumer {
     async fn consume(&mut self, event: Event, _: ClientHandle) {