refactor(engine): fix portion of clippy lints

1 files changed, 5 insertions, 2 deletions

diff --git a/engine/src/windowing/mouse.rs b/engine/src/windowing/mouse.rs
index 3a43e79..a5e4cc8 100644
--- a/engine/src/windowing/mouse.rs
+++ b/engine/src/windowing/mouse.rs
@@ -31,6 +31,7 @@ pub struct ScrollDelta
 
 impl ScrollDelta
 {
+    #[must_use]
     pub fn is_zero(&self) -> bool
     {
         self.vert_lines == 0.0 && self.hor_lines == 0.0
@@ -46,6 +47,7 @@ pub struct Buttons
 
 impl Buttons
 {
+    #[must_use]
     pub fn get(&self, button: Button) -> ButtonState
     {
         let Some(button_data) = self.map.get(&button) else {
@@ -55,6 +57,7 @@ impl Buttons
         button_data.current_state
     }
 
+    #[must_use]
     pub fn get_previous(&self, button: Button) -> ButtonState
     {
         let Some(button_data) = self.map.get(&button) else {
@@ -70,7 +73,7 @@ impl Buttons
     {
         self.map
             .iter()
-            .map(|(button, button_data)| (button.clone(), button_data.current_state))
+            .map(|(button, button_data)| (*button, button_data.current_state))
     }
 
     pub fn set(&mut self, button: Button, button_state: ButtonState)
@@ -120,7 +123,7 @@ impl intmap::IntKey for Button
             Self::Middle => 2,
             Self::Back => 3,
             Self::Forward => 4,
-            Self::Other(other) => 5 + *other as u32,
+            Self::Other(other) => 5 + u32::from(*other),
         }
     }
 }