fix clippy warnings

src/bindgen_glue.rs

@@ -20,7 +20,7 @@ pub fn request_animation_frame(f: &Closure<dyn FnMut()>) -> i32 {
         .expect("should register `requestAnimationFrame` OK")
 }
 
-pub fn cancel_animation_frame(animation_id: i32) -> () {
+pub fn cancel_animation_frame(animation_id: i32) {
     window().cancel_animation_frame(animation_id).expect("Unable to cancel animation_frame")
 }
 

src/frames_per_second.rs

@@ -68,14 +68,15 @@ max of last 100 = {max}
 
         self.last_timeframe_stamp = now;
 
-        let latest_fps = 1 as f64 / delta * 1000 as f64;
+        let latest_fps = 1_f64 / delta * 1000_f64;
         self.frames.push_front(latest_fps);
 
         if self.frames.len() > 100 {
             self.frames.pop_back();
         }
 
         let element_id = &self.element_id;
+        #[allow(clippy::expect_fun_call)]
         let element = document().get_element_by_id(element_id).expect(&format!("Could not find element {element_id}"));
         element.set_text_content(Some(&self.text()))
     }

src/main.rs

@@ -169,7 +169,7 @@ fn draw_cells(universe: &Universe) {
     fill_cells(&context, cells, Cell::Dead);
 }
 
-fn fill_cells(context: &CanvasRenderingContext2d, cells: &Vec<Cell>, cell_type: Cell) {
+fn fill_cells(context: &CanvasRenderingContext2d, cells: &[Cell], cell_type: Cell) {
     for row in 0..GRID_ROWS {
         for col in 0..GRID_COLUMNS {
             let index = get_grid_index(row, col);
@@ -203,7 +203,7 @@ pub fn update_frame_loop(universe: Rc<Mutex<Universe>>) {
         frames_per_second.update_frame();
         let id = request_animation_frame(f.borrow().as_ref().unwrap());
 
-        if check == false {
+        if !check {
             config_canvas(universe.clone());
             check = true;
         }

src/universe.rs

@@ -29,9 +29,7 @@ pub struct Universe {
     cells: Vec<Cell>,
 }
 
-fn get_random_int(max: u32) -> u32 {
-    Math::abs(Math::floor(Math::random() * max as f64)) as u32
-}
+impl Default for Universe { fn default() -> Self { Self::new() } }
 
 impl Universe {
     /// Create a new universe with the standard height and width.
@@ -178,3 +176,8 @@ impl Universe {
         }
     }
 }
+
+fn get_random_int(max: u32) -> u32 {
+    Math::abs(Math::floor(Math::random() * max as f64)) as u32
+}
+