refactor: more clippy

examples/sdl/src/main.rs

@@ -23,7 +23,7 @@ const LOGIC_RATIO: f32 = 2.0;
 const SCREEN_SCALE: f32 = 2.0;
 
 /// The base title to be used in the window.
-static TITLE: &'static str = "Boytacean";
+static TITLE: &str = "Boytacean";
 
 pub struct Emulator {
     system: GameBoy,
@@ -36,7 +36,7 @@ pub struct Emulator {
 impl Emulator {
     pub fn new(system: GameBoy, screen_scale: f32) -> Self {
         Self {
-            system: system,
+            system,
             graphics: Graphics::new(
                 TITLE,
                 DISPLAY_WIDTH as u32,

examples/sdl/src/util.rs

@@ -49,12 +49,12 @@ impl Graphics {
         canvas.clear();
 
         Self {
-            canvas: canvas,
-            video_subsystem: video_subsystem,
-            timer_subsystem: timer_subsystem,
-            audio_subsystem: audio_subsystem,
-            event_pump: event_pump,
-            ttf_context: ttf_context,
+            canvas,
+            video_subsystem,
+            timer_subsystem,
+            audio_subsystem,
+            event_pump,
+            ttf_context,
         }
     }