apply of clippy.

fixed missing imports and builds and tests as expected again

gemmasdl2/src/bin/gemmasdl2.rs

@@ -37,7 +37,7 @@ async fn run() -> anyhow::Result<String> {
     let mut event_pump = sdl.event_pump().map_err(|e| anyhow::anyhow!("Failed to get SDL event pump: {}", e))?;
 
     // Initial settings
-    let mut color = [0.0, 0.0, 0.0, 1.0]; // Background color
+    let color = [0.0, 0.0, 0.0, 1.0]; // Background color
     let start_time = Instant::now();
     let mut timestep = TimeStep::new();
 

gemmasdl2/src/bin/support/gemma_egui_support.rs

@@ -1,13 +1,9 @@
 use std::fs::read_dir;
-use std::ops::Index;
-use std::path::{Display, PathBuf};
-use std::thread;
-use std::time::Duration;
-use egui::{Align, Color32, ComboBox, Direction, Pos2, Response, TextBuffer};
+use std::path::PathBuf;
+use egui::{Align, Color32, ComboBox, Pos2, TextBuffer};
 use egui::Rect;
 use egui::Vec2;
 use egui::Ui;
-use egui::WidgetType::SelectableLabel;
 use crate::Chip8Computer;
 
 const CELL_WIDTH: f32 = 5.0;
@@ -16,7 +12,7 @@ const CELL_HEIGHT: f32 = 5.0;
 pub struct EGuiFileList {}
 impl EGuiFileList {
     pub fn display_path(root: PathBuf, selected_filename: &mut String, ui: &mut Ui) {
-        let mut working_filename = selected_filename.clone();
+        let working_filename = selected_filename.clone();
         ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {
            //  ui.label(format!("Displaying {}", root.to_str().unwrap_or("Unable to Load Path")));
             ComboBox::from_label("Select ROM")
@@ -46,7 +42,7 @@ impl EGuiFileList {
 pub struct GemmaEguiSupport {}
 
 impl GemmaEguiSupport {
-    pub fn controls_view(mut system: &mut Chip8Computer, ui: &mut Ui) {
+    pub fn controls_view(system: &mut Chip8Computer, ui: &mut Ui) {
          ui.with_layout(egui::Layout::left_to_right(egui::Align::TOP), |ui| {
              if ui.button("Start").clicked() {
                  println!("Start");