Fix clippy lints

gui/src/lib.rs

@@ -80,7 +80,7 @@ fn refresh_list(conf: &Arc<Mutex<Config>>, app_weak: &slint::Weak<App>) {
         let _ = app_weak.upgrade_in_event_loop(|app| {
             let list: ModelRc<SItem> = app.global::<State>().get_list();
             let list: &VecModel<SItem> = list.as_any().downcast_ref().expect("list is a VecModel");
-            update_slint_list(new_list, &list);
+            update_slint_list(new_list, list);
         });
     });
 }
@@ -125,7 +125,7 @@ pub fn run() -> Result<(), anyhow::Error> {
     state.on_add_to_list(move |item| {
         if let Some(index) = list.iter().position(|item2| item2.name == item) {
             let mut item2 = list.row_data(index).unwrap();
-            item2.amount = item2.amount + 1;
+            item2.amount += 1;
             let item3 = item2.clone();
             list.set_row_data(index, item2);
             let conf = conf.clone();
@@ -229,7 +229,7 @@ pub fn run() -> Result<(), anyhow::Error> {
     state.on_inc_amount(move |item| {
         if let Some(index) = list.iter().position(|item2| item2.name == item) {
             let mut item2 = list.row_data(index).unwrap();
-            item2.amount = item2.amount + 1;
+            item2.amount += 1;
             let item3 = item2.clone();
             list.set_row_data(index, item2);
             let conf = conf.clone();
@@ -247,7 +247,6 @@ pub fn run() -> Result<(), anyhow::Error> {
                     eprintln!("{err:?}");
                 }
             });
-            return;
         }
     });
 
@@ -256,7 +255,7 @@ pub fn run() -> Result<(), anyhow::Error> {
     state.on_dec_amount(move |item| {
         if let Some(index) = list.iter().position(|item2| item2.name == item) {
             let mut item2 = list.row_data(index).unwrap();
-            item2.amount = item2.amount - 1;
+            item2.amount -= 1;
             let item3 = item2.clone();
             list.set_row_data(index, item2);
             let conf = conf.clone();
@@ -284,7 +283,6 @@ pub fn run() -> Result<(), anyhow::Error> {
                         eprintln!("{err:?}");
                     }
                 });
-                return;
             }
         }
     });