fix: clippy errors

src/config.rs

@@ -318,7 +318,7 @@ impl Configuration {
             warn!("No config file found. Creating default config file ...");
 
             let config = Configuration::default();
-            let _ = config.save_to_file(config_path).await;
+            let () = config.save_to_file(config_path).await;
 
             return Err(ConfigError::Message(format!(
                 "No config file found. Created default config file in {config_path}. Edit the file and start the application."

src/databases/mysql.rs

@@ -510,7 +510,7 @@ impl Database for Mysql {
             let announce_urls = announce_urls.iter().flatten().collect::<Vec<&String>>();
 
             for tracker_url in &announce_urls {
-                let _ = query("INSERT INTO torrust_torrent_announce_urls (torrent_id, tracker_url) VALUES (?, ?)")
+                let () = query("INSERT INTO torrust_torrent_announce_urls (torrent_id, tracker_url) VALUES (?, ?)")
                     .bind(torrent_id)
                     .bind(tracker_url)
                     .execute(&mut tx)

src/databases/sqlite.rs

@@ -498,7 +498,7 @@ impl Database for Sqlite {
             let announce_urls = announce_urls.iter().flatten().collect::<Vec<&String>>();
 
             for tracker_url in &announce_urls {
-                let _ = query("INSERT INTO torrust_torrent_announce_urls (torrent_id, tracker_url) VALUES (?, ?)")
+                let () = query("INSERT INTO torrust_torrent_announce_urls (torrent_id, tracker_url) VALUES (?, ?)")
                     .bind(torrent_id)
                     .bind(tracker_url)
                     .execute(&mut tx)

src/services/category.rs

@@ -65,7 +65,7 @@ impl Service {
         }
 
         match self.category_repository.delete(category_name).await {
-            Ok(_) => Ok(()),
+            Ok(()) => Ok(()),
             Err(e) => match e {
                 DatabaseError::CategoryNotFound => Err(ServiceError::CategoryNotFound),
                 _ => Err(ServiceError::DatabaseError),

src/services/tag.rs

@@ -39,7 +39,7 @@ impl Service {
         }
 
         match self.tag_repository.add(tag_name).await {
-            Ok(_) => Ok(()),
+            Ok(()) => Ok(()),
             Err(e) => match e {
                 DatabaseError::TagAlreadyExists => Err(ServiceError::TagAlreadyExists),
                 _ => Err(ServiceError::DatabaseError),
@@ -65,7 +65,7 @@ impl Service {
         }
 
         match self.tag_repository.delete(tag_id).await {
-            Ok(_) => Ok(()),
+            Ok(()) => Ok(()),
             Err(e) => match e {
                 DatabaseError::TagNotFound => Err(ServiceError::TagNotFound),
                 _ => Err(ServiceError::DatabaseError),

src/web/api/v1/contexts/category/handlers.rs

@@ -81,7 +81,7 @@ pub async fn delete_handler(
     };
 
     match app_data.category_service.delete_category(&category_form.name, &user_id).await {
-        Ok(_) => deleted_category(&category_form.name).into_response(),
+        Ok(()) => deleted_category(&category_form.name).into_response(),
         Err(error) => error.into_response(),
     }
 }

src/web/api/v1/contexts/tag/handlers.rs

@@ -52,7 +52,7 @@ pub async fn add_handler(
     };
 
     match app_data.tag_service.add_tag(&add_tag_form.name, &user_id).await {
-        Ok(_) => added_tag(&add_tag_form.name).into_response(),
+        Ok(()) => added_tag(&add_tag_form.name).into_response(),
         Err(error) => error.into_response(),
     }
 }
@@ -77,7 +77,7 @@ pub async fn delete_handler(
     };
 
     match app_data.tag_service.delete_tag(&delete_tag_form.tag_id, &user_id).await {
-        Ok(_) => deleted_tag(delete_tag_form.tag_id).into_response(),
+        Ok(()) => deleted_tag(delete_tag_form.tag_id).into_response(),
         Err(error) => error.into_response(),
     }
 }

src/web/api/v1/contexts/user/handlers.rs

@@ -145,7 +145,7 @@ pub async fn ban_handler(
     };
 
     match app_data.ban_service.ban_user(&to_be_banned_username.0, &user_id).await {
-        Ok(_) => Json(OkResponseData {
+        Ok(()) => Json(OkResponseData {
             data: format!("Banned user: {}", to_be_banned_username.0),
         })
         .into_response(),