Fixing some code problems

src/repetitions.rs

@@ -47,7 +47,7 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
 
             let selected_set = self.selected_deck_mut().unwrap();
             if selected_set.append_mode == AppendMode::Full {
-                Self::append_all_words(&clone.lock().unwrap(), selected_set);
+                Self::append_all_words(&mut clone.lock().unwrap(), selected_set);
                 selected_set.existing_words_indices = selected_set.available_words_indices.clone();
             } else {
                 if selected_set
@@ -220,8 +220,8 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
                 }
 
                 let deck = self.selected_deck().unwrap();
-                let state = self.state.lock().unwrap();
-                Self::append_words(&state, &deck.general_settings, adding.into_iter());
+                let mut state = self.state.lock().unwrap();
+                Self::append_words(&mut state, &deck.general_settings, adding.into_iter());
             }
         }
         Task::none()
@@ -565,7 +565,7 @@ impl RepetitionsState {
 }
 
 impl RepetitionsState {
-    fn append_all_words(state: &AppState, deck: &DeckViewData) {
+    fn append_all_words(state: &mut AppState, deck: &DeckViewData) {
         let existing = deck.existing_words_indices.as_ref().unwrap();
         let mut created_set = HashSet::with_capacity(existing.len());
         existing.iter().for_each(|c| {
@@ -580,7 +580,7 @@ impl RepetitionsState {
             .cloned();
         Self::append_words(state, deck, required);
     }
-    fn append_words(state: &AppState, deck: &DeckSettings, indices: impl Iterator<Item = usize>) {
+    fn append_words(state: &mut AppState, deck: &DeckSettings, indices: impl Iterator<Item = usize>) {
         let words = &state.dictionary;
         let stats = &mut indices
             .map(|i| {
@@ -596,7 +596,7 @@ impl RepetitionsState {
             .collect::<Vec<_>>();
 
         if !stats.is_empty() {
-            add_stat_list(stats, &state.connection);
+            add_stat_list(stats, &mut state.connection);
         }
     }