History page drawing

src/repetitions.rs

@@ -26,7 +26,11 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
         if let RepetitionsMessage::Back = message {
             Some(PreviousPage)
         } else if let RepetitionsMessage::GoToHistory = message {
-            Some(History(HistoryState::new(self.selected_set.unwrap(), self.state.clone())))
+            let card_set;
+            {
+                card_set = self.state.lock().unwrap().card_sets[self.selected_set.unwrap()].id;
+            }
+            Some(History(HistoryState::new(card_set, self.state.clone())))
         } else if let RepetitionsMessage::GoToRepetition = message {
             let clone = self.state.clone();
             let card_set;