1 files changed, 14 insertions, 0 deletions

@@ -651,6 +651,20 @@ struct GameData {
 
       subway_items_.push_back(subway_item);
     }
+
+    // Find singleton subway tags.
+    std::map<std::string, std::set<int>> subway_tags;
+    for (const SubwayItem &subway_item : subway_items_) {
+      for (const std::string &tag : subway_item.tags) {
+        subway_tags[tag].insert(subway_item.id);
+      }
+    }
+
+    for (const auto &[tag, items] : subway_tags) {
+      if (items.size() == 1) {
+        wxLogWarning("Singleton subway item tag: %s", tag);
+      }
+    }
   }
 
   int AddOrGetRoom(std::string room) {