[Fix] Update Picojson (#327)

This PR adds a `const value& operator[](const std::string& key) const` method to picojson object
mlc-ai · Nov 11, 2024 · 79a69ae · 79a69ae
1 parent 35a317f
commit 79a69ae
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/3rdparty/picojson/picojson.h b/3rdparty/picojson/picojson.h
@@ -273,6 +273,10 @@ class object_with_ordered_keys : private std::unordered_map<std::string, value>
     return std::unordered_map<std::string, value>::operator[](key);
   }
 
+  const value& operator[](const std::string& key) const {
+    return std::unordered_map<std::string, value>::at(key);
+  }
+
   void clear() {
     std::unordered_map<std::string, value>::clear();
     ordered_keys_.clear();