fixbug

include/robot_xmlrpcpp/XmlRpcValue.h

@@ -112,6 +112,9 @@ namespace robot_xmlrpcpp {
     //! Check for the existence of a struct member by name.
     bool hasMember(const std::string& name) const;
 
+    //! If this value is a struct, returns pointer to its members; otherwise nullptr.
+    const ValueStruct *getStructMembers() const;
+
     //! Decode xml. Destroys any existing value.
     bool fromXml(std::string const& valueXml, int* offset);