hunyadi-dev commented on a change in pull request #911: URL: https://github.com/apache/nifi-minifi-cpp/pull/911#discussion_r542421625
########## File path: libminifi/include/core/FlowFile.h ########## @@ -129,7 +130,9 @@ class FlowFile : public core::Connectable, public ReferenceContainer { * @param value value to set * @return result of finding key */ - bool getAttribute(std::string key, std::string& value) const; + bool getAttribute(const std::string& key, std::string& value) const; + + utils::optional<std::reference_wrapper<const std::string>> getAttribute(const std::string& key) const; Review comment: I am not arguing for safety, to plut it blunt I just do not like unnecessary copies. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org