Uninitialized scalar field about cmdparser HOT 2 OPEN

		template<typename T>
		class CmdFunction final : public CmdBase {
		public:
			explicit CmdFunction(const std::string& name, const std::string& alternative, const std::string& description, bool required, bool dominant) :
				CmdBase(name, alternative, description, required, dominant, ArgumentCountChecker<T>::Variadic) {
			}

			virtual bool parse(std::ostream& output, std::ostream& error) {
				try {
					CallbackArgs args { arguments, output, error };
					value = callback(args);
					emptyValue_ = false; // FIX HERE ?
					return true;
				} catch (...) {
					return false;
				}
			}

			virtual std::string print_value() const {
				return emptyValue_ ? "" : stringify(value); // FIX HERE ?
			}

			std::function<T(CallbackArgs&)> callback;
			T value;
		private: // FIX HERE ?
			bool emptyValue_ = true; 
		};

callback(args);

T value = callback(args);
(void) value;
return true;