-// new Argument<std::string>("File path", [](std::string value)->void { std::cout << "Hello from lambda " << value << std::endl; }),
- new Required(new MultiValue("-", new Argument<bool>("Input values", argument_function))),
- new MultiValue(",", new Option<std::string>("f", "Optional file", option_function)),
+ new Grouped({
+ new Required(new MultiValue("-", new Argument<bool>("Input values", argument_function))),
+ new MultiValue(",", new Option<std::string>("f", "Optional file", option_function))
+ }),