#include #include int main(int argc, char *argv[]) { CLI::App cli_global{"Demo app"}; auto &cli_sub = *cli_global.add_subcommand("sub", "Some subcommand"); std::string sub_arg; cli_sub.add_option("sub_arg", sub_arg, "Argument for subcommand")->required(); CLI11_PARSE(cli_global, argc, argv); if(cli_sub) { std::cout << "Got: " << sub_arg << std::endl; } return 0; }