Function main

examples/subcom_help.cpp:11–21

#include <string>

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 << '\n';
    }
    return 0;
}