c++20/just_cats/main.cpp

// Copyright (C) 2022-2023 by Camden Mannett.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#include <arg_router/arg_router.hpp>
 
namespace ar = arg_router;
namespace arp = ar::policy;
using namespace ar::literals;
 
int main(int argc, char* argv[])
{
    ar::root(arp::validation::default_validator,
             ar::help("help"_S,
                      "h"_S,
                      "Display this help and exit"_S,
                      arp::program_name_t{"just-cats"_S},
                      arp::program_intro_t{"Prints cats!"_S},
                      arp::program_addendum_t{"An example program for arg_router."_S}),
             ar::flag("cat"_S, "English cat"_S, arp::router{[](bool) {
                          std::cout << "cat" << std::endl;
                      }}),
             ar::flag("猫"_S,  //
                      arp::description_t{"日本語の猫"_S},
                      arp::router{[](bool) { std::cout << "猫" << std::endl; }}),
             ar::flag("🐱"_S,  //
                      arp::description_t{"Emoji cat"_S},
                      arp::router{[](bool) { std::cout << "🐱" << std::endl; }}),
             ar::flag("แมว"_S,  //
                      "แมวไทย"_S,
                      arp::router{[](bool) { std::cout << "แมว" << std::endl; }}),
             ar::flag("кіт"_S,  //
                      "український кіт"_S,
                      arp::router{[](bool) { std::cout << "кіт" << std::endl; }}))
        .parse(argc, argv);
 
    return EXIT_SUCCESS;
}