#include #include #include int main(int argc, char **argv) { CLI::App app("Validator checker"); std::string file; app.add_option("-f,--file,file", file, "File name")->check(CLI::ExistingFile); int count; app.add_option("-v,--value", count, "Value in range")->check(CLI::Range(3, 6)); CLI11_PARSE(app, argc, argv); std::cout << "Try printing help or failing the validator" << std::endl; return 0; }