Function optional_path_arg

app/cli/args.cpp:85–90

        std::cerr << "s";
    }
    std::cerr << ":";
    for (const auto & token : ignored) {
        std::cerr << " " << token;
    }
    std::cerr << "\n";
}

std::optional<std::string> find_arg(int argc, char ** argv, const std::string & name) {
    record_value_query(name);