Function find_arg

app/cli/args.cpp:7–14

namespace minitts::cli {

std::optional<std::string> find_arg(int argc, char ** argv, const std::string & name) {
    for (int i = 1; i + 1 < argc; ++i) {
        if (argv[i] == name) {
            return std::string(argv[i + 1]);
        }
    }
    return std::nullopt;
}

bool has_arg(int argc, char ** argv, const std::string & name) {
    for (int i = 1; i < argc; ++i) {