Method is_valid

lite/load_and_run/src/options/io_options.cpp:354–362

}

bool IOdumpOption::is_valid() {
    bool ret = !FLAGS_io_dump.empty();
    ret = ret || FLAGS_io_dump_stdout;
    ret = ret || FLAGS_io_dump_stderr;
    ret = ret || !FLAGS_bin_io_dump.empty();
    ret = ret || !FLAGS_bin_out_dump.empty();
    ret = ret || FLAGS_copy_to_host;
    return ret;
}

std::shared_ptr<OptionBase> IOdumpOption::create_option() {
    static std::shared_ptr<IOdumpOption> option(new IOdumpOption);