Function arg_value

tests/core/model_load_bench.cpp:14–21

namespace {

std::optional<std::string> arg_value(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;
}

int arg_int(int argc, char ** argv, const std::string & name, int fallback) {
    if (const auto value = arg_value(argc, argv, name)) {