Function set_process_env

tests/core/audio_task_warm_bench.h:184–194

        const auto label = meta.find("label");
        const auto index = meta.find("index");
        const auto score = meta.find("score");
        step.emplace("label", string(label != meta.end() ? label->second : ""));
        step.emplace(
            "index",
            number(index != meta.end() ? std::stod(index->second) : -1.0));
        step.emplace(
            "score",
            number(score != meta.end() ? std::stod(score->second) : 0.0));
        }
        break;
    }
    return io::json::Value::make_object(std::move(step));
}