Method available_parallelism

include/exec/tbb/tbb_thread_pool.hpp:38–42

    }

    [[nodiscard]]
    auto available_parallelism() const -> std::uint32_t
    {
      return static_cast<std::uint32_t>(arena_.max_concurrency());
    }

   private:
    friend exec::thread_pool_base<tbb_thread_pool>;