Method size

tenseal/cpp/utils/queue.h:67–70

* size() returns the size of the queue. **/

     * size() returns the size of the queue.
     **/
    [[nodiscard]] unsigned int size() const noexcept {
        std::scoped_lock lock{mutex_};
        return queue_.size();
    }

   private:
    std::queue<T> queue_;