Method enqueue

external/cpp-httplib/httplib.h:550–554

        ~ThreadPool() override = default;

        void enqueue(std::function<void()> fn) override {
            std::unique_lock<std::mutex> lock(mutex_);
            jobs_.push_back(std::move(fn));
            cond_.notify_one();
        }

        void shutdown() override {
            // Stop all worker threads...