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#ifndef WORKER_H
#define WORKER_H

#include <deque>
#include <memory>
#include <mutex>
#include <semaphore>
#include <special_members.hpp>
#include <thread>
#include <utility>
#include <vector>

class Work;

class Worker {
public:
	Worker();
	~Worker();

	NO_COPY(Worker);
	NO_MOVE(Worker);

	using WorkPtr = std::unique_ptr<Work>;

	template<typename T, typename... Params>
	void
	addWork(Params &&... params)
	{
		addWork(std::make_unique<T>(std::forward<Params>(params)...));
	}

	void addWork(WorkPtr w);

private:
	void worker();

	using Threads = std::vector<std::thread>;
	using ToDo = std::deque<WorkPtr>;

	Threads threads;
	ToDo todo;
	std::counting_semaphore<16> todoLen;
	std::mutex todoMutex;
};

#endif