#ifndef __CARD__TOOL__HPP__
#define __CARD__TOOL__HPP__
#include <atomic>
#include <ctime>

struct card_tool
{
	static card_tool *inst();
	void record_stffer_num();
	void fetch_add();
private:
	card_tool();
	void reset();
	std::atomic<uint32_t> m_staff_num;
	std::time_t m_record_staffer_timeval;
};
#endif