C / C++ / MFC

#include "stdafx.h"
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <chrono>
#include <fstream>
#include <iostream>

namespace boost
{
	namespace serialization
	{
		template<class Archive>
		void serialize(Archive&ar, std::chrono::nanoseconds&time, const unsigned int version)
		{
			long long count{ time.count() };
			ar&count;
		}
	}
}

int main()
{
	std::chrono::nanoseconds time(10);
	long long count = time.count();
	{
		std::ofstream saveFile("filename");
		boost::archive::text_oarchive boostOutputArchieve(saveFile);		
		boostOutputArchieve << time;		
		boostOutputArchieve << count;
	}
	std::chrono::nanoseconds newTime;
	long long newCount;
	{
		std::ifstream loadFile("filename");
		boost::archive::text_iarchive boostInputArchieve(loadFile);
		boostInputArchieve >> newTime;
		boostInputArchieve >> newCount;
	}
	std::cout << newTime.count() << '\n' << newCount << '\n';
	return 0;
}