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constexpr auto tenMillion = 10000000;constexpr auto tenMillion = 10’000’000;

//in C++14

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future std::promise

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future std::promise

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future std::promise

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future std::promise

공유상태(Shared State)

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std::vector<std::future<void>> futs;

class Widget {

public:

…

private:

std::shared_future<double> fut;

};

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int calcValue(); // 실행할함수

std::packaged_task<int()> pt(calcValue); // 동기적으로수행

auto fut = pt.get_future(); // future를얻음fut의소멸자는어떻게행동할까?

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std::thread t(std::move(pt)); // t에서 pt실행

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{

std::packaged_task<int()> pt(calcValue);

auto fut = pt.get_future();

std::thread t(std::move(pt));

…

}

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