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c++编写计时函数

本文主要是介绍c++编写计时函数,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
    auto now = std::chrono::steady_clock::now();
    std::chrono::duration<double> diff = std::chrono::steady_clock::now() - now;
    std::cout << "now: " << diff.count() << std::endl;
    std::this_thread::sleep_for(std::chrono::duration<int>(5));
    diff = std::chrono::steady_clock::now() - now;
    std::cout << "sleep_for: " << diff.count() << std::endl;
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