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/** * Observer Design Pattern * * Intent: Lets you define a subscription mechanism to notify multiple objects * about any events that happen to the ob 阅读全文
posted @ 2023-12-24 19:56
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#include <iostream> #include <thread> #include <mutex> class Singleton { private: static Singleton* pinstance_; static std::mutex mutex_; protected: S 阅读全文
posted @ 2023-12-24 19:37
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