25 lines
789 B
C
25 lines
789 B
C
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/*******************************************************************
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* Copyright (c) 2022~2023 XMuli All rights reserved.
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* GitHub: https://github.com/XMuli
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* Description: 单例模式 Singleton Pattern 的最优雅实现
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* Reference: https://zhuanlan.zhihu.com/p/37469260 单例介绍及好一篇
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******************************************************************/
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#pragma once
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// 《Effective C++》提出了一种更优雅的单例模式实现，称为 Meyers' Singleton
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class Singleton
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{
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public:
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static Singleton& instance() {
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static Singleton instan;
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return instan;
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}
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private:
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Singleton() {};
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~Singleton() {};
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Singleton(const Singleton& obj) = delete;
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Singleton& operator=(const Singleton& obj) = delete;
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};
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