31 lines
576 B
C++
31 lines
576 B
C++
#pragma once
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#include <string>
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#include <iostream>
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/**
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* 基础错误类
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*/
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namespace ylib
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{
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// 单例基类模板
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template <typename T>
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class singleton {
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public:
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// 获取单例对象的静态方法
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static T* getInstance() {
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static T instance; // C++11以后，局部静态变量的初始化是线程安全的
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return &instance;
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}
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protected:
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// 禁止拷贝构造函数和拷贝赋值操作
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//singleton(const singleton&) = delete;
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//singleton& operator=(const singleton&) = delete;
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// 允许析构
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//virtual ~singleton() = default;
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};
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}
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