35 lines
663 B
C++
35 lines
663 B
C++
/**
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* @file full_virde.cpp
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* @brief 将基类的析构函数声明为虚函数
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* 输出结果：
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* Constructing base
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* Constructing derived
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* Destructing derived
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* Destructing base
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* @author 光城
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* @version v1
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* @date 2019-07-24
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*/
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#include <iostream>
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using namespace std;
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class base {
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public:
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base() { cout << "Constructing base \n"; }
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virtual ~base() { cout << "Destructing base \n"; }
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};
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class derived : public base {
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public:
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derived() { cout << "Constructing derived \n"; }
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~derived() { cout << "Destructing derived \n"; }
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};
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int main(void) {
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derived *d = new derived();
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base *b = d;
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delete b;
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return 0;
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}
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