39 lines
510 B
C++
39 lines
510 B
C++
/**
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* @file virnhe.cpp
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* @brief 虚继承
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* @author 光城
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* @version v1
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* @date 2019-07-21
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*/
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#include<iostream>
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using namespace std;
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class A
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{
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virtual void fun() {}
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};
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class B
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{
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virtual void fun2() {}
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};
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class C : virtual public A, virtual public B
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{
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public:
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virtual void fun3() {}
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};
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int main()
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{
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/**
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* @brief 8 8 16 派生类虚继承多个虚函数，会继承所有虚函数的vptr
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*/
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cout<<sizeof(A)<<" "<<sizeof(B)<<" "<<sizeof(C);
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return 0;
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}
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