Files

34 lines
490 B
C++

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