Just For Test

#include <iostream>using namespace std;class A{private:int data;public:A(int d):data(d){}~A(){cout<<"~A "<<data<<endl;}};class B{private:const A* a;public:B(int d);~B();};B::B(int d){ *a = A(d); }B::~B(){if(a){delete a;*(A **)&a = 0;}}int main(void){B b(2);b.~B();system("pause");return 1;}