// ConsoleApplication7.cpp : 定义控制台应用程序的入口点。

#include "stdafx.h"

#include<iostream>

using namespace std;

class A

{

public:

    A()

    {

        cout << "A()被调用了" << endl;

    }

    ~A()

    {

        cout << "~A()被调用了" << endl;

    }

private:

    int x;

    int y;

};

int main()

{

    void* p = (void*)new char[sizeof(A)];

    A* s = new(p) A();

    s->~A();

    delete (void*)p;

    return 0;

}