chapter1-14.cpp

C++STL程序员开发指南

//文件名：CHAPTER1-14.cpp
#include <iostream.h>
class A
{
public:
    virtual ~A() { cout<<"A::~A() Called.\n"; }
};
class B : public A
{
public:
    B(int i) { buf = new char[i]; }
    virtual ~B()
    {
        delete [] buf;
        cout<<"B::~B() Called.\n";
    }
private:
    char * buf;
};
void fun(A *a)
{   delete a;  }

void main()
{
    A *a = new B(15);
    fun(a);
}