📄 11.12.cpp
字号:
#include <iostream.h>
class A
{
public:
virtual ~A()
{ cout<<"A::~A() called.\n"; }
};
class B:public A
{
public:
B(int i)
{ buffer=new char[i]; }
~B()
{
delete [] buffer;
cout<<"B::~B() called.\n";
}
private:
char *buffer;
};
void fun(A *a)
{
delete a;
}
void main()
{
B *b=new B(5);
fun(b);
}
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