SmartSharedPointer264.cpp

#include<iostream>
#include<memory>
using namespace std;

class Rectangle
{
	int length;
    int breadth;
    public:
	Rectangle(int l,int b)
	{
		length=l;
	    breadth=b;
	}
	    
    int area()
	{
		return length*breadth;
	}
	
};
    
int main()
{
	shared_ptr<Rectangle> ptr(new Rectangle(10,5));
	cout<<ptr->area()<<endl;
	shared_ptr<Rectangle> ptr2;
	ptr2=ptr;
	    
	cout<<"ptr2 "<<ptr2->area()<<endl;
	cout<<"ptr "<<ptr->area()<<endl;
	cout<<ptr.use_count()<<endl;
	
}