CopyingWithPointers.cpp

//#include <string>
//#include <iostream>
//using namespace std;
//class  Dog
//{
//	string nm;
//public:
//	Dog(const string& name):nm(name){
//		cout<<"Creating Dog"<<*this<<endl;
//
//	}
//	Dog(const Dog* dp,const string &msg):nm(dp->nm+msg){
//cout<<"copied dog"<<*this<<"from"<<*dp<<endl;
//	}
//	~Dog(){
//	cout<<"deleting Dog"<<*this<<endl;
//	}
//	void rename(const string& newName){
//		nm=newName;
//		cout<<"Dog renamed to "<<*this<<endl;
//	}
//	friend ostream& operator<<(ostream& os,const Dog&d);
//	
//};
//ostream& operator<<(ostream& os,const Dog&d)
//{
//	return os<<"["<<d.nm<<"]";
//}
//class DogHouse{
//	Dog*p;
//	string houseName;
//public:
//	DogHouse(Dog*dog,const string &house)
//		:p(dog),houseName(house){}
//	DogHouse(const DogHouse&dh):p(new Dog(dh.p,"copy-constructed!")),houseName(dh.houseName+" copy-constructed"){}
//	DogHouse& operator=(const DogHouse&dh){
//		if (&dh!=this)
//		{
//			p=new Dog(dh.p,"assigned");
//			houseName=dh.houseName+"assigned";
//		}
//		return *this;
//	}
//	void renameHouse(const string&newName)
//	{
//		houseName=newName;
//	}
//	Dog*getDog()const {return p;}
//	~DogHouse(){delete p;}
//	friend ostream& operator<<(ostream& os,const DogHouse&dh){
//		return os<<"["<<dh.houseName<<"] contains"<<*dh.p;
//	}
//  	
//};
//int main(){
//	DogHouse fidos(new Dog("Fidos"),"FidosHouse");
//	cout<<fidos<<endl;
//	DogHouse fidos2=fidos;
//	cout<<fidos2<<endl;
//	fidos2.getDog()->rename("spot");
//	fidos2.renameHouse("spotHouse");
//	cout<<fidos2<<endl;
//	fidos=fidos2;
//	cout<<fidos<<endl;
//	fidos.getDog()->rename("Max");
//	fidos2.renameHouse("MaxHouse");
//}