DogHouse& operator=(const DogHouse& dh) {
// Check for self-assignment:
if(&dh != this) {
houseName = dh.houseName + " assigned";
// Clean up what you're using first:
p->detach();
p = dh.p; // Like copy-constructor
p->attach();
}
cout << "DogHouse operator= : "
<< *this << endl;
return *this;
}
// Decrement refcount, conditionally destroy
~DogHouse() {
cout << "DogHouse destructor: "
<< *this << endl;
p->detach();
}
