// Compare two Animals for equality; used in Recipe 14.9
// (for completeness, you should also define operator!=)
inline bool operator==(const Animal& lhs, const Animal& rhs)
{
return lhs.name( ) == rhs.name( ) &&
lhs.species( ) == rhs.species( ) &&
lhs.dateOfBirth( ) == rhs.dateOfBirth( ) &&
lhs.veterinarian( ) == rhs.veterinarian( ) &&
lhs.trainer( ) == rhs.trainer( );
}
int main(){
//To demonstrate polymorphism I'll create a pointer of type Animal and use it to access the subclass animals
Animal *p = new Bird();
p->name();
p->does();
Animal *t = new Dog();
t->name();
t->does();
delete p;
delete t;
//This demonstrates overriding of the pure virtual functions in the abstract class Animal
system("PAUSE");
return 0;
}
int main()
{
Animal *p = new Bird;
Animal *p1 = new Dog;
p->name();
p->does();
p1->name();
p1->does();
system("pause");
}
int main() {
Animal *animal = new Animal;
Parrot *parrot = new Parrot;
animal->name((char *)"wolf");
parrot->name((char *)"crunk");
animal->say();
parrot->say();
parrot->learn((char *)"puppa");
parrot->replay();
}
void GenioState::handleAnswer()
{
string input;
if (gameContext->hasNext())
{
Animal* animal = gameContext->next();
cout << "O animal que voce pensou " << animal->skill() << endl;
cin >> input;
if (input == string("sim"))
{
cout << "O animal que voce pensou e o " << animal->name() << "?" << endl;
cin >> input;
if (input == string("sim"))
{
gameContext->setState(gameContext->getWinnerState());
}
}
int main()
{
Animal* sheep = new Sheep;
Animal* cow = new Cow;
cout << "The " << sheep->name() << " says: " << sheep->speak() << endl;
cout << "The " << cow->name() << " says: " << cow->speak() << endl;
*sheep = *cow; // slicing!
cout << "The " << sheep->name() << " says: " << sheep->speak() << endl;
cout << "The " << cow->name() << " says: " << cow->speak() << endl;
cout << "You can make the sheep speak like a cow, but it will always be a sheep at heart." << endl;
cout << "In other words: you can copy/move base class values without \"slicing\" derived data," << endl;
cout << "but you cannot avoid slicing the vtable." << endl;
delete sheep;
delete cow;
return 0;
}
