cpp_non_virtual.txt

The bird is eating worms
The animal is eating stuff

cpp_virtual.txt

The bird is eating worms
The animal is eating worms

final.ooc

Animal: class {
    eat: final func -> String { return "eating stuff" }
}

Bird: class extends Animal {
    eat: final func -> String { return "eating worms" }
}


main: func () {
    bird := Bird new()
    animal := bird as Animal

    "The bird is %s" format(bird eat()) println()
    "The animal is %s" format(animal eat()) println()
}

non-final.ooc

Animal: class {
    eat: func -> String { return "eating stuff" }
}

Bird: class extends Animal {
    eat: func -> String { return "eating worms" }
}


main: func () {
    bird := Bird new()
    animal := bird as Animal

    "The bird is %s" format(bird eat()) println()
    "The animal is %s" format(animal eat()) println()
}

non-virtual.cpp

#include <iostream>
using namespace std;


class Animal
{
public:
    void Eat()
    {
        cout << "eating stuff" << endl;
    }
};

class Bird : public Animal
{
public:
    void Eat()
    {
        cout << "eating worms" << endl;
    }
};


int main()
{
    Bird* b = new Bird;
    Animal* a = (Animal*)b;
    
    cout << "The bird is ";
    b->Eat();
    
    cout << "The animal is ";
    a->Eat();

    return 0;
}

ooc_final.txt

The bird is eating worms
The animal is eating stuff

ooc_non_final.txt

The bird is eating worms
The animal is eating worms

virtual.cpp

#include <iostream>
using namespace std;


class Animal
{
public:
    virtual void Eat()
    {
        cout << "eating stuff" << endl;
    }
};

class Bird : public Animal
{
public:
    virtual void Eat()
    {
        cout << "eating worms" << endl;
    }
};


int main()
{
    Bird* b = new Bird;
    Animal* a = (Animal*)b;
    
    cout << "The bird is ";
    b->Eat();
    
    cout << "The animal is ";
    a->Eat();

    return 0;
}