class Animal {
    photograph(photos: boolean) {
        console.log(`Animal photographed.`);
    }
}
class Dog extends Animal{
    paws: boolean;
    bark() {
        console.log('Woof! Woof!');
    }
}
class DogTN extends Dog{
    black: boolean;
}
class Cat extends Animal{
    meow() {
        console.log('Miaou! Miaou!');
    }
}
class CatEuro extends Cat{
    black: boolean;
}
class Bird extends Animal{
    fly() {
        console.log('I fly');
    }
}
class BirdMerle extends Bird{
    black: boolean;
}
class Fish extends Animal {
    swim() {
        console.log('I swim');
    }
}
class Asticot extends Animal{

}

interface Color{
    black: boolean;
}
interface Paws{
    paws: boolean;
}

function caresser (pattes: Paws){
    console.log ('Je me fait caresser !');
}
function nourrir (couleur: Color){
    console.log('je suis noir, miam miam !!!')
}
const dog = new Dog();
const requin = new Fish();
const oiseau = new Bird();
const minou = new CatEuro();
dog.bark();
dog.photograph(true);
requin.swim();
oiseau.fly();
nourrir(minou);
dog.fly();  // erreur logique le chien ne vole pas