noe mehdi.ts

interface FourLegs {
    readonly fourLeg: true;
}
interface Black {
    readonly black: true;
}

class Animal {

}

class Cat extends Animal implements FourLegs {
    fourLeg;
}

class EuropeanCat extends Cat implements Black {
    black;
}

class ChartreuxCat extends Cat {

}

class Dog extends Animal implements FourLegs {
    fourLeg;
}

class DogNewfoundland extends Dog implements Black{
    black;
}

class DogMoonMoon extends Dog {

}

class Bird extends Animal {

}

class Chickadee extends Bird {

}

class Blackbird extends Bird implements Black{
    black;
}

class Fish extends Animal {

}

class Tuna extends Fish {

}

class Shark extends Fish {

}

class Worm extends Animal {

}

function shoot(animal: Animal) {
    console.log('Une magnifique photo d\'un animal');
}

function meow(cat: Cat) {
    console.log('Lorsque je veux quelque chose je miaule car je suis un chat');
}

function woof(dog: Dog) {
    console.log('J\'aboie pour signaler un danger car je suis un chien');
}

function fly(bird: Bird) {
    console.log('Je vole car je suis oiseau');
}

function swim(fish: Fish) {
    console.log('Je nage car je suis un poisson');
}

function caress(fourLeg: FourLegs) {
    console.log("J'ai 4 pattes");
}

function feed(black: Black) {
    console.log("Je suis de couleur noire");
}

//Quelques vérification
console.log('Animal :');
var animal = new Animal;
shoot(animal);
console.log();
console.log('Chat :');
var cat = new Cat;
shoot(cat);
meow(cat);
caress(cat);
console.log();
console.log('Chat de race européen :');
var euCat = new EuropeanCat;
shoot(euCat);
meow(euCat);
caress(euCat);
feed(euCat);
console.log();
console.log('Chat de race chartreux :');
var chartreuxCat = new ChartreuxCat;
shoot(chartreuxCat);
meow(chartreuxCat);
caress(chartreuxCat);