📋 Interfejsy

Interfejsy definiują kontrakt - jakie metody musi implementować klasa.

Definicja interfejsu

interface Drawable {
    fn draw();
    fn resize(width, height);
}
        

Implementacja

class Circle implements Drawable {
    init(x, y, radius) {
        this.x = x;
        this.y = y;
        this.radius = radius;
    }

    draw() {
        print(`Drawing circle at ${this.x}, ${this.y}`);
    }

    resize(width, height) {
        this.radius = min(width, height) / 2;
    }
}

class Rectangle implements Drawable {
    init(w, h) {
        this.width = w;
        this.height = h;
    }

    draw() {
        print(`Drawing rect ${this.width}x${this.height}`);
    }

    resize(width, height) {
        this.width = width;
        this.height = height;
    }
}

// Polimorfizm
let shapes = [Circle(0,0,5), Rectangle(10,20)];
for (shape in shapes) {
    shape.draw();
}
        