plex Point {
    nat x;
    nat y;

    init(nat x, nat y) {
        this.x = x;
        this.y = y;
    }

    toS() {
        pln("[x:%d, y:%d]", 
            this.x,
            this.y);
    } 
}

plex Rect {
    Point top_left;
    Point bottom_right;
    nat width;
    nat height;

    init(Point tl, Point br, nat width, nat height) {
        this.top_left = tl;
        this.bottom_right = br;
        this.width = width;
        this.height = height;
    }

    toS() {
        pln("[top_left: [x:%d, y:%d], bottom_right: [x:%d, y:%d], width:%d, height:%d]]", 
            this.top_left.x,
            this.top_left.y, 
            this.bottom_right.x, 
            this.bottom_right.y,
            this.width, 
            this.height);
    }   
} 

function create_geometry() Rect {
    Point tl(10, 20);
    Point br(100, 50);
    Rect final_rect(tl, br, 90, 180);
    return final_rect;
}

function main() int {
    Rect r = create_geometry();
    print(r.toS());
    return 0;
}