gravity-lang/test/unittest/init_optionals.gravity

#unittest {
    name: "Optional arguments in constructor";
    result: 22200;
};

class Foo {
    var v1;
    var v2;

    func init (p1, p2) {
        if (p1) v1 = p1;
        else v1 = 100;
        
        if (p2) v2 = p2;
        else v2 = 200
    }
    
    func tot () {
        return v1 * v2;
    }
}

func main() {
    var f1 = Foo();         // 100 * 200 = 20000
    var f2 = Foo(10);       // 10  * 200 =  2000
    var f3 = Foo(10, 20);   // 10  *  20 =   200
    
    return f1.tot() + f2.tot() + f3.tot();
}