#unittest {
	name: "Chained call 3.";
	result: 2468;
};

func foo(a) {
	return a*2;
}

class c3 {
	var p1 = 555;
	func f1() {
		p1 = 666;
		return foo;
	}
}

class c2 {
	var p1 = 333;
	func f1() {
		p1 = 444;
		return c3();
	}
}

class c1 {
	var p1 = 111;
	func f1() {
		p1 = 222;
		return c2();
	}
}

func main() {
	return c1().f1().f1().f1()(1234);
}