public class Person : Object {
	/* Construction properties */
	public string name { get; construct; }
	public int age { get; construct set; }

	public Person(string name) {
		Object(name: name);
	}

	public Person.with_age(string name, int years) {
		Object(name: name, age:years);
	}

	construct {
		// do anything else
		stdout.printf("Welcome %s\n", this.name);
	}
}

void main () {
	var a = new Person("Kolan"),
	    b = new Person.with_age("Volodia", 30);

	var c = Object.new (a.get_type(), "name", "Unnamed");
}