class T {
    public function print {
        println ("class T")
    }
}

class S extends T {
    public function print {
        println ("class S")
    }
}

var t = new T()
var s = new S()
println ("before copy")
t.print()
s.print()

var tcopy = clone (t, false)
var scopy = clone (s, false)
println ("after copy")
tcopy.print()
scopy.print()