uses "console", "reflection";

class VariableWatcher extends Variable {
    function get() {
        Console.println( "get called" );
        return "har";
    }
    function set( void value ) {
        Console.println( "set called: $value" );
    }
    function cleanup() {
        return "cleanup called";
    }
}

string v = "";
object o = new VariableWatcher(v);
v = "hi";
Console.println( v );