flash on 2009-9-16

/**
 * Copyright yd_niku ( http://wonderfl.net/user/yd_niku )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/bw8j
 */

package {
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            var viewer:IUpdate = new Viewer();
            viewer.update();
        }
    }
}

import flash.display.*;
interface IUpdate{
    function update():void;
}

class Viewer extends Sprite implements IUpdate {
    public function update():void {
    }
}