Giving closures a name

NamedClosures.as

public class Something extends EventDispatcher
{
    private var outterHandler:Function;
    private var innerHandler:Function;

    public function init():void
    {
        outerHandler = function(evt:UserEvent):void
        {
            service = new Service();
            
            innerHandler = function(serviceEvt:ServiceEvent):void
            {
                 doSomething(evt.username, serviceEvt.result);
            };
            
            service.addEventListener(ServiceEvent.STARTED, innerHandler);
 
            service.start(evt.username):

        };
       
        addEventListener(Event.COMPLETE, handler);
    }

    public function dispose():void
    {
        if (service.hasEventListener(ServiceEvent.STARTED, innerHandler))
        {
            service.removeEventListener(ServiceEvent.STARTED, innerHandler);
        }
    
        removeEventListener(Event.COMPLETE, handler); 
    }
}