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Giving closures a name
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);
}
}
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