From: Micah Martin <micah@8thlight.com>
Date: 2007-07-06T07:57:46+09:00
Subject: Re: Calling an arbitrary method as and when an array's contents change

Great.  Houlihans is quiet enough for us to talk. 5:00pm work for you?

Sent from my iPhone

On Jul 5, 2007, at 5:26 PM, MenTaLguY <mental@rydia.net> wrote:

> On Fri, 6 Jul 2007 07:13:31 +0900, "Dan Stevens (IAmAI)" <dan.stevens.iamai@gmail.com 
> > wrote:
>> I have a collection class that extends the Array class and I wish to
>> have a particular method to be called whenever the contents of an
>> instance of the class change. Can anyone advise on how I can achieve
>> this?
>
> For this purpose, it's probably better to wrap/delegate to Array  
> than extend it.
>
> That way, you can have control of all the methods that change  
> something, and
> guarantee that they will perform the appropriate notification.  I'd  
> also
> recommend looking at Observer for the notification of the equation.
>
> -mental
>
>