From: Ilan Berci <coder68@...>
Date: 2007-11-16T02:02:13+09:00
Subject: Re: Module vs Class

jack.tang wrote:
> Hi Guys
> 
> I am new to ruby, and one question here: what object should I wrap as
> Module and what should I wrap as Class, any rules to fellow?
> 
> Thanks
> /Jack

Classes are extended from Modules with the added "functionality" that 
they can create instances of themselves(objects).  I hope this makes it 
more conceptually clear for you in terms of "wrap"ing..

If you want to associate a group of methods into a name space, then a 
module will suffice.  If on the other hand, you want to create 
functionality where the methods mostly act upon contained state(instance 
variables), then a class will suit your needs better.

ilan


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