From: Jim Weirich <jim@...>
Date: 2006-05-24T05:31:04+09:00
Subject: Re: Anobject question

narizona wrote:
> 
> In prag ruby the purchased copy, the following code fragment is shown. 
> Look at where I added the >>>>.  That line VU.new(@volume.succ).  What I 
> think it should do is create a new object instance of the class.  What 
> it does though is it increments the attribute @volume on an existing 
> object that uses the succ method.
> 
> I have verified that it does not create a new object by using 
> myObject.object_id.  

Try running the code like this ...

   v = VU.new(0)
   v2 = v.succ

   p v.volume, v.object_id
   p v2.volume, v2.object_id

Does that do what you expect?

-- Jim Weirich


-- 
Posted via http://www.ruby-forum.com/.