From: chen li <chen_li3@...>
Date: 2006-12-30T11:03:36+09:00
Subject: Re: With and without Song#to_s



--- Timothy Hunter <TimHunter@nc.rr.com> wrote:
> puts calls to_s on each object that it writes. If
> you don't supply a 
> to_s method for your class then the to_s method in
> your class's 
> superclass will be used. Since the superclass is
> Object, the Object#to_s 
> method is used. This version of to_s simply formats
> the object's class 
> and its id as a string.
> 
> 
> ri Object#to_s for more information.

What I don't understand is that I don't call Song#to_s
in my script why does it affect my codes?

Thanks,

Li 



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