From: Tobias Reif <tobiasreif@...>
Date: 2001-09-21T04:02:32+09:00
Subject: [ruby-talk:21453] Re: chain methods inside and outside the class;	 how to intermingle mine and Strings' methods?

Frykholm, Niklas wrote:


> This is a bit weird. You should decide whether you want an object
> that _contains_ a string (in an instance variable @s, for example)
> or whether you want an object that _is a kind of_ string (a
> subclass of a String). Currently you do both.
> 
> What you want depends on what you are trying to model. If you want
> to create something which basically is a string, but has some extra
> convenience methods, you probably want a subclass of String. If you
> want to create something which is not really a string, but has a
> string (for example a bank account that has a string for account holder)
> you would make a class that does not inherit from String and make the
> account holder name an instance variable.
> 

[...]


>>question 2: how to make it possible to write:
>>intermingled = h.upcase.repeat.chop # perhaps to_s


Thanks a lot for your help :)

One more question:

How would I achieve it, when I choose to make the string an instance 
variable, to chain methods together? Perhaps this doesn't make sense 
anyways (?)

Tobi

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