From: Tom Sawyer <transami@...>
Date: 2003-01-14T07:35:45+09:00
Subject: Re: Array_Of(AClass)

On Monday 13 January 2003 12:38 am, Gavin Sinclair wrote:
> Sorry, I give up.  I can't see how to do it elegantly.  I guess it's
> just a poor fit for Ruby.

yes, i have found it tricky too. you made a good start of it though. i'll play 
with it later and see what i can come up with.

> I think the approach of using a singleton class is good, because you
> can access the underlying Array method with "super".  My first though
> was delegation, or even a blank class with just #method_missing.
> However, in these cases, the resulting object wouldn't pass the "is_a?
> Array" test.
>
> I want to highlight this: from a singleton class, you can use "super"
> like in normal inheritance.  Keep this in mind if you are redefining
> methods anytime.  I find the pattern
>
> ...
>
> I just learned that through this exercise, so I'm glad some good came
> of it.

ah now that is interesting! i'll have to keep this in mind from hence forth. 
thanks!

-- 
tom sawyer, aka transami
transami@transami.net


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