From: Michael Witrant <mike@...>
Date: 2001-09-26T23:41:21+09:00
Subject: [ruby-talk:21723] Re: Array and Hash mix-ins

On Wed, 26 Sep 2001 22:26:03 +0900, "Avdi B. Grimm" <avdi@avdi.org>
wrote:

> The Perl standard library contains some modules called Tie::Hash and
> Tie::Array which ease the creation of hash-like and array-like
objects.
> Much like the Enumerable class in Ruby, these modules provide a great
> deal of methods "for free", as long as the derived class implements a
> few key methods on which all the others rely.  I'd find the equivalent
> Ruby modules to be quite useful, if they existed.  Before I write
them,
> I wanted to know if anyone has already written them, or if the Array
and
> Hash classes themselves can be used for this purpose. In other words,
> are most of the the Array and Hash methods implemented in terms of a
> couple of basic methods which could be overridden?
> 

Matju's MetaRuby might fit your needs:

http://www.ruby-lang.org/en/raa-list.rhtml?name=MetaRuby


Mike.