From: Claus Spitzer <DocBoobenstein@...>
Date: 2004-06-05T12:48:48+09:00
Subject: Re: How to ducktype a Hash?

Well, what exactly do all your hash-like objects have in common that
is not present in any other object? :keys is a pretty good identifier
for a hash... since I know of no other data structure that has a key
(mind you, I said "_I_ know of", there could well be one that I don't
know). .

On Sat, 5 Jun 2004 11:15:37 +0900, Sean O'Dell <sean@celsoft.com> wrote:
> 

8< ----- snip -----

> 
> In both cases, does that mean that the object has hash-like functionality, or
> just that the object responds to those two methods?  Is there some definition
> somewhere that says "it's a hash if it has these methods?"  I actually have
> hash-like objects that DON'T respond to either of those two methods, but it
> would be easy enough to add fake ones.  I hate adding fake methods just to id
> a hash interface, it's a kludge.
> 
>         Sean O'Dell
> 
>