From: Mathieu Bouchard <matju@...>
Date: 2001-08-12T04:59:02+09:00
Subject: [ruby-talk:19544] Re: the way class variables work


On Sat, 11 Aug 2001, David Alan Black wrote:
> 
> But I'm still baffled, maybe more than ever, by the "why", that is,
> why class variables exist at all in Ruby.  No one seems to have
> anything good to say about them.  They seem to operate as a kind of
> not-quite-global global.  They introduce weird, backwards
> dependencies.  They come to your house at night, ring the doorbell,
> and run away.  They....  [Cut to shot of David cowering in corner]
> 

It's way easier to explain why "class variables" exist than to explain why
in SmallTalk (a language designed so that kids can use it), class creation
method is called
Class>>subclass:instanceVariableNames:classVariableNames:poolDictionaries:category:.

Consider yourself lucky.

matju