From: Hal Fulton <hal9000@...>
Date: 2003-11-29T13:44:51+09:00
Subject: Re: Class-level readers and writers

David A. Black wrote:
> (Just as a footnote, you can also use "normal" accessor shortcuts at
> the class object level:
> 
>   class A
>     class << self
>       attr_accessor :x
>     end
>   end
> 
>   A.x = 1   # and so on
> 
> which is implemented with instance variables rather than class
> variables, if for any reason that suits your purposes better.)

For the record, this is a cool trick. The reason it isn't in
TRW is simply that I didn't think of it.

The effect is subtly different, but it's a good idiom.

Thanks, David...


Hal