From: dblack@...
Date: 2006-10-17T19:41:12+09:00
Subject: Re: metaprogramming surprise?

Hi --

On Tue, 17 Oct 2006, Artur Merke wrote:

> so what's wrong with my understanding, that
>
> class D
>  @@e=5
>  class << self
>    attr_reader :e   # <- why this does not refer to @@e
>  end
> end

attr_reader :e is equivalent to:

   def e
     @e
   end

The class variable @@e is not involved at all.


David

-- 
                   David A. Black | dblack@wobblini.net
Author of "Ruby for Rails"   [1] | Ruby/Rails training & consultancy [3]
DABlog (DAB's Weblog)        [2] | Co-director, Ruby Central, Inc.   [4]
[1] http://www.manning.com/black | [3] http://www.rubypowerandlight.com
[2] http://dablog.rubypal.com    | [4] http://www.rubycentral.org