From: Florian Gross <flgr@...>
Date: 2005-03-31T00:29:45+09:00
Subject: Re: Defining a Class Accessor

James Edward Gray II wrote:

> I was playing around with an idea in another thread and ran into a 
> surprise.  Can anyone explain the following to me?
> 
> irb(main):015:0> class Module
> irb(main):016:1> def cattr_accessor( *symbols )
> irb(main):017:2>     symbols.each do |sym|
> irb(main):018:3*         eval "def self.#{sym}(  ) @@#{sym} end
> irb(main):019:3"               def self.#{sym}=( value ) @@#{sym} = 
> value end"
> irb(main):020:3>     end
> irb(main):021:2> end
> irb(main):022:1> end

Do you really need to use @@variables? From my experience they tend to 
cause trouble.