From: James Britt <james.britt@...>
Date: 2008-05-03T03:40:22+09:00
Subject: Re: many attributes, same behavior

Paul Winward wrote:

> I'm wondering if there's an interpreter-checked method of doing this.
> I'd like to something like:
> 
> attr_reader :state, :error {|var| # get value of var from file}, or
> attr_writer :state, :error {|var, value| # write "VAR value" in file }
> 
> I realize this isn't possible, but are there any elegant solutions to
> accomplish the same behavior?


Have you tried writing your own versions of attr_reader and attr_writer?

"attributes" are simply methods; the built-in attr_* methods dynamically 
create them for you class instances, and this is something you can do 
yourself by adding a class method to your class.




-- 
James Britt

http://www.rubyaz.org         - Hacking in the Desert
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