From: MenTaLguY <mental@...>
Date: 2007-06-26T01:28:46+09:00
Subject: Re: dynamically define attr_accessors on objects?

On Tue, 26 Jun 2007 01:23:44 +0900, Aaron Smith <beingthexemplary@gmail.com> wrote:
> How can I dynamically define attr_accessors on an object?
> 
> EX:;:
> class Person
>   attr_accessor :firstname
> end
> p = Person.new
> p.firstname = 'aaron'

class << p
  attr_accessor :lastname
end
p.lastname = 'smith'

> puts p.inspect
> puts p.firstname
> puts p.lastname

You have to explicitly create the accessor methods; you don't get them
automatically when setting an instance variable.

-mental