From: Rob Rypka <rascal1182@...>
Date: 2005-10-07T12:18:10+09:00
Subject: Re: is there a way to add attributes to instances?

On 10/6/05, James Edward Gray II <james@grayproductions.net> wrote:
> On Oct 6, 2005, at 9:36 PM, ako... wrote:
> > is there a way to add properties to instances and access them later
> > just like if they were defined in the object's class?
>
> Here's two different ideas to get you going:
>
> irb(main):001:0> require "ostruct"
> => true
> irb(main):002:0> a = OpenStruct.new
> => <OpenStruct>
> irb(main):003:0> a.new_property = 123
> => 123
> irb(main):004:0> a.property
> => nil

I think OpenStruct is what you want to use.  If you feel you have to
implement it yourself, or it's not quite right, think about using
method_missing.  It is perhaps the most awsomely useful concepts in
Ruby.

--
Rob