From: itsme213 <itsme213@...>
Date: 2005-04-06T05:04:40+09:00
Subject: Re: [ANN] Nitro + Og 0.15.0, Localization, Parametrized mixins, Morphing, SQLServer


"George Moschovitis" <george.moschovitis@gmail.com> wrote

> > What does this do to the tables? Can Comment include 'Orderable'
multiple
> > times with different :scopes? How about ordering on either end of N-M
> > relations?
>
> this adds columns to the tables. A parametrized mixin can be included
> multiple times with different parameters.

Does it allow duck-typing?

class Posting

   # response can be Approval or Disapproval
   # no inheritance relation require

   has_many :responses, [Approval, Disapproval]

   include Orderable, :scope => responses

end

I've put this mixin on the container end in this case.