From: Intransition <transfire@...>
Date: 2010-05-16T02:24:29+09:00
Subject: Re: Propogate variable up to included module



On May 15, 1:05 pm, Robert Dober <robert.do...@gmail.com> wrote:
> <snip>
> module M>    def self.m
> >      @x ||= 20
> >    end
> >  end
>
> I do not think this is necessary
>
> >  class X
> >    include M
> >    def self.m
> >      anc = ancestors.find{ |a| a.respond_to?(:m) }
> >      anc.m if anc
>
> replace this with instance_variable_get (potentially guarded by an
> instance_variable_defined?)

How would that work?

> I wonder however, what this is good for, I am not sure I understood
> what OP wanted

Basically class inheritable attributes.