From: Robert Dober <robert.dober@...>
Date: 2010-05-16T05:41:44+09:00
Subject: Re: Propogate variable up to included module

On Sat, May 15, 2010 at 7:24 PM, Intransition <transfire@gmail.com> wrote:
>
>
> 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.
>
>
That's exactly what I gave you, good then :)
Cheers
R.


-- 
The best way to predict the future is to invent it.
-- Alan Kay