From: Stefano Grioni <stefano.grioni@...>
Date: 2009-07-21T21:20:01+09:00
Subject: Re: Inheritance problem with dynamic methods

David A. Black wrote:
> Hi --
> 
> On Tue, 21 Jul 2009, Stefano Grioni wrote:
> 
>>         define_method(self.to_s.downcase){ instance_variable_get
>> Instead, what I'd like to have in a "mother" and "mother=" instance
>> methods for Mother, and "daughter" and "daughter=" for Daughter.
>>
>> I think that there is some meta programming trick that I'm missing but I
>> can't find which one.
> 
> One metaprogramming trick you could use is attr_accessor :-) Another
> is the "inherited" hook. Try this:
> 
> class Mother
>    def self.attr_eponymous(c=self)
>      c.send(:attr_accessor, c.to_s.downcase)
>    end
> 
>    def self.inherited(c)
>      attr_eponymous(c)
>    end
> 
>    attr_eponymous
> end
> 
> 
> David

Hi,

Your solution is brilliant :D
I must admit that I was so sure that the solution would come of some 
weird twist of a singleton method that I completely skipped the 
"inherited" hook ...

Thanks a lot!
-- 
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