From: ara.t.howard@...
Date: 2006-11-12T12:20:47+09:00
Subject: Re: Can Ruby do this magic... elegantly

On Sun, 12 Nov 2006, J2M wrote:

> I would like to be able to be able to include instance methods of a
> Struct into a class. e.g.
>
> foo = Struct.new(:attribute, :another_attribute)
> bar = foo.new
>
> class Bas
>
>  some_ruby_magic
>
> end
>
> So that I can then do
>
> Bas.attribute="a value"
> Bas.attribute
>
> Kind of like doing module_functions but that doesn't work inside a
> class.
> Thanks,
> James


     harp:~ > cat a.rb
     class Module
       def struct_attrs struct
         singleton_class = class << self
           self
         end
         singleton_class.module_eval{ struct.members.each{|m| attr_accessor m} }
       end
     end

     class Bas
       foo = Struct.new :attribute, :another_attribute
       bar = foo.new

       struct_attrs foo
     end

     Bas.attribute = "a value"
     p Bas.attribute


     harp:~ > ruby a.rb
     "a value"



-a
-- 
my religion is very simple.  my religion is kindness. -- the dalai lama