From: Robert Klemme <bob.news@...>
Date: 2004-11-04T00:58:46+09:00
Subject: Re: class variables from modules


"Gavin Kistner" <gavin@refinery.com> schrieb im Newsbeitrag
news:F6B331F6-2DAB-11D9-9DD4-000A959CF5AC@refinery.com...
> On Nov 3, 2004, at 7:14 AM, Florian Weber wrote:
> > how can i make that the example below returns 'Hello, my name is
test'?
>
> One way:
>
> module ClassMethods
> attr_accessor :bar
> end
>
> class Foo
> extend ClassMethods
> self.bar = "test"
>
> def hi
> puts "Hello, my bar is #{self.class.bar}"
> end
> end
>
> Foo.new.hi

Or

module Barable
  def self.included(cl)
    class << cl
      attr_accessor :bar
    end
  end

  def bar() self.class.bar end
  def bar=(b) self.class.bar(b) end
end

class Foo
   include Barable
   self.bar = "test"

   def hi
     puts "Hello, my bar is #{bar}"
   end
end


Kind regards

    robert