From: "David A. Black" <dblack@...>
Date: 2008-12-05T06:17:34+09:00
Subject: Re: Get the modules included into a class object

Hi --

On Fri, 5 Dec 2008, Oliver Saunders wrote:

> If I say:
>
> module Foo
>   def zim; end
> end
> class Bar
>  class << self
>    include Foo
>  end
> end
>
> # Bar.zim is now available
>
> How can I find out which modules are included into Bar at class-level.
>
> Some attempts:
>
> Bar.included_modules
> Bar.class.included_modules
> Bar.class.new.included_modules
> Bar.ancestors
> Bar.class.ancestors
> Bar.class.new.ancestors
>
> None of them return anything with Foo in it.

Query the class into which you included the module:

   class << Bar
     ancestors
   end


David

-- 
Rails training from David A. Black and Ruby Power and Light:
INTRO TO RAILS (Jan 12-15), Fort Lauderdale, FL
See http://www.rubypal.com for details
Coming in 2009: The Well-Grounded Rubyist (http://manning.com/black2)