From: ara.t.howard@...
Date: 2006-02-16T00:38:09+09:00
Subject: Re: which class defined

On Wed, 15 Feb 2006, raving_ruby_rider wrote:

> Is there a way to know about what
> classes were defined by loading a script?

see dynaload

   http://rubyforge.org/frs/?group_id=1024&release_id=3786
   http://codeforpeople.com/lib/ruby/dynaload/dynaload-0.0.0/README

is use it for the very same.

> If not, can the Ruby system be asked for a collection of subclasses for a
> particular Class?

     harp:~ > cat a.rb
     class C
       class << self
         def children() @children ||= [] end
         def inherited(other) children << other and super end
         def descendants() children.inject([]){|d,c| d.push(c, *c.descendants)} end
       end
     end

     load "b.rb"

     p C::children
     p C::descendants
     p B::children
     p B::descendants


     harp:~ > cat b.rb
     class B < C; end
     class D < B; end


     harp:~ > ruby a.rb
     [B]
     [B, D]
     [D]
     [D]


regards.

-a

-- 
judge your success by what you had to give up in order to get it.
- h.h. the 14th dali lama