From: Devin Mullins <twifkak@...>
Date: 2005-07-28T13:47:30+09:00
Subject: Re: What's so special about operators, built-in classes and modules?

Devin Mullins wrote:

> require 'ruby2ruby' #see http://dark.fhtr.org/ruby2ruby.rb
> #or http://blog.zenspider.com/archives/2005/02/rubytoruby.html
>
> class Module
>  alias_method :orig_include, :include
>  def include(*mods)
>    classes, mods = mods.partition {|m| m.is_a? Class}
>    classes.each {|klass| klass.append_features(self)}
>    orig_include(mods)
>  end
> end
>
> class Class
>  def append_features(mod)
>    constants.each {|const| mod.const_set(const,const_get(const))}
>    class_variables.each do |var|
>      value = eval "@@#{var}"
>      mod.class_eval { @@temp = value }
>      mod.class_eval "@@#{var} = @@temp"
>    end
>    instance_methods.each do |meth|
>      mod.class_eval instance_method(meth).to_ruby
>    end
>  end
> end
>
Oops, make that:
...
   instance_methods.each do |meth|
     mod.class_eval instance_method(meth).to_ruby unless 
mod.method_defined?(meth)
   end
...

Devin