Bernd pisze:
> Hi all,
> first of all: this list and you rock! I know that there is no multiple
> inheritance, but you can use the concept of mixin.
> However, I want to inherit my class another and "mixin" methods from
> another class.
> To be more precise,
> I have a class that inherits another one (that comes from a library and
> I do not want to change) and I want the methods of ActiveRecord::Base in
> my class. Is there a way to do that (without copying and paste the whole
> ActiveRecord::Base class and changing it to a module)?
> 
> Thanks in advance!
> 
Yes, You can use evil ruby http://rubyforge.org/projects/evil
like this:
class Bar
      include Array.as_module
   end

   b = Bar.new
   b.push(1,2,3)
   p b # => [1,2,3]

but this is bad resolve of your problem.