From: Jano Svitok <jan.svitok@...>
Date: 2007-06-29T16:53:24+09:00
Subject: Re: include_class,how to define it?

On 6/29/07, gz zz <gpygood@126.com> wrote:
> Hey,I like ruby's mixin with "include" method,now I want to
> include_class,
> but,how to define it?
> thanks
> class Module
>   def include_class(klass)
>   end
> end
>
> class Foo
>   def foo
>   end
> end
>
>
> class Bar
>   include_class Foo
> end
>
>
> Bar.new.foo
>

That's called subclassing, deriving or inheritance.

Just do

class Bar < Foo
end

Bar.new.foo

Note that you can derive from one class only. All others have to be
(included) modules.

J.