From: Robert Dober <robert.dober@...>
Date: 2007-07-25T17:37:44+09:00
Subject: Re: Help: Get list of modules which are included in the class

On 7/25/07, Pe�a, Botp <botp@delmonte-phil.com> wrote:
> On Behalf Of Chirag Mistry:
> # only want a list which contains modules M1 and M2 for MyClass. If we
> # call "MyClass.ancestors" which returns all the modules which
> # are include directly or indirectly in this class and all parent class
>
> how about subtracting fr there =)
>
> something like,
>
> irb(main):026:0> C2.ancestors - (Class.new.ancestors + [C2])
> => [M2, M1]
>
> sorry if my answer sound stupid.
>
> kind regards -botp
>
not stupid at all, you just overlooked a little detail, parent classes.

module M1; end
module M2; end
class C1; include M1 end
class C2 < C1; include M2 end

p C2.ancestors - (Class.new.ancestors + [C2])

Robert
-- 
I always knew that one day Smalltalk would replace Java.
I just didn't know it would be called Ruby
-- Kent Beck