From: "Peña, Botp" <botp@...>
Date: 2007-07-25T18:05:08+09:00
Subject: Re: Help: Get list of modules which are included in the class

From: Pe�a, Botp [mailto:botp@delmonte-phil.com] 
# From: Robert Dober [mailto:robert.dober@gmail.com] 
# # p C2.ancestors - (Class.new.ancestors + [C2])
# 
# yap, your scheme is more straightforward
# 
# (C.ancestors-[Kernel]).select{|x| x.class == Module}

i forgot one,

irb(main):044:0> C.included_modules
=> [M2, M1, Kernel]
irb(main):046:0> C3.included_modules - [Kernel]
=> [M2, M1]