gistfile1.rb

irb(main):001:0> class Cool; def moo; 5; end; def do; moo; end end
=> nil
irb(main):002:0> module Zoop; def moo; 4; end end
=> nil
irb(main):003:0> class Za < Cool; alias_method :rawr, :moo; include Zoop; end
=> Za
irb(main):004:0> Za.new.moo
=> 4 # Ok
irb(main):005:0> Za.new.rawr
=> 5 # Ok
irb(main):006:0> Za.new.do
=> 4 # Ko!
irb(main):007:0>