http://github.com/fronx/reincarnation

problem_with_reincarnation.rb

require 'rubygems'
require 'reincarnation'
 
module A
  def foo
    "foo"
  end
end
 
module B
  include A
end
 
A.reincarnate
 
module A
  def foo
    super.gsub('f', 'b')
  end
end
 
include B
 
puts foo
# => 'foo' # :((
 
module B
  include A
end
 
include B
 
puts foo
# => 'boo'