require 'contextr'
require 'pp'

module Address
  layer :info
  def display
  end

  attr_accessor :address
  
  info.post :display do
    puts "Address: #{address}"
  end

  def beep(*args)
    puts "beeped #{args.inspect}"
  end
  info.claim :beep
end

class Person
  attr_accessor :name

  layer :employment
  
  attr_accessor :employer
  employment.claim :employer, :"employer="

  def display
    puts "Person"
    puts "Name: #{name}"
  end

  employment.post :display do
    puts "Employer"
    puts "Name: #{employer}"
  end

  # include at the end not to drop redefinitions
  include Address
end

p Address.private_instance_methods.grep(/\d\d\d/)

p Person.private_instance_methods.grep(/\d\d\d/)
pp ContextR::CONTEXTUALIZED_METHODS


me = Person.new
me.name = "Christian Neukirchen"

me.display

# p me.employer

puts

Dynamic.let :layers => [:employment, :info] do
  me.employer = "Wieland Gymnasium"
  me.address = "Biberach"
  me.display
  me.beep :foo
end