anonyo

class RPNCalculator
  attr_accessor :calculator
  
  def initialize
    @calculator = []
  end
  
  def push(x)
    @calculator << x
  end

anonyo

class Gear
  attr_reader :chainring, :cog, :wheel 
  
  def initialize(chainring, cog, wheel)
    @chainring = chainring
    @cog       = cog
    @wheel     = wheel
  end
...

anonyo

class PlainModel

  include ActiveModel::Model
  include ActiveSupport::Callbacks
  include ActiveModel::Validations::Callbacks

 define_callbacks :save

 def save
   if valid?

anonyo

  $: << File.dirname(__FILE__)+'/../lib'
  require 'ice_cube'
  require 'benchmark'

  include IceCube


  schedule = Schedule.new(now = Time.utc(2010, 1, 1)) do |s|
    s.add_recurrence_rule(Rule.hourly(2))
  end