An example of circular calls in Celluloid

charlie_and_ashton.rb

require 'rubygems'
require 'celluloid'

class Charlie
  include Celluloid
  
  def initialize(friend)
    @nemesis = friend
  end
  
  def name; self.class.to_s; end
    
  def ask_whats_up
    puts "Charlie asks #{@nemesis.name} what's up"
    @nemesis.whats_up? current_actor
  end
  
  def whats_up?
    what_is_up = "not much"
    puts "Charlie's view of what's up is: #{what_is_up}"
    what_is_up
  end
end

class Ashton
  include Celluloid
  
  def name; self.class.to_s; end
  
  def whats_up?(caller)
    puts "#{name} gets confused by the question and asks #{caller.name} the same question first!"
    callers_response = caller.whats_up?
    
    puts "Now Ashton responds with the same answer. Cool story bro!"
    "Same here, #{callers_response} too!"
  end
end

ashton  = Ashton.new
charlie = Charlie.new ashton

response = charlie.ask_whats_up 
puts "Ashton responded: #{response}"