prototype_send_derive.rb

def send(receiver, message, *params, &block)
  method_owner = receiver
  while(method_owner[:slots][:lookup].nil?)
    puts "ERR: lookup failed for ':lookup' on object:\n#{receiver.inspect}" and break if(method_owner[:parent].nil?)
    method_owner = method_owner[:parent]
  end
  method = method_owner[:slots][:lookup].call(receiver, message)
  exit if(method.nil?)
  method.call(receiver, params << block)
end

def derive_from(object)
  child = {}
  child[:parent] = object
  child[:size] = 0
  child[:slots] = {}
  return child
end