controller.rb

# Controller 
  def jazz_party
    @humans = Human.all[0..1]
    respond_to do |format|
      format.json  { }
    end
  end

#View (jazz_party.json.jazz)
-@humans => people
  :only
    .name => login
  :code => enhanced_name
    name + "!!!"
  :code => hello_world
    "Hello world!"
  +pets => animals
    :except
      .human_id
      .pet_type_id
    +toys
      :methods
        .railsize("We ","are happy ","to code ","with power of X ","and Y")    
    <pet_type
      :only
        .class_name => pet_type