default_way.rb

# Controller
  def dull_party

    Human.class_eval do
      def login
        name
      end

      def hello_world
        'Hello world!'
      end

      def extended_name
        name + '!!!'
      end
    end

    Toy.class_eval do

      def railsize2
        railsize("We ","are happy ","to code ","with power of X ","and Y")
      end

    end

    Pet.class_eval do
      def pet_type_name
        pet_type.class_name
      end
    end

    @humans = Human.all[0..1]
    @humans_json = @humans.to_json(
      :methods => [
        :login,
        :enhanced_name,
        :hello_world],
      :include => {
        :pets => {
          :except => [
            :human_id,
            :pet_type_id],
          :methods => :pet_type_name,
          :include => {
            :toys => {
              :methods => [:railsize2]
            }
          }
        }}
      )

    respond_to do |format|
      format.json  { render :json => humans_json }
      format.html  { render :inline => "<%= debug(@humans_json) %>" }
    end


  end

tequilla_example.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