fixtures/ashared/views_rails_6/posts/index.rabl
collection @posts => :articles
cache ['kittens!', @posts]
extends "posts/show"
node(:created_by_admin, :if => lambda { |p| p.user.is_admin }) do |p|
true
end
child({ :user => :admin }, { :if => lambda { |p| p.user.is_admin }}) do |p|
extends "users/show"
end