adding sequel method that uses variables of multiple scopes

cookbook/015/02/passingdata/app/controllers/novel_controller.rb

@@ -1,4 +1,8 @@
+$one = 1
+
 class NovelController < ApplicationController
+  $two = 2
+
   def index
     @title = 'Shattered View: a Novel on Rails'
     one_plus_one = 1 + 1
@@ -14,4 +18,8 @@ class NovelController < ApplicationController
     @counter += by
   end
 
+  def sequel
+    $three = 3
+  end
+
 end

cookbook/015/02/passingdata/app/views/novel/sequel.html.erb

@@ -0,0 +1,2 @@
+<p>Here they come, the counting numbers,
+<%= $one %>, <%= $two %>, <%= $three %>.</p>

cookbook/015/02/passingdata/config/routes.rb

@@ -1,4 +1,6 @@
 Passingdata::Application.routes.draw do
+  get "novel/sequel"
+
   get "novel/index"
 
   # The priority is based upon order of creation: