examples/moped_scroll_feed.rb in mongoid-scroll-0.2.1 vs examples/moped_scroll_feed.rb in mongoid-scroll-0.3.0

@@ -2,42 +2,42 @@
 Bundler.setup(:default, :development)
 
 require 'mongoid-scroll'
 require 'faker'
 
-Mongoid.connect_to "mongoid_scroll_demo"
+Mongoid.connect_to 'mongoid_scroll_demo'
 Mongoid.purge!
 
 # total items to insert
 total_items = 20
 # a MongoDB query will be executed every scroll_by items
 scroll_by = 7
 
 # insert items with a position out-of-order
 rands = (0..total_items).to_a.sort { rand }[0..total_items]
-total_items.times do |i|
+total_items.times do
   Mongoid.default_session['feed_items'].insert(title: Faker::Lorem.sentence, position: rands.pop)
 end
 
 Mongoid.default_session['feed_items'].indexes.create(position: 1, _id: 1)
 
 Moped.logger = Logger.new($stdout)
 Moped.logger.level = Logger::DEBUG
 
 total_shown = 0
 next_cursor = nil
-while true
+loop do
   current_cursor = next_cursor
   next_cursor = nil
-  Mongoid.default_session['feed_items'].find.limit(scroll_by).sort(position: 1).scroll(current_cursor, { field_type: Integer, field_name: 'position' }) do |item, cursor|
+  Mongoid.default_session['feed_items'].find.limit(scroll_by).sort(position: 1).scroll(current_cursor,  field_type: Integer, field_name: 'position') do |item, cursor|
     puts "#{item['position']}: #{item['title']}"
     next_cursor = cursor
     total_shown += 1
   end
   break unless next_cursor
   # destroy an item just for the heck of it, scroll is not affected
   item = Mongoid.default_session['feed_items'].find.sort(position: 1).first
-  Mongoid.default_session['feed_items'].find(_id: item["_id"]).remove
+  Mongoid.default_session['feed_items'].find(_id: item['_id']).remove
 end
 
 # this will be 20
 puts "Shown #{total_shown} items."