gistfile1

Loading development environment (Rails 3.0.0.beta3)
ruby-1.8.7-p249 > class ::Heffalump
ruby-1.8.7-p249 ?>   include DataMapper::Mongo::Resource
ruby-1.8.7-p249 ?>   def self.default_repository_name; :logs; end
ruby-1.8.7-p249 ?>   property :id, ObjectID
ruby-1.8.7-p249 ?>   property :color, String
ruby-1.8.7-p249 ?>   property :num_spots, Integer
ruby-1.8.7-p249 ?>   property :striped, Boolean
ruby-1.8.7-p249 ?>   end
 => #<DataMapper::Property @model=Heffalump @name=:striped> 
ruby-1.8.7-p249 > h = Heffalump.create(:color => 'red')
 => #<Heffalump @id=nil @color="red" @num_spots=nil @striped=nil> 
ruby-1.8.7-p249 > h.num_spots = 3
 => 3 
ruby-1.8.7-p249 >