Get at properties of values that might not be present with out checking for nil.

get.rb

# Usage:
#   nil.get :blake # => nil
#   some_obj.get :name, :length # => The value of some_obj.name.length or nil 
class Object
  def get(*properties)
    object = self
    properties.each do |property|
      if object.respond_to?(property)
        object = object.send(property)
      else
        return nil
      end
    end
    object
  end
end