assig.rb

def assignments=(assignments)
  assignments.each_with_index do |a, i|
    instance_name = "@assignment_#{i}_view"
    # set @assignment_view here if instance_variable_get returns nil
    unless instance_variable_get(instance_name)
      view = build_assignment_label([[50, 0], [325, 50]], 16, UIFontWeightThin, i)
      instance_variable_set(instance_name, view)
    end
    @assignment_view = instance_variable_get(instance_name)
    @assignment_view.text = a.summary
  end
end