Example class method to generate boiler plate methods for a complex attribute of an object. Primary use case is for use by a web form.

gistfile1.rb

      module ClassMethods
        def address_attribute(name)
          define_method(name) { instance_variable_get("@#{name}") }

          define_method("#{name}=") { |value| instance_variable_set("@#{name}", value) }

          define_method("_get_init_#{name}") { instance_variable_get("@#{name}") || instance_variable_set("@#{name}", BunchCore::Address.new) }

          [:street_one, :street_two, :town, :county, :country, :post_code].each do |m|
            define_method("#{name}_#{m}") { send(name) ? send(name).send(m) : nil }
            define_method("#{name}_#{m}=") { |value| send("_get_init_#{name}").send("#{m}=", value) }
          end
        end
      end