module NetSuite module FieldSupport include AttributeSupport def self.included(base) base.send(:extend, ClassMethods) end module ClassMethods def fields(*args) if args.empty? @fields ||= Set.new else args.each do |arg| field arg end end end def field(name) name_sym = name.to_sym fields << name_sym define_method(name_sym) do attributes[name_sym] end define_method("#{name_sym}=") do |value| attributes[name_sym] = value end end end end end