find

# File activerecord/lib/active_record/associations/collection_association.rb, line 77
      def find(*args)
        if block_given?
          load_target.find(*args) { |*block_args| yield(*block_args) }
        else
          if options[:inverse_of] && loaded?
            args_flatten = args.flatten
            raise RecordNotFound, "Couldn't find #{scope.klass.name} without an ID" if args_flatten.blank?
            result = find_by_scan(*args)

            result_size = Array(result).size
            if !result || result_size != args_flatten.size
              scope.raise_record_not_found_exception!(args_flatten, result_size, args_flatten.size)
            else
              result
            end
          else
            scope.find(*args)
          end
        end
      end