# File lib/validates_timeliness/active_record/multiparameter_attributes.rb, line 42
      def execute_callstack_for_multiparameter_attributes_with_timeliness(callstack)
        errors = []
        callstack.each do |name, values|
          column = column_for_attribute(name)
          if column && [:date, :time, :datetime].include?(column.type)
            begin
              callstack.delete(name)
              if values.empty? || values.all?(&:nil?)
                send("#{name}=", nil)
              else
                value = ValidatesTimeliness::ActiveRecord.time_array_to_string(values, column.type)
                send("#{name}=", value)
              end
            rescue => ex
              errors << ::ActiveRecord::AttributeAssignmentError.new("error on assignment #{values.inspect} to #{name}", ex, name)
            end
          end
        end
        unless errors.empty?
          raise ::ActiveRecord::MultiparameterAssignmentErrors.new(errors), "#{errors.size} error(s) on assignment of multiparameter attributes"
        end
        execute_callstack_for_multiparameter_attributes_without_timeliness(callstack)
      end