# File lib/dm-core/property/date_time.rb, line 21
      def typecast_to_primitive(value)
        if value.respond_to?(:to_datetime)
          value.to_datetime
        elsif value.respond_to?(:to_mash)
          typecast_hash_to_datetime(value)
        else
          ::DateTime.parse(value.to_s)
        end
      rescue ArgumentError
        value
      end