Scala - Reporting validations

ReportingValidationsLately.scala

  def transmit[R: ClassTag](message: R, validations: (R => Seq[Option[Throwable]])*) = {
    val conditions: Seq[Option[Throwable]] =
      (Seq.empty[Option[Throwable]] /: (for { validation <- validations } yield { validation(message)} )) {
        case (acc, item) => acc ++ item }
    val lines =
      (0 /: conditions.flatten) {
        case (n, e) =>
          val line = n + 1
          log.error(s"VALIDATION #${line} :: " + e.getMessage + s"\n" + e.getStackTraceString)
          line }
    if(lines > 0) Assertions.fail(s"${lines} error(s) detected. See log messages above.")
  }