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sealed trait OpError
sealed trait RequestErrorType
sealed trait ProcessingErrorType
final case class InvalidEndpoint(reason: String) extends RequestErrorType
final case class InvalidParameters(reason: String) extends RequestErrorType
final case class InvalidFormat(response: String) extends ProcessingErrorType
final case class EntityNotFound(id: Long) extends ProcessingErrorType
final case class RequestError(errorType: RequestErrorType) extends OpError
final case class ProcessingError(errorType: ProcessingErrorType) extends OpError
object Test{
def printMatches(error: OpError): Unit = error match {
case RequestError(InvalidEndpoint(reason)) => //print something
case RequestError(InvalidParameters(reason)) => //print something
case ProcessingError(InvalidFormat(format)) => //print something
case ProcessingError(EntityNotFound(entityId)) => //print something
}
}
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