Answers for "sum type scala"

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sum type scala

sum type is generally (2.x) encoded as a:

sealed trait ProductType
object ProductType {
     case object Element1 extends ProductType
     case class Element2(field1: Type1) extends ProductType
     ...
     case class ElementN(field1: Type1) extends ProductType
}

- "sealed" -> protect against wild extension
- case in object for code organisation

Posted by: Guest on May-28-2021

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