You can model that yourself with an ADT in Kotlin something kotlinlang #announcements

You can model that yourself with an ADT in Kotlin,...

raulraja

01/06/2018, 2:24 PM

You can model that yourself with an ADT in Kotlin, something along the lines of...

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sealed class AbsentNullOrPresent<out A>
object Absent: AbsentNullOrPresent<Nothing>()
data class Present<A>(a: A): AbsentNullOrPresent<A>()