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shankarshastri/ExploreUnionTypes.scala

Last active October 24, 2020 04:58
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ExploreUnionTypes
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ExploreUnionTypes.scala
object ExploreUnionTypes {
final case class Some[T](t: T)
final case class None()
type Option[T] = Some[T] | None
def toOption[T](t: T): Option[T] = {
if (t == null) None() else Some(t)
}
@main
def m = {
println(toOption("J"))
println(toOption(null))
}
}
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