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purefn/gist:3772261

Created September 23, 2012 16:42
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gistfile1.scala
trait Option[+A] {
@inline final def cata[Z](some: A => Z, none: => Z) = this match {
case Some(a) => some(a)
case None => none
}
}
object Option {
private[Option] case class Some[+A](a: A) extends Option[A]
private[Option] case object None extends Option[Nothing]
def some[A](a: A): Option[A] = Some(a)
def none: Option[Nothing] = None
}
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https://issues.scala-lang.org/browse/SI-4767

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