test-nsc/files/pos/partialfun.scala


1
2
3
4
5
6
7
8
9
10

object partialfun {

  def applyPartial[b](f: PartialFunction[Option[String], b])(x: Option[String]) =
    if (f.isDefinedAt(x)) f(x) else "<undefined>";

  applyPartial {
    case Some(xxx) => xxx
  } (None);

}