diff options
Diffstat (limited to 'test/files/run/option-fold.scala')
-rw-r--r-- | test/files/run/option-fold.scala | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/files/run/option-fold.scala b/test/files/run/option-fold.scala new file mode 100644 index 0000000000..d554ba4f9b --- /dev/null +++ b/test/files/run/option-fold.scala @@ -0,0 +1,19 @@ +object Test { + sealed class A + case object B extends A + case class C(x: Int) extends A + + def f[T](x: Option[T]) = x.fold(List.empty[T])(List(_)) + def g(x: Option[A]) = x.fold(-1) { + case B => 0 + case C(x) => x + } + + def main(args: Array[String]): Unit = { + println(f(None)) + println(f(Some(5))) + println(g(None)) + println(g(Some(B))) + println(g(Some(C(1)))) + } +} |