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-rw-r--r--test/files/run/option-fold.scala19
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))))
+ }
+}