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-rw-r--r--tests/pos/Patterns.scala28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/pos/Patterns.scala b/tests/pos/Patterns.scala
index aa369a77b..fd0d7e97a 100644
--- a/tests/pos/Patterns.scala
+++ b/tests/pos/Patterns.scala
@@ -108,3 +108,31 @@ object NestedPattern {
val xss: List[List[String]] = ???
val List(List(x)) = xss
}
+
+// Tricky case (exercised by Scala parser combinators) where we use
+// both get/isEmpty and product-based pattern matching in different
+// matches on the same types.
+object ProductAndGet {
+
+ trait Result[+T]
+ case class Success[+T](in: String, x: T) extends Result[T] {
+ def isEmpty = false
+ def get: T = x
+ }
+ case class Failure[+T](in: String, msg: String) extends Result[T] {
+ def isEmpty = false
+ def get: String = msg
+ }
+
+ val r: Result[Int] = ???
+
+ r match {
+ case Success(in, x) => x
+ case Failure(in, msg) => -1
+ }
+
+ r match {
+ case Success(x) => x
+ case Failure(msg) => -1
+ }
+}