1 files changed, 14 insertions, 0 deletions
diff --git a/src/library/scala/runtime/ScalaRunTime.scala b/src/library/scala/runtime/ScalaRunTime.scala
index 4d5f783d61..c8cc624468 100644
--- a/src/library/scala/runtime/ScalaRunTime.scala
+++ b/src/library/scala/runtime/ScalaRunTime.scala
@@ -199,6 +199,20 @@ object ScalaRunTime {
     }
   }
 
+  /** A helper for case classes. */
+  def typedProductIterator[T](x: Product): Iterator[T] = {
+    new Iterator[T] {
+      private var c: Int = 0
+      private val cmax = x.productArity
+      def hasNext = c < cmax
+      def next() = {
+        val result = x.productElement(c)
+        c += 1
+        result.asInstanceOf[T]
+      }
+    }
+  }
+
   /** Fast path equality method for inlining; used when -optimise is set.
    */
   @inline def inlinedEquals(x: Object, y: Object): Boolean =