1 files changed, 11 insertions, 0 deletions
diff --git a/src/library/scalax/collection/generic/SequenceFactory.scala b/src/library/scalax/collection/generic/SequenceFactory.scala
new file mode 100755
index 0000000000..ee97c80c75
--- /dev/null
+++ b/src/library/scalax/collection/generic/SequenceFactory.scala
@@ -0,0 +1,11 @@
+package scalax.collection.generic
+
+trait SequenceFactory[CC[A] <: Sequence[A]] extends IterableFactory[CC] {
+
+  /** This method is called in a pattern match { case Sequence(...) => }.
+   *
+   *  @param x the selector value
+   *  @return  sequence wrapped in an option, if this is a Sequence, otherwise none
+   */
+  def unapplySequence[A](x: CC[A]): Some[CC[A]] = Some(x)
+}