1 files changed, 17 insertions, 0 deletions
diff --git a/src/library/scalax/collection/generic/EmptyIterableFactory.scala b/src/library/scalax/collection/generic/EmptyIterableFactory.scala
new file mode 100755
index 0000000000..7f110d13d2
--- /dev/null
+++ b/src/library/scalax/collection/generic/EmptyIterableFactory.scala
@@ -0,0 +1,17 @@
+package scalax.collection.generic
+
+import annotation.unchecked.uncheckedVariance
+
+trait EmptyIterableFactory[CC[+A] <: Iterable[A] with IterableTemplate[CC, A @uncheckedVariance]] extends IterableFactory[CC] {
+
+  /** The empty collection of type CC */
+  val empty: CC[Nothing]
+
+  /** An override of newBuilder, to work off the empty object */
+  override protected def newBuilder[A]: Builder[CC, A] =
+    empty.newBuilder[A]
+
+  /** Create CC collection of specified elements */
+  override def apply[A](args: A*): CC[A] =
+    empty ++ args.asInstanceOf[Iterable[A]]
+}