1 files changed, 16 insertions, 0 deletions
diff --git a/src/library/scala/collection/generic/SetFactory.scala b/src/library/scala/collection/generic/SetFactory.scala
new file mode 100755
index 0000000000..a2caa99432
--- /dev/null
+++ b/src/library/scala/collection/generic/SetFactory.scala
@@ -0,0 +1,16 @@
+package scala.collection.generic
+
+/** A template for companion objects of Map and subclasses thereof.
+ */
+abstract class SetFactory[CC[A] <: Set[A] with SetTemplate[A, CC[A]]] {
+
+  def newBuilder[A]: Builder[A, CC[A], Any] = new AddingBuilder[A, CC[A]](empty[A])
+
+  def empty[A]: CC[A]
+
+  def apply[A](elems: A*): CC[A] = {
+    var s = empty[A]
+    for (elem <- elems) s = s + elem
+    s
+  }
+}