1 files changed, 20 insertions, 0 deletions
diff --git a/src/library/scala/reflect/base/Constants.scala b/src/library/scala/reflect/base/Constants.scala
new file mode 100644
index 0000000000..8f98e85ad0
--- /dev/null
+++ b/src/library/scala/reflect/base/Constants.scala
@@ -0,0 +1,20 @@
+/* NSC -- new Scala compiler
+ * Copyright 2005-2011 LAMP/EPFL
+ * @author  Martin Odersky
+ */
+
+package scala.reflect
+package base
+
+trait Constants {
+  self: Universe =>
+
+  type Constant >: Null <: AnyRef
+  implicit val ConstantTag: ClassTag[Constant]
+  val Constant: ConstantExtractor
+
+  abstract class ConstantExtractor {
+    def apply(value: Any): Constant
+    def unapply(arg: Constant): Option[Any]
+  }
+}