1 files changed, 29 insertions, 0 deletions
diff --git a/src/jvm/clojure/lang/APersistentMap.java b/src/jvm/clojure/lang/APersistentMap.java
new file mode 100644
index 00000000..3eb9e5ef
--- /dev/null
+++ b/src/jvm/clojure/lang/APersistentMap.java
@@ -0,0 +1,29 @@
+/**
+ *   Copyright (c) Rich Hickey. All rights reserved.
+ *   The use and distribution terms for this software are covered by the
+ *   Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
+ *   which can be found in the file CPL.TXT at the root of this distribution.
+ *   By using this software in any fashion, you are agreeing to be bound by
+ * 	 the terms of this license.
+ *   You must not remove this notice, or any other, from this software.
+ **/
+
+package clojure.lang;
+
+public abstract class APersistentMap extends Obj implements IPersistentMap, Cloneable{
+
+public Obj withMeta(IPersistentMap meta) {
+    if(_meta == meta)
+        return this;
+    try{
+    Obj ret = (Obj) clone();
+    ret._meta = meta;
+    return ret;
+    }
+    catch(CloneNotSupportedException ignore)
+        {
+        return null;
+        }
+}
+
+}