From eb076dab7b7be68957922f47ad8d140e4ec579a1 Mon Sep 17 00:00:00 2001
From: Rich Hickey <richhickey@gmail.com>
Date: Sat, 4 Dec 2010 09:48:18 -0500
Subject: [PATCH] inline nil?

---
 src/clj/clojure/core.clj | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/clj/clojure/core.clj b/src/clj/clojure/core.clj
index 04f372e92e..9f42e1da2f 100644
--- a/src/clj/clojure/core.clj
+++ b/src/clj/clojure/core.clj
@@ -398,7 +398,8 @@
   "Returns true if x is nil, false otherwise."
   {:tag Boolean
    :added "1.0"
-   :static true}
+   :static true
+   :inline (fn [x] (list 'clojure.lang.Util/identical x nil))}
   [x] (clojure.lang.Util/identical x nil))
 
 (def