CLJS-330: fix (hash js/undefined)

HackerSchool12 · Jul 4, 2012 · 76a3335 · 76a3335
1 parent 56adcc5
commit 76a3335
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/cljs/cljs/core.cljs b/src/cljs/cljs/core.cljs
@@ -395,7 +395,8 @@
 
 (extend-type default
   IHash
-  (-hash [o] (goog.getUid o)))
+  (-hash [o]
+    (if (nil? o) 0 (goog.getUid o))))
 
 ;;this is primitive because & emits call to array-seq
 (defn inc