CLJ-2571 Add Throwable return tag to ex-cause

borkdude · stuarthalloway · commit 276fbfd94c89 · 2020-08-28T10:49:09.000-04:00
Signed-off-by: Stuart Halloway &lt;stu@cognitect.com&gt;
diff --git a/src/clj/clojure/core.clj b/src/clj/clojure/core.clj
@@ -4810,7 +4810,8 @@
 (defn ex-cause
   "Returns the cause of ex if ex is a Throwable.
   Otherwise returns nil."
-  {:added "1.10"}
+  {:tag Throwable
+   :added "1.10"}
   [ex]
   (when (instance? Throwable ex)
     (.getCause ^Throwable ex)))
