From 41f4738115e75bf7dba3dcf4133f646c6ced5c23 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20N=C3=BCcke?= <florian@nuecke.de>
Date: Tue, 4 Mar 2014 15:09:55 +0100
Subject: [PATCH] added note that it's ok to return null from callbacks to
 callback annotation jdoc

---
 src/main/java/li/cil/oc/api/network/Callback.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/li/cil/oc/api/network/Callback.java b/src/main/java/li/cil/oc/api/network/Callback.java
index cb9161ffd..5880f980f 100644
--- a/src/main/java/li/cil/oc/api/network/Callback.java
+++ b/src/main/java/li/cil/oc/api/network/Callback.java
@@ -17,6 +17,9 @@ import java.lang.annotation.Target;
  * <pre>
  *     Object[] f(Context context, Arguments arguments);
  * </pre>
+ * <p/>
+ * The method may return <tt>null</tt> in case it doesn't wish return anything,
+ * which is functionally equivalent to returning an empty array.
  *
  * @see Context
  * @see Arguments