From afc48ce39cce1054b20a319de965c583d7aa2c07 Mon Sep 17 00:00:00 2001
From: idb
Date: Tue, 20 Jan 2009 00:10:39 +0000
Subject: Added overrides for == and != for list. Fixes Mantis #3002

---
 OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs b/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
index 2f672e8..7081e5c 100644
--- a/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
@@ -538,6 +538,30 @@ namespace OpenSim.Region.ScriptEngine.Shared
                 return a;
             }
 
+            public static bool operator ==(list a, list b)
+            {
+                int la = -1;
+                int lb = -1;
+                try { la = a.Length; }
+                catch (NullReferenceException) { }
+                try { lb = b.Length; }
+                catch (NullReferenceException) { }
+
+                return la == lb;
+            }
+
+            public static bool operator !=(list a, list b)
+            {
+                int la = -1;
+                int lb = -1;
+                try { la = a.Length; }
+                catch (NullReferenceException) { }
+                try {lb = b.Length;}
+                catch (NullReferenceException) { }
+
+                return la != lb;
+            }
+
             public void Add(object o)
             {
                 object[] tmp;
-- 
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