From 7d05900c4bbe9630cc1bb93f88ea57bf7ddedde2 Mon Sep 17 00:00:00 2001
From: Matthew Wild <mwild1@gmail.com>
Date: Sat, 20 Jun 2009 22:47:12 +0100
Subject: util.array: Add support for + operator to create a new array from two
 arrays joined

---
 util/array.lua | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'util')

diff --git a/util/array.lua b/util/array.lua
index 8b9102bf..05e035df 100644
--- a/util/array.lua
+++ b/util/array.lua
@@ -5,6 +5,11 @@ local function new_array(_, t)
 	return setmetatable(t or {}, array_mt);
 end
 
+function array_mt.__add(a1, a2)
+	local res = new_array();
+	return res:append(a1):append(a2);
+end
+
 setmetatable(array, { __call = new_array });
 
 function array:map(func, t2)
-- 
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