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changeset

util.array: Add support for + operator to create a new array from two arrays joined

Sat, 20 Jun 2009 22:47:12 +0100

author

Matthew Wild <mwild1@gmail.com>

date

Sat, 20 Jun 2009 22:47:12 +0100

changeset 1373

120275376bbb

parent 1372

3b13bb57002e

child 1377

ae88b9dc7890

util.array: Add support for + operator to create a new array from two arrays joined

--- a/util/array.lua	Sat Jun 20 22:45:07 2009 +0100
+++ b/util/array.lua	Sat Jun 20 22:47:12 2009 +0100
@@ -5,6 +5,11 @@
 	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)