From 15ba5f41b17393bd610a547b3c62312986b9efc5 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Fri, 12 Oct 2018 00:51:52 +0200
Subject: util.array: Add freeze metamethod

---
 util/array.lua | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'util')

diff --git a/util/array.lua b/util/array.lua
index 1a8ffec7..4eb10f22 100644
--- a/util/array.lua
+++ b/util/array.lua
@@ -21,6 +21,8 @@ local array_base = {};
 local array_methods = {};
 local array_mt = { __index = array_methods, __name = "array", __tostring = function (self) return "{"..self:concat(", ").."}"; end };
 
+function array_mt:__freeze() return self; end
+
 local function new_array(self, t, _s, _var)
 	if type(t) == "function" then -- Assume iterator
 		t = self.collect(t, _s, _var);
-- 
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