From 5d57e27a2798723d285161cbe329c2e368a17637 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Enrique=20Garc=C3=ADa=20Cota?= <kikito@gmail.com>
Date: Wed, 4 May 2011 00:38:39 +0200
Subject: [PATCH] use metatables when needed

---
 cron.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cron.lua b/cron.lua
index 76034a7..78e7e3c 100644
--- a/cron.lua
+++ b/cron.lua
@@ -21,7 +21,7 @@ local function checkTimeAndCallback(time, callback)
   assert(isCallable(callback), "callback must be a function")
 end
 
-local entries = {}
+local entries = setmetatable({}, {__mode = "k"})
 
 local function newEntry(time, callback, update, ...)
   local entry = {