From 7a20672ce06997fd133161db529cfeccc9b8608e Mon Sep 17 00:00:00 2001
From: Nathaniel Wesley Filardo <nwf@cs.jhu.edu>
Date: Tue, 17 Jan 2017 01:41:42 -0500
Subject: [PATCH] nwfnet: callback tables weak keys

---
 net/nwfnet.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/nwfnet.lua b/net/nwfnet.lua
index f338815..348da5b 100644
--- a/net/nwfnet.lua
+++ b/net/nwfnet.lua
@@ -1,9 +1,9 @@
 -- Just callback registries
 local nwfnet   = {}
   -- possible events: wstaconn, wstagoip, wstadscn, wstadtmo; sntpsync, sntperr ; mqttconn, mqttdscn
-nwfnet.onnet   = {}
+nwfnet.onnet   = setmetatable({}, {__mode = "k"})
   -- specifically mqtt message events
-nwfnet.onmqtt  = {}
+nwfnet.onmqtt  = setmetatable({}, {__mode = "k"})
 function nwfnet:runnet(e,...) for _,v in pairs(nwfnet.onnet) do v(e,...) end end
 function nwfnet:runmqtt(...) for _,v in pairs(nwfnet.onmqtt) do v(...) end end
 return nwfnet
-- 
2.50.1