From 55dab6d675188c6228f14f222eb638c8a50636bf Mon Sep 17 00:00:00 2001
From: Mikayla Fischler <mikayla@ky8.io>
Date: Tue, 6 Jun 2023 19:41:55 -0400
Subject: [PATCH] don't print brackets in util.strval if metatable __tostring
 is present

---
 scada-common/util.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scada-common/util.lua b/scada-common/util.lua
index e13d6bb..99f62a6 100644
--- a/scada-common/util.lua
+++ b/scada-common/util.lua
@@ -65,7 +65,8 @@ end
 ---@return string
 function util.strval(val)
     local t = type(val)
-    if t == "table" or t == "function" then
+    -- this depends on Lua short-circuiting the or check for metatables (note: metatables won't have metatables)
+    if (t == "table" and (getmetatable(val) == nil or getmetatable(val).__tostring == nil)) or t == "function" then
         return "[" .. tostring(val) .. "]"
     else
         return tostring(val)