don't print brackets in util.strval if metatable __tostring is present

2023-06-06 19:41:55 -04:00 · 2023-06-06 19:41:55 -04:00 · 55dab6d675
commit 55dab6d675
parent 0f5ae9a756
1 changed files with 2 additions and 1 deletions
--- 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)