simplify the __gc check

lunarmodules · Jun 20, 2024 · 2d636f5 · 2d636f5
1 parent 906044c
commit 2d636f5
Showing 1 changed file with 2 additions and 11 deletions.
diff --git a/system/init.lua b/system/init.lua
@@ -78,17 +78,8 @@ do -- autotermrestore
 
 
   local add_gc_method do
-    -- feature detection; __GC meta-method, not available in all Lua versions
-    local has_gc = false
-    local tt = setmetatable({}, {  -- luacheck: ignore
-      __gc = function() has_gc = true end
-    })
-
-    -- clear table and run GC to trigger
-    tt = nil
-    collectgarbage()
-    collectgarbage()
-
+    -- __gc meta-method is not available in all Lua versions
+    local has_gc = not newproxy or false -- `__gc` was added when `newproxy` was removed
 
     if has_gc then
       -- use default GC mechanism since it is available