abbandoning Lua... Error in runtime

res/lua/bubble_sortiva.lua

@@ -0,0 +1,25 @@
+
+local bubble_sort = Future:new()
+
+function bubble_sort:poll(array)
+	local n = array:size()
+    self.state[n] = self.state[n] or n
+	if n == 0 then
+		return false
+	end
+	
+    local swapped = false
+    for i = 1, n - 1 do
+        if array.at(i-1) > array.at(i) then
+            array.swap(i-1, i)
+            swapped = true
+        end
+    end
+    self.state.n = self.state.n - 1
+
+    return not swapped
+end
+
+function make_available(sorter_list)
+	table.insert(sorter_list, "bubble_sort")
+end