Comparison

util.serialization: Optimize handling of last table separator Fewer next() calls and a step towards allowing use of a different iterator.

comparison

equal deleted inserted replaced

-:f5623a1b33e5
+:aebfd1601ae2
 		o[l], l = tstart, l + 1;
 		local indent = s_rep(indentwith, d);
 		local numkey = 1;
 		local ktyp, vtyp;
+		local had_items = false;
 		for k,v in next,t do
+			had_items = true;
 			o[l], l = itemstart, l + 1;
 			o[l], l = indent, l + 1;
 			ktyp, vtyp = type(k), type(v);
 			if k == numkey then
 				-- next index in array part
 			if vtyp == "table" then
 				l = serialize_table(v, o, l, d+1);
 			else
 				o[l], l = ser(v), l + 1;
 			end
-			-- last item?
+			o[l], l = itemsep, l + 1;
-			if next(t, k) ~= nil then
+		end
-				o[l], l = itemsep, l + 1;
+		if had_items then
-			else
+			o[l - 1] = itemlast;
-				o[l], l = itemlast, l + 1;
-			end
-		end
-		if next(t) ~= nil then
 			o[l], l = s_rep(indentwith, d-1), l + 1;
 		end
 		o[l], l = tend, l +1;
 		if multirefs then