avoid warning on empty reader table (#99)

arnetheduck · web-flow · commit 967d92db0ab5 · 2025-08-11T12:40:47.000+02:00
diff --git a/serialization/object_serialization.nim b/serialization/object_serialization.nim
@@ -218,7 +218,7 @@ proc makeFieldReadersTable(RecordType, ReaderType: distinct type,
                            numFields: static[int]):
                            array[numFields, FieldReader[RecordType, ReaderType]] =
   mixin enumAllSerializedFields, readFieldIMPL, handleReadException
-  var idx = 0
+  var idx {.used.} = 0 # used in case there are no fields..
 
   enumAllSerializedFields(RecordType):
     if fieldCaseDiscriminator != "":
