1 files changed, 2 insertions, 0 deletions
diff --git a/py/obj.h b/py/obj.h
index 952187e464..4178295bea 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -154,6 +154,7 @@ typedef mp_obj_t (*mp_binary_op_fun_t)(int op, mp_obj_t, mp_obj_t);
 typedef void (*mp_load_attr_fun_t)(mp_obj_t self_in, qstr attr, mp_obj_t *dest); // for fail, do nothing; for attr, dest[0] = value; for method, dest[0] = method, dest[1] = self
 typedef bool (*mp_store_attr_fun_t)(mp_obj_t self_in, qstr attr, mp_obj_t value); // return true if store succeeded
 typedef bool (*mp_store_item_fun_t)(mp_obj_t self_in, mp_obj_t index, mp_obj_t value); // return true if store succeeded
+typedef void (*mp_del_fun_t)(mp_obj_t self_in);
 
 typedef struct _mp_method_t {
     qstr name;
@@ -236,6 +237,7 @@ struct _mp_obj_type_t {
 
     unpack seq      list tuple
     */
+    mp_del_fun_t del;
 };
 
 typedef struct _mp_obj_type_t mp_obj_type_t;