xbt_dict_cursor_t cursor = nullptr;
xbt_dict_foreach (type->values, cursor, value_name, val) {
XBT_DEBUG("free value %s, child of %s", val->name, val->father->name);
xbt_dict_cursor_t cursor = nullptr;
xbt_dict_foreach (type->values, cursor, value_name, val) {
XBT_DEBUG("free value %s, child of %s", val->name, val->father->name);