void List<T>::shift(ContextType ctx, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 0);
auto list = get_internal<T, ListClass<T>>(this_object);
if (list->size() == 0) {
list->verify_in_transaction();
return_value.set_undefined();
}
else {
auto realm_object = realm::Object(list->get_realm(), list->get_object_schema(), list->get(0));
return_value.set(RealmObject<T>::create_instance(ctx, realm_object));
list->remove(0);
}
}
void ListClass<T>::pop(ContextType ctx, FunctionType, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 0);
auto list = get_internal<T, ListClass<T>>(this_object);
size_t size = list->size();
if (size == 0) {
list->verify_in_transaction();
return_value.set_undefined();
}
else {
size_t index = size - 1;
auto realm_object = realm::Object(list->get_realm(), list->get_object_schema(), list->get(index));
return_value.set(RealmObjectClass<T>::create_instance(ctx, std::move(realm_object)));
list->remove(index);
}
}