Method next

crates/vm/src/builtins/list.rs:728–733

(zelf: &Py<Self>, _vm: &VirtualMachine)

impl SelfIter for PyListIterator {}
impl IterNext for PyListIterator {
    fn next(zelf: &Py<Self>, _vm: &VirtualMachine) -> PyResult<PyIterReturn> {
        zelf.internal.lock().next(|list, pos| {
            let vec = list.borrow_vec();
            Ok(PyIterReturn::from_result(vec.get(pos).cloned().ok_or(None)))
        })
    }
}

#[pyclass(module = false, name = "list_reverseiterator", traverse)]