Method indices

crates/vm/src/builtins/slice.rs:237–245

(&self, length: ArgIndex, vm: &VirtualMachine)

    #[pymethod]
    fn indices(&self, length: ArgIndex, vm: &VirtualMachine) -> PyResult<PyTupleRef> {
        let length = length.into_int_ref();
        let length = length.as_bigint();
        if length.is_negative() {
            return Err(vm.new_value_error("length should not be negative."));
        }
        let (start, stop, step) = self.inner_indices(length, vm)?;
        Ok(vm.new_tuple((start, stop, step)))
    }

    #[allow(clippy::type_complexity)]
    #[pymethod]