Function range_iter_reduce

crates/vm/src/builtins/range.rs:714–729

(
    start: BigInt,
    length: BigInt,
    step: BigInt,
    index: usize,
    vm: &VirtualMachine,
)

}

fn range_iter_reduce(
    start: BigInt,
    length: BigInt,
    step: BigInt,
    index: usize,
    vm: &VirtualMachine,
) -> PyResult<PyTupleRef> {
    let iter = builtins_iter(vm);
    let stop = start.clone() + length * step.clone();
    let range = PyRange {
        start: PyInt::from(start).into_ref(&vm.ctx),
        stop: PyInt::from(stop).into_ref(&vm.ctx),
        step: PyInt::from(step).into_ref(&vm.ctx),
    };
    Ok(vm.new_tuple((iter, (range,), index)))
}

// Silently clips state (i.e index) in range [0, usize::MAX].
fn range_state(length: &BigInt, state: PyObjectRef, vm: &VirtualMachine) -> PyResult<usize> {