Method protocol_length

crates/vm/src/builtins/range.rs:422–426

(&self, vm: &VirtualMachine)

impl PyRange {
    fn protocol_length(&self, vm: &VirtualMachine) -> PyResult<usize> {
        PyInt::from(self.__len__())
            .try_to_primitive::<isize>(vm)
            .map(|x| x as usize)
    }
}

impl AsMapping for PyRange {