Method __length_hint__

crates/vm/src/builtins/enumerate.rs:111–119

(&self, vm: &VirtualMachine)

    #[pymethod]
    fn __length_hint__(&self, vm: &VirtualMachine) -> PyResult<usize> {
        let internal = self.internal.lock();
        if let IterStatus::Active(obj) = &internal.status
            && internal.position <= obj.length(vm)?
        {
            return Ok(internal.position + 1);
        }
        Ok(0)
    }

    #[pymethod]
    fn __setstate__(&self, state: PyObjectRef, vm: &VirtualMachine) -> PyResult<()> {