Method cmp

crates/vm/src/builtins/singletons.rs:79–89

(
        zelf: &Py<Self>,
        other: &crate::PyObject,
        op: PyComparisonOp,
        _vm: &VirtualMachine,
    )

impl Comparable for PyNone {
    fn cmp(
        zelf: &Py<Self>,
        other: &crate::PyObject,
        op: PyComparisonOp,
        _vm: &VirtualMachine,
    ) -> PyResult<PyComparisonValue> {
        Ok(op
            .identical_optimization(zelf, other)
            .map(PyComparisonValue::Implemented)
            .unwrap_or(PyComparisonValue::NotImplemented))
    }
}

impl Hashable for PyNone {