pub trait AsNumber: PyPayload {
// Required method
fn as_number() -> &'static PyNumberMethods;
// Provided methods
fn clone_exact(_zelf: &Py<Self>, _vm: &VirtualMachine) -> PyRef<Self> { ... }
fn number_downcast(num: PyNumber<'_>) -> &Py<Self> { ... }
fn number_downcast_exact(
num: PyNumber<'_>,
vm: &VirtualMachine
) -> PyRef<Self> { ... }
fn __extend_method_def(method_defs: &mut Vec<PyMethodDef>) { ... }
fn __extend_py_class(ctx: &Context, class: &'static Py<PyType>) { ... }
fn __extend_slots(slots: &mut PyTypeSlots) { ... }
}