Method number_op

crates/vm/src/builtins/int.rs:723–733

(a: &PyObject, b: &PyObject, op: F, vm: &VirtualMachine)

    };

    fn number_op<F, R>(a: &PyObject, b: &PyObject, op: F, vm: &VirtualMachine) -> PyResult
    where
        F: FnOnce(&BigInt, &BigInt, &VirtualMachine) -> R,
        R: ToPyResult,
    {
        if let (Some(a), Some(b)) = (a.downcast_ref::<Self>(), b.downcast_ref::<Self>()) {
            op(&a.value, &b.value, vm).to_pyresult(vm)
        } else {
            Ok(vm.ctx.not_implemented())
        }
    }
}

#[derive(FromArgs)]