Method readonly

crates/vm/src/builtins/memory.rs:578–580

(&self, vm: &VirtualMachine)

    #[pygetset]
    fn readonly(&self, vm: &VirtualMachine) -> PyResult<bool> {
        self.try_not_released(vm).map(|_| self.desc.readonly)
    }

    #[pygetset]
    fn itemsize(&self, vm: &VirtualMachine) -> PyResult<usize> {