Re: [PATCH 4/5] rust: vmstate: use const_refs_to_static

[Zhao Liu]

> @@ -998,7 +1000,7 @@ impl ObjectImpl for HPETState {
>              vmstate_of!(HPETState, counter),
>              vmstate_of!(HPETState, num_timers_save).with_version_id(2),
>              vmstate_validate!(HPETState, VALIDATE_TIMERS_NAME, 
> HPETState::validate_num_timers),
> -            vmstate_struct!(HPETState, timers[0 .. num_timers], 
> &VMSTATE_HPET_TIMER, BqlRefCell<HPETTimer>, 
> HPETState::validate_num_timers).with_version_id(0),
> +            vmstate_of!(HPETState, timers[0 .. num_timers], 
> HPETState::validate_num_timers).with_version_id(0),
>          })

The unified vmstate_of is indeed clean... it's more concise and easier
to use than the C version.