fn write_and_incr<T: Immutable + IntoBytes + FromBytes>(
mem: &GuestMemory,
val: T,
curptr: GuestAddress,
) -> Result<GuestAddress>fn write_and_incr<T: Immutable + IntoBytes + FromBytes>(
mem: &GuestMemory,
val: T,
curptr: GuestAddress,
) -> Result<GuestAddress>