4 pub struct ReadOnly<T: Copy>(T);
6 impl<T: Copy> ReadOnly<T> {
8     pub fn new(value: T) -> Self {  in new()
16 pub struct WriteOnly<T: Copy>(T);
21 pub struct Volatile<T: Copy>(T);
23 impl<T: Copy> Volatile<T> {
25     pub fn new(value: T) -> Self {  in new()
31 pub trait VolatileReadable<T> {
33     unsafe fn vread(self) -> T;  in vread()  argument
36 impl<T: Copy> VolatileReadable<T> for *const ReadOnly<T> {
37     unsafe fn vread(self) -> T {  in vread()  argument
42 impl<T: Copy> VolatileReadable<T> for *const Volatile<T> {
43     unsafe fn vread(self) -> T {  in vread()  argument
49 pub trait VolatileWritable<T> {
51     unsafe fn vwrite(self, value: T);  in vwrite()  argument
54 impl<T: Copy> VolatileWritable<T> for *mut WriteOnly<T> {
55     unsafe fn vwrite(self, value: T) {  in vwrite()  argument
56         (self as *mut T).write_volatile(value)  in vwrite()
60 impl<T: Copy> VolatileWritable<T> for *mut Volatile<T> {
61     unsafe fn vwrite(self, value: T) {  in vwrite()  argument
62         (self as *mut T).write_volatile(value)  in vwrite()