#![allow(dead_code)]
use std::fmt;
use std::mem;
use std::marker::PhantomData;
use std::ops::Deref;
pub struct Unique<T: ?Sized> {
pointer: *const T,
_marker: PhantomData<T>,
}
unsafe impl<T: Send + ?Sized> Send for Unique<T> { }
unsafe impl<T: Sync + ?Sized> Sync for Unique<T> { }
impl<T: ?Sized> Unique<T> {
pub unsafe fn new(ptr: *mut T) -> Unique<T> {
Unique { pointer: ptr, _marker: PhantomData }
}
pub unsafe fn get(&self) -> &T {
&*self.pointer
}
pub unsafe fn get_mut(&mut self) -> &mut T {
&mut ***self
}
}
impl<T:?Sized> Deref for Unique<T> {
type Target = *mut T;
#[inline]
fn deref<'a>(&'a self) -> &'a *mut T {
unsafe { mem::transmute(&self.pointer) }
}
}
impl<T> fmt::Pointer for Unique<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Pointer::fmt(&self.pointer, f)
}
}