deranged/
unsafe_wrapper.rs

1//! Declaration and implementation of `Unsafe`, which ensures all unsafe operations are correctly
2//! placed in unsafe blocks.
3
4/// A value that is safe to use, but is unsafe to construct or mutate.
5#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
6pub(crate) struct Unsafe<T>(T);
7
8impl<T: core::fmt::Debug> core::fmt::Debug for Unsafe<T> {
9    #[inline]
10    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
11        self.0.fmt(f)
12    }
13}
14
15impl<T> Unsafe<T> {
16    /// Create a new `Unsafe`, asserting that all invariants are upheld.
17    #[inline(always)]
18    pub(crate) const unsafe fn new(value: T) -> Self {
19        Self(value)
20    }
21
22    /// Get a reference to the inner value.
23    #[inline(always)]
24    pub(crate) const fn get(&self) -> &T {
25        &self.0
26    }
27}
28
29impl<T> core::ops::Deref for Unsafe<T> {
30    type Target = T;
31
32    #[inline(always)]
33    fn deref(&self) -> &Self::Target {
34        &self.0
35    }
36}