use fmt;
use hash;
use marker::{PhantomData, Unsize};
-use mem;
+use mem::{self, MaybeUninit};
use nonzero::NonZero;
use cmp::Ordering::{self, Less, Equal, Greater};
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
pub unsafe fn read<T>(src: *const T) -> T {
- let mut tmp: T = mem::uninitialized();
- copy_nonoverlapping(src, &mut tmp, 1);
- tmp
+ let mut tmp = MaybeUninit::<T>::uninitialized();
+ copy_nonoverlapping(src, tmp.as_mut_ptr(), 1);
+ tmp.into_inner()
}
/// Reads the value from `src` without moving it. This leaves the
#[inline]
#[stable(feature = "ptr_unaligned", since = "1.17.0")]
pub unsafe fn read_unaligned<T>(src: *const T) -> T {
- let mut tmp: T = mem::uninitialized();
+ let mut tmp = MaybeUninit::<T>::uninitialized();
copy_nonoverlapping(src as *const u8,
- &mut tmp as *mut T as *mut u8,
+ tmp.as_mut_ptr() as *mut u8,
mem::size_of::<T>());
- tmp
+ tmp.into_inner()
}
/// Overwrites a memory location with the given value without reading or