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Add inherent versions of MaybeUninit methods for slices

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This commit is contained in:
ltdk
2024-08-18 19:50:41 -04:00
parent 12445e0b2c
commit e37daf0c86
18 changed files with 543 additions and 441 deletions
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8
library/core/src/array/iter.rs
View File

@@ -214,7 +214,7 @@ impl<T, const N: usize> IntoIter<T, N> {
// SAFETY: We know that all elements within `alive` are properly initialized.
unsafe {
let slice = self.data.get_unchecked(self.alive.clone());
MaybeUninit::slice_assume_init_ref(slice)
slice.assume_init_ref()
}
}
@@ -224,7 +224,7 @@ impl<T, const N: usize> IntoIter<T, N> {
// SAFETY: We know that all elements within `alive` are properly initialized.
unsafe {
let slice = self.data.get_unchecked_mut(self.alive.clone());
MaybeUninit::slice_assume_init_mut(slice)
slice.assume_init_mut()
}
}
}
@@ -285,7 +285,7 @@ impl<T, const N: usize> Iterator for IntoIter<T, N> {
// SAFETY: These elements are currently initialized, so it's fine to drop them.
unsafe {
let slice = self.data.get_unchecked_mut(range_to_drop);
ptr::drop_in_place(MaybeUninit::slice_assume_init_mut(slice));
slice.assume_init_drop();
}
NonZero::new(remaining).map_or(Ok(()), Err)
@@ -340,7 +340,7 @@ impl<T, const N: usize> DoubleEndedIterator for IntoIter<T, N> {
// SAFETY: These elements are currently initialized, so it's fine to drop them.
unsafe {
let slice = self.data.get_unchecked_mut(range_to_drop);
ptr::drop_in_place(MaybeUninit::slice_assume_init_mut(slice));
slice.assume_init_drop();
}
NonZero::new(remaining).map_or(Ok(()), Err)

4
library/core/src/array/mod.rs
View File

@@ -911,9 +911,7 @@ impl<T> Drop for Guard<'_, T> {
// SAFETY: this slice will contain only initialized objects.
unsafe {
crate::ptr::drop_in_place(MaybeUninit::slice_assume_init_mut(
self.array_mut.get_unchecked_mut(..self.initialized),
));
self.array_mut.get_unchecked_mut(..self.initialized).assume_init_drop();
}
}
}