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use mem::MaybeUninit instead of mem::uninitialized

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nanpuyue
2019-08-16 15:49:37 +02:00
committed by Douman
parent b1c17169d9
commit 79e4b2847f
1 changed files with 3 additions and 3 deletions
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src/bytes.rs
+3 -3
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@@ -1666,7 +1666,7 @@ impl<'a> From<&'a [u8]> for BytesMut {
BytesMut::new() BytesMut::new()
} else if len <= INLINE_CAP { } else if len <= INLINE_CAP {
unsafe { unsafe {
let mut inner: Inner = mem::uninitialized(); let mut inner: Inner = mem::MaybeUninit::uninit().assume_init();
// Set inline mask // Set inline mask
inner.arc = AtomicPtr::new(KIND_INLINE as *mut Shared); inner.arc = AtomicPtr::new(KIND_INLINE as *mut Shared);
@@ -1858,7 +1858,7 @@ impl Inner {
if capacity <= INLINE_CAP { if capacity <= INLINE_CAP {
unsafe { unsafe {
// Using uninitialized memory is ~30% faster // Using uninitialized memory is ~30% faster
let mut inner: Inner = mem::uninitialized(); let mut inner: Inner = mem::MaybeUninit::uninit().assume_init();
inner.arc = AtomicPtr::new(KIND_INLINE as *mut Shared); inner.arc = AtomicPtr::new(KIND_INLINE as *mut Shared);
inner inner
} }
@@ -2176,7 +2176,7 @@ impl Inner {
if self.is_inline_or_static() { if self.is_inline_or_static() {
// In this case, a shallow_clone still involves copying the data. // In this case, a shallow_clone still involves copying the data.
let mut inner: Inner = mem::uninitialized(); let mut inner: Inner = mem::MaybeUninit::uninit().assume_init();
ptr::copy_nonoverlapping( ptr::copy_nonoverlapping(
self, self,
&mut inner, &mut inner,