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Make NonNull::as_ref (and friends) return refs with unbound lifetimes #80771

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Mar 22, 2021
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Make NonNull::as_ref (and friends) return refs with unbound lifetimes #80771

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12 changes: 6 additions & 6 deletions library/core/src/ptr/non_null.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,7 @@ impl<T: Sized> NonNull<T> {
/// [the module documentation]: crate::ptr#safety
#[inline]
#[unstable(feature = "ptr_as_uninit", issue = "75402")]
pub unsafe fn as_uninit_ref(&self) -> &MaybeUninit<T> {
pub unsafe fn as_uninit_ref<'a>(&self) -> &'a MaybeUninit<T> {
// SAFETY: the caller must guarantee that `self` meets all the
// requirements for a reference.
unsafe { &*self.cast().as_ptr() }
Expand Down Expand Up @@ -135,7 +135,7 @@ impl<T: Sized> NonNull<T> {
/// [the module documentation]: crate::ptr#safety
#[inline]
#[unstable(feature = "ptr_as_uninit", issue = "75402")]
pub unsafe fn as_uninit_mut(&mut self) -> &mut MaybeUninit<T> {
pub unsafe fn as_uninit_mut<'a>(&mut self) -> &'a mut MaybeUninit<T> {
// SAFETY: the caller must guarantee that `self` meets all the
// requirements for a reference.
unsafe { &mut *self.cast().as_ptr() }
Expand Down Expand Up @@ -206,7 +206,7 @@ impl<T: ?Sized> NonNull<T> {
/// [the module documentation]: crate::ptr#safety
#[stable(feature = "nonnull", since = "1.25.0")]
#[inline]
pub unsafe fn as_ref(&self) -> &T {
pub unsafe fn as_ref<'a>(&self) -> &'a T {
// SAFETY: the caller must guarantee that `self` meets all the
// requirements for a reference.
unsafe { &*self.as_ptr() }
Expand Down Expand Up @@ -242,7 +242,7 @@ impl<T: ?Sized> NonNull<T> {
/// [the module documentation]: crate::ptr#safety
#[stable(feature = "nonnull", since = "1.25.0")]
#[inline]
pub unsafe fn as_mut(&mut self) -> &mut T {
pub unsafe fn as_mut<'a>(&mut self) -> &'a mut T {
// SAFETY: the caller must guarantee that `self` meets all the
// requirements for a mutable reference.
unsafe { &mut *self.as_ptr() }
Expand Down Expand Up @@ -390,7 +390,7 @@ impl<T> NonNull<[T]> {
/// [`pointer::offset`]: ../../std/primitive.pointer.html#method.offset
#[inline]
#[unstable(feature = "ptr_as_uninit", issue = "75402")]
pub unsafe fn as_uninit_slice(&self) -> &[MaybeUninit<T>] {
pub unsafe fn as_uninit_slice<'a>(&self) -> &'a [MaybeUninit<T>] {
// SAFETY: the caller must uphold the safety contract for `as_uninit_slice`.
unsafe { slice::from_raw_parts(self.cast().as_ptr(), self.len()) }
}
Expand Down Expand Up @@ -452,7 +452,7 @@ impl<T> NonNull<[T]> {
/// ```
#[inline]
#[unstable(feature = "ptr_as_uninit", issue = "75402")]
pub unsafe fn as_uninit_slice_mut(&self) -> &mut [MaybeUninit<T>] {
pub unsafe fn as_uninit_slice_mut<'a>(&self) -> &'a mut [MaybeUninit<T>] {
// SAFETY: the caller must uphold the safety contract for `as_uninit_slice_mut`.
unsafe { slice::from_raw_parts_mut(self.cast().as_ptr(), self.len()) }
}
Expand Down