/// Unlike `*mut T`, `Unique<T>` is covariant over `T`. This should always be correct
/// for any type which upholds Unique's aliasing requirements.
#[unstable(feature = "ptr_internals", issue = "0",
- reason = "use NonNull instead and consider PhantomData<T> \
- (if you also use #[may_dangle]), Send, and/or Sync")]
+ reason = "use `NonNull` instead and consider `PhantomData<T>` \
+ (if you also use `#[may_dangle]`), `Send`, and/or `Sync`")]
#[doc(hidden)]
#[repr(transparent)]
#[rustc_layout_scalar_valid_range_start(1)]
-error[E0658]: use of unstable library feature 'ptr_internals': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
+error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
--> $DIR/issue-49983-see-issue-0.rs:4:30
|
LL | #[allow(unused_imports)] use core::ptr::Unique;