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partially stabilize (const_)slice_ptr_len by stabilizing NonNull::len #71146

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This commit is contained in:
Pointerbender 2022-03-05 11:43:19 +01:00
parent 86067bb461
commit 613f569080
1 changed files with 4 additions and 3 deletions
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7
library/core/src/ptr/non_null.rs
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@ -446,14 +446,15 @@ impl<T> NonNull<[T]> {
/// # Examples
///
/// ```rust
/// #![feature(slice_ptr_len, nonnull_slice_from_raw_parts)]
/// #![feature(nonnull_slice_from_raw_parts)]
/// use std::ptr::NonNull;
///
/// let slice: NonNull<[i8]> = NonNull::slice_from_raw_parts(NonNull::dangling(), 3);
/// assert_eq!(slice.len(), 3);
/// ```
#[unstable(feature = "slice_ptr_len", issue = "71146")]
#[rustc_const_unstable(feature = "const_slice_ptr_len", issue = "71146")]
#[stable(feature = "slice_ptr_len_nonnull", since = "1.61.0")]
#[rustc_const_stable(feature = "const_slice_ptr_len_nonnull", since = "1.61.0")]
#[rustc_allow_const_fn_unstable(const_slice_ptr_len)]
#[must_use]
#[inline]
pub const fn len(self) -> usize {