diff options
Diffstat (limited to 'library/core/src')
| -rw-r--r-- | library/core/src/mem/maybe_uninit.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index 9a29094b52c..783a4b08ec1 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -394,10 +394,11 @@ impl<T> MaybeUninit<T> { /// // This is undefined behavior. ⚠️ /// ``` #[stable(feature = "maybe_uninit", since = "1.36.0")] + #[rustc_const_unstable(feature = "const_maybe_uninit_zeroed", issue = "91850")] #[must_use] #[inline] #[rustc_diagnostic_item = "maybe_uninit_zeroed"] - pub fn zeroed() -> MaybeUninit<T> { + pub const fn zeroed() -> MaybeUninit<T> { let mut u = MaybeUninit::<T>::uninit(); // SAFETY: `u.as_mut_ptr()` points to allocated memory. unsafe { |