diff options
| -rw-r--r-- | library/core/src/lib.rs | 1 | ||||
| -rw-r--r-- | library/core/src/mem/maybe_uninit.rs | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index acf4936ee08..4a3020d6b99 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -94,6 +94,7 @@ #![feature(const_precise_live_drops)] #![feature(const_ptr_offset)] #![feature(const_ptr_offset_from)] +#![feature(const_ptr_read)] #![feature(const_raw_ptr_comparison)] #![feature(const_raw_ptr_deref)] #![feature(const_slice_from_raw_parts)] diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index 57e0bb1499b..b2a4d897eed 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -575,8 +575,9 @@ impl<T> MaybeUninit<T> { /// // they both get dropped! /// ``` #[unstable(feature = "maybe_uninit_extra", issue = "63567")] + #[rustc_const_unstable(feature = "maybe_uninit_extra", issue = "63567")] #[inline(always)] - pub unsafe fn assume_init_read(&self) -> T { + pub const unsafe fn assume_init_read(&self) -> T { // SAFETY: the caller must guarantee that `self` is initialized. // Reading from `self.as_ptr()` is safe since `self` should be initialized. unsafe { |