diff options
| -rw-r--r-- | library/alloc/src/lib.rs | 1 | ||||
| -rw-r--r-- | library/core/src/mem/maybe_uninit.rs | 14 | ||||
| -rw-r--r-- | library/std/src/lib.rs | 1 |
3 files changed, 2 insertions, 14 deletions
diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index a04e7c8a498..7b0291c5f2e 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -109,7 +109,6 @@ #![feature(iter_zip)] #![feature(lang_items)] #![feature(layout_for_ptr)] -#![feature(maybe_uninit_ref)] #![feature(negative_impls)] #![feature(never_type)] #![feature(nll)] diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index 10219201a40..623fd745a5e 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -665,7 +665,6 @@ impl<T> MaybeUninit<T> { /// ### Correct usage of this method: /// /// ```rust - /// #![feature(maybe_uninit_ref)] /// use std::mem::MaybeUninit; /// /// let mut x = MaybeUninit::<Vec<u32>>::uninit(); @@ -683,7 +682,6 @@ impl<T> MaybeUninit<T> { /// ### *Incorrect* usages of this method: /// /// ```rust,no_run - /// #![feature(maybe_uninit_ref)] /// use std::mem::MaybeUninit; /// /// let x = MaybeUninit::<Vec<u32>>::uninit(); @@ -692,7 +690,6 @@ impl<T> MaybeUninit<T> { /// ``` /// /// ```rust,no_run - /// #![feature(maybe_uninit_ref)] /// use std::{cell::Cell, mem::MaybeUninit}; /// /// let b = MaybeUninit::<Cell<bool>>::uninit(); @@ -703,7 +700,7 @@ impl<T> MaybeUninit<T> { /// // Reference to an uninitialized `Cell<bool>`: UB! /// } /// ``` - #[unstable(feature = "maybe_uninit_ref", issue = "63568")] + #[stable(feature = "maybe_uninit_ref", since = "1.55.0")] #[rustc_const_unstable(feature = "const_maybe_uninit_assume_init", issue = "none")] #[inline(always)] pub const unsafe fn assume_init_ref(&self) -> &T { @@ -733,7 +730,6 @@ impl<T> MaybeUninit<T> { /// ### Correct usage of this method: /// /// ```rust - /// #![feature(maybe_uninit_ref)] /// use std::mem::MaybeUninit; /// /// # unsafe extern "C" fn initialize_buffer(buf: *mut [u8; 1024]) { *buf = [0; 1024] } @@ -769,7 +765,6 @@ impl<T> MaybeUninit<T> { /// You cannot use `.assume_init_mut()` to initialize a value: /// /// ```rust,no_run - /// #![feature(maybe_uninit_ref)] /// use std::mem::MaybeUninit; /// /// let mut b = MaybeUninit::<bool>::uninit(); @@ -785,7 +780,6 @@ impl<T> MaybeUninit<T> { /// [`Read`]: https://doc.rust-lang.org/std/io/trait.Read.html /// /// ```rust,no_run - /// #![feature(maybe_uninit_ref)] /// use std::{io, mem::MaybeUninit}; /// /// fn read_chunk (reader: &'_ mut dyn io::Read) -> io::Result<[u8; 64]> @@ -802,7 +796,6 @@ impl<T> MaybeUninit<T> { /// Nor can you use direct field access to do field-by-field gradual initialization: /// /// ```rust,no_run - /// #![feature(maybe_uninit_ref)] /// use std::{mem::MaybeUninit, ptr}; /// /// struct Foo { @@ -823,10 +816,7 @@ impl<T> MaybeUninit<T> { /// foo.assume_init() /// }; /// ``` - // FIXME(#76092): We currently rely on the above being incorrect, i.e., we have references - // to uninitialized data (e.g., in `libcore/fmt/float.rs`). We should make - // a final decision about the rules before stabilization. - #[unstable(feature = "maybe_uninit_ref", issue = "63568")] + #[stable(feature = "maybe_uninit_ref", since = "1.55.0")] #[rustc_const_unstable(feature = "const_maybe_uninit_assume_init", issue = "none")] #[inline(always)] pub const unsafe fn assume_init_mut(&mut self) -> &mut T { diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index c4f21587457..6f94a0599ed 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -286,7 +286,6 @@ #![feature(log_syntax)] #![feature(map_try_insert)] #![feature(maybe_uninit_extra)] -#![feature(maybe_uninit_ref)] #![feature(maybe_uninit_slice)] #![feature(maybe_uninit_uninit_array)] #![feature(min_specialization)] |