From 702da3b89c8c586fea9d257779e0e75562efa552 Mon Sep 17 00:00:00 2001
From: Andre Bogus <bogusandre@gmail.com>
Date: Thu, 28 Sep 2023 08:31:14 +0200
Subject: [PATCH] stabilize `Option::as_`(`mut_`)`slice`

---
 compiler/rustc_hir_typeck/src/lib.rs |  1 -
 library/core/src/option.rs           | 14 ++------------
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs
index 6873382c4ac60..cd6adb345e7a3 100644
--- a/compiler/rustc_hir_typeck/src/lib.rs
+++ b/compiler/rustc_hir_typeck/src/lib.rs
@@ -5,7 +5,6 @@
 #![feature(box_patterns)]
 #![feature(min_specialization)]
 #![feature(control_flow_enum)]
-#![feature(option_as_slice)]
 #![recursion_limit = "256"]
 
 #[macro_use]
diff --git a/library/core/src/option.rs b/library/core/src/option.rs
index f2909a81d4920..9899014e85a75 100644
--- a/library/core/src/option.rs
+++ b/library/core/src/option.rs
@@ -743,8 +743,6 @@ impl<T> Option<T> {
     /// # Examples
     ///
     /// ```rust
-    /// #![feature(option_as_slice)]
-    ///
     /// assert_eq!(
     ///     [Some(1234).as_slice(), None.as_slice()],
     ///     [&[1234][..], &[][..]],
@@ -755,15 +753,13 @@ impl<T> Option<T> {
     /// borrowing) [`[_]::first`](slice::first):
     ///
     /// ```rust
-    /// #![feature(option_as_slice)]
-    ///
     /// for i in [Some(1234_u16), None] {
     ///     assert_eq!(i.as_ref(), i.as_slice().first());
     /// }
     /// ```
     #[inline]
     #[must_use]
-    #[unstable(feature = "option_as_slice", issue = "108545")]
+    #[stable(feature = "option_as_slice", since = "CURRENT_RUSTC_VERSION")]
     pub fn as_slice(&self) -> &[T] {
         // SAFETY: When the `Option` is `Some`, we're using the actual pointer
         // to the payload, with a length of 1, so this is equivalent to
@@ -794,8 +790,6 @@ impl<T> Option<T> {
     /// # Examples
     ///
     /// ```rust
-    /// #![feature(option_as_slice)]
-    ///
     /// assert_eq!(
     ///     [Some(1234).as_mut_slice(), None.as_mut_slice()],
     ///     [&mut [1234][..], &mut [][..]],
@@ -806,8 +800,6 @@ impl<T> Option<T> {
     /// our original `Option`:
     ///
     /// ```rust
-    /// #![feature(option_as_slice)]
-    ///
     /// let mut x = Some(1234);
     /// x.as_mut_slice()[0] += 1;
     /// assert_eq!(x, Some(1235));
@@ -817,13 +809,11 @@ impl<T> Option<T> {
     /// is [`[_]::first_mut`](slice::first_mut):
     ///
     /// ```rust
-    /// #![feature(option_as_slice)]
-    ///
     /// assert_eq!(Some(123).as_mut_slice().first_mut(), Some(&mut 123))
     /// ```
     #[inline]
     #[must_use]
-    #[unstable(feature = "option_as_slice", issue = "108545")]
+    #[stable(feature = "option_as_slice", since = "CURRENT_RUSTC_VERSION")]
     pub fn as_mut_slice(&mut self) -> &mut [T] {
         // SAFETY: When the `Option` is `Some`, we're using the actual pointer
         // to the payload, with a length of 1, so this is equivalent to