From a6eebbe90526529f217199f09a3df233fc40b1f9 Mon Sep 17 00:00:00 2001
From: wr7 <d-wr7@outlook.com>
Date: Mon, 19 May 2025 18:34:48 -0600
Subject: [PATCH] Stabilize `substr_range` and related methods

---
 library/core/src/slice/mod.rs | 3 +--
 library/core/src/str/mod.rs   | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
index d3c37e3caf6ab..afe5c24eab16e 100644
--- a/library/core/src/slice/mod.rs
+++ b/library/core/src/slice/mod.rs
@@ -5296,7 +5296,6 @@ impl<T> [T] {
     /// # Examples
     /// Basic usage:
     /// ```
-    /// #![feature(substr_range)]
     /// use core::range::Range;
     ///
     /// let nums = &[0, 5, 10, 0, 0, 5];
@@ -5311,7 +5310,7 @@ impl<T> [T] {
     /// assert_eq!(iter.next(), Some(Range { start: 5, end: 6 }));
     /// ```
     #[must_use]
-    #[unstable(feature = "substr_range", issue = "126769")]
+    #[stable(feature = "substr_range", since = "CURRENT_RUSTC_VERSION")]
     pub fn subslice_range(&self, subslice: &[T]) -> Option<core::range::Range<usize>> {
         if T::IS_ZST {
             panic!("elements are zero-sized");
diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs
index 1a4493de30a1f..85e3bf030f4a9 100644
--- a/library/core/src/str/mod.rs
+++ b/library/core/src/str/mod.rs
@@ -3111,7 +3111,6 @@ impl str {
     ///
     /// # Examples
     /// ```
-    /// #![feature(substr_range)]
     /// use core::range::Range;
     ///
     /// let data = "a, b, b, a";
@@ -3123,7 +3122,7 @@ impl str {
     /// assert_eq!(iter.next(), Some(Range { start: 9, end: 10 }));
     /// ```
     #[must_use]
-    #[unstable(feature = "substr_range", issue = "126769")]
+    #[stable(feature = "substr_range", since = "CURRENT_RUSTC_VERSION")]
     pub fn substr_range(&self, substr: &str) -> Option<Range<usize>> {
         self.as_bytes().subslice_range(substr.as_bytes())
     }