From de4be2cd85b5c8b707185d0e1f10b3373be0a3d5 Mon Sep 17 00:00:00 2001
From: Joshua Liebow-Feeser <joshlf@google.com>
Date: Mon, 18 Mar 2019 12:01:16 -0700
Subject: [PATCH] Stabilize refcell_map_split feature

- Closes #51476
---
 src/libcore/cell.rs      | 6 ++----
 src/libcore/tests/lib.rs | 1 -
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index 8383d305518ab..753f10e6a0ad0 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -1186,7 +1186,6 @@ impl<'b, T: ?Sized> Ref<'b, T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(refcell_map_split)]
     /// use std::cell::{Ref, RefCell};
     ///
     /// let cell = RefCell::new([1, 2, 3, 4]);
@@ -1195,7 +1194,7 @@ impl<'b, T: ?Sized> Ref<'b, T> {
     /// assert_eq!(*begin, [1, 2]);
     /// assert_eq!(*end, [3, 4]);
     /// ```
-    #[unstable(feature = "refcell_map_split", issue = "51476")]
+    #[stable(feature = "refcell_map_split", since = "1.35.0")]
     #[inline]
     pub fn map_split<U: ?Sized, V: ?Sized, F>(orig: Ref<'b, T>, f: F) -> (Ref<'b, U>, Ref<'b, V>)
         where F: FnOnce(&T) -> (&U, &V)
@@ -1268,7 +1267,6 @@ impl<'b, T: ?Sized> RefMut<'b, T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(refcell_map_split)]
     /// use std::cell::{RefCell, RefMut};
     ///
     /// let cell = RefCell::new([1, 2, 3, 4]);
@@ -1279,7 +1277,7 @@ impl<'b, T: ?Sized> RefMut<'b, T> {
     /// begin.copy_from_slice(&[4, 3]);
     /// end.copy_from_slice(&[2, 1]);
     /// ```
-    #[unstable(feature = "refcell_map_split", issue = "51476")]
+    #[stable(feature = "refcell_map_split", since = "1.35.0")]
     #[inline]
     pub fn map_split<U: ?Sized, V: ?Sized, F>(
         orig: RefMut<'b, T>, f: F
diff --git a/src/libcore/tests/lib.rs b/src/libcore/tests/lib.rs
index a50310e195f0d..08dda4bcc3d24 100644
--- a/src/libcore/tests/lib.rs
+++ b/src/libcore/tests/lib.rs
@@ -16,7 +16,6 @@
 #![feature(pattern)]
 #![feature(range_is_empty)]
 #![feature(raw)]
-#![feature(refcell_map_split)]
 #![feature(refcell_replace_swap)]
 #![feature(slice_patterns)]
 #![feature(sort_internals)]