From 5152a6f2852f5200665a591bbf59e7e827a68af4 Mon Sep 17 00:00:00 2001
From: Thayne McCombs <astrothayne@gmail.com>
Date: Sun, 1 Apr 2018 22:11:51 -0600
Subject: [PATCH] Stabilize `Option::filter`.

Fixes #45860
---
 src/libcore/option.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcore/option.rs b/src/libcore/option.rs
index 61ef6798b2ef..002fe68ad9b4 100644
--- a/src/libcore/option.rs
+++ b/src/libcore/option.rs
@@ -639,7 +639,7 @@ impl<T> Option<T> {
     /// assert_eq!(Some(4).filter(is_even), Some(4));
     /// ```
     #[inline]
-    #[unstable(feature = "option_filter", issue = "45860")]
+    #[stable(feature = "option_filter", since = "1.27.0")]
     pub fn filter<P: FnOnce(&T) -> bool>(self, predicate: P) -> Self {
         if let Some(x) = self {
             if predicate(&x) {