Stabilize Option::xor

diff --git a/src/libcore/option.rs b/src/libcore/option.rs
index 6b7f491effb30cf616e7a758ecddb1ba1c692f87..7f1b53a1b8bfcd0b4a18649fe9deffe3bffdd3a7 100644 (file)
--- a/src/libcore/option.rs
+++ b/src/libcore/option.rs
@@ -725,8 +725,6 @@ pub fn or_else<F: FnOnce() -> Option<T>>(self, f: F) -> Option<T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(option_xor)]
-    ///
     /// let x = Some(2);
     /// let y: Option<u32> = None;
     /// assert_eq!(x.xor(y), Some(2));
@@ -744,7 +742,7 @@ pub fn or_else<F: FnOnce() -> Option<T>>(self, f: F) -> Option<T> {
     /// assert_eq!(x.xor(y), None);
     /// ```
     #[inline]
-    #[unstable(feature = "option_xor", issue = "50512")]
+    #[stable(feature = "option_xor", since = "1.37.0")]
     pub fn xor(self, optb: Option<T>) -> Option<T> {
         match (self, optb) {
             (Some(a), None) => Some(a),