Stabilize:

- `std::rc::Rc::{strong_count, weak_count}`
- `std::sync::Arc::{strong_count, weak_count}`

Deprecate:

- `std::rc::Rc::{would_unwrap, is_unique}`

1 files changed, 2 insertions, 8 deletions

diff --git a/src/liballoc/arc.rs b/src/liballoc/arc.rs
index 3a7da18c8de..1cad8f7f407 100644
--- a/src/liballoc/arc.rs
+++ b/src/liballoc/arc.rs
@@ -392,8 +392,6 @@ impl<T: ?Sized> Arc<T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(arc_counts)]
-    ///
     /// use std::sync::Arc;
     ///
     /// let five = Arc::new(5);
@@ -404,8 +402,7 @@ impl<T: ?Sized> Arc<T> {
     /// assert_eq!(1, Arc::weak_count(&five));
     /// ```
     #[inline]
-    #[unstable(feature = "arc_counts", reason = "not clearly useful, and racy",
-               issue = "28356")]
+    #[stable(feature = "arc_counts", since = "1.15.0")]
     pub fn weak_count(this: &Self) -> usize {
         this.inner().weak.load(SeqCst) - 1
     }
@@ -421,8 +418,6 @@ impl<T: ?Sized> Arc<T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(arc_counts)]
-    ///
     /// use std::sync::Arc;
     ///
     /// let five = Arc::new(5);
@@ -433,8 +428,7 @@ impl<T: ?Sized> Arc<T> {
     /// assert_eq!(2, Arc::strong_count(&five));
     /// ```
     #[inline]
-    #[unstable(feature = "arc_counts", reason = "not clearly useful, and racy",
-               issue = "28356")]
+    #[stable(feature = "arc_counts", since = "1.15.0")]
     pub fn strong_count(this: &Self) -> usize {
         this.inner().strong.load(SeqCst)
     }