Auto merge of #77502 - varkor:const-generics-suggest-enclosing-braces, r=petrochenkov

[rust.git] / library / alloc / src / borrow.rs

diff --git a/library/alloc/src/borrow.rs b/library/alloc/src/borrow.rs
index e7260f3956c3833671ac771677956e6285c5e48d..f801c1ac75bc38af2383d67af98258c991b6dcb4 100644 (file)
--- a/library/alloc/src/borrow.rs
+++ b/library/alloc/src/borrow.rs
@@ -217,6 +217,7 @@ impl<B: ?Sized + ToOwned> Cow<'_, B> {
     /// assert!(!bull.is_borrowed());
     /// ```
     #[unstable(feature = "cow_is_borrowed", issue = "65143")]
+    #[rustc_const_unstable(feature = "const_cow_is_borrowed", issue = "65143")]
     pub const fn is_borrowed(&self) -> bool {
         match *self {
             Borrowed(_) => true,
@@ -239,6 +240,7 @@ pub const fn is_borrowed(&self) -> bool {
     /// assert!(!bull.is_owned());
     /// ```
     #[unstable(feature = "cow_is_borrowed", issue = "65143")]
+    #[rustc_const_unstable(feature = "const_cow_is_borrowed", issue = "65143")]
     pub const fn is_owned(&self) -> bool {
         !self.is_borrowed()
     }