Relax A: Clone requirement on Rc/Arc::unwrap_or_clone.

rust-lang · May 10, 2024 · 06beef4 · 06beef4
1 parent d6122f1
commit 06beef4
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diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs
@@ -1809,7 +1809,9 @@ impl<T: Clone, A: Allocator + Clone> Rc<T, A> {
         // reference to the allocation.
         unsafe { &mut this.ptr.as_mut().value }
     }
+}
 
+impl<T, A: Allocator> Rc<T, A> {
     /// If we have the only reference to `T` then unwrap it. Otherwise, clone `T` and return the
     /// clone.
     ///

diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs
@@ -2227,7 +2227,9 @@ impl<T: Clone, A: Allocator + Clone> Arc<T, A> {
         // either unique to begin with, or became one upon cloning the contents.
         unsafe { Self::get_mut_unchecked(this) }
     }
+}
 
+impl<T, A: Allocator> Arc<T, A> {
     /// If we have the only reference to `T` then unwrap it. Otherwise, clone `T` and return the
     /// clone.
     ///