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

zachs18 · zachs18 · commit 8d8eb505b060 · 2024-05-10T14:34:19.000-05:00
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: Clone, 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: Clone, A: Allocator> Arc<T, A> {
     /// If we have the only reference to `T` then unwrap it. Otherwise, clone `T` and return the
     /// clone.
     ///

Original file line number	Diff line number	Diff line change
`@@ -1809,7 +1809,9 @@ impl<T: Clone, A: Allocator + Clone> Rc<T, A> {`
`1809`	`1809`	`// reference to the allocation.`
`1810`	`1810`	`unsafe { &mut this.ptr.as_mut().value }`
`1811`	`1811`	`}`
	`1812`	`+}`
`1812`	`1813`
	`1814`	`+impl<T: Clone, A: Allocator> Rc<T, A> {`
`1813`	`1815`	/// If we have the only reference to `T` then unwrap it. Otherwise, clone `T` and return the
`1814`	`1816`	`/// clone.`
`1815`	`1817`	`///`
Original file line number	Diff line number	Diff line change
`@@ -2227,7 +2227,9 @@ impl<T: Clone, A: Allocator + Clone> Arc<T, A> {`
`2227`	`2227`	`// either unique to begin with, or became one upon cloning the contents.`
`2228`	`2228`	`unsafe { Self::get_mut_unchecked(this) }`
`2229`	`2229`	`}`
	`2230`	`+}`
`2230`	`2231`
	`2232`	`+impl<T: Clone, A: Allocator> Arc<T, A> {`
`2231`	`2233`	/// If we have the only reference to `T` then unwrap it. Otherwise, clone `T` and return the
`2232`	`2234`	`/// clone.`
`2233`	`2235`	`///`