Add fmt::Debug to sync::Weak<T, A>

Matthew Giordano · Matthew Giordano · commit c11d46f04581 · 2024-08-27T17:38:51.000-07:00
diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs
@@ -335,7 +335,7 @@ impl<T: ?Sized + Unsize<U>, U: ?Sized, A: Allocator> CoerceUnsized<Weak<U, A>> f
 impl<T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<Weak<U>> for Weak<T> {}
 
 #[stable(feature = "arc_weak", since = "1.4.0")]
-impl<T: ?Sized> fmt::Debug for Weak<T> {
+impl<T: ?Sized, A: Allocator> fmt::Debug for Weak<T, A> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "(Weak)")
     }

Original file line number	Diff line number	Diff line change
`@@ -335,7 +335,7 @@ impl<T: ?Sized + Unsize<U>, U: ?Sized, A: Allocator> CoerceUnsized<Weak<U, A>> f`
`335`	`335`	`impl<T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<Weak<U>> for Weak<T> {}`
`336`	`336`
`337`	`337`	`#[stable(feature = "arc_weak", since = "1.4.0")]`
`338`		`-impl<T: ?Sized> fmt::Debug for Weak<T> {`
	`338`	`+impl<T: ?Sized, A: Allocator> fmt::Debug for Weak<T, A> {`
`339`	`339`	`fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {`
`340`	`340`	`write!(f, "(Weak)")`
`341`	`341`	`}`