WIP

crates/util/src/arc_cow.rs

@@ -44,12 +44,18 @@ impl<'a, T: ?Sized> From<&'a T> for ArcCow<'a, T> {
     }
 }
 
-impl<T> From<Arc<T>> for ArcCow<'_, T> {
+impl<T: ?Sized> From<Arc<T>> for ArcCow<'_, T> {
     fn from(s: Arc<T>) -> Self {
         Self::Owned(s)
     }
 }
 
+impl<T: ?Sized> From<&'_ Arc<T>> for ArcCow<'_, T> {
+    fn from(s: &'_ Arc<T>) -> Self {
+        Self::Owned(s.clone())
+    }
+}
+
 impl From<String> for ArcCow<'_, str> {
     fn from(value: String) -> Self {
         Self::Owned(value.into())