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kotlinlang

Does `SnapshotStateList` need to be guarded against concurrent modifications? e.g.

```remember {
   derivedStateOf {
    // paging.items is a SnapshotStateList
    paging.items.count { ... }  
  }
}```
should I be copying the list before iterating over it in the `derivedStateOf`, or do the semantics of the snapshot system prevent that view of it from being modified concurrently?

Generally, no, but it is still possible to iterate and modify the list in the same snapshot

Also `toList` on a snapshot state list is mostly free, since it just returns immutable view into the current list

<https://issuetracker.google.com/issues/272334463|https://issuetracker.google.com/issues/272334463>

So there wouldn't be a `ConcurrentModificationException` thrown, but there's no guarantee on what view of the data you'd have?