Enumerates the current set of results using the given block.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The block to execute for each current result.
This method disables the query at the start of the iteration and reenables it upon completion. Use
enumerate if you want to use concurrent or reverse iteration.