# span A span over the elements of this array. ``` var span: Span { get } ``` ## Return Value A `Span` over the elements of this array. ## Discussion> Note: On Apple platforms, this property copies bridged `NSArray` > instances into contiguous storage on first access and caches > the result. Subsequent calls can reuse the cached copy. > Complexity: O(1) for native arrays, amortized O(1) for bridged arrays. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)