# subscript(_:as:) Reads and writes the value at the given index as an integer value. ``` subscript(index: Int, as type: T.Type = T.self) -> T? where T : BinaryInteger { get } ``` ## Parameters `index` The position of the element to access. `type` The expected type for the returned value. ## Return Value The value at the specified index in the array, otherwise . --- 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)