# subscript(_:) ``` subscript(r: R) -> Self.SubSequence where R : RangeExpression, Self.Index == R.Bound { get set } ``` --- 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)