# +(_:) Returns the given number unchanged. ``` static func + (x: Self) -> Self ``` ## Return Value The given argument without any changes. ## Discussion You can use the unary plus operator (`+`) to provide symmetry in your code for positive numbers when also using the unary minus operator. ``` let x = -21 let y = +21 // x == -21 // y == 21 ``` --- 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)