# update(repeating:) Updates every element of this buffer slice’s initialized memory. ``` func update(repeating repeatedValue: Element) where Base == UnsafeMutableBufferPointer ``` ## Parameters `repeatedValue` The value used when updating this pointer’s memory. ## Discussion The buffer slice’s memory must be initialized or its `Element` must be a trivial type. > Note: All buffer elements must already be initialized. --- 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)