# init(bytesNoCopy:deallocator:) Initialize a data object without copying the bytes. ``` init(bytesNoCopy bytes: UnsafeBufferPointer, deallocator: DispatchData.Deallocator = .free) ``` ## Parameters `bytes` A pointer to the bytes. `deallocator` Specifies the mechanism to free the indicated buffer. ## Discussion --- 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)