---
title: clone()
framework: Swift
role: symbol
role_heading: Instance Method
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+, watchOS 27.0+]
path: swift/uniquebox/clone()
---

# clone()

Copies the value within the unqiue box and returns it in a new unique instance.

## Declaration

```swift
func clone() -> UniqueBox<Value>
```