---
title: "init(copying:)"
framework: swift
role: symbol
role_heading: Initializer
path: "swift/string/init(copying:)"
---

# init(copying:)

Creates a new string, copying the specified code units.

## Declaration

```swift
init(copying codeUnits: UTF8Span)
```

## Discussion

Discussion This initializer skips UTF-8 validation because codeUnits must contain valid UTF-8. note: O(n)