---
title: "append(contentsOf:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/string/append(contentsof:)-9vb4t"
---

# append(contentsOf:)

## Declaration

```swift
mutating func append(contentsOf newElements: Substring)
```

## See Also

### Appending Strings and Characters

- [append(_:)](swift/string/append(_:)-4xa8f.md)
- [append(_:)](swift/string/append(_:)-4xi3j.md)
- [append(contentsOf:)](swift/string/append(contentsof:)-oxek.md)
- [append(contentsOf:)](swift/string/append(contentsof:)-7est5.md)
- [append(contentsOf:)](swift/string/append(contentsof:)-9foms.md)
- [reserveCapacity(_:)](swift/string/reservecapacity(_:).md)
- [+(_:_:)](swift/string/+(_:_:).md)
- [+=(_:_:)](swift/string/+=(_:_:).md)
- [+(_:_:)](swift/string/+(_:_:)-6h59y.md)
- [+(_:_:)](swift/string/+(_:_:)-n329.md)
- [+(_:_:)](swift/string/+(_:_:)-9fm57.md)
- [+=(_:_:)](swift/string/+=(_:_:)-676gx.md)