---
title: RawSpan.BorrowingIterator
framework: swift
role: symbol
role_heading: Type Alias
path: swift/rawspan/borrowingiterator
---

# RawSpan.BorrowingIterator

A type that provides the sequence’s iteration interface and encapsulates its iteration state.

## Declaration

```swift
typealias BorrowingIterator = SpanIterator<UInt8>
```