---
title: BorrowingSequence Implementations
framework: swift
role: collectionGroup
role_heading: API Collection
path: swift/mutablerawspan/borrowingsequence-implementations
---

# BorrowingSequence Implementations

## Topics

### Instance Properties

- [underestimatedCount](swift/mutablerawspan/underestimatedcount.md)

### Instance Methods

- [makeBorrowingIterator()](swift/mutablerawspan/makeborrowingiterator().md)

### Type Aliases

- [MutableRawSpan.BorrowingIterator](swift/mutablerawspan/borrowingiterator.md)
- [MutableRawSpan.Element](swift/mutablerawspan/element.md)