---
title: IteratorProtocol Implementations
framework: swift
role: collectionGroup
role_heading: API Collection
path: swift/flattensequence/iterator/iteratorprotocol-implementations
---

# IteratorProtocol Implementations

## Topics

### Instance Methods

- [next()](swift/flattensequence/iterator/next().md)

### Type Aliases

- [FlattenSequence.Iterator.Element](swift/flattensequence/iterator/element.md)