---
title: NSFastEnumerationIterator
framework: foundation
role: symbol
role_heading: Structure
path: foundation/nsfastenumerationiterator
---

# NSFastEnumerationIterator

## Declaration

```swift
struct NSFastEnumerationIterator
```

## Topics

### Initializers

- [init(_:)](foundation/nsfastenumerationiterator/init(_:).md)

## Relationships

### Conforms To

- [IteratorProtocol](swift/iteratorprotocol.md)

## See Also

### Iteration

- [NSEnumerator](foundation/nsenumerator.md)
- [NSFastEnumeration](foundation/nsfastenumeration.md)
- [NSIndexSetIterator](foundation/nsindexsetiterator.md)
- [NSEnumerationOptions](foundation/nsenumerationoptions.md)
- [NSSortOptions](foundation/nssortoptions.md)