---
title: LazyMapSequence.Iterator
framework: swift
role: symbol
role_heading: Structure
path: swift/lazymapsequence/iterator
---

# LazyMapSequence.Iterator

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

## Declaration

```swift
@frozen struct Iterator
```

## Topics

### Instance Properties

- [base](swift/lazymapsequence/iterator/base.md)

### Default Implementations

- [IteratorProtocol Implementations](swift/lazymapsequence/iterator/iteratorprotocol-implementations.md)
- [Sequence Implementations](swift/lazymapsequence/iterator/sequence-implementations.md)

## Relationships

### Conforms To

- [Copyable](swift/copyable.md)
- [Escapable](swift/escapable.md)
- [IteratorProtocol](swift/iteratorprotocol.md)
- [Sequence](swift/sequence.md)