---
title: JoinedSequence.Iterator
framework: swift
role: symbol
role_heading: Structure
path: swift/joinedsequence/iterator
---

# JoinedSequence.Iterator

An iterator that presents the elements of the sequences traversed by a base iterator, concatenated using a given separator.

## Declaration

```swift
@frozen struct Iterator
```

## Topics

### Initializers

- [init(base:separator:)](swift/joinedsequence/iterator/init(base:separator:).md)

### Default Implementations

- [IteratorProtocol Implementations](swift/joinedsequence/iterator/iteratorprotocol-implementations.md)

## Relationships

### Conforms To

- [Copyable](swift/copyable.md)
- [Escapable](swift/escapable.md)
- [IteratorProtocol](swift/iteratorprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)