---
title: IndexSet.Index
framework: foundation
role: symbol
role_heading: Structure
path: foundation/indexset/index
---

# IndexSet.Index

The mechanism for accessing the integers stored in an IndexSet.

## Declaration

```swift
struct Index
```

## Relationships

### Conforms To

- [Comparable](swift/comparable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)