---
title: RangeSet.Ranges.Indices
framework: swift
role: symbol
role_heading: Type Alias
path: swift/rangeset/ranges-swift.struct/indices
---

# RangeSet.Ranges.Indices

A type that represents the indices that are valid for subscripting the collection, in ascending order.

## Declaration

```swift
typealias Indices = Range<RangeSet<Bound>.Ranges.Index>
```
