---
title: "init(integersIn:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/indexset/init(integersin:)-40cz3"
---

# init(integersIn:)

Initializes an index set with a range of integers.

## Declaration

```swift
init(integersIn range: Range<IndexSet.Element>)
```

## See Also

### Creating an Index Set

- [init()](foundation/indexset/init().md)
- [init(integer:)](foundation/indexset/init(integer:).md)