---
title: "init(integer:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/indexset/init(integer:)"
---

# init(integer:)

Initializes an index set with a single integer.

## Declaration

```swift
init(integer: IndexSet.Element)
```

## See Also

### Creating an Index Set

- [init()](foundation/indexset/init().md)
- [init(integersIn:)](foundation/indexset/init(integersin:)-40cz3.md)