---
title: "contains(integersIn:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/indexset/contains(integersin:)-9frtv"
---

# contains(integersIn:)

Returns true if self contains all of the integers in indexSet.

## Declaration

```swift
func contains(integersIn indexSet: IndexSet) -> Bool
```

## See Also

### Testing Set Membership

- [contains(_:)](foundation/indexset/contains(_:).md)
- [contains(integersIn:)](foundation/indexset/contains(integersin:)-sma8.md)
- [intersects(integersIn:)](foundation/indexset/intersects(integersin:)-3sdmv.md)