---
title: "integerLessThan(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/indexset/integerlessthan(_:)"
---

# integerLessThan(_:)

Returns an integer contained in self which is less than integer, or nil if a result could not be found.

## Declaration

```swift
func integerLessThan(_ integer: IndexSet.Element) -> IndexSet.Element?
```

## See Also

### Finding Elements

- [integerLessThanOrEqualTo(_:)](foundation/indexset/integerlessthanorequalto(_:).md)
- [integerGreaterThan(_:)](foundation/indexset/integergreaterthan(_:).md)
- [integerGreaterThanOrEqualTo(_:)](foundation/indexset/integergreaterthanorequalto(_:).md)