---
title: CFComparisonResult.compareLessThan
framework: corefoundation
role: symbol
role_heading: Case
path: corefoundation/cfcomparisonresult/comparelessthan
---

# CFComparisonResult.compareLessThan

Returned by a comparison function if the first value is less than the second value.

## Declaration

```swift
case compareLessThan
```

## See Also

### Constants

- [CFComparisonResult.compareEqualTo](corefoundation/cfcomparisonresult/compareequalto.md)
- [CFComparisonResult.compareGreaterThan](corefoundation/cfcomparisonresult/comparegreaterthan.md)