---
title: AdditiveArithmetic Implementations
framework: swift
role: collectionGroup
role_heading: API Collection
path: swift/duration/additivearithmetic-implementations
---

# AdditiveArithmetic Implementations

## Topics

### Operators

- [+(_:)](swift/duration/+(_:).md)
- [+(_:_:)](swift/duration/+(_:_:).md)
- [+=(_:_:)](swift/duration/+=(_:_:).md)
- [+=(_:_:)](swift/duration/+=(_:_:)-4dm12.md)
- [-(_:_:)](swift/duration/-(_:_:).md)
- [-=(_:_:)](swift/duration/-=(_:_:).md)
- [-=(_:_:)](swift/duration/-=(_:_:)-8vzo7.md)

### Type Properties

- [zero](swift/duration/zero.md)