---
title: CollectionDifference.Change
framework: swift
role: symbol
role_heading: Enumeration
path: swift/collectiondifference/change
---

# CollectionDifference.Change

A single change to a collection.

## Declaration

```swift
@frozen enum Change
```

## Topics

### Enumeration Cases

- [CollectionDifference.Change.insert(offset:element:associatedWith:)](swift/collectiondifference/change/insert(offset:element:associatedwith:).md)
- [CollectionDifference.Change.remove(offset:element:associatedWith:)](swift/collectiondifference/change/remove(offset:element:associatedwith:).md)

### Default Implementations

- [Decodable Implementations](swift/collectiondifference/change/decodable-implementations.md)
- [Encodable Implementations](swift/collectiondifference/change/encodable-implementations.md)
- [Equatable Implementations](swift/collectiondifference/change/equatable-implementations.md)
- [Hashable Implementations](swift/collectiondifference/change/hashable-implementations.md)

## Relationships

### Conforms To

- [Copyable](swift/copyable.md)
- [Decodable](swift/decodable.md)
- [Encodable](swift/encodable.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)