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# NSCollectionChangeType

The type of change represented in computing the difference of an ordered collection.

```
enum NSCollectionChangeType
```

## Topics

### Types of Ordered Collection Changes

[`NSCollectionChangeInsert`](/documentation/Foundation/NSCollectionChangeType/insert)

A change type that represents the insertion of an object into an ordered collection.

[`NSCollectionChangeRemove`](/documentation/Foundation/NSCollectionChangeType/remove)

A change type that represents the removal of an object from an ordered collection.

## Relationships

### Conforms To

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Sendable`](/documentation/Swift/Sendable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Hashable`](/documentation/Swift/Hashable)

---

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