---
title: FlattenCollection
framework: swift
role: symbol
role_heading: Type Alias
path: swift/flattencollection
---

# FlattenCollection

## Declaration

```swift
typealias FlattenCollection<T> = FlattenSequence<T> where T : Collection, T.Element : Collection
```

## See Also

### Wrappers for Algorithms

- [CollectionDifference](swift/collectiondifference.md)
- [DropFirstSequence](swift/dropfirstsequence.md)
- [DropWhileSequence](swift/dropwhilesequence.md)
- [EnumeratedSequence](swift/enumeratedsequence.md)
- [FlattenSequence](swift/flattensequence.md)
- [JoinedSequence](swift/joinedsequence.md)
- [PrefixSequence](swift/prefixsequence.md)
- [Repeated](swift/repeated.md)
- [ReversedCollection](swift/reversedcollection.md)
- [StrideTo](swift/strideto.md)
- [StrideThrough](swift/stridethrough.md)
- [UnfoldSequence](swift/unfoldsequence.md)
- [Zip2Sequence](swift/zip2sequence.md)