---
title: Sequence Implementations
framework: swift
role: collectionGroup
role_heading: API Collection
path: swift/emptycollection/sequence-implementations
---

# Sequence Implementations

## Topics

### Structures

- [EmptyCollection.Iterator](swift/emptycollection/iterator.md)

### Instance Properties

- [lazy](swift/emptycollection/lazy.md)

### Instance Methods

- [allSatisfy(_:)](swift/emptycollection/allsatisfy(_:).md)
- [compactMap(_:)](swift/emptycollection/compactmap(_:).md)
- [contains(_:)](swift/emptycollection/contains(_:).md)
- [contains(where:)](swift/emptycollection/contains(where:).md)
- [count(where:)](swift/emptycollection/count(where:).md)
- [elementsEqual(_:)](swift/emptycollection/elementsequal(_:).md)
- [elementsEqual(_:by:)](swift/emptycollection/elementsequal(_:by:).md)
- [enumerated()](swift/emptycollection/enumerated().md)
- [filter(_:)](swift/emptycollection/filter(_:).md)
- [first(where:)](swift/emptycollection/first(where:).md)
- [flatMap(_:)](swift/emptycollection/flatmap(_:)-2c6m.md)
- [flatMap(_:)](swift/emptycollection/flatmap(_:)-5fdv6.md)
- [forEach(_:)](swift/emptycollection/foreach(_:).md)
- [joined()](swift/emptycollection/joined().md)
- [joined(separator:)](swift/emptycollection/joined(separator:)-7oert.md)
- [joined(separator:)](swift/emptycollection/joined(separator:)-91j18.md)
- [lexicographicallyPrecedes(_:)](swift/emptycollection/lexicographicallyprecedes(_:).md)
- [lexicographicallyPrecedes(_:by:)](swift/emptycollection/lexicographicallyprecedes(_:by:).md)
- [makeIterator()](swift/emptycollection/makeiterator().md)
- [map(_:)](swift/emptycollection/map(_:)-9jbvb.md)
- [max()](swift/emptycollection/max().md)
- [max(by:)](swift/emptycollection/max(by:).md)
- [min()](swift/emptycollection/min().md)
- [min(by:)](swift/emptycollection/min(by:).md)
- [reduce(_:_:)](swift/emptycollection/reduce(_:_:).md)
- [reduce(into:_:)](swift/emptycollection/reduce(into:_:).md)
- [shuffled()](swift/emptycollection/shuffled().md)
- [shuffled(using:)](swift/emptycollection/shuffled(using:).md)
- [sorted()](swift/emptycollection/sorted().md)
- [sorted(by:)](swift/emptycollection/sorted(by:).md)
- [split(separator:maxSplits:omittingEmptySubsequences:)](swift/emptycollection/split(separator:maxsplits:omittingemptysubsequences:)-4y9zq.md)
- [starts(with:)](swift/emptycollection/starts(with:).md)
- [starts(with:by:)](swift/emptycollection/starts(with:by:).md)
- [withContiguousStorageIfAvailable(_:)](swift/emptycollection/withcontiguousstorageifavailable(_:).md)