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

# Sequence Implementations

## Topics

### Instance Properties

- [underestimatedCount](swift/lazysequence/underestimatedcount.md)

### Instance Methods

- [allSatisfy(_:)](swift/lazysequence/allsatisfy(_:).md)
- [compactMap(_:)](swift/lazysequence/compactmap(_:)-420ej.md)
- [contains(_:)](swift/lazysequence/contains(_:).md)
- [contains(where:)](swift/lazysequence/contains(where:).md)
- [count(where:)](swift/lazysequence/count(where:).md)
- [dropFirst(_:)](swift/lazysequence/dropfirst(_:).md)
- [dropLast(_:)](swift/lazysequence/droplast(_:).md)
- [elementsEqual(_:)](swift/lazysequence/elementsequal(_:).md)
- [elementsEqual(_:by:)](swift/lazysequence/elementsequal(_:by:).md)
- [enumerated()](swift/lazysequence/enumerated().md)
- [first(where:)](swift/lazysequence/first(where:).md)
- [flatMap(_:)](swift/lazysequence/flatmap(_:)-6y096.md)
- [flatMap(_:)](swift/lazysequence/flatmap(_:)-8fefz.md)
- [forEach(_:)](swift/lazysequence/foreach(_:).md)
- [joined()](swift/lazysequence/joined()-2ibvq.md)
- [joined(separator:)](swift/lazysequence/joined(separator:)-26r7k.md)
- [joined(separator:)](swift/lazysequence/joined(separator:)-7b5x0.md)
- [lexicographicallyPrecedes(_:)](swift/lazysequence/lexicographicallyprecedes(_:).md)
- [lexicographicallyPrecedes(_:by:)](swift/lazysequence/lexicographicallyprecedes(_:by:).md)
- [map(_:)](swift/lazysequence/map(_:)-31x8w.md)
- [max()](swift/lazysequence/max().md)
- [max(by:)](swift/lazysequence/max(by:).md)
- [min()](swift/lazysequence/min().md)
- [min(by:)](swift/lazysequence/min(by:).md)
- [prefix(_:)](swift/lazysequence/prefix(_:).md)
- [reduce(_:_:)](swift/lazysequence/reduce(_:_:).md)
- [reduce(into:_:)](swift/lazysequence/reduce(into:_:).md)
- [reversed()](swift/lazysequence/reversed().md)
- [shuffled()](swift/lazysequence/shuffled().md)
- [shuffled(using:)](swift/lazysequence/shuffled(using:).md)
- [sorted()](swift/lazysequence/sorted().md)
- [sorted(by:)](swift/lazysequence/sorted(by:).md)
- [split(maxSplits:omittingEmptySubsequences:whereSeparator:)](swift/lazysequence/split(maxsplits:omittingemptysubsequences:whereseparator:).md)
- [split(separator:maxSplits:omittingEmptySubsequences:)](swift/lazysequence/split(separator:maxsplits:omittingemptysubsequences:)-3ls1g.md)
- [starts(with:)](swift/lazysequence/starts(with:).md)
- [starts(with:by:)](swift/lazysequence/starts(with:by:).md)
- [suffix(_:)](swift/lazysequence/suffix(_:).md)
- [withContiguousStorageIfAvailable(_:)](swift/lazysequence/withcontiguousstorageifavailable(_:).md)

### Type Aliases

- [LazySequence.Element](swift/lazysequence/element.md)