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

# Sequence Implementations

## Topics

### Structures

- [LazyFilterSequence.Iterator](swift/lazyfiltersequence/iterator.md)

### Instance Properties

- [underestimatedCount](swift/lazyfiltersequence/underestimatedcount-1cznw.md)

### Instance Methods

- [allSatisfy(_:)](swift/lazyfiltersequence/allsatisfy(_:).md)
- [compactMap(_:)](swift/lazyfiltersequence/compactmap(_:)-9rnux.md)
- [contains(_:)](swift/lazyfiltersequence/contains(_:).md)
- [contains(where:)](swift/lazyfiltersequence/contains(where:).md)
- [count(where:)](swift/lazyfiltersequence/count(where:).md)
- [dropFirst(_:)](swift/lazyfiltersequence/dropfirst(_:).md)
- [dropLast(_:)](swift/lazyfiltersequence/droplast(_:).md)
- [elementsEqual(_:)](swift/lazyfiltersequence/elementsequal(_:).md)
- [elementsEqual(_:by:)](swift/lazyfiltersequence/elementsequal(_:by:).md)
- [enumerated()](swift/lazyfiltersequence/enumerated().md)
- [first(where:)](swift/lazyfiltersequence/first(where:).md)
- [flatMap(_:)](swift/lazyfiltersequence/flatmap(_:)-890fi.md)
- [flatMap(_:)](swift/lazyfiltersequence/flatmap(_:)-8kd85.md)
- [forEach(_:)](swift/lazyfiltersequence/foreach(_:).md)
- [joined()](swift/lazyfiltersequence/joined()-1secb.md)
- [joined(separator:)](swift/lazyfiltersequence/joined(separator:)-7hl5i.md)
- [joined(separator:)](swift/lazyfiltersequence/joined(separator:)-8964t.md)
- [lexicographicallyPrecedes(_:)](swift/lazyfiltersequence/lexicographicallyprecedes(_:).md)
- [lexicographicallyPrecedes(_:by:)](swift/lazyfiltersequence/lexicographicallyprecedes(_:by:).md)
- [makeIterator()](swift/lazyfiltersequence/makeiterator().md)
- [map(_:)](swift/lazyfiltersequence/map(_:)-7bv79.md)
- [max()](swift/lazyfiltersequence/max().md)
- [max(by:)](swift/lazyfiltersequence/max(by:).md)
- [min()](swift/lazyfiltersequence/min().md)
- [min(by:)](swift/lazyfiltersequence/min(by:).md)
- [prefix(_:)](swift/lazyfiltersequence/prefix(_:).md)
- [reduce(_:_:)](swift/lazyfiltersequence/reduce(_:_:).md)
- [reduce(into:_:)](swift/lazyfiltersequence/reduce(into:_:).md)
- [reversed()](swift/lazyfiltersequence/reversed().md)
- [shuffled()](swift/lazyfiltersequence/shuffled().md)
- [shuffled(using:)](swift/lazyfiltersequence/shuffled(using:).md)
- [sorted()](swift/lazyfiltersequence/sorted().md)
- [sorted(by:)](swift/lazyfiltersequence/sorted(by:).md)
- [split(maxSplits:omittingEmptySubsequences:whereSeparator:)](swift/lazyfiltersequence/split(maxsplits:omittingemptysubsequences:whereseparator:).md)
- [split(separator:maxSplits:omittingEmptySubsequences:)](swift/lazyfiltersequence/split(separator:maxsplits:omittingemptysubsequences:)-4wnc3.md)
- [starts(with:)](swift/lazyfiltersequence/starts(with:).md)
- [starts(with:by:)](swift/lazyfiltersequence/starts(with:by:).md)
- [suffix(_:)](swift/lazyfiltersequence/suffix(_:).md)
- [withContiguousStorageIfAvailable(_:)](swift/lazyfiltersequence/withcontiguousstorageifavailable(_:).md)

### Type Aliases

- [LazyFilterSequence.Element](swift/lazyfiltersequence/element.md)