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

# Sequence Implementations

## Topics

### Structures

- [EnumeratedSequence.Iterator](swift/enumeratedsequence/iterator.md)

### Instance Properties

- [lazy](swift/enumeratedsequence/lazy.md)
- [underestimatedCount](swift/enumeratedsequence/underestimatedcount.md)

### Instance Methods

- [allSatisfy(_:)](swift/enumeratedsequence/allsatisfy(_:).md)
- [compactMap(_:)](swift/enumeratedsequence/compactmap(_:).md)
- [contains(where:)](swift/enumeratedsequence/contains(where:).md)
- [count(where:)](swift/enumeratedsequence/count(where:).md)
- [drop(while:)](swift/enumeratedsequence/drop(while:).md)
- [dropFirst(_:)](swift/enumeratedsequence/dropfirst(_:).md)
- [dropLast(_:)](swift/enumeratedsequence/droplast(_:).md)
- [elementsEqual(_:by:)](swift/enumeratedsequence/elementsequal(_:by:).md)
- [enumerated()](swift/enumeratedsequence/enumerated().md)
- [filter(_:)](swift/enumeratedsequence/filter(_:).md)
- [first(where:)](swift/enumeratedsequence/first(where:).md)
- [flatMap(_:)](swift/enumeratedsequence/flatmap(_:)-4t5x2.md)
- [flatMap(_:)](swift/enumeratedsequence/flatmap(_:)-6gcbi.md)
- [forEach(_:)](swift/enumeratedsequence/foreach(_:).md)
- [lexicographicallyPrecedes(_:by:)](swift/enumeratedsequence/lexicographicallyprecedes(_:by:).md)
- [makeIterator()](swift/enumeratedsequence/makeiterator().md)
- [map(_:)](swift/enumeratedsequence/map(_:)-2mfl2.md)
- [max(by:)](swift/enumeratedsequence/max(by:).md)
- [min(by:)](swift/enumeratedsequence/min(by:).md)
- [prefix(_:)](swift/enumeratedsequence/prefix(_:).md)
- [prefix(while:)](swift/enumeratedsequence/prefix(while:).md)
- [reduce(_:_:)](swift/enumeratedsequence/reduce(_:_:).md)
- [reduce(into:_:)](swift/enumeratedsequence/reduce(into:_:).md)
- [reversed()](swift/enumeratedsequence/reversed().md)
- [shuffled()](swift/enumeratedsequence/shuffled().md)
- [shuffled(using:)](swift/enumeratedsequence/shuffled(using:).md)
- [sorted(by:)](swift/enumeratedsequence/sorted(by:).md)
- [split(maxSplits:omittingEmptySubsequences:whereSeparator:)](swift/enumeratedsequence/split(maxsplits:omittingemptysubsequences:whereseparator:).md)
- [starts(with:by:)](swift/enumeratedsequence/starts(with:by:).md)
- [suffix(_:)](swift/enumeratedsequence/suffix(_:).md)
- [withContiguousStorageIfAvailable(_:)](swift/enumeratedsequence/withcontiguousstorageifavailable(_:).md)

### Type Aliases

- [EnumeratedSequence.Element](swift/enumeratedsequence/element.md)