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

# Sequence Implementations

## Topics

### Structures

- [Dictionary.Iterator](swift/dictionary/iterator.md)

### Instance Properties

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

### Instance Methods

- [allSatisfy(_:)](swift/dictionary/allsatisfy(_:).md)
- [compactMap(_:)](swift/dictionary/compactmap(_:).md)
- [contains(where:)](swift/dictionary/contains(where:).md)
- [count(where:)](swift/dictionary/count(where:).md)
- [elementsEqual(_:by:)](swift/dictionary/elementsequal(_:by:).md)
- [enumerated()](swift/dictionary/enumerated().md)
- [filter(_:)](swift/dictionary/filter(_:)-7pg5l.md)
- [first(where:)](swift/dictionary/first(where:).md)
- [flatMap(_:)](swift/dictionary/flatmap(_:)-6chv9.md)
- [flatMap(_:)](swift/dictionary/flatmap(_:)-i3ly.md)
- [forEach(_:)](swift/dictionary/foreach(_:).md)
- [lexicographicallyPrecedes(_:by:)](swift/dictionary/lexicographicallyprecedes(_:by:).md)
- [makeIterator()](swift/dictionary/makeiterator().md)
- [map(_:)](swift/dictionary/map(_:)-9jnoc.md)
- [max(by:)](swift/dictionary/max(by:).md)
- [min(by:)](swift/dictionary/min(by:).md)
- [reduce(_:_:)](swift/dictionary/reduce(_:_:).md)
- [reduce(into:_:)](swift/dictionary/reduce(into:_:).md)
- [reversed()](swift/dictionary/reversed().md)
- [shuffled()](swift/dictionary/shuffled().md)
- [shuffled(using:)](swift/dictionary/shuffled(using:).md)
- [sorted(by:)](swift/dictionary/sorted(by:).md)
- [starts(with:by:)](swift/dictionary/starts(with:by:).md)
- [withContiguousStorageIfAvailable(_:)](swift/dictionary/withcontiguousstorageifavailable(_:).md)