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

# Collection Implementations

## Topics

### Structures

- [EnumeratedSequence.Index](swift/enumeratedsequence/index.md)

### Instance Properties

- [count](swift/enumeratedsequence/count.md)
- [count](swift/enumeratedsequence/count-3o2fx.md)
- [endIndex](swift/enumeratedsequence/endindex.md)
- [indices](swift/enumeratedsequence/indices-swift.property.md)
- [isEmpty](swift/enumeratedsequence/isempty.md)
- [isEmpty](swift/enumeratedsequence/isempty-1yllc.md)
- [startIndex](swift/enumeratedsequence/startindex.md)

### Instance Methods

- [distance(from:to:)](swift/enumeratedsequence/distance(from:to:).md)
- [distance(from:to:)](swift/enumeratedsequence/distance(from:to:)-6kmqj.md)
- [firstIndex(where:)](swift/enumeratedsequence/firstindex(where:).md)
- [formIndex(_:offsetBy:)](swift/enumeratedsequence/formindex(_:offsetby:).md)
- [formIndex(_:offsetBy:limitedBy:)](swift/enumeratedsequence/formindex(_:offsetby:limitedby:).md)
- [formIndex(after:)](swift/enumeratedsequence/formindex(after:).md)
- [index(_:offsetBy:)](swift/enumeratedsequence/index(_:offsetby:).md)
- [index(_:offsetBy:)](swift/enumeratedsequence/index(_:offsetby:)-4bcg9.md)
- [index(_:offsetBy:limitedBy:)](swift/enumeratedsequence/index(_:offsetby:limitedby:).md)
- [index(_:offsetBy:limitedBy:)](swift/enumeratedsequence/index(_:offsetby:limitedby:)-4rme3.md)
- [index(after:)](swift/enumeratedsequence/index(after:).md)
- [indices(where:)](swift/enumeratedsequence/indices(where:).md)
- [map(_:)](swift/enumeratedsequence/map(_:)-9le0.md)
- [prefix(through:)](swift/enumeratedsequence/prefix(through:).md)
- [prefix(upTo:)](swift/enumeratedsequence/prefix(upto:).md)
- [randomElement()](swift/enumeratedsequence/randomelement().md)
- [randomElement(using:)](swift/enumeratedsequence/randomelement(using:).md)
- [removingSubranges(_:)](swift/enumeratedsequence/removingsubranges(_:).md)
- [suffix(from:)](swift/enumeratedsequence/suffix(from:).md)

### Subscripts

- [subscript(_:)](swift/enumeratedsequence/subscript(_:).md)
- [subscript(_:)](swift/enumeratedsequence/subscript(_:)-5gng6.md)
- [subscript(_:)](swift/enumeratedsequence/subscript(_:)-7y5my.md)
- [subscript(_:)](swift/enumeratedsequence/subscript(_:)-8ubal.md)
- [subscript(_:)](swift/enumeratedsequence/subscript(_:)-91gqg.md)

### Type Aliases

- [EnumeratedSequence.Indices](swift/enumeratedsequence/indices.md)
- [EnumeratedSequence.SubSequence](swift/enumeratedsequence/subsequence.md)