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

# BidirectionalCollection Implementations

## Topics

### Instance Properties

- [last](swift/enumeratedsequence/last.md)

### Instance Methods

- [difference(from:by:)](swift/enumeratedsequence/difference(from:by:).md)
- [distance(from:to:)](swift/enumeratedsequence/distance(from:to:)-90p1a.md)
- [formIndex(before:)](swift/enumeratedsequence/formindex(before:).md)
- [index(_:offsetBy:)](swift/enumeratedsequence/index(_:offsetby:)-5oheh.md)
- [index(_:offsetBy:limitedBy:)](swift/enumeratedsequence/index(_:offsetby:limitedby:)-3spm1.md)
- [index(before:)](swift/enumeratedsequence/index(before:).md)
- [last(where:)](swift/enumeratedsequence/last(where:).md)
- [lastIndex(where:)](swift/enumeratedsequence/lastindex(where:).md)