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

# BidirectionalCollection Implementations

## Topics

### Structures

- [ReversedCollection.Index](swift/reversedcollection/index.md)

### Instance Properties

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

### Instance Methods

- [difference(from:)](swift/reversedcollection/difference(from:).md)
- [difference(from:by:)](swift/reversedcollection/difference(from:by:).md)
- [distance(from:to:)](swift/reversedcollection/distance(from:to:).md)
- [dropLast(_:)](swift/reversedcollection/droplast(_:).md)
- [formIndex(before:)](swift/reversedcollection/formindex(before:).md)
- [index(_:offsetBy:)](swift/reversedcollection/index(_:offsetby:).md)
- [index(_:offsetBy:limitedBy:)](swift/reversedcollection/index(_:offsetby:limitedby:).md)
- [index(after:)](swift/reversedcollection/index(after:).md)
- [index(before:)](swift/reversedcollection/index(before:).md)
- [joined(separator:)](swift/reversedcollection/joined(separator:)-3e82c.md)
- [last(where:)](swift/reversedcollection/last(where:).md)
- [lastIndex(of:)](swift/reversedcollection/lastindex(of:).md)
- [lastIndex(where:)](swift/reversedcollection/lastindex(where:).md)
- [suffix(_:)](swift/reversedcollection/suffix(_:).md)