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

# BidirectionalCollection Implementations

## Topics

### Instance Properties

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

### Instance Methods

- [difference(from:)](swift/arrayslice/difference(from:).md)
- [difference(from:by:)](swift/arrayslice/difference(from:by:).md)
- [dropLast(_:)](swift/arrayslice/droplast(_:).md)
- [joined(separator:)](swift/arrayslice/joined(separator:)-9k2fw.md)
- [last(where:)](swift/arrayslice/last(where:).md)
- [lastIndex(of:)](swift/arrayslice/lastindex(of:).md)
- [lastIndex(where:)](swift/arrayslice/lastindex(where:).md)
- [popLast()](swift/arrayslice/poplast()-3t0h0.md)
- [removeLast()](swift/arrayslice/removelast()-2ndpz.md)
- [removeLast(_:)](swift/arrayslice/removelast(_:)-8vsvg.md)
- [reversed()](swift/arrayslice/reversed().md)
- [suffix(_:)](swift/arrayslice/suffix(_:).md)