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

# BidirectionalCollection Implementations

## Topics

### Instance Properties

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

### Instance Methods

- [difference(from:)](swift/contiguousarray/difference(from:).md)
- [difference(from:by:)](swift/contiguousarray/difference(from:by:).md)
- [dropLast(_:)](swift/contiguousarray/droplast(_:).md)
- [joined(separator:)](swift/contiguousarray/joined(separator:)-cdql.md)
- [last(where:)](swift/contiguousarray/last(where:).md)
- [lastIndex(of:)](swift/contiguousarray/lastindex(of:).md)
- [lastIndex(where:)](swift/contiguousarray/lastindex(where:).md)
- [reversed()](swift/contiguousarray/reversed().md)
- [suffix(_:)](swift/contiguousarray/suffix(_:).md)