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

# BidirectionalCollection Implementations

## Topics

### Instance Properties

- [endIndex](swift/string/unicodescalarview/endindex.md)
- [last](swift/string/unicodescalarview/last.md)
- [startIndex](swift/string/unicodescalarview/startindex.md)

### Instance Methods

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

### Subscripts

- [subscript(_:)](swift/string/unicodescalarview/subscript(_:)-2op53.md)
- [subscript(_:)](swift/string/unicodescalarview/subscript(_:)-6aml8.md)