---
title: Collection Implementations
framework: swift
role: collectionGroup
role_heading: API Collection
path: swift/lazyfiltersequence/collection-implementations
---

# Collection Implementations

## Topics

### Instance Properties

- [count](swift/lazyfiltersequence/count.md)
- [endIndex](swift/lazyfiltersequence/endindex.md)
- [indices](swift/lazyfiltersequence/indices-swift.property.md)
- [isEmpty](swift/lazyfiltersequence/isempty.md)
- [startIndex](swift/lazyfiltersequence/startindex.md)

### Instance Methods

- [distance(from:to:)](swift/lazyfiltersequence/distance(from:to:).md)
- [distance(from:to:)](swift/lazyfiltersequence/distance(from:to:)-64w60.md)
- [firstIndex(of:)](swift/lazyfiltersequence/firstindex(of:).md)
- [firstIndex(where:)](swift/lazyfiltersequence/firstindex(where:).md)
- [formIndex(_:offsetBy:)](swift/lazyfiltersequence/formindex(_:offsetby:)-4fulw.md)
- [formIndex(_:offsetBy:limitedBy:)](swift/lazyfiltersequence/formindex(_:offsetby:limitedby:)-94oyz.md)
- [formIndex(after:)](swift/lazyfiltersequence/formindex(after:).md)
- [formIndex(after:)](swift/lazyfiltersequence/formindex(after:)-8eya1.md)
- [index(_:offsetBy:)](swift/lazyfiltersequence/index(_:offsetby:).md)
- [index(_:offsetBy:)](swift/lazyfiltersequence/index(_:offsetby:)-ghrd.md)
- [index(_:offsetBy:limitedBy:)](swift/lazyfiltersequence/index(_:offsetby:limitedby:).md)
- [index(_:offsetBy:limitedBy:)](swift/lazyfiltersequence/index(_:offsetby:limitedby:)-6rs60.md)
- [index(after:)](swift/lazyfiltersequence/index(after:).md)
- [index(of:)](swift/lazyfiltersequence/index(of:).md)
- [indices(of:)](swift/lazyfiltersequence/indices(of:).md)
- [indices(where:)](swift/lazyfiltersequence/indices(where:).md)
- [map(_:)](swift/lazyfiltersequence/map(_:)-8n620.md)
- [prefix(through:)](swift/lazyfiltersequence/prefix(through:).md)
- [prefix(upTo:)](swift/lazyfiltersequence/prefix(upto:).md)
- [randomElement()](swift/lazyfiltersequence/randomelement().md)
- [randomElement(using:)](swift/lazyfiltersequence/randomelement(using:).md)
- [removingSubranges(_:)](swift/lazyfiltersequence/removingsubranges(_:).md)
- [split(separator:maxSplits:omittingEmptySubsequences:)](swift/lazyfiltersequence/split(separator:maxsplits:omittingemptysubsequences:)-f04l.md)
- [suffix(from:)](swift/lazyfiltersequence/suffix(from:).md)

### Subscripts

- [subscript(_:)](swift/lazyfiltersequence/subscript(_:)-4caas.md)
- [subscript(_:)](swift/lazyfiltersequence/subscript(_:)-4syjt.md)
- [subscript(_:)](swift/lazyfiltersequence/subscript(_:)-6uzbx.md)
- [subscript(_:)](swift/lazyfiltersequence/subscript(_:)-7ge85.md)
- [subscript(_:)](swift/lazyfiltersequence/subscript(_:)-lelz.md)

### Type Aliases

- [LazyFilterSequence.Index](swift/lazyfiltersequence/index.md)
- [LazyFilterSequence.Indices](swift/lazyfiltersequence/indices.md)
- [LazyFilterSequence.SubSequence](swift/lazyfiltersequence/subsequence.md)