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

# Collection Implementations

## Topics

### Structures

- [LazyPrefixWhileSequence.Index](swift/lazyprefixwhilesequence/index.md)

### Instance Properties

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

### Instance Methods

- [distance(from:to:)](swift/lazyprefixwhilesequence/distance(from:to:)-5ytzv.md)
- [firstIndex(of:)](swift/lazyprefixwhilesequence/firstindex(of:).md)
- [firstIndex(where:)](swift/lazyprefixwhilesequence/firstindex(where:).md)
- [formIndex(_:offsetBy:)](swift/lazyprefixwhilesequence/formindex(_:offsetby:).md)
- [formIndex(_:offsetBy:limitedBy:)](swift/lazyprefixwhilesequence/formindex(_:offsetby:limitedby:).md)
- [formIndex(after:)](swift/lazyprefixwhilesequence/formindex(after:).md)
- [index(_:offsetBy:)](swift/lazyprefixwhilesequence/index(_:offsetby:)-2y8r8.md)
- [index(_:offsetBy:limitedBy:)](swift/lazyprefixwhilesequence/index(_:offsetby:limitedby:)-279cj.md)
- [index(after:)](swift/lazyprefixwhilesequence/index(after:).md)
- [index(of:)](swift/lazyprefixwhilesequence/index(of:).md)
- [indices(of:)](swift/lazyprefixwhilesequence/indices(of:).md)
- [indices(where:)](swift/lazyprefixwhilesequence/indices(where:).md)
- [map(_:)](swift/lazyprefixwhilesequence/map(_:)-69szl.md)
- [prefix(through:)](swift/lazyprefixwhilesequence/prefix(through:).md)
- [prefix(upTo:)](swift/lazyprefixwhilesequence/prefix(upto:).md)
- [randomElement()](swift/lazyprefixwhilesequence/randomelement().md)
- [randomElement(using:)](swift/lazyprefixwhilesequence/randomelement(using:).md)
- [removingSubranges(_:)](swift/lazyprefixwhilesequence/removingsubranges(_:).md)
- [split(separator:maxSplits:omittingEmptySubsequences:)](swift/lazyprefixwhilesequence/split(separator:maxsplits:omittingemptysubsequences:)-1na6p.md)
- [suffix(from:)](swift/lazyprefixwhilesequence/suffix(from:).md)

### Subscripts

- [subscript(_:)](swift/lazyprefixwhilesequence/subscript(_:).md)
- [subscript(_:)](swift/lazyprefixwhilesequence/subscript(_:)-1oo1v.md)
- [subscript(_:)](swift/lazyprefixwhilesequence/subscript(_:)-59k49.md)
- [subscript(_:)](swift/lazyprefixwhilesequence/subscript(_:)-75yeo.md)
- [subscript(_:)](swift/lazyprefixwhilesequence/subscript(_:)-9tkrc.md)

### Type Aliases

- [LazyPrefixWhileSequence.Indices](swift/lazyprefixwhilesequence/indices.md)
- [LazyPrefixWhileSequence.SubSequence](swift/lazyprefixwhilesequence/subsequence.md)