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

# Collection Implementations

## Topics

### Instance Properties

- [count](swift/defaultindices/count.md)
- [endIndex](swift/defaultindices/endindex.md)
- [first](swift/defaultindices/first.md)
- [indices](swift/defaultindices/indices-swift.property.md)
- [isEmpty](swift/defaultindices/isempty.md)
- [startIndex](swift/defaultindices/startindex.md)
- [underestimatedCount](swift/defaultindices/underestimatedcount.md)

### Instance Methods

- [distance(from:to:)](swift/defaultindices/distance(from:to:).md)
- [drop(while:)](swift/defaultindices/drop(while:).md)
- [dropFirst(_:)](swift/defaultindices/dropfirst(_:).md)
- [dropLast(_:)](swift/defaultindices/droplast(_:).md)
- [firstIndex(of:)](swift/defaultindices/firstindex(of:).md)
- [firstIndex(where:)](swift/defaultindices/firstindex(where:).md)
- [formIndex(_:offsetBy:)](swift/defaultindices/formindex(_:offsetby:).md)
- [formIndex(_:offsetBy:limitedBy:)](swift/defaultindices/formindex(_:offsetby:limitedby:).md)
- [formIndex(after:)](swift/defaultindices/formindex(after:).md)
- [index(_:offsetBy:)](swift/defaultindices/index(_:offsetby:).md)
- [index(_:offsetBy:limitedBy:)](swift/defaultindices/index(_:offsetby:limitedby:).md)
- [index(after:)](swift/defaultindices/index(after:).md)
- [index(of:)](swift/defaultindices/index(of:).md)
- [indices(of:)](swift/defaultindices/indices(of:).md)
- [indices(where:)](swift/defaultindices/indices(where:).md)
- [makeIterator()](swift/defaultindices/makeiterator().md)
- [map(_:)](swift/defaultindices/map(_:)-5p6p7.md)
- [popFirst()](swift/defaultindices/popfirst().md)
- [prefix(_:)](swift/defaultindices/prefix(_:).md)
- [prefix(through:)](swift/defaultindices/prefix(through:).md)
- [prefix(upTo:)](swift/defaultindices/prefix(upto:).md)
- [prefix(while:)](swift/defaultindices/prefix(while:).md)
- [randomElement()](swift/defaultindices/randomelement().md)
- [randomElement(using:)](swift/defaultindices/randomelement(using:).md)
- [removeFirst()](swift/defaultindices/removefirst().md)
- [removeFirst(_:)](swift/defaultindices/removefirst(_:).md)
- [removingSubranges(_:)](swift/defaultindices/removingsubranges(_:).md)
- [split(maxSplits:omittingEmptySubsequences:whereSeparator:)](swift/defaultindices/split(maxsplits:omittingemptysubsequences:whereseparator:).md)
- [split(separator:maxSplits:omittingEmptySubsequences:)](swift/defaultindices/split(separator:maxsplits:omittingemptysubsequences:).md)
- [suffix(_:)](swift/defaultindices/suffix(_:).md)
- [suffix(from:)](swift/defaultindices/suffix(from:).md)

### Subscripts

- [subscript(_:)](swift/defaultindices/subscript(_:)-1grsk.md)
- [subscript(_:)](swift/defaultindices/subscript(_:)-392od.md)
- [subscript(_:)](swift/defaultindices/subscript(_:)-4ala2.md)
- [subscript(_:)](swift/defaultindices/subscript(_:)-4h7sp.md)
- [subscript(_:)](swift/defaultindices/subscript(_:)-8o3ct.md)

### Type Aliases

- [DefaultIndices.Index](swift/defaultindices/index.md)
- [DefaultIndices.Indices](swift/defaultindices/indices-swift.typealias.md)
- [DefaultIndices.Iterator](swift/defaultindices/iterator.md)
- [DefaultIndices.SubSequence](swift/defaultindices/subsequence.md)