---
title: ContiguousArray.SubSequence
framework: swift
role: symbol
role_heading: Type Alias
path: swift/contiguousarray/subsequence
---

# ContiguousArray.SubSequence

A collection representing a contiguous subrange of this collection’s elements. The subsequence shares indices with the original collection.

## Declaration

```swift
typealias SubSequence = ArraySlice<Element>
```

## Discussion

Discussion The default subsequence type for collections that don’t define their own is Slice.