---
title: Substring.UTF8View.SubSequence
framework: swift
role: symbol
role_heading: Type Alias
path: swift/substring/utf8view/subsequence
---

# Substring.UTF8View.SubSequence

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

## Declaration

```swift
typealias SubSequence = Substring.UTF8View
```

## Discussion

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