---
title: "subscript(_:)"
framework: swift
role: symbol
role_heading: Instance Subscript
path: "swift/unsafemutablerawbufferpointer/subscript(_:)-3kwnc"
---

# subscript(_:)

## Declaration

```swift
subscript<R>(r: R) -> Self.SubSequence where R : RangeExpression, Self.Index == R.Bound { get set }
```