---
title: "withUnsafeBufferPointer(_:)"
framework: accelerate
role: symbol
role_heading: Instance Method
path: "accelerate/acceleratematrixbuffer/withunsafebufferpointer(_:)"
---

# withUnsafeBufferPointer(_:)

## Declaration

```swift
func withUnsafeBufferPointer<R>(_ body: (UnsafeBufferPointer<Self.Element>) throws -> R) rethrows -> R
```