# NDArray.RawView A type-erased immutable view over the memory owned by a tensor. ``` struct RawView ``` ## Topics ### Creating a raw view [`init(bytes: RawSpan, byteOffset: Int, scalarType: NDArray.ScalarType, shape: [Int], strides: [Int], interleaveLayout: NDArray.InterleaveLayout?)`](/documentation/CoreAI/NDArray/RawView/init(bytes:byteOffset:scalarType:shape:strides:interleaveLayout:)) Initialize a raw view from existing raw memory, interpreted as the specified scalar type. [`init(metalBuffer: borrowing any MTLBuffer, byteOffset: Int, scalarType: NDArray.ScalarType, shape: [Int], strides: [Int], interleaveLayout: NDArray.InterleaveLayout?)`](/documentation/CoreAI/NDArray/RawView/init(metalBuffer:byteOffset:scalarType:shape:strides:interleaveLayout:)) Initialize a raw view from an existing metal buffer, interpreted as the specified scalar type. [`init(ioSurface: borrowing IOSurface, byteOffset: Int, scalarType: NDArray.ScalarType, shape: [Int], strides: [Int], interleaveLayout: NDArray.InterleaveLayout?)`](/documentation/CoreAI/NDArray/RawView/init(ioSurface:byteOffset:scalarType:shape:strides:interleaveLayout:)) Initialize a raw view from an existing IOSurface, interpreted as the specified scalar type. ### Inspecting the view [`var scalarType: NDArray.ScalarType`](/documentation/CoreAI/NDArray/RawView/scalarType) [`var shape: Span`](/documentation/CoreAI/NDArray/RawView/shape) The shape of the tensor. [`var strides: Span`](/documentation/CoreAI/NDArray/RawView/strides) The strides of the tensor. [`var bytes: RawSpan`](/documentation/CoreAI/NDArray/RawView/bytes) A span over the backing bytes of this tensor. [`var interleaveLayout: NDArray.InterleaveLayout?`](/documentation/CoreAI/NDArray/RawView/interleaveLayout) Returns which dimension is interleaved, and by what factor it is interleaved. Or returns `nil` if there is not an interleaved dimension. ### Creating typed views [`func view(as: T.Type) -> NDArray.View`](/documentation/CoreAI/NDArray/RawView/view(as:)) Consume this raw view to create a typed view. ### Slicing the view [`func slice(at: [indexRank of any NDArray.RangeExpression]) -> NDArray.RawView`](/documentation/CoreAI/NDArray/RawView/slice(at:)-1gght) Returns a sub-view with the same rank as this view by slicing the dimensions at the provided ranges. [`func slice(at: [any NDArray.RangeExpression]) -> NDArray.RawView`](/documentation/CoreAI/NDArray/RawView/slice(at:)-kd5b) Returns a sub-view with the same rank as this view by slicing the dimensions at the provided ranges. ### Instance Methods [`func withUnsafeBytes((UnsafeRawPointer, Span, Span) throws(E) -> R) throws(E) -> R`](/documentation/CoreAI/NDArray/RawView/withUnsafeBytes(_:)) Invokes the provided closure with the backing data and memory layout of this view. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)