---
title: none
framework: Metal
role: symbol
role_heading: Type Property
platforms: [iOS 26.4+, iPadOS 26.4+, Mac Catalyst 26.4+, macOS 26.4+, tvOS 26.4+, visionOS 26.4+]
path: metal/mtldeviceerror-swift.struct/none
---

# none

## Declaration

```swift
static var none: MTLDeviceError.Code { get }
```