---
title: MTLDeviceError.Code.none
framework: Metal
role: symbol
role_heading: Case
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/code/none
---

# MTLDeviceError.Code.none

Indicates the absence of any problems.

## Declaration

```swift
case none
```