---
title: MTLDataType.bool4
framework: metal
role: symbol
role_heading: Case
path: metal/mtldatatype/bool4
---

# MTLDataType.bool4

A four-component Boolean vector.

## Declaration

```swift
case bool4
```

## See Also

### Boolean types

- [MTLDataType.bool](metal/mtldatatype/bool.md)
- [MTLDataType.bool2](metal/mtldatatype/bool2.md)
- [MTLDataType.bool3](metal/mtldatatype/bool3.md)