---
title: simd_packed_uchar4
framework: simd
role: symbol
role_heading: Type Alias
path: simd/simd_packed_uchar4
---

# simd_packed_uchar4

A packed vector of four 8-bit unsigned integer elements.

## Declaration

```swift
typealias simd_packed_uchar4 = SIMD4<UInt8>
```

## Topics

### Alternative Type Alias

- [packed_uchar4](simd/packed_uchar4.md)

## See Also

### Packed Vector Data Types

- [simd_packed_uchar2](simd/simd_packed_uchar2.md)
- [simd_packed_uchar8](simd/simd_packed_uchar8.md)
- [simd_packed_uchar16](simd/simd_packed_uchar16.md)
- [simd_packed_uchar32](simd/simd_packed_uchar32.md)
- [simd_packed_uchar64](simd/simd_packed_uchar64.md)