---
title: "simd_make_uchar8_undef(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_make_uchar8_undef(_:)-14ngi"
---

# simd_make_uchar8_undef(_:)

Returns a new vector from the specified three-element vector, and other elements undefined.

## Declaration

```swift
func simd_make_uchar8_undef(_ other: simd_uchar3) -> simd_uchar8
```

## See Also

### Functions to Create Eight-Element Vectors From Other Vectors

- [simd_make_uchar8(_:)](simd/simd_make_uchar8(_:)-5zumf.md)
- [simd_make_uchar8(_:)](simd/simd_make_uchar8(_:)-62sn2.md)
- [simd_make_uchar8(_:)](simd/simd_make_uchar8(_:)-65qph.md)
- [simd_make_uchar8(_:)](simd/simd_make_uchar8(_:)-51mi9.md)
- [simd_make_uchar8(_:)](simd/simd_make_uchar8(_:)-5p2su.md)
- [simd_make_uchar8(_:)](simd/simd_make_uchar8(_:)-6svfy.md)
- [simd_make_uchar8(_:)](simd/simd_make_uchar8(_:)-75pea.md)
- [simd_make_uchar8(_:_:)](simd/simd_make_uchar8(_:_:).md)
- [simd_make_uchar8_undef(_:)](simd/simd_make_uchar8_undef(_:)-19t4r.md)
- [simd_make_uchar8_undef(_:)](simd/simd_make_uchar8_undef(_:)-ovyp.md)