---
title: "&-(_:_:)"
framework: swift
role: symbol
role_heading: Operator
path: "swift/simd8/&-(_:_:)-9cpsb"
---

# &-(_:_:)

The wrapping difference of two vectors.

## Declaration

```swift
static func &- (a: SIMD8<Scalar>, b: SIMD8<Scalar>) -> SIMD8<Scalar>
```