---
title: "&-(_:_:)"
framework: swift
role: symbol
role_heading: Operator
path: "swift/simd64/&-(_:_:)-6c1vz"
---

# &-(_:_:)

The wrapping difference of two vectors.

## Declaration

```swift
static func &- (a: SIMD64<Scalar>, b: SIMD64<Scalar>) -> SIMD64<Scalar>
```