---
title: "&-(_:_:)"
framework: swift
role: symbol
role_heading: Operator
path: "swift/simd3/&-(_:_:)-4ct33"
---

# &-(_:_:)

The wrapping difference of two vectors.

## Declaration

```swift
static func &- (a: SIMD3<Scalar>, b: SIMD3<Scalar>) -> SIMD3<Scalar>
```