# step(_:edge:) Returns zero for each element in a vector less than a specified edge, and otherwise returns one. ``` func step(_ x: SIMD2, edge: SIMD2) -> SIMD2 ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)