# enable_if ``` template struct enable_if<1, T>; ``` ## Topics ### Type Aliases [`typedef type-parameter-0-0 type;`](/documentation/DriverKit/libkern/detail/enable_if/type) --- 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)