macro_rules! is_arm_feature_detected { ($t:tt) => { ... }; }
Prevents compilation if is_arm_feature_detected
is used somewhere else than ARM
targets.
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/macro.is_arm_feature_detected.html