use rustc_version::{version_meta, Channel}; | |
fn main() { | |
let version_meta = version_meta().unwrap(); | |
// To use nightly features we declare this and then we can use | |
// #[cfg(nightly)] | |
// for nightly only features | |
if version_meta.channel == Channel::Nightly { | |
println!("cargo:rustc-cfg=nightly") | |
} | |
} |