use rustc_version::{version_meta, Channel};
fn main() {
println!("cargo::rustc-check-cfg=cfg(NIGHTLY_CHANNEL)");
// note if we're on the nightly channel so we can enable doc_auto_cfg if so
if let Channel::Nightly = version_meta().unwrap().channel {
println!("cargo:rustc-cfg=NIGHTLY_CHANNEL");
}
}