assert2-macros 0.3.16

procedural macros for assert2
Documentation 
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use rustc_version::{version_meta, Channel};

fn main() {
	println!("cargo:rustc-check-cfg=cfg(nightly)");
	if version_meta().unwrap().channel <= Channel::Nightly {
		println!("cargo:rustc-cfg=nightly");
	}
}