rustc-ap-rustc_ast 668.0.0

Automatically published version of the package `rustc_ast` in the rust-lang/rust repository from commit 70f9d23b916f2db7da711aa4a0317a218997ba42 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish

Documentation

fn main() {
    println!("cargo:rerun-if-changed=build.rs");
    println!("cargo:rerun-if-env-changed=CFG_RELEASE_CHANNEL");
    println!("cargo:rerun-if-env-changed=CFG_DISABLE_UNSTABLE_FEATURES");
}