-#![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
+#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![feature(in_band_lifetimes)]
#![feature(nll)]
-#![feature(or_patterns)]
#![recursion_limit = "256"]
use rustc_attr as attr;