Add link to documentation about feature gates

2021-11-02 15:30:28 +01:00 · 2021-11-02 15:30:28 +01:00 · eb23a7333f
commit eb23a7333f
parent 597f889e45
1 changed files with 3 additions and 0 deletions
--- a/compiler/rustc_feature/src/active.rs
+++ b/compiler/rustc_feature/src/active.rs
@ -101,6 +101,9 @@ pub fn set(&self, features: &mut Features, span: Span) {
    }
 }

+// See https://rustc-dev-guide.rust-lang.org/feature-gates.html#feature-gates for more
+// documentation about handling feature gates.
+//
 // If you change this, please modify `src/doc/unstable-book` as well.
 //
 // Don't ever remove anything from this list; move them to `accepted.rs` if