From 0f0bfc9c2253c44fb826b057e4356bb50e9c704f Mon Sep 17 00:00:00 2001
From: ecstatic-morse <ecstaticmorse@gmail.com>
Date: Thu, 12 Dec 2019 11:10:21 -0800
Subject: [PATCH] Document `Features::enabled`

Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>
---
 src/librustc_feature/active.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/librustc_feature/active.rs b/src/librustc_feature/active.rs
index 20357e5581ab..08b65aff7c93 100644
--- a/src/librustc_feature/active.rs
+++ b/src/librustc_feature/active.rs
@@ -53,6 +53,9 @@ macro_rules! declare_features {
                 $(f(stringify!($feature), self.$feature);)+
             }
 
+            /// Is the given feature enabled?
+            ///
+            /// Panics if the symbol doesn't correspond to a declared feature.
             pub fn enabled(&self, feature: Symbol) -> bool {
                 match feature {
                     $( sym::$feature => self.$feature, )*