Add rust annotation to doctest

2021-10-27 13:04:42 -05:00
parent c0f14cb930
commit aa853bd317
1 changed files with 1 additions and 1 deletions
--- a/library/std/src/error.rs
+++ b/library/std/src/error.rs
@@ -814,7 +814,7 @@ impl dyn Error + Send + Sync {
 ///
 /// # Examples
 ///
-/// ```
+/// ```rust
 /// #![feature(error_reporter)]
 /// #![feature(negative_impls)]
 ///