From 5b4cdbf0914627e8cf3d432fdc12cba60a7ba460 Mon Sep 17 00:00:00 2001
From: Yumeoto Zorin <zorin@zorin.icu>
Date: Fri, 28 Oct 2022 20:29:25 +0800
Subject: [PATCH] Update errors.md
MIME-Version: 1.0
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添加缺失的`dyn`关键字
---
 src/advance/errors.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/advance/errors.md b/src/advance/errors.md
index c593f520..f9b995a3 100644
--- a/src/advance/errors.md
+++ b/src/advance/errors.md
@@ -277,7 +277,7 @@ fn main() {
 use std::fmt::{Debug, Display};
 
 pub trait Error: Debug + Display {
-    fn source(&self) -> Option<&(Error + 'static)> { ... }
+    fn source(&self) -> Option<&(dyn Error + 'static)> { ... }
 }
 ```