From 5ae1407ef14d10406c1444a9ca092a6a415e6db4 Mon Sep 17 00:00:00 2001
From: lalala-233 <2317987274@qq.com>
Date: Fri, 14 Jun 2024 17:17:26 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E7=A4=BA=E4=BE=8B?=
 =?UTF-8?q?=E4=BB=A3=E7=A0=81=E4=B8=8E=E6=96=87=E6=9C=AC=E7=9A=84=E4=B8=8D?=
 =?UTF-8?q?=E5=8C=B9=E9=85=8D?=
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---
 src/advance/into-types/sized.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/advance/into-types/sized.md b/src/advance/into-types/sized.md
index f8bd88bf..3441991e 100644
--- a/src/advance/into-types/sized.md
+++ b/src/advance/into-types/sized.md
@@ -59,7 +59,7 @@ Rust 需要明确地知道一个特定类型的值占据了多少内存空间，
 ```rust
 fn foobar_1(thing: &dyn MyThing) {}     // OK
 fn foobar_2(thing: Box<dyn MyThing>) {} // OK
-fn foobar_3(thing: MyThing) {}          // ERROR!
+fn foobar_3(thing: dyn MyThing) {}      // ERROR!
 ```
 
 如上所示，只能通过引用或 `Box` 的方式来使用特征对象，直接使用将报错！