From 5506ac33cf36da5c04f5a36f9cff10e9f94f2ccf Mon Sep 17 00:00:00 2001
From: Gengen Wang <35788677+XuGuangnian@users.noreply.github.com>
Date: Mon, 13 Nov 2023 13:53:40 +0800
Subject: [PATCH 1/2] fix cargo expand in macro.md
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与前文不符，应使用 `cargo expand --bin hello_macro` in hello_macro root directory
---
 src/advance/macro.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/advance/macro.md b/src/advance/macro.md
index 31cddee5..1aa43aab 100644
--- a/src/advance/macro.md
+++ b/src/advance/macro.md
@@ -451,7 +451,7 @@ fn impl_hello_macro(ast: &syn::DeriveInput) -> TokenStream {
 
 在运行之前，可以显示用 expand 展开宏，观察是否有错误或是否符合预期:
 ```shell
-$ cargo expand --lib hello_macro
+$ cargo expand --bin hello_macro
 ```
 ```rust
 struct Sunfei;

From 21424765409293da90ad9502aa7add973d3f5b33 Mon Sep 17 00:00:00 2001
From: Sunface <issunface@gmail.com>
Date: Thu, 16 Nov 2023 13:09:36 +0800
Subject: [PATCH 2/2] Update src/advance/macro.md

---
 src/advance/macro.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/advance/macro.md b/src/advance/macro.md
index 1aa43aab..92570a8c 100644
--- a/src/advance/macro.md
+++ b/src/advance/macro.md
@@ -449,7 +449,7 @@ fn impl_hello_macro(ast: &syn::DeriveInput) -> TokenStream {
 - `#name` 可能是一个表达式，我们需要它的字面值形式
 - 可以减少一次 `String` 带来的内存分配
 
-在运行之前，可以显示用 expand 展开宏，观察是否有错误或是否符合预期:
+在运行之前，可以先用 expand 展开宏，观察是否有错误或符合预期:
 ```shell
 $ cargo expand --bin hello_macro
 ```