From a7a86824fa90172340e20053be5e6f217cc466fe Mon Sep 17 00:00:00 2001
From: Yotam Ofek <yotam.ofek@gmail.com>
Date: Sat, 30 Mar 2024 23:14:03 +0300
Subject: [PATCH] Fix clippy warning in procedural macro example

I copy+pasted this example into my code and the `clippy::to_string_in_format_args` lint fired.
---
 src/procedural-macros.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/procedural-macros.md b/src/procedural-macros.md
index 7d69ab7..32b847c 100644
--- a/src/procedural-macros.md
+++ b/src/procedural-macros.md
@@ -234,8 +234,8 @@ shown in the comments after the function prefixed with "out:".
 
 #[proc_macro_attribute]
 pub fn show_streams(attr: TokenStream, item: TokenStream) -> TokenStream {
-    println!("attr: \"{}\"", attr.to_string());
-    println!("item: \"{}\"", item.to_string());
+    println!("attr: \"{attr}\"");
+    println!("item: \"{item}\"");
     item
 }
 ```