From 1915d9abb76609ca8373e1d50b7957ead0b96f79 Mon Sep 17 00:00:00 2001
From: Tetsuharu Ohzeki <tetsuharu.ohzeki@gmail.com>
Date: Sat, 10 Feb 2024 00:59:19 +0900
Subject: [PATCH] tt: Fix warnings about clippy `str_to_string` rule

---
 crates/tt/src/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/tt/src/lib.rs b/crates/tt/src/lib.rs
index b87c7ff475..9004bff53a 100644
--- a/crates/tt/src/lib.rs
+++ b/crates/tt/src/lib.rs
@@ -336,11 +336,11 @@ impl<S> Subtree<S> {
                     };
                     match (it, last) {
                         (Leaf::Ident(_), Some(&TokenTree::Leaf(Leaf::Ident(_)))) => {
-                            " ".to_string() + &s
+                            " ".to_owned() + &s
                         }
                         (Leaf::Punct(_), Some(TokenTree::Leaf(Leaf::Punct(punct)))) => {
                             if punct.spacing == Spacing::Alone {
-                                " ".to_string() + &s
+                                " ".to_owned() + &s
                             } else {
                                 s
                             }