From 1a70f40d7fa8cafa37037652ba6ea8b7d9938b7a Mon Sep 17 00:00:00 2001
From: Mattias Wallin <mattias.wallin@lidendata.com>
Date: Sun, 1 Sep 2024 13:13:14 +0200
Subject: [PATCH] Avoid allocation in `ChainItemKind::is_tup_field_access`

---
 src/chains.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/chains.rs b/src/chains.rs
index 297eb268d30..693aaef9979 100644
--- a/src/chains.rs
+++ b/src/chains.rs
@@ -209,7 +209,7 @@ impl ChainItemKind {
     fn is_tup_field_access(expr: &ast::Expr) -> bool {
         match expr.kind {
             ast::ExprKind::Field(_, ref field) => {
-                field.name.to_string().chars().all(|c| c.is_digit(10))
+                field.name.as_str().chars().all(|c| c.is_digit(10))
             }
             _ => false,
         }