From 9e418305a32e6edf8310a5b4cfa8a297bdfe5cea Mon Sep 17 00:00:00 2001
From: overlookmotel <557937+overlookmotel@users.noreply.github.com>
Date: Tue, 25 Mar 2025 04:00:05 +0000
Subject: [PATCH] perf(ast_tools): reduce `String` allocations (#10023)

`ident_name` generate only 1 `String` in common case, instead of 2.
---
 tasks/ast_tools/src/parse/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tasks/ast_tools/src/parse/mod.rs b/tasks/ast_tools/src/parse/mod.rs
index 15e207d6cdfe3..40f84ad7c62e1 100644
--- a/tasks/ast_tools/src/parse/mod.rs
+++ b/tasks/ast_tools/src/parse/mod.rs
@@ -109,5 +109,6 @@ fn analyse_file(
 ///
 /// [`Ident`]: struct@Ident
 fn ident_name(ident: &Ident) -> String {
-    ident.to_string().trim_start_matches("r#").to_string()
+    let name = ident.to_string();
+    if let Some(unprefixed) = name.strip_prefix("r#") { unprefixed.to_string() } else { name }
 }