From d5bfb759e7c65914e972a59bb49f5a22f3e103bc Mon Sep 17 00:00:00 2001
From: xtqqczze <45661989+xtqqczze@users.noreply.github.com>
Date: Thu, 1 Jan 2026 01:33:19 +0000
Subject: [PATCH] uucore: optimise run_util_function

---
 src/uucore/src/lib/features/benchmark.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/uucore/src/lib/features/benchmark.rs b/src/uucore/src/lib/features/benchmark.rs
index 8be0baf720a..94217760d60 100644
--- a/src/uucore/src/lib/features/benchmark.rs
+++ b/src/uucore/src/lib/features/benchmark.rs
@@ -32,8 +32,9 @@ where
     F: FnOnce(std::vec::IntoIter<std::ffi::OsString>) -> i32,
 {
     // Prepend a dummy program name as argv[0] since clap expects it
-    let mut os_args: Vec<std::ffi::OsString> = vec!["benchmark".into()];
-    os_args.extend(args.iter().map(|s| (*s).into()));
+    let os_args = std::iter::once(std::ffi::OsString::from("benchmark"))
+        .chain(args.iter().map(std::ffi::OsString::from))
+        .collect::<Vec<_>>();
     util_func(os_args.into_iter())
 }