From e318f5c6979c16183beb54933c49ba1d4efe49e1 Mon Sep 17 00:00:00 2001
From: link2xt <link2xt@testrun.org>
Date: Tue, 31 Jan 2023 23:58:38 +0000
Subject: [PATCH] Simplify unset_empty()

---
 src/login_param.rs | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/login_param.rs b/src/login_param.rs
index 36f0a879f..297ffa77f 100644
--- a/src/login_param.rs
+++ b/src/login_param.rs
@@ -1,6 +1,5 @@
 //! # Login parameters.
 
-use std::borrow::Cow;
 use std::fmt;
 
 use anyhow::{ensure, Result};
@@ -298,12 +297,11 @@ impl fmt::Display for LoginParam {
     }
 }
 
-#[allow(clippy::ptr_arg)]
-fn unset_empty(s: &String) -> Cow<String> {
+fn unset_empty(s: &str) -> &str {
     if s.is_empty() {
-        Cow::Owned("unset".to_string())
+        "unset"
     } else {
-        Cow::Borrowed(s)
+        s
     }
 }