From 3cedb01c7982c5a505a510f7af9a9601c39a5b97 Mon Sep 17 00:00:00 2001
From: Mroik <mroik@delayed.space>
Date: Thu, 9 Apr 2026 03:35:06 +0200
Subject: Fix some clippy stuff

Signed-off-by: Mroik <mroik@delayed.space>
---
 src/smtp.rs | 25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

(limited to 'src')

diff --git a/src/smtp.rs b/src/smtp.rs
index 30cf490..2795ecf 100644
--- a/src/smtp.rs
+++ b/src/smtp.rs
@@ -173,20 +173,15 @@ impl SessionHandler {
     }
 }
 
-#[derive(PartialEq)]
+#[derive(PartialEq, Default)]
 enum SessionState {
+    #[default]
     WaitingHelo,
     MailTransaction,
     AwaitingMailInput,
     Normal,
 }
 
-impl Default for SessionState {
-    fn default() -> Self {
-        Self::WaitingHelo
-    }
-}
-
 enum Reply {
     Ready(String),
     Completed(String),
@@ -196,15 +191,15 @@ enum Reply {
     BadSequence,
 }
 
-impl ToString for Reply {
-    fn to_string(&self) -> String {
+impl std::fmt::Display for Reply {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
-            Reply::Ready(hostname) => format!("220 {}", hostname),
-            Reply::Completed(hostname) => format!("250 {}", hostname),
-            Reply::InvalidCommand => format!("500 Invalid command"),
-            Reply::InvalidParameter => format!("501 Parameter error"),
-            Reply::BadSequence => format!("503 Bad sequence of commands"),
-            Reply::StartMailInput => format!("354 <CRLF>.<CRLF>"),
+            Reply::Ready(hostname) => write!(f, "220 {}", hostname),
+            Reply::Completed(hostname) => write!(f, "250 {}", hostname),
+            Reply::InvalidCommand => write!(f, "500 Invalid command"),
+            Reply::InvalidParameter => write!(f, "501 Parameter error"),
+            Reply::BadSequence => write!(f, "503 Bad sequence of commands"),
+            Reply::StartMailInput => write!(f, "354 <CRLF>.<CRLF>"),
         }
     }
 }
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