From 4c2f40dcb681556cbe631b337d7ab1597d0e9358 Mon Sep 17 00:00:00 2001
From: Paolo Barbolini <paolo@paolo565.org>
Date: Sat, 2 May 2020 21:04:10 +0200
Subject: [PATCH] Fix broken smtp/extension.rs

---
 src/transport/smtp/extension.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/transport/smtp/extension.rs b/src/transport/smtp/extension.rs
index bb72222..4346745 100644
--- a/src/transport/smtp/extension.rs
+++ b/src/transport/smtp/extension.rs
@@ -133,8 +133,8 @@ impl ServerInfo {
                 continue;
             }
 
-            let split: Vec<&str> = line.split_whitespace().collect();
-            match split[0] {
+            let mut split = line.split_whitespace();
+            match split.next().unwrap() {
                 "8BITMIME" => {
                     features.insert(Extension::EightBitMime);
                 }
@@ -145,7 +145,7 @@ impl ServerInfo {
                     features.insert(Extension::StartTls);
                 }
                 "AUTH" => {
-                    for &mechanism in &split[1..] {
+                    for mechanism in split {
                         match mechanism {
                             "PLAIN" => {
                                 features.insert(Extension::Authentication(Mechanism::Plain));