From fab66801506457c272c2511d280cd278869b9365 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Cruz?= <acruz@cloudflare.com>
Date: Mon, 25 Jul 2022 17:00:17 +0100
Subject: [PATCH] Fix clippy warnings (#807)

Depending on the features chosen these attributes were left
unused.
---
 src/message/header/mod.rs             | 2 ++
 src/transport/smtp/async_transport.rs | 3 ++-
 src/transport/smtp/client/net.rs      | 3 ++-
 src/transport/smtp/client/tls.rs      | 3 +++
 4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/message/header/mod.rs b/src/message/header/mod.rs
index 0ebb6c1..df3b409 100644
--- a/src/message/header/mod.rs
+++ b/src/message/header/mod.rs
@@ -323,10 +323,12 @@ impl HeaderValue {
         }
     }
 
+    #[cfg(feature = "dkim")]
     pub(crate) fn get_raw(&self) -> &str {
         &self.raw_value
     }
 
+    #[cfg(feature = "dkim")]
     pub(crate) fn get_encoded(&self) -> &str {
         &self.encoded_value
     }
diff --git a/src/transport/smtp/async_transport.rs b/src/transport/smtp/async_transport.rs
index 055cadf..f40cbb0 100644
--- a/src/transport/smtp/async_transport.rs
+++ b/src/transport/smtp/async_transport.rs
@@ -1,7 +1,8 @@
+#[cfg(feature = "pool")]
+use std::sync::Arc;
 use std::{
     fmt::{self, Debug},
     marker::PhantomData,
-    sync::Arc,
     time::Duration,
 };
 
diff --git a/src/transport/smtp/client/net.rs b/src/transport/smtp/client/net.rs
index d2ace2f..2ad7145 100644
--- a/src/transport/smtp/client/net.rs
+++ b/src/transport/smtp/client/net.rs
@@ -1,8 +1,9 @@
+#[cfg(feature = "rustls-tls")]
+use std::sync::Arc;
 use std::{
     io::{self, Read, Write},
     mem,
     net::{IpAddr, Ipv4Addr, Shutdown, SocketAddr, SocketAddrV4, TcpStream, ToSocketAddrs},
-    sync::Arc,
     time::Duration,
 };
 
diff --git a/src/transport/smtp/client/tls.rs b/src/transport/smtp/client/tls.rs
index 1a871d6..3401d44 100644
--- a/src/transport/smtp/client/tls.rs
+++ b/src/transport/smtp/client/tls.rs
@@ -100,6 +100,7 @@ pub struct TlsParameters {
     pub(crate) connector: InnerTlsParameters,
     /// The domain name which is expected in the TLS certificate from the server
     pub(super) domain: String,
+    #[cfg(feature = "boring-tls")]
     pub(super) accept_invalid_hostnames: bool,
 }
 
@@ -229,6 +230,7 @@ impl TlsParametersBuilder {
         Ok(TlsParameters {
             connector: InnerTlsParameters::NativeTls(connector),
             domain: self.domain,
+            #[cfg(feature = "boring-tls")]
             accept_invalid_hostnames: self.accept_invalid_hostnames,
         })
     }
@@ -322,6 +324,7 @@ impl TlsParametersBuilder {
         Ok(TlsParameters {
             connector: InnerTlsParameters::RustlsTls(Arc::new(tls)),
             domain: self.domain,
+            #[cfg(feature = "boring-tls")]
             accept_invalid_hostnames: self.accept_invalid_hostnames,
         })
     }