Run 'cargo fmt' to format code (#489)

src/mail.rs

@@ -6,8 +6,8 @@ pub use self::mailer::*;
 
 #[cfg(feature = "debug-mailer")]
 mod mailer {
-    use lettre::{Transport, SendableEmail};
-    use std::{io::Read};
+    use lettre::{SendableEmail, Transport};
+    use std::io::Read;
 
     pub struct DebugTransport;
 
@@ -18,11 +18,18 @@ mod mailer {
             println!(
                 "{}: from=<{}> to=<{:?}>\n{:#?}",
                 email.message_id().to_string(),
-                email.envelope().from().map(ToString::to_string).unwrap_or_default(),
+                email
+                    .envelope()
+                    .from()
+                    .map(ToString::to_string)
+                    .unwrap_or_default(),
                 email.envelope().to().to_vec(),
                 {
                     let mut message = String::new();
-                    email.message().read_to_string(&mut message).map_err(|_| ())?;
+                    email
+                        .message()
+                        .read_to_string(&mut message)
+                        .map_err(|_| ())?;
                     message
                 },
             );
@@ -40,13 +47,12 @@ mod mailer {
 #[cfg(not(feature = "debug-mailer"))]
 mod mailer {
     use lettre::{
-        SmtpTransport,
-        SmtpClient,
         smtp::{
             authentication::{Credentials, Mechanism},
             extension::ClientId,
             ConnectionReuseParameters,
         },
+        SmtpClient, SmtpTransport,
     };
     use std::env;
 
@@ -57,7 +63,8 @@ mod mailer {
         let helo_name = env::var("MAIL_HELO_NAME").unwrap_or_else(|_| "localhost".to_owned());
         let username = env::var("MAIL_USER").ok()?;
         let password = env::var("MAIL_PASSWORD").ok()?;
-        let mail = SmtpClient::new_simple(&server).unwrap()
+        let mail = SmtpClient::new_simple(&server)
+            .unwrap()
             .hello_name(ClientId::Domain(helo_name))
             .credentials(Credentials::new(username, password))
             .smtp_utf8(true)
@@ -70,9 +77,17 @@ mod mailer {
 
 pub fn build_mail(dest: String, subject: String, body: String) -> Option<Email> {
     Email::builder()
-        .from(env::var("MAIL_ADDRESS")
-            .or_else(|_| Ok(format!("{}@{}", env::var("MAIL_USER")?, env::var("MAIL_SERVER")?)) as Result<_, env::VarError>)
-            .expect("Mail server is not correctly configured"))
+        .from(
+            env::var("MAIL_ADDRESS")
+                .or_else(|_| {
+                    Ok(format!(
+                        "{}@{}",
+                        env::var("MAIL_USER")?,
+                        env::var("MAIL_SERVER")?
+                    )) as Result<_, env::VarError>
+                })
+                .expect("Mail server is not correctly configured"),
+        )
         .to(dest)
         .subject(subject)
         .text(body)