fix clippy warning on nightly (#2088)

* fix clippy warning on nightly

actix-files/src/service.rs

@@ -1,4 +1,4 @@
-use std::{fmt, io, path::PathBuf, rc::Rc, task::Poll};
+use std::{fmt, io, path::PathBuf, rc::Rc};
 
 use actix_service::Service;
 use actix_web::{

actix-http/src/client/connection.rs

@@ -325,7 +325,7 @@ where
     }
 }
 
-const H2_UNREACHABLE_WRITE: &'static str = "H2Connection can not impl AsyncWrite trait";
+const H2_UNREACHABLE_WRITE: &str = "H2Connection can not impl AsyncWrite trait";
 
 impl<A, B> AsyncWrite for Connection<A, B>
 where

actix-http/src/config.rs

@@ -126,9 +126,7 @@ impl ServiceConfig {
     pub fn client_timer(&self) -> Option<Sleep> {
         let delay_time = self.0.client_timeout;
         if delay_time != 0 {
-            Some(sleep_until(
-                self.0.date_service.now() + Duration::from_millis(delay_time),
-            ))
+            Some(sleep_until(self.now() + Duration::from_millis(delay_time)))
         } else {
             None
         }
@@ -138,7 +136,7 @@ impl ServiceConfig {
     pub fn client_timer_expire(&self) -> Option<Instant> {
         let delay = self.0.client_timeout;
         if delay != 0 {
-            Some(self.0.date_service.now() + Duration::from_millis(delay))
+            Some(self.now() + Duration::from_millis(delay))
         } else {
             None
         }
@@ -148,7 +146,7 @@ impl ServiceConfig {
     pub fn client_disconnect_timer(&self) -> Option<Instant> {
         let delay = self.0.client_disconnect;
         if delay != 0 {
-            Some(self.0.date_service.now() + Duration::from_millis(delay))
+            Some(self.now() + Duration::from_millis(delay))
         } else {
             None
         }
@@ -157,20 +155,12 @@ impl ServiceConfig {
     #[inline]
     /// Return keep-alive timer delay is configured.
     pub fn keep_alive_timer(&self) -> Option<Sleep> {
-        if let Some(ka) = self.0.keep_alive {
-            Some(sleep_until(self.0.date_service.now() + ka))
-        } else {
-            None
-        }
+        self.keep_alive().map(|ka| sleep_until(self.now() + ka))
     }
 
     /// Keep-alive expire time
     pub fn keep_alive_expire(&self) -> Option<Instant> {
-        if let Some(ka) = self.0.keep_alive {
-            Some(self.0.date_service.now() + ka)
-        } else {
-            None
-        }
+        self.keep_alive().map(|ka| self.now() + ka)
     }
 
     #[inline]

actix-http/src/header/shared/entity.rs

@@ -127,9 +127,8 @@ impl Display for EntityTag {
 impl FromStr for EntityTag {
     type Err = crate::error::ParseError;
 
-    fn from_str(s: &str) -> Result<EntityTag, crate::error::ParseError> {
-        let length: usize = s.len();
-        let slice = &s[..];
+    fn from_str(slice: &str) -> Result<EntityTag, crate::error::ParseError> {
+        let length = slice.len();
         // Early exits if it doesn't terminate in a DQUOTE.
         if !slice.ends_with('"') || slice.len() < 2 {
             return Err(crate::error::ParseError::Header);

actix-http/src/header/shared/extended.rs

@@ -88,9 +88,9 @@ pub fn parse_extended_value(
     };
 
     Ok(ExtendedValue {
-        value,
         charset,
         language_tag,
+        value,
     })
 }
 

src/config.rs

@@ -113,7 +113,7 @@ pub struct AppConfig {
 
 impl AppConfig {
     pub(crate) fn new(secure: bool, addr: SocketAddr, host: String) -> Self {
-        AppConfig { secure, addr, host }
+        AppConfig { secure, host, addr }
     }
 
     /// Server host name.

src/lib.rs

@@ -173,11 +173,7 @@ pub mod dev {
 
     impl BodyEncoding for ResponseBuilder {
         fn get_encoding(&self) -> Option<ContentEncoding> {
-            if let Some(ref enc) = self.extensions().get::<Enc>() {
-                Some(enc.0)
-            } else {
-                None
-            }
+            self.extensions().get::<Enc>().map(|enc| enc.0)
         }
 
         fn encoding(&mut self, encoding: ContentEncoding) -> &mut Self {
@@ -188,11 +184,7 @@ pub mod dev {
 
     impl<B> BodyEncoding for Response<B> {
         fn get_encoding(&self) -> Option<ContentEncoding> {
-            if let Some(ref enc) = self.extensions().get::<Enc>() {
-                Some(enc.0)
-            } else {
-                None
-            }
+            self.extensions().get::<Enc>().map(|enc| enc.0)
         }
 
         fn encoding(&mut self, encoding: ContentEncoding) -> &mut Self {

src/middleware/compress.rs

@@ -197,22 +197,23 @@ impl AcceptEncoding {
 
     /// Parse a raw Accept-Encoding header value into an ordered list.
     pub fn parse(raw: &str, encoding: ContentEncoding) -> ContentEncoding {
-        let mut encodings: Vec<_> = raw
+        let mut encodings = raw
             .replace(' ', "")
             .split(',')
             .map(|l| AcceptEncoding::new(l))
-            .collect();
+            .flatten()
+            .collect::<Vec<_>>();
+
         encodings.sort();
 
         for enc in encodings {
-            if let Some(enc) = enc {
             if encoding == ContentEncoding::Auto {
                 return enc.encoding;
             } else if encoding == enc.encoding {
                 return encoding;
             }
         }
-        }
+
         ContentEncoding::Identity
     }
 }

src/resource.rs

@@ -449,9 +449,9 @@ impl ServiceFactory<ServiceRequest> for ResourceFactory {
                 .collect::<Result<Vec<_>, _>>()?;
 
             Ok(ResourceService {
+                routes,
                 app_data,
                 default,
-                routes,
             })
         })
     }

src/test.rs

@@ -774,10 +774,10 @@ where
     };
 
     TestServer {
-        ssl,
         addr,
         client,
         system,
+        ssl,
         server,
     }
 }

tests/test_httpserver.rs

@@ -1,15 +1,11 @@
-use std::sync::mpsc;
-use std::{thread, time::Duration};
-
 #[cfg(feature = "openssl")]
 extern crate tls_openssl as openssl;
-#[cfg(feature = "rustls")]
-extern crate tls_rustls as rustls;
 
-#[cfg(feature = "openssl")]
-use openssl::ssl::SslAcceptorBuilder;
-
-use actix_web::{test, web, App, HttpResponse, HttpServer};
+#[cfg(any(unix, feature = "openssl"))]
+use {
+    actix_web::{test, web, App, HttpResponse, HttpServer},
+    std::{sync::mpsc, thread, time::Duration},
+};
 
 #[cfg(unix)]
 #[actix_rt::test]
@@ -72,7 +68,7 @@ async fn test_start() {
 }
 
 #[cfg(feature = "openssl")]
-fn ssl_acceptor() -> SslAcceptorBuilder {
+fn ssl_acceptor() -> openssl::ssl::SslAcceptorBuilder {
     use openssl::{
         pkey::PKey,
         ssl::{SslAcceptor, SslMethod},