fix clippy warning on nightly (#2088)

* fix clippy warning on nightly

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;
-                }
+            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,
     }
 }