clippy warnings

actix-connect/src/connect.rs

@@ -132,7 +132,7 @@ impl<T: Address> From<T> for Connect<T> {
 }
 
 impl<T: Address> fmt::Display for Connect<T> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "{}:{}", self.host(), self.port())
     }
 }
@@ -163,7 +163,7 @@ impl Iterator for ConnectAddrsIter<'_> {
 }
 
 impl fmt::Debug for ConnectAddrsIter<'_> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
@@ -275,7 +275,7 @@ impl<T, U> std::ops::DerefMut for Connection<T, U> {
 }
 
 impl<T, U: fmt::Debug> fmt::Debug for Connection<T, U> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "Stream {{{:?}}}", self.io)
     }
 }

actix-connect/src/connector.rs

@@ -76,7 +76,7 @@ impl<T: Address> Service for TcpConnector<T> {
     type Error = ConnectError;
     type Future = Either<TcpConnectorResponse<T>, Ready<Result<Self::Response, Self::Error>>>;
 
-    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         Poll::Ready(Ok(()))
     }
 
@@ -134,7 +134,7 @@ impl<T: Address> TcpConnectorResponse<T> {
 impl<T: Address> Future for TcpConnectorResponse<T> {
     type Output = Result<Connection<T, TcpStream>, ConnectError>;
 
-    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let this = self.get_mut();
 
         // connect

actix-connect/src/lib.rs

@@ -2,9 +2,10 @@
 //!
 //! ## Package feature
 //!
-//! * `ssl` - enables ssl support via `openssl` crate
-//! * `rust-tls` - enables ssl support via `rustls` crate
-
+//! * `openssl` - enables ssl support via `openssl` crate
+//! * `rustls` - enables ssl support via `rustls` crate
+#![deny(rust_2018_idioms, warnings)]
+#![allow(clippy::type_complexity)]
 #![recursion_limit = "128"]
 
 #[macro_use]
@@ -43,7 +44,7 @@ struct DefaultResolver(AsyncResolver);
 
 pub(crate) fn get_default_resolver() -> AsyncResolver {
     if Arbiter::contains_item::<DefaultResolver>() {
-        return Arbiter::get_item(|item: &DefaultResolver| item.0.clone());
+        Arbiter::get_item(|item: &DefaultResolver| item.0.clone())
     } else {
         let (cfg, opts) = match read_system_conf() {
             Ok((cfg, opts)) => (cfg, opts),

actix-connect/src/resolver.rs

@@ -108,7 +108,7 @@ impl<T: Address> Service for Resolver<T> {
     type Error = ConnectError;
     type Future = Either<ResolverFuture<T>, Ready<Result<Connect<T>, Self::Error>>>;
 
-    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         Poll::Ready(Ok(()))
     }
 
@@ -153,7 +153,7 @@ impl<T: Address> ResolverFuture<T> {
 impl<T: Address> Future for ResolverFuture<T> {
     type Output = Result<Connect<T>, ConnectError>;
 
-    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let this = self.get_mut();
 
         match Pin::new(&mut this.lookup).poll(cx) {

actix-connect/src/service.rs

@@ -96,7 +96,7 @@ impl<T: Address> Service for ConnectService<T> {
     type Error = ConnectError;
     type Future = ConnectServiceResponse<T>;
 
-    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         Poll::Ready(Ok(()))
     }
 
@@ -116,7 +116,7 @@ enum ConnectState<T: Address> {
 impl<T: Address> ConnectState<T> {
     fn poll(
         &mut self,
-        cx: &mut Context,
+        cx: &mut Context<'_>,
     ) -> Either<Poll<Result<Connection<T, TcpStream>, ConnectError>>, Connect<T>> {
         match self {
             ConnectState::Resolve(ref mut fut) => match Pin::new(fut).poll(cx) {
@@ -137,7 +137,7 @@ pub struct ConnectServiceResponse<T: Address> {
 impl<T: Address> Future for ConnectServiceResponse<T> {
     type Output = Result<Connection<T, TcpStream>, ConnectError>;
 
-    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let res = match self.state.poll(cx) {
             Either::Right(res) => {
                 self.state = ConnectState::Connect(self.tcp.call(res));
@@ -165,7 +165,7 @@ impl<T: Address + 'static> Service for TcpConnectService<T> {
     type Error = ConnectError;
     type Future = TcpConnectServiceResponse<T>;
 
-    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         Poll::Ready(Ok(()))
     }
 
@@ -185,7 +185,7 @@ enum TcpConnectState<T: Address> {
 impl<T: Address> TcpConnectState<T> {
     fn poll(
         &mut self,
-        cx: &mut Context,
+        cx: &mut Context<'_>,
     ) -> Either<Poll<Result<TcpStream, ConnectError>>, Connect<T>> {
         match self {
             TcpConnectState::Resolve(ref mut fut) => match Pin::new(fut).poll(cx) {
@@ -214,7 +214,7 @@ pub struct TcpConnectServiceResponse<T: Address> {
 impl<T: Address> Future for TcpConnectServiceResponse<T> {
     type Output = Result<TcpStream, ConnectError>;
 
-    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let res = match self.state.poll(cx) {
             Either::Right(res) => {
                 self.state = TcpConnectState::Connect(self.tcp.call(res));

actix-connect/src/ssl/openssl.rs

@@ -38,7 +38,7 @@ where
 {
     pub fn service(connector: SslConnector) -> OpensslConnectorService<T, U> {
         OpensslConnectorService {
-            connector: connector,
+            connector,
             _t: PhantomData,
         }
     }
@@ -98,7 +98,7 @@ where
     type Error = io::Error;
     type Future = Either<ConnectAsyncExt<T, U>, Ready<Result<Self::Response, Self::Error>>>;
 
-    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         Poll::Ready(Ok(()))
     }
 
@@ -131,7 +131,7 @@ where
 {
     type Output = Result<Connection<T, SslStream<U>>, io::Error>;
 
-    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let this = self.get_mut();
 
         match Pin::new(&mut this.fut).poll(cx) {
@@ -218,7 +218,7 @@ impl<T: Address + 'static> Service for OpensslConnectService<T> {
     type Error = ConnectError;
     type Future = OpensslConnectServiceResponse<T>;
 
-    fn poll_ready(&mut self, _: &mut Context) -> Poll<Result<(), Self::Error>> {
+    fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         Poll::Ready(Ok(()))
     }
 
@@ -240,14 +240,14 @@ pub struct OpensslConnectServiceResponse<T: Address + 'static> {
 impl<T: Address> Future for OpensslConnectServiceResponse<T> {
     type Output = Result<SslStream<TcpStream>, ConnectError>;
 
-    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         if let Some(ref mut fut) = self.fut1 {
             match futures::ready!(Pin::new(fut).poll(cx)) {
                 Ok(res) => {
                     let _ = self.fut1.take();
                     self.fut2 = Some(self.openssl.call(res));
                 }
-                Err(e) => return Poll::Ready(Err(e.into())),
+                Err(e) => return Poll::Ready(Err(e)),
             }
         }