update readme

README.md

@@ -1,20 +1,18 @@
 # Actix net [![Build Status](https://travis-ci.org/actix/actix-net.svg?branch=master)](https://travis-ci.org/actix/actix-net) [![codecov](https://codecov.io/gh/actix/actix-net/branch/master/graph/badge.svg)](https://codecov.io/gh/actix/actix-net) [![crates.io](https://meritbadge.herokuapp.com/actix-net)](https://crates.io/crates/actix-net) [![Join the chat at https://gitter.im/actix/actix](https://badges.gitter.im/actix/actix.svg)](https://gitter.im/actix/actix?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-Actix net - framework for composable network services (experimental)
+Actix net - framework for composable network services
 
 ## Documentation & community resources
 
 * [API Documentation (Development)](https://actix.rs/actix-net/actix_net/)
 * [Chat on gitter](https://gitter.im/actix/actix)
 * Cargo package: [actix-net](https://crates.io/crates/actix-net)
-* Minimum supported Rust version: 1.26 or later
+* Minimum supported Rust version: 1.32 or later
 
 ## Example
 
 ```rust
-fn main() {
+fn main() -> io::Result<()> {
-    let sys = actix_rt::System::new("test");
-
     // load ssl keys
     let mut builder = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
     builder.set_private_key_file("./examples/key.pem", SslFiletype::PEM).unwrap();
@@ -26,7 +24,7 @@ fn main() {
     // bind socket address and start workers. By default server uses number of
     // available logical cpu as threads count. actix net start separate
     // instances of service pipeline in each worker.
-    actix_server::build()
+    Server::build()
         .bind(
             // configure service pipeline
             "basic", "0.0.0.0:8443",
@@ -35,28 +33,23 @@ fn main() {
                 let acceptor = acceptor.clone();
 
                 // service for converting incoming TcpStream to a SslStream<TcpStream>
-                (move |stream| {
+                fn_service(move |stream: Io<tokio_tcp::TcpStream>| {
-                SslAcceptorExt::accept_async(&acceptor, stream)
+                    SslAcceptorExt::accept_async(&acceptor, stream.into_parts().0)
-                    .map_err(|e| println!("Openssl error: {}", e))
+                        .map_err(|e| println!("Openssl error: {}", e))
-            })
+                })
-            // convert closure to a `NewService`
+                // .and_then() combinator uses other service to convert incoming `Request` to a
-            .into_new_service()
+                // `Response` and then uses that response as an input for next
-
+                // service. in this case, on success we use `logger` service
-            // .and_then() combinator uses other service to convert incoming `Request` to a `Response`
+                .and_then(fn_service(logger))
-            // and then uses that response as an input for next service.
+                // Next service counts number of connections
-            // in this case, on success we use `logger` service
+                .and_then(move |_| {
-            .and_then(logger)
+                    let num = num.fetch_add(1, Ordering::Relaxed);
-
+                    println!("got ssl connection {:?}", num);
-            // Next service counts number of connections
+                    future::ok(())
-            .and_then(move |req| {
+                })
-                let num = num.fetch_add(1, Ordering::Relaxed);
+            },
-                println!("processed {:?} connections", num);
+        )?
-                future::ok(())
+        .run()
-            })
-        }).unwrap()
-        .start();
-
-    sys.run();
 }
 ```