Formatting

examples/print-file.rs

@@ -4,7 +4,7 @@
 
 use std::env::args;
 
-use async_std::{fs, io, prelude::*, task};
+use async_std::{fs::File, io, prelude::*, task};
 
 const LEN: usize = 4 * 1024 * 1024; // 4 Mb
 
@@ -12,7 +12,7 @@ fn main() -> io::Result<()> {
     let path = args().nth(1).expect("missing path argument");
 
     task::block_on(async {
-        let mut file = fs::File::open(&path).await?;
+        let mut file = File::open(&path).await?;
         let mut stdout = io::stdout();
         let mut buf = vec![0u8; LEN];
 
@@ -23,7 +23,6 @@ fn main() -> io::Result<()> {
             // If this is the end of file, clean up and return.
             if n == 0 {
                 stdout.flush().await?;
-                file.close().await?;
                 return Ok(());
             }
 

examples/tcp-client.rs

@@ -14,11 +14,11 @@
 
 #![feature(async_await)]
 
-use async_std::{io, net, prelude::*, task};
+use async_std::{io, net::TcpStream, prelude::*, task};
 
 fn main() -> io::Result<()> {
     task::block_on(async {
-        let mut stream = net::TcpStream::connect("127.0.0.1:8080").await?;
+        let mut stream = TcpStream::connect("127.0.0.1:8080").await?;
         println!("Connected to {}", &stream.peer_addr()?);
 
         let msg = "hello world";

examples/tcp-echo.rs

@@ -8,9 +8,10 @@
 
 #![feature(async_await)]
 
-use async_std::{io, net, prelude::*, task};
+use async_std::net::{TcpListener, TcpStream};
+use async_std::{io, prelude::*, task};
 
-async fn process(stream: net::TcpStream) -> io::Result<()> {
+async fn process(stream: TcpStream) -> io::Result<()> {
     println!("Accepted from: {}", stream.peer_addr()?);
 
     let (reader, writer) = &mut (&stream, &stream);
@@ -21,7 +22,7 @@ async fn process(stream: net::TcpStream) -> io::Result<()> {
 
 fn main() -> io::Result<()> {
     task::block_on(async {
-        let listener = net::TcpListener::bind("127.0.0.1:8080").await?;
+        let listener = TcpListener::bind("127.0.0.1:8080").await?;
         println!("Listening on {}", listener.local_addr()?);
 
         let mut incoming = listener.incoming();

examples/udp-client.rs

@@ -14,11 +14,11 @@
 
 #![feature(async_await)]
 
-use async_std::{io, net, task};
+use async_std::{io, net::UdpSocket, task};
 
 fn main() -> io::Result<()> {
     task::block_on(async {
-        let socket = net::UdpSocket::bind("127.0.0.1:8081").await?;
+        let socket = UdpSocket::bind("127.0.0.1:8081").await?;
         println!("Listening on {}", socket.local_addr()?);
 
         let msg = "hello world";

examples/udp-echo.rs

@@ -8,11 +8,11 @@
 
 #![feature(async_await)]
 
-use async_std::{io, net, task};
+use async_std::{io, net::UdpSocket, task};
 
 fn main() -> io::Result<()> {
     task::block_on(async {
-        let socket = net::UdpSocket::bind("127.0.0.1:8080").await?;
+        let socket = UdpSocket::bind("127.0.0.1:8080").await?;
         let mut buf = vec![0u8; 1024];
 
         println!("Listening on {}", socket.local_addr()?);