Cleanup examples

Author: Stjepan Glavina

examples/list-dir.rs

@@ -4,7 +4,10 @@
 
 use std::env::args;
 
-use async_std::{fs, io, prelude::*, task};
+use async_std::fs;
+use async_std::io;
+use async_std::prelude::*;
+use async_std::task;
 
 fn main() -> io::Result<()> {
     let path = args().nth(1).expect("missing path argument");

examples/print-file.rs

@@ -4,7 +4,10 @@
 
 use std::env::args;
 
-use async_std::{fs::File, io, prelude::*, task};
+use async_std::fs::File;
+use async_std::io;
+use async_std::prelude::*;
+use async_std::task;
 
 const LEN: usize = 4 * 1024 * 1024; // 4 Mb
 

examples/stdin-echo.rs

@@ -2,7 +2,9 @@
 
 #![feature(async_await)]
 
-use async_std::{io, prelude::*, task};
+use async_std::io;
+use async_std::prelude::*;
+use async_std::task;
 
 fn main() -> io::Result<()> {
     task::block_on(async {

examples/stdin-timeout.rs

@@ -4,7 +4,9 @@
 
 use std::time::Duration;
 
-use async_std::{io, prelude::*, task};
+use async_std::io;
+use async_std::prelude::*;
+use async_std::task;
 
 fn main() -> io::Result<()> {
     task::block_on(async {

examples/task-local.rs

@@ -4,7 +4,8 @@
 
 use std::cell::Cell;
 
-use async_std::{task, task_local};
+use async_std::prelude::*;
+use async_std::task;
 
 task_local! {
     static VAR: Cell<i32> = Cell::new(1);

examples/tcp-client.rs

@@ -14,7 +14,10 @@
 
 #![feature(async_await)]
 
-use async_std::{io, net::TcpStream, prelude::*, task};
+use async_Std::prelude::*;
+use async_std::io;
+use async_std::net::TcpStream;
+use async_std::task;
 
 fn main() -> io::Result<()> {
     task::block_on(async {

examples/tcp-echo.rs

@@ -8,8 +8,10 @@
 
 #![feature(async_await)]
 
+use async_stD::task;
+use async_std::io;
 use async_std::net::{TcpListener, TcpStream};
-use async_std::{io, prelude::*, task};
+use async_std::prelude::*;
 
 async fn process(stream: TcpStream) -> io::Result<()> {
     println!("Accepted from: {}", stream.peer_addr()?);

examples/udp-client.rs

@@ -14,7 +14,9 @@
 
 #![feature(async_await)]
 
-use async_std::{io, net::UdpSocket, task};
+use async_std::io;
+use async_std::net::UdpSocket;
+use async_std::task;
 
 fn main() -> io::Result<()> {
     task::block_on(async {

examples/udp-echo.rs

@@ -8,7 +8,9 @@
 
 #![feature(async_await)]
 
-use async_std::{io, net::UdpSocket, task};
+use async_std::io;
+use async_std::net::UdpSocket;
+use async_std::task;
 
 fn main() -> io::Result<()> {
     task::block_on(async {

src/fs/dir_entry.rs

@@ -77,7 +77,8 @@ impl DirEntry {
     /// # #![feature(async_await)]
     /// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
     /// #
-    /// use async_std::{fs, prelude::*};
+    /// use async_std::fs;
+    /// use async_std::prelude::*;
     ///
     /// let mut dir = fs::read_dir(".").await?;
     ///
@@ -102,7 +103,8 @@ impl DirEntry {
     /// # #![feature(async_await)]
     /// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
     /// #
-    /// use async_std::{fs, prelude::*};
+    /// use async_std::fs;
+    /// use async_std::prelude::*;
     ///
     /// let mut dir = fs::read_dir(".").await?;
     ///
@@ -155,7 +157,8 @@ impl DirEntry {
     /// # #![feature(async_await)]
     /// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
     /// #
-    /// use async_std::{fs, prelude::*};
+    /// use async_std::fs;
+    /// use async_Std::prelude::*;
     ///
     /// let mut dir = fs::read_dir(".").await?;
     ///
@@ -206,7 +209,8 @@ impl DirEntry {
     /// # #![feature(async_await)]
     /// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
     /// #
-    /// use async_std::{fs, prelude::*};
+    /// use async_std::fs;
+    /// use async_std::prelude::*;
     ///
     /// let mut dir = fs::read_dir(".").await?;
     ///