chore: apply rustfmt to all crates (#917)

examples/tinyhttp.rs

@@ -23,12 +23,12 @@ extern crate time;
 extern crate tokio;
 extern crate tokio_io;
 
-use std::{env, fmt, io};
 use std::net::SocketAddr;
+use std::{env, fmt, io};
 
-use tokio::net::{TcpStream, TcpListener};
+use tokio::codec::{Decoder, Encoder};
+use tokio::net::{TcpListener, TcpStream};
 use tokio::prelude::*;
-use tokio::codec::{Encoder, Decoder};
 
 use bytes::BytesMut;
 use http::header::HeaderValue;
@@ -44,7 +44,8 @@ fn main() -> Result<(), Box<std::error::Error>> {
     println!("Listening on: {}", addr);
 
     tokio::run({
-        listener.incoming()
+        listener
+            .incoming()
             .map_err(|e| println!("failed to accept socket; error = {:?}", e))
             .for_each(|socket| {
                 process(socket);
@@ -64,14 +65,13 @@ fn process(socket: TcpStream) {
         .split();
 
     // Map all requests into responses and send them back to the client.
-    let task = tx.send_all(rx.and_then(respond))
-        .then(|res| {
-            if let Err(e) = res {
-                println!("failed to process connection; error = {:?}", e);
-            }
+    let task = tx.send_all(rx.and_then(respond)).then(|res| {
+        if let Err(e) = res {
+            println!("failed to process connection; error = {:?}", e);
+        }
 
-            Ok(())
-        });
+        Ok(())
+    });
 
     // Spawn the task that handles the connection.
     tokio::spawn(task);
@@ -82,9 +82,7 @@ fn process(socket: TcpStream) {
 /// This function is a map from and HTTP request to a future of a response and
 /// represents the various handling a server might do. Currently the contents
 /// here are pretty uninteresting.
-fn respond(req: Request<()>)
-    -> Box<Future<Item = Response<String>, Error = io::Error> + Send>
-{
+fn respond(req: Request<()>) -> Box<Future<Item = Response<String>, Error = io::Error> + Send> {
     let f = future::lazy(move || {
         let mut response = Response::builder();
         let body = match req.uri().path() {
@@ -99,14 +97,18 @@ fn respond(req: Request<()>)
                 struct Message {
                     message: &'static str,
                 }
-                serde_json::to_string(&Message { message: "Hello, World!" })?
+                serde_json::to_string(&Message {
+                    message: "Hello, World!",
+                })?
             }
             _ => {
                 response.status(StatusCode::NOT_FOUND);
                 String::new()
             }
         };
-        let response = response.body(body).map_err(|err| io::Error::new(io::ErrorKind::Other, err))?;
+        let response = response
+            .body(body)
+            .map_err(|err| io::Error::new(io::ErrorKind::Other, err))?;
         Ok(response)
     });
 
@@ -124,12 +126,19 @@ impl Encoder for Http {
     fn encode(&mut self, item: Response<String>, dst: &mut BytesMut) -> io::Result<()> {
         use std::fmt::Write;
 
-        write!(BytesWrite(dst), "\
-            HTTP/1.1 {}\r\n\
-            Server: Example\r\n\
-            Content-Length: {}\r\n\
-            Date: {}\r\n\
-        ", item.status(), item.body().len(), date::now()).unwrap();
+        write!(
+            BytesWrite(dst),
+            "\
+             HTTP/1.1 {}\r\n\
+             Server: Example\r\n\
+             Content-Length: {}\r\n\
+             Date: {}\r\n\
+             ",
+            item.status(),
+            item.body().len(),
+            date::now()
+        )
+        .unwrap();
 
         for (k, v) in item.headers() {
             dst.extend_from_slice(k.as_str().as_bytes());
@@ -198,13 +207,18 @@ impl Decoder for Http {
                 headers[i] = Some((k, v));
             }
 
-            (toslice(r.method.unwrap().as_bytes()),
-             toslice(r.path.unwrap().as_bytes()),
-             r.version.unwrap(),
-             amt)
+            (
+                toslice(r.method.unwrap().as_bytes()),
+                toslice(r.path.unwrap().as_bytes()),
+                r.version.unwrap(),
+                amt,
+            )
         };
         if version != 1 {
-            return Err(io::Error::new(io::ErrorKind::Other, "only HTTP/1.1 accepted"))
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "only HTTP/1.1 accepted",
+            ));
         }
         let data = src.split_to(amt).freeze();
         let mut ret = Request::builder();
@@ -216,15 +230,13 @@ impl Decoder for Http {
                 Some((ref k, ref v)) => (k, v),
                 None => break,
             };
-            let value = unsafe {
-                HeaderValue::from_shared_unchecked(data.slice(v.0, v.1))
-            };
+            let value = unsafe { HeaderValue::from_shared_unchecked(data.slice(v.0, v.1)) };
             ret.header(&data[k.0..k.1], value);
         }
 
-        let req = ret.body(()).map_err(|e| {
-            io::Error::new(io::ErrorKind::Other, e)
-        })?;
+        let req = ret
+            .body(())
+            .map_err(|e| io::Error::new(io::ErrorKind::Other, e))?;
         Ok(Some(req))
     }
 }