Format with rustfmt (#389)

* Format with rustfmt

* Add rustfmt check to CI

src/buf/ext/chain.rs

@@ -1,12 +1,12 @@
-use crate::{Buf, BufMut};
 use crate::buf::IntoIter;
+use crate::{Buf, BufMut};
 
 use core::mem::MaybeUninit;
 
-#[cfg(feature = "std")]
-use std::io::{IoSlice};
 #[cfg(feature = "std")]
 use crate::buf::IoSliceMut;
+#[cfg(feature = "std")]
+use std::io::IoSlice;
 
 /// A `Chain` sequences two buffers.
 ///
@@ -41,10 +41,7 @@ pub struct Chain<T, U> {
 impl<T, U> Chain<T, U> {
     /// Creates a new `Chain` sequencing the provided values.
     pub fn new(a: T, b: U) -> Chain<T, U> {
-        Chain {
-            a,
-            b,
-        }
+        Chain { a, b }
     }
 
     /// Gets a reference to the first underlying `Buf`.
@@ -137,8 +134,9 @@ impl<T, U> Chain<T, U> {
 }
 
 impl<T, U> Buf for Chain<T, U>
-    where T: Buf,
-          U: Buf,
+where
+    T: Buf,
+    U: Buf,
 {
     fn remaining(&self) -> usize {
         self.a.remaining() + self.b.remaining()
@@ -179,8 +177,9 @@ impl<T, U> Buf for Chain<T, U>
 }
 
 impl<T, U> BufMut for Chain<T, U>
-    where T: BufMut,
-          U: BufMut,
+where
+    T: BufMut,
+    U: BufMut,
 {
     fn remaining_mut(&self) -> usize {
         self.a.remaining_mut() + self.b.remaining_mut()

src/buf/ext/limit.rs

@@ -11,10 +11,7 @@ pub struct Limit<T> {
 }
 
 pub(super) fn new<T>(inner: T, limit: usize) -> Limit<T> {
-    Limit {
-        inner,
-        limit,
-    }
+    Limit { inner, limit }
 }
 
 impl<T> Limit<T> {

src/buf/ext/mod.rs

@@ -10,9 +10,9 @@ mod take;
 #[cfg(feature = "std")]
 mod writer;
 
+pub use self::chain::Chain;
 pub use self::limit::Limit;
 pub use self::take::Take;
-pub use self::chain::Chain;
 
 #[cfg(feature = "std")]
 pub use self::{reader::Reader, writer::Writer};
@@ -41,7 +41,8 @@ pub trait BufExt: Buf {
     /// assert_eq!(dst, b" world");
     /// ```
     fn take(self, limit: usize) -> Take<Self>
-        where Self: Sized
+    where
+        Self: Sized,
     {
         take::new(self, limit)
     }
@@ -62,7 +63,8 @@ pub trait BufExt: Buf {
     /// assert_eq!(full.bytes(), b"hello world");
     /// ```
     fn chain<U: Buf>(self, next: U) -> Chain<Self, U>
-        where Self: Sized
+    where
+        Self: Sized,
     {
         Chain::new(self, next)
     }
@@ -91,7 +93,10 @@ pub trait BufExt: Buf {
     /// assert_eq!(&dst[..11], &b"hello world"[..]);
     /// ```
     #[cfg(feature = "std")]
-    fn reader(self) -> Reader<Self> where Self: Sized {
+    fn reader(self) -> Reader<Self>
+    where
+        Self: Sized,
+    {
         reader::new(self)
     }
 }
@@ -114,7 +119,8 @@ pub trait BufMutExt: BufMut {
     /// assert_eq!(dst.remaining_mut(), 10);
     /// ```
     fn limit(self, limit: usize) -> Limit<Self>
-        where Self: Sized
+    where
+        Self: Sized,
     {
         limit::new(self, limit)
     }
@@ -142,7 +148,10 @@ pub trait BufMutExt: BufMut {
     /// assert_eq!(*buf, b"hello world"[..]);
     /// ```
     #[cfg(feature = "std")]
-    fn writer(self) -> Writer<Self> where Self: Sized {
+    fn writer(self) -> Writer<Self>
+    where
+        Self: Sized,
+    {
         writer::new(self)
     }
 
@@ -167,7 +176,8 @@ pub trait BufMutExt: BufMut {
     /// assert_eq!(&b[..], b" world");
     /// ```
     fn chain_mut<U: BufMut>(self, next: U) -> Chain<Self, U>
-        where Self: Sized
+    where
+        Self: Sized,
     {
         Chain::new(self, next)
     }

src/buf/ext/reader.rs

@@ -1,4 +1,4 @@
-use crate::{Buf};
+use crate::Buf;
 
 use std::{cmp, io};
 

src/buf/ext/take.rs

@@ -13,10 +13,7 @@ pub struct Take<T> {
 }
 
 pub fn new<T>(inner: T, limit: usize) -> Take<T> {
-    Take {
-        inner,
-        limit,
-    }
+    Take { inner, limit }
 }
 
 impl<T> Take<T> {