1 files changed, 21 insertions, 15 deletions

diff --git a/src/chain.rs b/src/chain.rs
index 9b9848a..a8014b8 100644
--- a/src/chain.rs
+++ b/src/chain.rs
@@ -1,19 +1,21 @@
-use std::io::{ Result, Read, Write };
+use std::io::{Read, Result, Write};
 
 pub struct Chain<T> {
     elem: Vec<T>,
-    index: usize
+    index: usize,
 }
 
 impl<T: Read> Read for Chain<T> {
     fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
         loop {
             match self.elem.get_mut(self.index) {
-                Some(ref mut r) => match try!(r.read(buf)) {
-                    0 => self.index += 1,
-                    n => return Ok(n)
-                },
-                None => return Ok(0)
+                Some(ref mut r) => {
+                    match try!(r.read(buf)) {
+                        0 => self.index += 1,
+                        n => return Ok(n),
+                    }
+                }
+                None => return Ok(0),
             }
         }
     }
@@ -23,11 +25,13 @@ impl<T: Write> Write for Chain<T> {
     fn write(&mut self, buf: &[u8]) -> Result<usize> {
         loop {
             match self.elem.get_mut(self.index) {
-                Some(ref mut r) => match try!(r.write(buf)) {
-                    0 => self.index += 1,
-                    n => return Ok(n)
-                },
-                None => return Ok(0)
+                Some(ref mut r) => {
+                    match try!(r.write(buf)) {
+                        0 => self.index += 1,
+                        n => return Ok(n),
+                    }
+                }
+                None => return Ok(0),
             }
         }
     }
@@ -35,14 +39,16 @@ impl<T: Write> Write for Chain<T> {
     fn flush(&mut self) -> Result<()> {
         match self.elem.get_mut(self.index) {
             Some(ref mut r) => r.flush(),
-            None => Ok(())
+            None => Ok(()),
         }
     }
-
 }
 
 impl<T> Chain<T> {
     pub fn new(elem: Vec<T>) -> Chain<T> {
-        Chain { index: 0, elem: elem }
+        Chain {
+            index: 0,
+            elem: elem,
+        }
     }
 }