From 8955b55e62f215ae0b6da10b4d02ae7dbcc6f9c9 Mon Sep 17 00:00:00 2001
From: Ran Benita <ran234@gmail.com>
Date: Sat, 25 Mar 2017 18:01:40 +0300
Subject: [PATCH] Simplify concatenation code using slice::concat

---
 src/protocol/frame/frame.rs | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/protocol/frame/frame.rs b/src/protocol/frame/frame.rs
index f3a81e8..6fbcf12 100644
--- a/src/protocol/frame/frame.rs
+++ b/src/protocol/frame/frame.rs
@@ -2,7 +2,6 @@ use std::fmt;
 use std::mem::transmute;
 use std::io::{Cursor, Read, Write};
 use std::default::Default;
-use std::iter::FromIterator;
 use std::string::{String, FromUtf8Error};
 use std::result::Result as StdResult;
 use byteorder::{ByteOrder, NetworkEndian};
@@ -274,10 +273,7 @@ impl Frame {
                 let u: u16 = code.into();
                 transmute(u.to_be())
             };
-            Vec::from_iter(
-                raw[..].iter()
-                       .chain(reason.as_bytes().iter())
-                       .map(|&b| b))
+            [&raw[..], reason.as_bytes()].concat()
         } else {
             Vec::new()
         };