From cb68361316cd6957aca9cab20bf3aa9149259ad6 Mon Sep 17 00:00:00 2001
From: Alexander Krotov <ilabdsf@gmail.com>
Date: Tue, 1 Aug 2017 12:47:47 +0300
Subject: [PATCH] Make variables immutable where mut is not required

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 77742c1..8664b38 100644
--- a/README.md
+++ b/README.md
@@ -34,9 +34,9 @@ communicate with their endpoints:
 extern crate libusb;
 
 fn main() {
-    let mut context = libusb::Context::new().unwrap();
+    let context = libusb::Context::new().unwrap();
 
-    for mut device in context.devices().unwrap().iter() {
+    for device in context.devices().unwrap().iter() {
         let device_desc = device.device_descriptor().unwrap();
 
         println!("Bus {:03} Device {:03} ID {:04x}:{:04x}",