[dependencies] Replace log4rs by stderrlog

Cargo.toml

@@ -26,7 +26,7 @@ termion = { version = "1.4.0", optional = true }
 rustbox = { version = "0.9.0", optional = true }
 
 [dev-dependencies]
-log4rs = "0.5.2"
+stderrlog = "0.2"
 rand = "0.3.15"
 
 [[example]]

examples/demo.rs

@@ -1,6 +1,6 @@
 #[macro_use]
 extern crate log;
-
+extern crate stderrlog;
 extern crate termion;
 extern crate tui;
 
@@ -8,7 +8,6 @@ mod util;
 
 use std::io;
 use std::thread;
-use std::env;
 use std::time;
 use std::sync::mpsc;
 
@@ -57,12 +56,11 @@ enum Event {
 }
 
 fn main() {
-    for argument in env::args() {
-        if argument == "--log" {
-            setup_log("demo.log");
-        }
-    }
-
+    stderrlog::new()
+        .module(module_path!())
+        .verbosity(4)
+        .init()
+        .unwrap();
     info!("Start");
 
     let mut rand_signal = RandomSignal::new(0, 100);

examples/util/mod.rs

@@ -1,32 +1,9 @@
 #![allow(dead_code)]
 
-extern crate log4rs;
-extern crate log;
 extern crate rand;
 
 use self::rand::distributions::{IndependentSample, Range};
 
-use self::log::LogLevelFilter;
-use self::log4rs::append::file::FileAppender;
-use self::log4rs::encode::pattern::PatternEncoder;
-use self::log4rs::config::{Appender, Config, Root};
-
-pub fn setup_log(file_name: &str) {
-    let log = FileAppender::builder()
-        .encoder(Box::new(PatternEncoder::new(
-            "{l} / {d(%H:%M:%S)} / \
-             {M}:{L}{n}{m}{n}{n}",
-        )))
-        .build(file_name)
-        .unwrap();
-
-    let config = Config::builder()
-        .appender(Appender::builder().build("log", Box::new(log)))
-        .build(Root::builder().appender("log").build(LogLevelFilter::Debug))
-        .unwrap();
-    log4rs::init_config(config).unwrap();
-}
-
 #[derive(Clone)]
 pub struct RandomSignal {
     range: Range<u64>,