closer 0.1.2

simple signal for closing process
Documentation 
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extern crate closer;

use std::thread;
use std::time::Duration;

fn main() {
    let closer = closer::Closer::init();

    loop {
        if closer.is_closed() {
            println!("caught die signal, prepare to exit");
            break;
        }

        println!("working...");
        thread::sleep(Duration::from_secs(2));
    }

    println!("died...");
}