//use std::time::Instant;
use std::time::SystemTime;

fn main() {
    //let now = Instant::now();
    match SystemTime::now().duration_since(SystemTime::UNIX_EPOCH) {
        Ok(n) => println!("1970-01-01 00:00:00 UTC was {} seconds ago!", n.as_secs()),
        Err(_) => panic!("SystemTime before UNIX EPOCH!"),
    }
    //let now = SystemTime::now();
    //println!("{:?}", now);
}
