rustlings 6.5.0

Small exercises to get you used to reading and writing Rust code!
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// You can use the `use` keyword to bring module paths from modules from
// anywhere and especially from the standard library into your scope.

// TODO: Bring `SystemTime` and `UNIX_EPOCH` from the `std::time` module into
// your scope. Bonus style points if you can do it with one line!
// use ???;

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