use secrets::Secret;

fn main() {
    Secret::<[u8; 16]>::random(|s| {
        // use `s` as if it were a `&mut [u8; 16]`
        //
        // the memory is `mlock(2)`ed and will be zeroed when this closure
        // exits
        println!("{:?}", s);
        println!("{:?}", *s);
    });
}