use use_collatz::{collatz_sequence, parity_vector, total_stopping_time, verify_range};
fn main() {
assert_eq!(collatz_sequence(6), Some(vec![6, 3, 10, 5, 16, 8, 4, 2, 1]));
assert_eq!(total_stopping_time(6), Some(8));
assert_eq!(parity_vector(1), Some(vec![]));
let summary = verify_range(1, 10);
assert_eq!(summary.checked, 10);
assert_eq!(summary.max_total_stopping_time, Some((9, 19)));
}