#[macro_export]
macro_rules! assert_eq_u64 {
    ($a:expr, $b:expr) => {{
        let are_equal = $a == $b;
        let diff = $a ^ $b;
        eprintln!("Comparing u64:");
        let a_txt = format!("{:0>64b}", $a).replace('0', " ");
        let b_txt = format!("{:0>64b}", $b).replace('0', " ");
        let diff_txt = if diff == 0 {
            String::from("NONE")
        } else {
            format!("{:0>64b}", diff)
                .replace('0', " ")
                .replace('1', "~")
        };
        eprintln!("\t{a_txt}.");
        eprintln!("\t{b_txt}.");
        eprintln!("Diff:\t{diff_txt}.");

        // assert!(are_equal);
    }};
}