Function dia_time::format_hms

pub fn format_hms(duration: &Duration) -> String

Examples: 02:53:58

use std::time::Duration;
use dia_time::{self, HOUR, MINUTE};

assert_eq!(
    dia_time::format_hms(&Duration::from_secs(HOUR * 2 + MINUTE * 53 + 58)),
    "02:53:58"
);