extern crate chrono;
extern crate retry_after;

use chrono::{Duration, UTC};
use retry_after::RetryAfter;

fn main() {
    // Create a RetryAfter::Delay header
    let retry_after_delay = RetryAfter::Delay(Duration::seconds(300));

    // Create a RetryAfter::DateTime header
    let retry_after_dt = RetryAfter::DateTime(UTC::now() + Duration::seconds(300));
}