schedule_builder/
schedule-builder.rs

1use chrono::Local;
2use mawaqit::prelude::*;
3
4fn print_prayers(prayers: &PrayerTimes) {
5    for prayer in &[
6        Prayer::Fajr,
7        Prayer::Sunrise,
8        Prayer::Dhuhr,
9        Prayer::Asr,
10        Prayer::Maghrib,
11        Prayer::Isha,
12    ] {
13        let local = prayers.time(*prayer).with_timezone(&Local);
14        println!("  {prayer:>8?}  {}", local.format("%H:%M"));
15    }
16}
17
18fn main() {
19    // Use the builder to configure and compute prayer times.
20    let result = PrayerSchedule::new()
21        .on(NaiveDate::from_ymd_opt(2026, 6, 21).expect("invalid date"))
22        .for_location(Coordinates::new(50.85, 4.35)) // Brussels
23        .with_configuration(Configuration::with(
24            Method::MuslimWorldLeague,
25            Madhab::Shafi,
26        ))
27        .calculate();
28
29    match result {
30        Ok(prayers) => {
31            println!("Brussels — 2026-06-21 (MWL, Shafi):");
32            print_prayers(&prayers);
33        }
34        Err(e) => {
35            eprintln!("Error: {e}");
36        }
37    }
38
39    // The builder returns an error if required fields are missing.
40    let incomplete = PrayerSchedule::new()
41        .on(NaiveDate::from_ymd_opt(2026, 6, 21).expect("invalid date"))
42        .calculate();
43
44    match incomplete {
45        Ok(_) => println!("unexpected success"),
46        Err(e) => println!("\nExpected error: {e}"),
47    }
48}
schedule_builder/schedule-builder.rs

schedule_builder/
schedule-builder.rs
