Module icu_calendar::japanese

source ·
Expand description

This module contains types and implementations for the Japanese calendar.

use icu::calendar::japanese::Japanese;
use icu::calendar::{types::Era, Date, DateTime};
use tinystr::tinystr;

let japanese_calendar = Japanese::new();

// `Date` type
let date_iso = Date::try_new_iso_date(1970, 1, 2)
    .expect("Failed to initialize ISO Date instance.");
let date_japanese = Date::new_from_iso(date_iso, japanese_calendar.clone());

// `DateTime` type
let datetime_iso = DateTime::try_new_iso_datetime(1970, 1, 2, 13, 1, 0)
    .expect("Failed to initialize ISO DateTime instance.");
let datetime_japanese =
    DateTime::new_from_iso(datetime_iso, japanese_calendar.clone());

// `Date` checks
assert_eq!(date_japanese.year().number, 45);
assert_eq!(date_japanese.month().ordinal, 1);
assert_eq!(date_japanese.day_of_month().0, 2);
assert_eq!(date_japanese.year().era, Era(tinystr!(16, "showa")));

// `DateTime` type
assert_eq!(datetime_japanese.date.year().number, 45);
assert_eq!(datetime_japanese.date.month().ordinal, 1);
assert_eq!(datetime_japanese.date.day_of_month().0, 2);
assert_eq!(
    datetime_japanese.date.year().era,
    Era(tinystr!(16, "showa"))
);
assert_eq!(datetime_japanese.time.hour.number(), 13);
assert_eq!(datetime_japanese.time.minute.number(), 1);
assert_eq!(datetime_japanese.time.second.number(), 0);

Structs§

Constants§