Trait CalendarDate

pub trait CalendarDate: Sized + Display {
    const MIN: Self;
    const MAX: Self;

    // Required methods
    fn as_julian(&self) -> i32;
    fn from_julian(value: i32) -> Option<Self>;

    // Provided methods
    fn tomorrow(self) -> Option<Self> { ... }
    fn yesterday(self) -> Option<Self> { ... }
    fn convert<T: CalendarDate>(self) -> T { ... }
}

A minimum set of functionality a typical calendar should provide.

Required Associated Constants

const MIN: Self

Earliest representable date.

const MAX: Self

Latest representable date.

Required Methods

fn as_julian(&self) -> i32

Convert the date into the corresponding Julian Day Number.

fn from_julian(value: i32) -> Option<Self>

Get the date from the corresponding Julian

Provided Methods

fn tomorrow(self) -> Option<Self>

fn yesterday(self) -> Option<Self>

fn convert<T: CalendarDate>(self) -> T

Converts the calendar date to a different calendar system.

Examples

use sac13::prelude::*;
use sac13::day_counts::*;

let date_sac13 : Date = JulianDay::new(2460000).unwrap().convert();
let date_greg : GregorianDate = date_sac13.convert();

It’s basically like the From trait, but because of the orphan rule I failed to implement it generically for all types that implement CalendarDate.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl CalendarDate for CycleEpochDay

const MIN: Self = Self::MIN

const MAX: Self = Self::MAX

impl CalendarDate for JulianDay

const MIN: Self = Self::MIN

const MAX: Self = Self::MAX

impl CalendarDate for Sac13Day

const MIN: Self = Self::MIN

const MAX: Self = Self::MAX

impl CalendarDate for UnixDay

const MIN: Self = Self::MIN

const MAX: Self = Self::MAX

impl CalendarDate for YearOrdinal

const MIN: Self

const MAX: Self

impl CalendarDate for Date

const MIN: Self

const MAX: Self

impl CalendarDate for GregorianDate

const MIN: Self = Self::MIN

const MAX: Self = Self::MAX