Struct chrono_ext::week::WeekSpecification

pub struct WeekSpecification { /* fields omitted */ }

Methods

impl WeekSpecification

pub fn new(
    first_day: Weekday,
    min_days_in_first_week: u32
) -> Result<WeekSpecification, Error>

pub fn sunday_start() -> WeekSpecification

pub fn iso_week() -> WeekSpecification

pub fn french_theater_week() -> WeekSpecification

pub fn first_day(&self) -> Weekday

pub fn min_days_in_first_week(&self) -> u32

pub fn first_day_of_week_based_year(&self, year: i32) -> NaiveDate

Find the first day of week based year for current specification.

use chrono::NaiveDate;
use chrono_ext::WeekSpecification;

let iso_week: WeekSpecification = WeekSpecification::iso_week();
let french_theater_week: WeekSpecification = WeekSpecification::french_theater_week();

assert_eq!(NaiveDate::from_ymd(2018, 12, 31), iso_week.first_day_of_week_based_year(2019));
assert_eq!(NaiveDate::from_ymd(2019, 1, 2), french_theater_week.first_day_of_week_based_year(2019));

pub fn last_day_of_week_based_year(&self, year: i32) -> NaiveDate

Find the last day of week based year for current specification.

use chrono::NaiveDate;
use chrono_ext::WeekSpecification;

let iso_week: WeekSpecification = WeekSpecification::iso_week();
let french_theater_week: WeekSpecification = WeekSpecification::french_theater_week();

assert_eq!(NaiveDate::from_ymd(2019, 12, 29), iso_week.last_day_of_week_based_year(2019));
assert_eq!(NaiveDate::from_ymd(2019, 12, 31), french_theater_week.last_day_of_week_based_year(2019));

pub fn num_weeks(&self, year: i32) -> u32

Count year weeks for current week specification.

use chrono_ext::WeekSpecification;

let iso_week: WeekSpecification = WeekSpecification::iso_week();
let french_theater_week: WeekSpecification = WeekSpecification::french_theater_week();

assert_eq!(52, iso_week.num_weeks(2019));
assert_eq!(52, french_theater_week.num_weeks(2019));
assert_eq!(53, french_theater_week.num_weeks(2016));

pub fn num_days_from_first_dow(&self, day: Weekday) -> u32

Number of days from current week (from 0 to 6).

use chrono::Weekday;
use chrono_ext::WeekSpecification;

let french_theater_week: WeekSpecification = WeekSpecification::french_theater_week();

assert_eq!(0, french_theater_week.num_days_from_first_dow(Weekday::Wed));
assert_eq!(6, french_theater_week.num_days_from_first_dow(Weekday::Tue));

pub fn number_from_first_dow(&self, day: Weekday) -> u32

Number of the day from current week specification (from 1 to 7).

use chrono::Weekday;
use chrono_ext::WeekSpecification;

let french_theater_week: WeekSpecification = WeekSpecification::french_theater_week();

assert_eq!(1, french_theater_week.number_from_first_dow(Weekday::Wed));
assert_eq!(7, french_theater_week.number_from_first_dow(Weekday::Tue));

pub fn week_from_date(&self, date: NaiveDate) -> CustomWeek

Compute week for a given date, according current specification.

use chrono::NaiveDate;
use chrono_ext::{WeekSpecification, CustomWeek};

let french_theater_week: WeekSpecification = WeekSpecification::french_theater_week();

let french_theater_first_dow_2016_53 = NaiveDate::from_ymd(2016, 12, 28);
let french_theater_last_dow_2016_53 = NaiveDate::from_ymd(2017, 1, 3);

let week = french_theater_week.week_from_date(french_theater_last_dow_2016_53);

assert_eq!(2016, week.year());
assert_eq!(53, week.week());
assert_eq!(52, week.week0());
assert_eq!(french_theater_first_dow_2016_53, week.week_start());
assert_eq!(french_theater_week, week.specification());

pub fn week_from_yw(&self, year: i32, week: u32) -> Result<CustomWeek, Error>

Compute week for a given year/week number, according current specification.

use chrono::NaiveDate;
use chrono_ext::{WeekSpecification, CustomWeek};

let french_theater_week: WeekSpecification = WeekSpecification::french_theater_week();

let french_theater_first_dow_2016_53 = NaiveDate::from_ymd(2016, 12, 28);

let week = french_theater_week.week_from_yw(2016, 53).unwrap();

assert_eq!(2016, week.year());
assert_eq!(53, week.week());
assert_eq!(52, week.week0());
assert_eq!(french_theater_first_dow_2016_53, week.week_start());
assert_eq!(french_theater_week, week.specification());

Trait Implementations

impl Clone for WeekSpecification

fn clone(&self) -> WeekSpecification

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for WeekSpecification

impl Debug for WeekSpecification

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Eq for WeekSpecification

impl PartialEq<WeekSpecification> for WeekSpecification

fn eq(&self, other: &WeekSpecification) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &WeekSpecification) -> bool

This method tests for !=.

impl StructuralEq for WeekSpecification

impl StructuralPartialEq for WeekSpecification