//! The [`PrimitiveDateTime`] struct and its associated `impl`s.
use core::fmt;
use core::ops::{Add, AddAssign, Sub, SubAssign};
use core::time::Duration as StdDuration;
#[cfg(feature = "formatting")]
use std::io;
use crate::date_time::offset_kind;
#[cfg(feature = "formatting")]
use crate::formatting::Formattable;
#[cfg(feature = "parsing")]
use crate::parsing::Parsable;
use crate::{error, Date, DateTime, Duration, Month, OffsetDateTime, Time, UtcOffset, Weekday};
/// The actual type doing all the work.
type Inner = DateTime<offset_kind::None>;
/// Combined date and time.
#[derive(Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct PrimitiveDateTime(#[allow(clippy::missing_docs_in_private_items)] pub(crate) Inner);
impl PrimitiveDateTime {
/// The smallest value that can be represented by `PrimitiveDateTime`.
///
/// Depending on `large-dates` feature flag, value of this constant may vary.
///
/// 1. With `large-dates` disabled it is equal to `-9999-01-01 00:00:00.0`
/// 2. With `large-dates` enabled it is equal to `-999999-01-01 00:00:00.0`
///
/// ```rust
/// # use time::PrimitiveDateTime;
/// # use time_macros::datetime;
#[cfg_attr(
feature = "large-dates",
doc = "// Assuming `large-dates` feature is enabled."
)]
#[cfg_attr(
feature = "large-dates",
doc = "assert_eq!(PrimitiveDateTime::MIN, datetime!(-999999-01-01 0:00));"
)]
#[cfg_attr(
not(feature = "large-dates"),
doc = "// Assuming `large-dates` feature is disabled."
)]
#[cfg_attr(
not(feature = "large-dates"),
doc = "assert_eq!(PrimitiveDateTime::MIN, datetime!(-9999-01-01 0:00));"
)]
/// ```
pub const MIN: Self = Self(Inner::MIN);
/// The largest value that can be represented by `PrimitiveDateTime`.
///
/// Depending on `large-dates` feature flag, value of this constant may vary.
///
/// 1. With `large-dates` disabled it is equal to `9999-12-31 23:59:59.999_999_999`
/// 2. With `large-dates` enabled it is equal to `999999-12-31 23:59:59.999_999_999`
///
/// ```rust
/// # use time::PrimitiveDateTime;
/// # use time_macros::datetime;
#[cfg_attr(
feature = "large-dates",
doc = "// Assuming `large-dates` feature is enabled."
)]
#[cfg_attr(
feature = "large-dates",
doc = "assert_eq!(PrimitiveDateTime::MAX, datetime!(+999999-12-31 23:59:59.999_999_999));"
)]
#[cfg_attr(
not(feature = "large-dates"),
doc = "// Assuming `large-dates` feature is disabled."
)]
#[cfg_attr(
not(feature = "large-dates"),
doc = "assert_eq!(PrimitiveDateTime::MAX, datetime!(+9999-12-31 23:59:59.999_999_999));"
)]
/// ```
pub const MAX: Self = Self(Inner::MAX);
/// Create a new `PrimitiveDateTime` from the provided [`Date`] and [`Time`].
///
/// ```rust
/// # use time::PrimitiveDateTime;
/// # use time_macros::{date, datetime, time};
/// assert_eq!(
/// PrimitiveDateTime::new(date!(2019-01-01), time!(0:00)),
/// datetime!(2019-01-01 0:00),
/// );
/// ```
pub const fn new(date: Date, time: Time) -> Self {
Self(Inner::new(date, time))
}
// region: component getters
/// Get the [`Date`] component of the `PrimitiveDateTime`.
///
/// ```rust
/// # use time_macros::{date, datetime};
/// assert_eq!(datetime!(2019-01-01 0:00).date(), date!(2019-01-01));
/// ```
pub const fn date(self) -> Date {
self.0.date()
}
/// Get the [`Time`] component of the `PrimitiveDateTime`.
///
/// ```rust
/// # use time_macros::{datetime, time};
/// assert_eq!(datetime!(2019-01-01 0:00).time(), time!(0:00));
pub const fn time(self) -> Time {
self.0.time()
}
// endregion component getters
// region: date getters
/// Get the year of the date.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).year(), 2019);
/// assert_eq!(datetime!(2019-12-31 0:00).year(), 2019);
/// assert_eq!(datetime!(2020-01-01 0:00).year(), 2020);
/// ```
pub const fn year(self) -> i32 {
self.0.year()
}
/// Get the month of the date.
///
/// ```rust
/// # use time::Month;
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).month(), Month::January);
/// assert_eq!(datetime!(2019-12-31 0:00).month(), Month::December);
/// ```
pub const fn month(self) -> Month {
self.0.month()
}
/// Get the day of the date.
///
/// The returned value will always be in the range `1..=31`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).day(), 1);
/// assert_eq!(datetime!(2019-12-31 0:00).day(), 31);
/// ```
pub const fn day(self) -> u8 {
self.0.day()
}
/// Get the day of the year.
///
/// The returned value will always be in the range `1..=366` (`1..=365` for common years).
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).ordinal(), 1);
/// assert_eq!(datetime!(2019-12-31 0:00).ordinal(), 365);
/// ```
pub const fn ordinal(self) -> u16 {
self.0.ordinal()
}
/// Get the ISO week number.
///
/// The returned value will always be in the range `1..=53`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).iso_week(), 1);
/// assert_eq!(datetime!(2019-10-04 0:00).iso_week(), 40);
/// assert_eq!(datetime!(2020-01-01 0:00).iso_week(), 1);
/// assert_eq!(datetime!(2020-12-31 0:00).iso_week(), 53);
/// assert_eq!(datetime!(2021-01-01 0:00).iso_week(), 53);
/// ```
pub const fn iso_week(self) -> u8 {
self.0.iso_week()
}
/// Get the week number where week 1 begins on the first Sunday.
///
/// The returned value will always be in the range `0..=53`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).sunday_based_week(), 0);
/// assert_eq!(datetime!(2020-01-01 0:00).sunday_based_week(), 0);
/// assert_eq!(datetime!(2020-12-31 0:00).sunday_based_week(), 52);
/// assert_eq!(datetime!(2021-01-01 0:00).sunday_based_week(), 0);
/// ```
pub const fn sunday_based_week(self) -> u8 {
self.0.sunday_based_week()
}
/// Get the week number where week 1 begins on the first Monday.
///
/// The returned value will always be in the range `0..=53`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).monday_based_week(), 0);
/// assert_eq!(datetime!(2020-01-01 0:00).monday_based_week(), 0);
/// assert_eq!(datetime!(2020-12-31 0:00).monday_based_week(), 52);
/// assert_eq!(datetime!(2021-01-01 0:00).monday_based_week(), 0);
/// ```
pub const fn monday_based_week(self) -> u8 {
self.0.monday_based_week()
}
/// Get the year, month, and day.
///
/// ```rust
/// # use time::Month;
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2019-01-01 0:00).to_calendar_date(),
/// (2019, Month::January, 1)
/// );
/// ```
pub const fn to_calendar_date(self) -> (i32, Month, u8) {
self.0.to_calendar_date()
}
/// Get the year and ordinal day number.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).to_ordinal_date(), (2019, 1));
/// ```
pub const fn to_ordinal_date(self) -> (i32, u16) {
self.0.to_ordinal_date()
}
/// Get the ISO 8601 year, week number, and weekday.
///
/// ```rust
/// # use time::Weekday::*;
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2019-01-01 0:00).to_iso_week_date(),
/// (2019, 1, Tuesday)
/// );
/// assert_eq!(
/// datetime!(2019-10-04 0:00).to_iso_week_date(),
/// (2019, 40, Friday)
/// );
/// assert_eq!(
/// datetime!(2020-01-01 0:00).to_iso_week_date(),
/// (2020, 1, Wednesday)
/// );
/// assert_eq!(
/// datetime!(2020-12-31 0:00).to_iso_week_date(),
/// (2020, 53, Thursday)
/// );
/// assert_eq!(
/// datetime!(2021-01-01 0:00).to_iso_week_date(),
/// (2020, 53, Friday)
/// );
/// ```
pub const fn to_iso_week_date(self) -> (i32, u8, Weekday) {
self.0.to_iso_week_date()
}
/// Get the weekday.
///
/// ```rust
/// # use time::Weekday::*;
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).weekday(), Tuesday);
/// assert_eq!(datetime!(2019-02-01 0:00).weekday(), Friday);
/// assert_eq!(datetime!(2019-03-01 0:00).weekday(), Friday);
/// assert_eq!(datetime!(2019-04-01 0:00).weekday(), Monday);
/// assert_eq!(datetime!(2019-05-01 0:00).weekday(), Wednesday);
/// assert_eq!(datetime!(2019-06-01 0:00).weekday(), Saturday);
/// assert_eq!(datetime!(2019-07-01 0:00).weekday(), Monday);
/// assert_eq!(datetime!(2019-08-01 0:00).weekday(), Thursday);
/// assert_eq!(datetime!(2019-09-01 0:00).weekday(), Sunday);
/// assert_eq!(datetime!(2019-10-01 0:00).weekday(), Tuesday);
/// assert_eq!(datetime!(2019-11-01 0:00).weekday(), Friday);
/// assert_eq!(datetime!(2019-12-01 0:00).weekday(), Sunday);
/// ```
pub const fn weekday(self) -> Weekday {
self.0.weekday()
}
/// Get the Julian day for the date. The time is not taken into account for this calculation.
///
/// The algorithm to perform this conversion is derived from one provided by Peter Baum; it is
/// freely available [here](https://www.researchgate.net/publication/316558298_Date_Algorithms).
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(-4713-11-24 0:00).to_julian_day(), 0);
/// assert_eq!(datetime!(2000-01-01 0:00).to_julian_day(), 2_451_545);
/// assert_eq!(datetime!(2019-01-01 0:00).to_julian_day(), 2_458_485);
/// assert_eq!(datetime!(2019-12-31 0:00).to_julian_day(), 2_458_849);
/// ```
pub const fn to_julian_day(self) -> i32 {
self.0.to_julian_day()
}
// endregion date getters
// region: time getters
/// Get the clock hour, minute, and second.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2020-01-01 0:00:00).as_hms(), (0, 0, 0));
/// assert_eq!(datetime!(2020-01-01 23:59:59).as_hms(), (23, 59, 59));
/// ```
pub const fn as_hms(self) -> (u8, u8, u8) {
self.0.as_hms()
}
/// Get the clock hour, minute, second, and millisecond.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2020-01-01 0:00:00).as_hms_milli(), (0, 0, 0, 0));
/// assert_eq!(
/// datetime!(2020-01-01 23:59:59.999).as_hms_milli(),
/// (23, 59, 59, 999)
/// );
/// ```
pub const fn as_hms_milli(self) -> (u8, u8, u8, u16) {
self.0.as_hms_milli()
}
/// Get the clock hour, minute, second, and microsecond.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2020-01-01 0:00:00).as_hms_micro(), (0, 0, 0, 0));
/// assert_eq!(
/// datetime!(2020-01-01 23:59:59.999_999).as_hms_micro(),
/// (23, 59, 59, 999_999)
/// );
/// ```
pub const fn as_hms_micro(self) -> (u8, u8, u8, u32) {
self.0.as_hms_micro()
}
/// Get the clock hour, minute, second, and nanosecond.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2020-01-01 0:00:00).as_hms_nano(), (0, 0, 0, 0));
/// assert_eq!(
/// datetime!(2020-01-01 23:59:59.999_999_999).as_hms_nano(),
/// (23, 59, 59, 999_999_999)
/// );
/// ```
pub const fn as_hms_nano(self) -> (u8, u8, u8, u32) {
self.0.as_hms_nano()
}
/// Get the clock hour.
///
/// The returned value will always be in the range `0..24`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).hour(), 0);
/// assert_eq!(datetime!(2019-01-01 23:59:59).hour(), 23);
/// ```
pub const fn hour(self) -> u8 {
self.0.hour()
}
/// Get the minute within the hour.
///
/// The returned value will always be in the range `0..60`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).minute(), 0);
/// assert_eq!(datetime!(2019-01-01 23:59:59).minute(), 59);
/// ```
pub const fn minute(self) -> u8 {
self.0.minute()
}
/// Get the second within the minute.
///
/// The returned value will always be in the range `0..60`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).second(), 0);
/// assert_eq!(datetime!(2019-01-01 23:59:59).second(), 59);
/// ```
pub const fn second(self) -> u8 {
self.0.second()
}
/// Get the milliseconds within the second.
///
/// The returned value will always be in the range `0..1_000`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).millisecond(), 0);
/// assert_eq!(datetime!(2019-01-01 23:59:59.999).millisecond(), 999);
/// ```
pub const fn millisecond(self) -> u16 {
self.0.millisecond()
}
/// Get the microseconds within the second.
///
/// The returned value will always be in the range `0..1_000_000`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).microsecond(), 0);
/// assert_eq!(
/// datetime!(2019-01-01 23:59:59.999_999).microsecond(),
/// 999_999
/// );
/// ```
pub const fn microsecond(self) -> u32 {
self.0.microsecond()
}
/// Get the nanoseconds within the second.
///
/// The returned value will always be in the range `0..1_000_000_000`.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(datetime!(2019-01-01 0:00).nanosecond(), 0);
/// assert_eq!(
/// datetime!(2019-01-01 23:59:59.999_999_999).nanosecond(),
/// 999_999_999,
/// );
/// ```
pub const fn nanosecond(self) -> u32 {
self.0.nanosecond()
}
// endregion time getters
// region: attach offset
/// Assuming that the existing `PrimitiveDateTime` represents a moment in the provided
/// [`UtcOffset`], return an [`OffsetDateTime`].
///
/// ```rust
/// # use time_macros::{datetime, offset};
/// assert_eq!(
/// datetime!(2019-01-01 0:00)
/// .assume_offset(offset!(UTC))
/// .unix_timestamp(),
/// 1_546_300_800,
/// );
/// assert_eq!(
/// datetime!(2019-01-01 0:00)
/// .assume_offset(offset!(-1))
/// .unix_timestamp(),
/// 1_546_304_400,
/// );
/// ```
pub const fn assume_offset(self, offset: UtcOffset) -> OffsetDateTime {
OffsetDateTime(self.0.assume_offset(offset))
}
/// Assuming that the existing `PrimitiveDateTime` represents a moment in UTC, return an
/// [`OffsetDateTime`].
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2019-01-01 0:00).assume_utc().unix_timestamp(),
/// 1_546_300_800,
/// );
/// ```
pub const fn assume_utc(self) -> OffsetDateTime {
OffsetDateTime(self.0.assume_utc())
}
// endregion attach offset
// region: checked arithmetic
/// Computes `self + duration`, returning `None` if an overflow occurred.
///
/// ```
/// # use time::{Date, ext::NumericalDuration};
/// # use time_macros::datetime;
/// let datetime = Date::MIN.midnight();
/// assert_eq!(datetime.checked_add((-2).days()), None);
///
/// let datetime = Date::MAX.midnight();
/// assert_eq!(datetime.checked_add(1.days()), None);
///
/// assert_eq!(
/// datetime!(2019 - 11 - 25 15:30).checked_add(27.hours()),
/// Some(datetime!(2019 - 11 - 26 18:30))
/// );
/// ```
pub const fn checked_add(self, duration: Duration) -> Option<Self> {
Some(Self(const_try_opt!(self.0.checked_add(duration))))
}
/// Computes `self - duration`, returning `None` if an overflow occurred.
///
/// ```
/// # use time::{Date, ext::NumericalDuration};
/// # use time_macros::datetime;
/// let datetime = Date::MIN.midnight();
/// assert_eq!(datetime.checked_sub(2.days()), None);
///
/// let datetime = Date::MAX.midnight();
/// assert_eq!(datetime.checked_sub((-1).days()), None);
///
/// assert_eq!(
/// datetime!(2019 - 11 - 25 15:30).checked_sub(27.hours()),
/// Some(datetime!(2019 - 11 - 24 12:30))
/// );
/// ```
pub const fn checked_sub(self, duration: Duration) -> Option<Self> {
Some(Self(const_try_opt!(self.0.checked_sub(duration))))
}
// endregion: checked arithmetic
// region: saturating arithmetic
/// Computes `self + duration`, saturating value on overflow.
///
/// ```
/// # use time::{PrimitiveDateTime, ext::NumericalDuration};
/// # use time_macros::datetime;
/// assert_eq!(
/// PrimitiveDateTime::MIN.saturating_add((-2).days()),
/// PrimitiveDateTime::MIN
/// );
///
/// assert_eq!(
/// PrimitiveDateTime::MAX.saturating_add(2.days()),
/// PrimitiveDateTime::MAX
/// );
///
/// assert_eq!(
/// datetime!(2019 - 11 - 25 15:30).saturating_add(27.hours()),
/// datetime!(2019 - 11 - 26 18:30)
/// );
/// ```
pub const fn saturating_add(self, duration: Duration) -> Self {
Self(self.0.saturating_add(duration))
}
/// Computes `self - duration`, saturating value on overflow.
///
/// ```
/// # use time::{PrimitiveDateTime, ext::NumericalDuration};
/// # use time_macros::datetime;
/// assert_eq!(
/// PrimitiveDateTime::MIN.saturating_sub(2.days()),
/// PrimitiveDateTime::MIN
/// );
///
/// assert_eq!(
/// PrimitiveDateTime::MAX.saturating_sub((-2).days()),
/// PrimitiveDateTime::MAX
/// );
///
/// assert_eq!(
/// datetime!(2019 - 11 - 25 15:30).saturating_sub(27.hours()),
/// datetime!(2019 - 11 - 24 12:30)
/// );
/// ```
pub const fn saturating_sub(self, duration: Duration) -> Self {
Self(self.0.saturating_sub(duration))
}
// endregion: saturating arithmetic
}
// region: replacement
/// Methods that replace part of the `PrimitiveDateTime`.
impl PrimitiveDateTime {
/// Replace the time, preserving the date.
///
/// ```rust
/// # use time_macros::{datetime, time};
/// assert_eq!(
/// datetime!(2020-01-01 17:00).replace_time(time!(5:00)),
/// datetime!(2020-01-01 5:00)
/// );
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_time(self, time: Time) -> Self {
Self(self.0.replace_time(time))
}
/// Replace the date, preserving the time.
///
/// ```rust
/// # use time_macros::{datetime, date};
/// assert_eq!(
/// datetime!(2020-01-01 12:00).replace_date(date!(2020-01-30)),
/// datetime!(2020-01-30 12:00)
/// );
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_date(self, date: Date) -> Self {
Self(self.0.replace_date(date))
}
/// Replace the year. The month and day will be unchanged.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 12:00).replace_year(2019),
/// Ok(datetime!(2019 - 02 - 18 12:00))
/// );
/// assert!(datetime!(2022 - 02 - 18 12:00).replace_year(-1_000_000_000).is_err()); // -1_000_000_000 isn't a valid year
/// assert!(datetime!(2022 - 02 - 18 12:00).replace_year(1_000_000_000).is_err()); // 1_000_000_000 isn't a valid year
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_year(self, year: i32) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_year(year))))
}
/// Replace the month of the year.
///
/// ```rust
/// # use time_macros::datetime;
/// # use time::Month;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 12:00).replace_month(Month::January),
/// Ok(datetime!(2022 - 01 - 18 12:00))
/// );
/// assert!(datetime!(2022 - 01 - 30 12:00).replace_month(Month::February).is_err()); // 30 isn't a valid day in February
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_month(self, month: Month) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_month(month))))
}
/// Replace the day of the month.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 12:00).replace_day(1),
/// Ok(datetime!(2022 - 02 - 01 12:00))
/// );
/// assert!(datetime!(2022 - 02 - 18 12:00).replace_day(0).is_err()); // 00 isn't a valid day
/// assert!(datetime!(2022 - 02 - 18 12:00).replace_day(30).is_err()); // 30 isn't a valid day in February
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_day(self, day: u8) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_day(day))))
}
/// Replace the clock hour.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_hour(7),
/// Ok(datetime!(2022 - 02 - 18 07:02:03.004_005_006))
/// );
/// assert!(datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_hour(24).is_err()); // 24 isn't a valid hour
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_hour(self, hour: u8) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_hour(hour))))
}
/// Replace the minutes within the hour.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_minute(7),
/// Ok(datetime!(2022 - 02 - 18 01:07:03.004_005_006))
/// );
/// assert!(datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_minute(60).is_err()); // 60 isn't a valid minute
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_minute(self, minute: u8) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_minute(minute))))
}
/// Replace the seconds within the minute.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_second(7),
/// Ok(datetime!(2022 - 02 - 18 01:02:07.004_005_006))
/// );
/// assert!(datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_second(60).is_err()); // 60 isn't a valid second
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_second(self, second: u8) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_second(second))))
}
/// Replace the milliseconds within the second.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_millisecond(7),
/// Ok(datetime!(2022 - 02 - 18 01:02:03.007))
/// );
/// assert!(datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_millisecond(1_000).is_err()); // 1_000 isn't a valid millisecond
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_millisecond(
self,
millisecond: u16,
) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_millisecond(millisecond))))
}
/// Replace the microseconds within the second.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_microsecond(7_008),
/// Ok(datetime!(2022 - 02 - 18 01:02:03.007_008))
/// );
/// assert!(datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_microsecond(1_000_000).is_err()); // 1_000_000 isn't a valid microsecond
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_microsecond(
self,
microsecond: u32,
) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_microsecond(microsecond))))
}
/// Replace the nanoseconds within the second.
///
/// ```rust
/// # use time_macros::datetime;
/// assert_eq!(
/// datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_nanosecond(7_008_009),
/// Ok(datetime!(2022 - 02 - 18 01:02:03.007_008_009))
/// );
/// assert!(datetime!(2022 - 02 - 18 01:02:03.004_005_006).replace_nanosecond(1_000_000_000).is_err()); // 1_000_000_000 isn't a valid nanosecond
/// ```
#[must_use = "This method does not mutate the original `PrimitiveDateTime`."]
pub const fn replace_nanosecond(self, nanosecond: u32) -> Result<Self, error::ComponentRange> {
Ok(Self(const_try!(self.0.replace_nanosecond(nanosecond))))
}
}
// endregion replacement
// region: formatting & parsing
#[cfg(feature = "formatting")]
impl PrimitiveDateTime {
/// Format the `PrimitiveDateTime` using the provided [format
/// description](crate::format_description).
pub fn format_into(
self,
output: &mut impl io::Write,
format: &(impl Formattable + ?Sized),
) -> Result<usize, error::Format> {
self.0.format_into(output, format)
}
/// Format the `PrimitiveDateTime` using the provided [format
/// description](crate::format_description).
///
/// ```rust
/// # use time::format_description;
/// # use time_macros::datetime;
/// let format = format_description::parse("[year]-[month]-[day] [hour]:[minute]:[second]")?;
/// assert_eq!(
/// datetime!(2020-01-02 03:04:05).format(&format)?,
/// "2020-01-02 03:04:05"
/// );
/// # Ok::<_, time::Error>(())
/// ```
pub fn format(self, format: &(impl Formattable + ?Sized)) -> Result<String, error::Format> {
self.0.format(format)
}
}
#[cfg(feature = "parsing")]
impl PrimitiveDateTime {
/// Parse a `PrimitiveDateTime` from the input using the provided [format
/// description](crate::format_description).
///
/// ```rust
/// # use time::PrimitiveDateTime;
/// # use time_macros::{datetime, format_description};
/// let format = format_description!("[year]-[month]-[day] [hour]:[minute]:[second]");
/// assert_eq!(
/// PrimitiveDateTime::parse("2020-01-02 03:04:05", &format)?,
/// datetime!(2020-01-02 03:04:05)
/// );
/// # Ok::<_, time::Error>(())
/// ```
pub fn parse(
input: &str,
description: &(impl Parsable + ?Sized),
) -> Result<Self, error::Parse> {
Inner::parse(input, description).map(Self)
}
}
impl fmt::Display for PrimitiveDateTime {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.0.fmt(f)
}
}
impl fmt::Debug for PrimitiveDateTime {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(self, f)
}
}
// endregion formatting & parsing
// region: trait impls
impl Add<Duration> for PrimitiveDateTime {
type Output = Self;
fn add(self, duration: Duration) -> Self::Output {
Self(self.0.add(duration))
}
}
impl Add<StdDuration> for PrimitiveDateTime {
type Output = Self;
fn add(self, duration: StdDuration) -> Self::Output {
Self(self.0.add(duration))
}
}
impl AddAssign<Duration> for PrimitiveDateTime {
fn add_assign(&mut self, duration: Duration) {
self.0.add_assign(duration);
}
}
impl AddAssign<StdDuration> for PrimitiveDateTime {
fn add_assign(&mut self, duration: StdDuration) {
self.0.add_assign(duration);
}
}
impl Sub<Duration> for PrimitiveDateTime {
type Output = Self;
fn sub(self, duration: Duration) -> Self::Output {
Self(self.0.sub(duration))
}
}
impl Sub<StdDuration> for PrimitiveDateTime {
type Output = Self;
fn sub(self, duration: StdDuration) -> Self::Output {
Self(self.0.sub(duration))
}
}
impl SubAssign<Duration> for PrimitiveDateTime {
fn sub_assign(&mut self, duration: Duration) {
self.0.sub_assign(duration);
}
}
impl SubAssign<StdDuration> for PrimitiveDateTime {
fn sub_assign(&mut self, duration: StdDuration) {
self.0.sub_assign(duration);
}
}
impl Sub for PrimitiveDateTime {
type Output = Duration;
fn sub(self, rhs: Self) -> Self::Output {
self.0.sub(rhs.0)
}
}
// endregion trait impls