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</pre><pre class="rust"><code><span class="doccomment">//! The [`PrimitiveDateTime`] struct and its associated `impl`s.
</span><span class="kw">use </span>core::fmt;
<span class="kw">use </span>core::ops::{Add, AddAssign, Sub, SubAssign};
<span class="kw">use </span>core::time::Duration <span class="kw">as </span>StdDuration;
<span class="attribute">#[cfg(feature = <span class="string">&quot;formatting&quot;</span>)]
</span><span class="kw">use </span>std::io;
<span class="kw">use </span><span class="kw">crate</span>::date_time::offset_kind;
<span class="attribute">#[cfg(feature = <span class="string">&quot;formatting&quot;</span>)]
</span><span class="kw">use </span><span class="kw">crate</span>::formatting::Formattable;
<span class="attribute">#[cfg(feature = <span class="string">&quot;parsing&quot;</span>)]
</span><span class="kw">use </span><span class="kw">crate</span>::parsing::Parsable;
<span class="kw">use crate</span>::{error, Date, DateTime, Duration, Month, OffsetDateTime, Time, UtcOffset, Weekday};
<span class="doccomment">/// The actual type doing all the work.
</span><span class="kw">type </span>Inner = DateTime&lt;offset_kind::None&gt;;
<span class="doccomment">/// Combined date and time.
</span><span class="attribute">#[derive(Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
</span><span class="kw">pub struct </span>PrimitiveDateTime(<span class="attribute">#[allow(clippy::missing_docs_in_private_items)] </span><span class="kw">pub</span>(<span class="kw">crate</span>) Inner);
<span class="kw">impl </span>PrimitiveDateTime {
<span class="doccomment">/// 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;
</span><span class="attribute">#[cfg_attr(
feature = <span class="string">&quot;large-dates&quot;</span>,
doc = <span class="string">&quot;// Assuming `large-dates` feature is enabled.&quot;
</span>)]
#[cfg_attr(
feature = <span class="string">&quot;large-dates&quot;</span>,
doc = <span class="string">&quot;assert_eq!(PrimitiveDateTime::MIN, datetime!(-999999-01-01 0:00));&quot;
</span>)]
#[cfg_attr(
not(feature = <span class="string">&quot;large-dates&quot;</span>),
doc = <span class="string">&quot;// Assuming `large-dates` feature is disabled.&quot;
</span>)]
#[cfg_attr(
not(feature = <span class="string">&quot;large-dates&quot;</span>),
doc = <span class="string">&quot;assert_eq!(PrimitiveDateTime::MIN, datetime!(-9999-01-01 0:00));&quot;
</span>)]
</span><span class="doccomment">/// ```
</span><span class="kw">pub const </span>MIN: <span class="self">Self </span>= <span class="self">Self</span>(Inner::MIN);
<span class="doccomment">/// 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;
</span><span class="attribute">#[cfg_attr(
feature = <span class="string">&quot;large-dates&quot;</span>,
doc = <span class="string">&quot;// Assuming `large-dates` feature is enabled.&quot;
</span>)]
#[cfg_attr(
feature = <span class="string">&quot;large-dates&quot;</span>,
doc = <span class="string">&quot;assert_eq!(PrimitiveDateTime::MAX, datetime!(+999999-12-31 23:59:59.999_999_999));&quot;
</span>)]
#[cfg_attr(
not(feature = <span class="string">&quot;large-dates&quot;</span>),
doc = <span class="string">&quot;// Assuming `large-dates` feature is disabled.&quot;
</span>)]
#[cfg_attr(
not(feature = <span class="string">&quot;large-dates&quot;</span>),
doc = <span class="string">&quot;assert_eq!(PrimitiveDateTime::MAX, datetime!(+9999-12-31 23:59:59.999_999_999));&quot;
</span>)]
</span><span class="doccomment">/// ```
</span><span class="kw">pub const </span>MAX: <span class="self">Self </span>= <span class="self">Self</span>(Inner::MAX);
<span class="doccomment">/// 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),
/// );
/// ```
</span><span class="kw">pub const fn </span>new(date: Date, time: Time) -&gt; <span class="self">Self </span>{
<span class="self">Self</span>(Inner::new(date, time))
}
<span class="comment">// region: component getters
</span><span class="doccomment">/// 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));
/// ```
</span><span class="kw">pub const fn </span>date(<span class="self">self</span>) -&gt; Date {
<span class="self">self</span>.<span class="number">0</span>.date()
}
<span class="doccomment">/// 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));
</span><span class="kw">pub const fn </span>time(<span class="self">self</span>) -&gt; Time {
<span class="self">self</span>.<span class="number">0</span>.time()
}
<span class="comment">// endregion component getters
// region: date getters
</span><span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>year(<span class="self">self</span>) -&gt; i32 {
<span class="self">self</span>.<span class="number">0</span>.year()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>month(<span class="self">self</span>) -&gt; Month {
<span class="self">self</span>.<span class="number">0</span>.month()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>day(<span class="self">self</span>) -&gt; u8 {
<span class="self">self</span>.<span class="number">0</span>.day()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>ordinal(<span class="self">self</span>) -&gt; u16 {
<span class="self">self</span>.<span class="number">0</span>.ordinal()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>iso_week(<span class="self">self</span>) -&gt; u8 {
<span class="self">self</span>.<span class="number">0</span>.iso_week()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>sunday_based_week(<span class="self">self</span>) -&gt; u8 {
<span class="self">self</span>.<span class="number">0</span>.sunday_based_week()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>monday_based_week(<span class="self">self</span>) -&gt; u8 {
<span class="self">self</span>.<span class="number">0</span>.monday_based_week()
}
<span class="doccomment">/// 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)
/// );
/// ```
</span><span class="kw">pub const fn </span>to_calendar_date(<span class="self">self</span>) -&gt; (i32, Month, u8) {
<span class="self">self</span>.<span class="number">0</span>.to_calendar_date()
}
<span class="doccomment">/// 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));
/// ```
</span><span class="kw">pub const fn </span>to_ordinal_date(<span class="self">self</span>) -&gt; (i32, u16) {
<span class="self">self</span>.<span class="number">0</span>.to_ordinal_date()
}
<span class="doccomment">/// 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)
/// );
/// ```
</span><span class="kw">pub const fn </span>to_iso_week_date(<span class="self">self</span>) -&gt; (i32, u8, Weekday) {
<span class="self">self</span>.<span class="number">0</span>.to_iso_week_date()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>weekday(<span class="self">self</span>) -&gt; Weekday {
<span class="self">self</span>.<span class="number">0</span>.weekday()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>to_julian_day(<span class="self">self</span>) -&gt; i32 {
<span class="self">self</span>.<span class="number">0</span>.to_julian_day()
}
<span class="comment">// endregion date getters
// region: time getters
</span><span class="doccomment">/// 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));
/// ```
</span><span class="kw">pub const fn </span>as_hms(<span class="self">self</span>) -&gt; (u8, u8, u8) {
<span class="self">self</span>.<span class="number">0</span>.as_hms()
}
<span class="doccomment">/// 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)
/// );
/// ```
</span><span class="kw">pub const fn </span>as_hms_milli(<span class="self">self</span>) -&gt; (u8, u8, u8, u16) {
<span class="self">self</span>.<span class="number">0</span>.as_hms_milli()
}
<span class="doccomment">/// 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)
/// );
/// ```
</span><span class="kw">pub const fn </span>as_hms_micro(<span class="self">self</span>) -&gt; (u8, u8, u8, u32) {
<span class="self">self</span>.<span class="number">0</span>.as_hms_micro()
}
<span class="doccomment">/// 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)
/// );
/// ```
</span><span class="kw">pub const fn </span>as_hms_nano(<span class="self">self</span>) -&gt; (u8, u8, u8, u32) {
<span class="self">self</span>.<span class="number">0</span>.as_hms_nano()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>hour(<span class="self">self</span>) -&gt; u8 {
<span class="self">self</span>.<span class="number">0</span>.hour()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>minute(<span class="self">self</span>) -&gt; u8 {
<span class="self">self</span>.<span class="number">0</span>.minute()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>second(<span class="self">self</span>) -&gt; u8 {
<span class="self">self</span>.<span class="number">0</span>.second()
}
<span class="doccomment">/// 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);
/// ```
</span><span class="kw">pub const fn </span>millisecond(<span class="self">self</span>) -&gt; u16 {
<span class="self">self</span>.<span class="number">0</span>.millisecond()
}
<span class="doccomment">/// 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
/// );
/// ```
</span><span class="kw">pub const fn </span>microsecond(<span class="self">self</span>) -&gt; u32 {
<span class="self">self</span>.<span class="number">0</span>.microsecond()
}
<span class="doccomment">/// 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,
/// );
/// ```
</span><span class="kw">pub const fn </span>nanosecond(<span class="self">self</span>) -&gt; u32 {
<span class="self">self</span>.<span class="number">0</span>.nanosecond()
}
<span class="comment">// endregion time getters
// region: attach offset
</span><span class="doccomment">/// 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,
/// );
/// ```
</span><span class="kw">pub const fn </span>assume_offset(<span class="self">self</span>, offset: UtcOffset) -&gt; OffsetDateTime {
OffsetDateTime(<span class="self">self</span>.<span class="number">0</span>.assume_offset(offset))
}
<span class="doccomment">/// 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,
/// );
/// ```
</span><span class="kw">pub const fn </span>assume_utc(<span class="self">self</span>) -&gt; OffsetDateTime {
OffsetDateTime(<span class="self">self</span>.<span class="number">0</span>.assume_utc())
}
<span class="comment">// endregion attach offset
// region: checked arithmetic
</span><span class="doccomment">/// 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))
/// );
/// ```
</span><span class="kw">pub const fn </span>checked_add(<span class="self">self</span>, duration: Duration) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="self">Self</span>&gt; {
<span class="prelude-val">Some</span>(<span class="self">Self</span>(<span class="macro">const_try_opt!</span>(<span class="self">self</span>.<span class="number">0</span>.checked_add(duration))))
}
<span class="doccomment">/// 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))
/// );
/// ```
</span><span class="kw">pub const fn </span>checked_sub(<span class="self">self</span>, duration: Duration) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="self">Self</span>&gt; {
<span class="prelude-val">Some</span>(<span class="self">Self</span>(<span class="macro">const_try_opt!</span>(<span class="self">self</span>.<span class="number">0</span>.checked_sub(duration))))
}
<span class="comment">// endregion: checked arithmetic
// region: saturating arithmetic
</span><span class="doccomment">/// 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)
/// );
/// ```
</span><span class="kw">pub const fn </span>saturating_add(<span class="self">self</span>, duration: Duration) -&gt; <span class="self">Self </span>{
<span class="self">Self</span>(<span class="self">self</span>.<span class="number">0</span>.saturating_add(duration))
}
<span class="doccomment">/// 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)
/// );
/// ```
</span><span class="kw">pub const fn </span>saturating_sub(<span class="self">self</span>, duration: Duration) -&gt; <span class="self">Self </span>{
<span class="self">Self</span>(<span class="self">self</span>.<span class="number">0</span>.saturating_sub(duration))
}
<span class="comment">// endregion: saturating arithmetic
</span>}
<span class="comment">// region: replacement
</span><span class="doccomment">/// Methods that replace part of the `PrimitiveDateTime`.
</span><span class="kw">impl </span>PrimitiveDateTime {
<span class="doccomment">/// 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)
/// );
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_time(<span class="self">self</span>, time: Time) -&gt; <span class="self">Self </span>{
<span class="self">Self</span>(<span class="self">self</span>.<span class="number">0</span>.replace_time(time))
}
<span class="doccomment">/// 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)
/// );
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_date(<span class="self">self</span>, date: Date) -&gt; <span class="self">Self </span>{
<span class="self">Self</span>(<span class="self">self</span>.<span class="number">0</span>.replace_date(date))
}
<span class="doccomment">/// 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&#39;t a valid year
/// assert!(datetime!(2022 - 02 - 18 12:00).replace_year(1_000_000_000).is_err()); // 1_000_000_000 isn&#39;t a valid year
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_year(<span class="self">self</span>, year: i32) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_year(year))))
}
<span class="doccomment">/// 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&#39;t a valid day in February
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_month(<span class="self">self</span>, month: Month) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_month(month))))
}
<span class="doccomment">/// 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&#39;t a valid day
/// assert!(datetime!(2022 - 02 - 18 12:00).replace_day(30).is_err()); // 30 isn&#39;t a valid day in February
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_day(<span class="self">self</span>, day: u8) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_day(day))))
}
<span class="doccomment">/// 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&#39;t a valid hour
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_hour(<span class="self">self</span>, hour: u8) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_hour(hour))))
}
<span class="doccomment">/// 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&#39;t a valid minute
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_minute(<span class="self">self</span>, minute: u8) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_minute(minute))))
}
<span class="doccomment">/// 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&#39;t a valid second
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_second(<span class="self">self</span>, second: u8) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_second(second))))
}
<span class="doccomment">/// 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&#39;t a valid millisecond
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_millisecond(
<span class="self">self</span>,
millisecond: u16,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_millisecond(millisecond))))
}
<span class="doccomment">/// 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&#39;t a valid microsecond
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_microsecond(
<span class="self">self</span>,
microsecond: u32,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_microsecond(microsecond))))
}
<span class="doccomment">/// 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&#39;t a valid nanosecond
/// ```
</span><span class="attribute">#[must_use = <span class="string">&quot;This method does not mutate the original `PrimitiveDateTime`.&quot;</span>]
</span><span class="kw">pub const fn </span>replace_nanosecond(<span class="self">self</span>, nanosecond: u32) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::ComponentRange&gt; {
<span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="macro">const_try!</span>(<span class="self">self</span>.<span class="number">0</span>.replace_nanosecond(nanosecond))))
}
}
<span class="comment">// endregion replacement
// region: formatting &amp; parsing
</span><span class="attribute">#[cfg(feature = <span class="string">&quot;formatting&quot;</span>)]
</span><span class="kw">impl </span>PrimitiveDateTime {
<span class="doccomment">/// Format the `PrimitiveDateTime` using the provided [format
/// description](crate::format_description).
</span><span class="kw">pub fn </span>format_into(
<span class="self">self</span>,
output: <span class="kw-2">&amp;mut </span><span class="kw">impl </span>io::Write,
format: <span class="kw-2">&amp;</span>(<span class="kw">impl </span>Formattable + <span class="question-mark">?</span>Sized),
) -&gt; <span class="prelude-ty">Result</span>&lt;usize, error::Format&gt; {
<span class="self">self</span>.<span class="number">0</span>.format_into(output, format)
}
<span class="doccomment">/// 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(&quot;[year]-[month]-[day] [hour]:[minute]:[second]&quot;)?;
/// assert_eq!(
/// datetime!(2020-01-02 03:04:05).format(&amp;format)?,
/// &quot;2020-01-02 03:04:05&quot;
/// );
/// # Ok::&lt;_, time::Error&gt;(())
/// ```
</span><span class="kw">pub fn </span>format(<span class="self">self</span>, format: <span class="kw-2">&amp;</span>(<span class="kw">impl </span>Formattable + <span class="question-mark">?</span>Sized)) -&gt; <span class="prelude-ty">Result</span>&lt;String, error::Format&gt; {
<span class="self">self</span>.<span class="number">0</span>.format(format)
}
}
<span class="attribute">#[cfg(feature = <span class="string">&quot;parsing&quot;</span>)]
</span><span class="kw">impl </span>PrimitiveDateTime {
<span class="doccomment">/// 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!(&quot;[year]-[month]-[day] [hour]:[minute]:[second]&quot;);
/// assert_eq!(
/// PrimitiveDateTime::parse(&quot;2020-01-02 03:04:05&quot;, &amp;format)?,
/// datetime!(2020-01-02 03:04:05)
/// );
/// # Ok::&lt;_, time::Error&gt;(())
/// ```
</span><span class="kw">pub fn </span>parse(
input: <span class="kw-2">&amp;</span>str,
description: <span class="kw-2">&amp;</span>(<span class="kw">impl </span>Parsable + <span class="question-mark">?</span>Sized),
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, error::Parse&gt; {
Inner::parse(input, description).map(<span class="self">Self</span>)
}
}
<span class="kw">impl </span>fmt::Display <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">fn </span>fmt(<span class="kw-2">&amp;</span><span class="self">self</span>, f: <span class="kw-2">&amp;mut </span>fmt::Formatter&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; fmt::Result {
<span class="self">self</span>.<span class="number">0</span>.fmt(f)
}
}
<span class="kw">impl </span>fmt::Debug <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">fn </span>fmt(<span class="kw-2">&amp;</span><span class="self">self</span>, f: <span class="kw-2">&amp;mut </span>fmt::Formatter&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; fmt::Result {
fmt::Display::fmt(<span class="self">self</span>, f)
}
}
<span class="comment">// endregion formatting &amp; parsing
// region: trait impls
</span><span class="kw">impl </span>Add&lt;Duration&gt; <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">type </span>Output = <span class="self">Self</span>;
<span class="kw">fn </span>add(<span class="self">self</span>, duration: Duration) -&gt; <span class="self">Self</span>::Output {
<span class="self">Self</span>(<span class="self">self</span>.<span class="number">0</span>.add(duration))
}
}
<span class="kw">impl </span>Add&lt;StdDuration&gt; <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">type </span>Output = <span class="self">Self</span>;
<span class="kw">fn </span>add(<span class="self">self</span>, duration: StdDuration) -&gt; <span class="self">Self</span>::Output {
<span class="self">Self</span>(<span class="self">self</span>.<span class="number">0</span>.add(duration))
}
}
<span class="kw">impl </span>AddAssign&lt;Duration&gt; <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">fn </span>add_assign(<span class="kw-2">&amp;mut </span><span class="self">self</span>, duration: Duration) {
<span class="self">self</span>.<span class="number">0</span>.add_assign(duration);
}
}
<span class="kw">impl </span>AddAssign&lt;StdDuration&gt; <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">fn </span>add_assign(<span class="kw-2">&amp;mut </span><span class="self">self</span>, duration: StdDuration) {
<span class="self">self</span>.<span class="number">0</span>.add_assign(duration);
}
}
<span class="kw">impl </span>Sub&lt;Duration&gt; <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">type </span>Output = <span class="self">Self</span>;
<span class="kw">fn </span>sub(<span class="self">self</span>, duration: Duration) -&gt; <span class="self">Self</span>::Output {
<span class="self">Self</span>(<span class="self">self</span>.<span class="number">0</span>.sub(duration))
}
}
<span class="kw">impl </span>Sub&lt;StdDuration&gt; <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">type </span>Output = <span class="self">Self</span>;
<span class="kw">fn </span>sub(<span class="self">self</span>, duration: StdDuration) -&gt; <span class="self">Self</span>::Output {
<span class="self">Self</span>(<span class="self">self</span>.<span class="number">0</span>.sub(duration))
}
}
<span class="kw">impl </span>SubAssign&lt;Duration&gt; <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">fn </span>sub_assign(<span class="kw-2">&amp;mut </span><span class="self">self</span>, duration: Duration) {
<span class="self">self</span>.<span class="number">0</span>.sub_assign(duration);
}
}
<span class="kw">impl </span>SubAssign&lt;StdDuration&gt; <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">fn </span>sub_assign(<span class="kw-2">&amp;mut </span><span class="self">self</span>, duration: StdDuration) {
<span class="self">self</span>.<span class="number">0</span>.sub_assign(duration);
}
}
<span class="kw">impl </span>Sub <span class="kw">for </span>PrimitiveDateTime {
<span class="kw">type </span>Output = Duration;
<span class="kw">fn </span>sub(<span class="self">self</span>, rhs: <span class="self">Self</span>) -&gt; <span class="self">Self</span>::Output {
<span class="self">self</span>.<span class="number">0</span>.sub(rhs.<span class="number">0</span>)
}
}
<span class="comment">// endregion trait impls
</span></code></pre></div>
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