time::primitive_date_time

Struct PrimitiveDateTime

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pub struct PrimitiveDateTime {
    date: Date,
    time: Time,
}
Expand description

Combined date and time.

Fields§

§date: Date§time: Time

Implementations§

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impl PrimitiveDateTime

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pub const MIN: Self = _

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
// Assuming `large-dates` feature is enabled.
assert_eq!(PrimitiveDateTime::MIN, datetime!(-999999-01-01 0:00));
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pub const MAX: Self = _

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
// Assuming `large-dates` feature is enabled.
assert_eq!(PrimitiveDateTime::MAX, datetime!(+999999-12-31 23:59:59.999_999_999));
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pub const fn new(date: Date, time: Time) -> Self

Create a new PrimitiveDateTime from the provided Date and Time.

assert_eq!(
    PrimitiveDateTime::new(date!(2019-01-01), time!(0:00)),
    datetime!(2019-01-01 0:00),
);
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pub const fn date(self) -> Date

Get the Date component of the PrimitiveDateTime.

assert_eq!(datetime!(2019-01-01 0:00).date(), date!(2019-01-01));
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pub const fn time(self) -> Time

Get the Time component of the PrimitiveDateTime.

assert_eq!(datetime!(2019-01-01 0:00).time(), time!(0:00));
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pub const fn year(self) -> i32

Get the year of the date.

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);
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pub const fn month(self) -> Month

Get the month of the date.

assert_eq!(datetime!(2019-01-01 0:00).month(), Month::January);
assert_eq!(datetime!(2019-12-31 0:00).month(), Month::December);
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pub const fn day(self) -> u8

Get the day of the date.

The returned value will always be in the range 1..=31.

assert_eq!(datetime!(2019-01-01 0:00).day(), 1);
assert_eq!(datetime!(2019-12-31 0:00).day(), 31);
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pub const fn ordinal(self) -> u16

Get the day of the year.

The returned value will always be in the range 1..=366 (1..=365 for common years).

assert_eq!(datetime!(2019-01-01 0:00).ordinal(), 1);
assert_eq!(datetime!(2019-12-31 0:00).ordinal(), 365);
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pub const fn iso_week(self) -> u8

Get the ISO week number.

The returned value will always be in the range 1..=53.

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);
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pub const fn sunday_based_week(self) -> u8

Get the week number where week 1 begins on the first Sunday.

The returned value will always be in the range 0..=53.

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);
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pub const fn monday_based_week(self) -> u8

Get the week number where week 1 begins on the first Monday.

The returned value will always be in the range 0..=53.

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);
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pub const fn to_calendar_date(self) -> (i32, Month, u8)

Get the year, month, and day.

assert_eq!(
    datetime!(2019-01-01 0:00).to_calendar_date(),
    (2019, Month::January, 1)
);
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pub const fn to_ordinal_date(self) -> (i32, u16)

Get the year and ordinal day number.

assert_eq!(datetime!(2019-01-01 0:00).to_ordinal_date(), (2019, 1));
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pub const fn to_iso_week_date(self) -> (i32, u8, Weekday)

Get the ISO 8601 year, week number, and weekday.

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)
);
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pub const fn weekday(self) -> Weekday

Get the weekday.

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);
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pub const fn to_julian_day(self) -> i32

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.

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);
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pub const fn as_hms(self) -> (u8, u8, u8)

Get the clock hour, minute, and second.

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));
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pub const fn as_hms_milli(self) -> (u8, u8, u8, u16)

Get the clock hour, minute, second, and millisecond.

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)
);
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pub const fn as_hms_micro(self) -> (u8, u8, u8, u32)

Get the clock hour, minute, second, and microsecond.

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)
);
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pub const fn as_hms_nano(self) -> (u8, u8, u8, u32)

Get the clock hour, minute, second, and nanosecond.

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)
);
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pub const fn hour(self) -> u8

Get the clock hour.

The returned value will always be in the range 0..24.

assert_eq!(datetime!(2019-01-01 0:00).hour(), 0);
assert_eq!(datetime!(2019-01-01 23:59:59).hour(), 23);
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pub const fn minute(self) -> u8

Get the minute within the hour.

The returned value will always be in the range 0..60.

assert_eq!(datetime!(2019-01-01 0:00).minute(), 0);
assert_eq!(datetime!(2019-01-01 23:59:59).minute(), 59);
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pub const fn second(self) -> u8

Get the second within the minute.

The returned value will always be in the range 0..60.

assert_eq!(datetime!(2019-01-01 0:00).second(), 0);
assert_eq!(datetime!(2019-01-01 23:59:59).second(), 59);
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pub const fn millisecond(self) -> u16

Get the milliseconds within the second.

The returned value will always be in the range 0..1_000.

assert_eq!(datetime!(2019-01-01 0:00).millisecond(), 0);
assert_eq!(datetime!(2019-01-01 23:59:59.999).millisecond(), 999);
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pub const fn microsecond(self) -> u32

Get the microseconds within the second.

The returned value will always be in the range 0..1_000_000.

assert_eq!(datetime!(2019-01-01 0:00).microsecond(), 0);
assert_eq!(
    datetime!(2019-01-01 23:59:59.999_999).microsecond(),
    999_999
);
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pub const fn nanosecond(self) -> u32

Get the nanoseconds within the second.

The returned value will always be in the range 0..1_000_000_000.

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,
);
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pub const fn assume_offset(self, offset: UtcOffset) -> OffsetDateTime

Assuming that the existing PrimitiveDateTime represents a moment in the provided UtcOffset, return an OffsetDateTime.

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,
);
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pub const fn assume_utc(self) -> OffsetDateTime

Assuming that the existing PrimitiveDateTime represents a moment in UTC, return an OffsetDateTime.

assert_eq!(
    datetime!(2019-01-01 0:00).assume_utc().unix_timestamp(),
    1_546_300_800,
);

Note: You may want a UtcDateTime instead, which can be obtained with the PrimitiveDateTime::as_utc method.

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pub const fn as_utc(self) -> UtcDateTime

Assuming that the existing PrimitiveDateTime represents a moment in UTC, return a UtcDateTime.

assert_eq!(
    datetime!(2019-01-01 0:00).as_utc().unix_timestamp(),
    1_546_300_800,
);
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pub const fn checked_add(self, duration: Duration) -> Option<Self>

Computes self + duration, returning None if an overflow occurred.

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))
);
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pub const fn checked_sub(self, duration: Duration) -> Option<Self>

Computes self - duration, returning None if an overflow occurred.

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))
);
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pub const fn saturating_add(self, duration: Duration) -> Self

Computes self + duration, saturating value on overflow.

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)
);
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pub const fn saturating_sub(self, duration: Duration) -> Self

Computes self - duration, saturating value on overflow.

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)
);
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impl PrimitiveDateTime

Methods that replace part of the PrimitiveDateTime.

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pub const fn replace_time(self, time: Time) -> Self

Replace the time, preserving the date.

assert_eq!(
    datetime!(2020-01-01 17:00).replace_time(time!(5:00)),
    datetime!(2020-01-01 5:00)
);
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pub const fn replace_date(self, date: Date) -> Self

Replace the date, preserving the time.

assert_eq!(
    datetime!(2020-01-01 12:00).replace_date(date!(2020-01-30)),
    datetime!(2020-01-30 12:00)
);
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pub const fn replace_year(self, year: i32) -> Result<Self, ComponentRange>

Replace the year. The month and day will be unchanged.

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
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pub const fn replace_month(self, month: Month) -> Result<Self, ComponentRange>

Replace the month of the year.

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
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pub const fn replace_day(self, day: u8) -> Result<Self, ComponentRange>

Replace the day of the month.

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
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pub const fn replace_ordinal(self, ordinal: u16) -> Result<Self, ComponentRange>

Replace the day of the year.

assert_eq!(datetime!(2022-049 12:00).replace_ordinal(1), Ok(datetime!(2022-001 12:00)));
assert!(datetime!(2022-049 12:00).replace_ordinal(0).is_err()); // 0 isn't a valid ordinal
assert!(datetime!(2022-049 12:00).replace_ordinal(366).is_err()); // 2022 isn't a leap year
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pub const fn replace_hour(self, hour: u8) -> Result<Self, ComponentRange>

Replace the clock hour.

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
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pub const fn replace_minute(self, minute: u8) -> Result<Self, ComponentRange>

Replace the minutes within the hour.

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
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pub const fn replace_second(self, second: u8) -> Result<Self, ComponentRange>

Replace the seconds within the minute.

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
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pub const fn replace_millisecond( self, millisecond: u16, ) -> Result<Self, ComponentRange>

Replace the milliseconds within the second.

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
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pub const fn replace_microsecond( self, microsecond: u32, ) -> Result<Self, ComponentRange>

Replace the microseconds within the second.

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
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pub const fn replace_nanosecond( self, nanosecond: u32, ) -> Result<Self, ComponentRange>

Replace the nanoseconds within the second.

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
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impl PrimitiveDateTime

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pub fn format_into( self, output: &mut impl Write, format: &(impl Formattable + ?Sized), ) -> Result<usize, Format>

Available on crate feature formatting only.

Format the PrimitiveDateTime using the provided format description.

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pub fn format( self, format: &(impl Formattable + ?Sized), ) -> Result<String, Format>

Available on crate feature formatting only.

Format the PrimitiveDateTime using the provided format description.

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"
);
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impl PrimitiveDateTime

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pub fn parse( input: &str, description: &(impl Parsable + ?Sized), ) -> Result<Self, Parse>

Available on crate feature parsing only.

Parse a PrimitiveDateTime from the input using the provided 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)
);

Trait Implementations§

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impl Add<Duration> for PrimitiveDateTime

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fn add(self, duration: Duration) -> Self::Output

§Panics

This may panic if an overflow occurs.

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type Output = PrimitiveDateTime

The resulting type after applying the + operator.
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impl Add<Duration> for PrimitiveDateTime

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fn add(self, duration: StdDuration) -> Self::Output

§Panics

This may panic if an overflow occurs.

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type Output = PrimitiveDateTime

The resulting type after applying the + operator.
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impl AddAssign<Duration> for PrimitiveDateTime

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fn add_assign(&mut self, duration: Duration)

§Panics

This may panic if an overflow occurs.

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impl AddAssign<Duration> for PrimitiveDateTime

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fn add_assign(&mut self, duration: StdDuration)

§Panics

This may panic if an overflow occurs.

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impl Arbitrary for PrimitiveDateTime

Available on crate feature quickcheck only.
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fn arbitrary(g: &mut Gen) -> Self

Return an arbitrary value. Read more
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fn shrink(&self) -> Box<dyn Iterator<Item = Self>>

Return an iterator of values that are smaller than itself. Read more
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impl Clone for PrimitiveDateTime

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fn clone(&self) -> PrimitiveDateTime

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for PrimitiveDateTime

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

Formats the value using the given formatter. Read more
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impl<'a> Deserialize<'a> for PrimitiveDateTime

Available on crate feature serde only.
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fn deserialize<D: Deserializer<'a>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer. Read more
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#[doc(hidden)] fn deserialize_in_place<D>( deserializer: D, place: &mut Self, ) -> Result<(), <D as Deserializer<'de>>::Error>
where D: Deserializer<'de>,

Deserializes a value into self from the given Deserializer. Read more
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impl Display for PrimitiveDateTime

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

Formats the value using the given formatter. Read more
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impl Distribution<PrimitiveDateTime> for Standard

Available on crate feature rand only.
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fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> PrimitiveDateTime

Generate a random value of T, using rng as the source of randomness.
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fn sample_iter<R>(self, rng: R) -> DistIter<Self, R, T>
where R: Rng, Self: Sized,

Create an iterator that generates random values of T, using rng as the source of randomness. Read more
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fn map<F, S>(self, func: F) -> DistMap<Self, F, T, S>
where F: Fn(T) -> S, Self: Sized,

Create a distribution of values of ‘S’ by mapping the output of Self through the closure F Read more
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impl Eq for PrimitiveDateTime

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#[doc(hidden)] fn assert_receiver_is_total_eq(&self)

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impl Hash for PrimitiveDateTime

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for PrimitiveDateTime

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fn cmp(&self, other: &PrimitiveDateTime) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for PrimitiveDateTime

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for PrimitiveDateTime

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fn partial_cmp(&self, other: &PrimitiveDateTime) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Serialize for PrimitiveDateTime

Available on crate feature serde only.
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer. Read more
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impl SmartDisplay for PrimitiveDateTime

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type Metadata = ()

User-provided metadata type.
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fn metadata(&self, _: FormatterOptions) -> Metadata<'_, Self>

Compute any information needed to format the value. This must, at a minimum, determine the width of the value before any padding is added by the formatter. Read more
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fn fmt_with_metadata( &self, f: &mut Formatter<'_>, metadata: Metadata<'_, Self>, ) -> Result

Format the value using the given formatter and metadata. The formatted output should have the width indicated by the metadata. This is before any padding is added by the formatter. Read more
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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Format the value using the given formatter. This is the same as Display::fmt. Read more
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impl Sub<Duration> for PrimitiveDateTime

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fn sub(self, duration: Duration) -> Self::Output

§Panics

This may panic if an overflow occurs.

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type Output = PrimitiveDateTime

The resulting type after applying the - operator.
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impl Sub<Duration> for PrimitiveDateTime

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fn sub(self, duration: StdDuration) -> Self::Output

§Panics

This may panic if an overflow occurs.

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type Output = PrimitiveDateTime

The resulting type after applying the - operator.
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impl Sub for PrimitiveDateTime

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fn sub(self, rhs: Self) -> Self::Output

§Panics

This may panic if an overflow occurs.

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type Output = Duration

The resulting type after applying the - operator.
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impl SubAssign<Duration> for PrimitiveDateTime

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fn sub_assign(&mut self, duration: Duration)

§Panics

This may panic if an overflow occurs.

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impl SubAssign<Duration> for PrimitiveDateTime

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fn sub_assign(&mut self, duration: StdDuration)

§Panics

This may panic if an overflow occurs.

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impl TryFrom<Parsed> for PrimitiveDateTime

Available on crate feature parsing only.
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type Error = TryFromParsed

The type returned in the event of a conversion error.
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fn try_from(parsed: Parsed) -> Result<Self, Self::Error>

Performs the conversion.
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impl Copy for PrimitiveDateTime

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impl StructuralPartialEq for PrimitiveDateTime

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> SizedTypeProperties for T

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#[doc(hidden)] const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)
true if this type requires no storage. false if its size is greater than zero. Read more
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#[doc(hidden)] const LAYOUT: Layout = _

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> Printable for T
where T: Copy + Debug,