| //! 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 |