Struct time::Time

source ·
pub struct Time { /* private fields */ }
Expand description

The clock time within a given date. Nanosecond precision.

All minutes are assumed to have exactly 60 seconds; no attempt is made to handle leap seconds (either positive or negative).

When comparing two Times, they are assumed to be in the same calendar date.

Implementations§

source§

impl Time

source

pub const MIDNIGHT: Self = _

Create a Time that is exactly midnight.

assert_eq!(Time::MIDNIGHT, time!(0:00));
Run
source

pub const fn from_hms( hour: u8, minute: u8, second: u8 ) -> Result<Self, ComponentRange>

Attempt to create a Time from the hour, minute, and second.

assert!(Time::from_hms(1, 2, 3).is_ok());
Run
assert!(Time::from_hms(24, 0, 0).is_err()); // 24 isn't a valid hour.
assert!(Time::from_hms(0, 60, 0).is_err()); // 60 isn't a valid minute.
assert!(Time::from_hms(0, 0, 60).is_err()); // 60 isn't a valid second.
Run
source

pub const fn from_hms_milli( hour: u8, minute: u8, second: u8, millisecond: u16 ) -> Result<Self, ComponentRange>

Attempt to create a Time from the hour, minute, second, and millisecond.

assert!(Time::from_hms_milli(1, 2, 3, 4).is_ok());
Run
assert!(Time::from_hms_milli(24, 0, 0, 0).is_err()); // 24 isn't a valid hour.
assert!(Time::from_hms_milli(0, 60, 0, 0).is_err()); // 60 isn't a valid minute.
assert!(Time::from_hms_milli(0, 0, 60, 0).is_err()); // 60 isn't a valid second.
assert!(Time::from_hms_milli(0, 0, 0, 1_000).is_err()); // 1_000 isn't a valid millisecond.
Run
source

pub const fn from_hms_micro( hour: u8, minute: u8, second: u8, microsecond: u32 ) -> Result<Self, ComponentRange>

Attempt to create a Time from the hour, minute, second, and microsecond.

assert!(Time::from_hms_micro(1, 2, 3, 4).is_ok());
Run
assert!(Time::from_hms_micro(24, 0, 0, 0).is_err()); // 24 isn't a valid hour.
assert!(Time::from_hms_micro(0, 60, 0, 0).is_err()); // 60 isn't a valid minute.
assert!(Time::from_hms_micro(0, 0, 60, 0).is_err()); // 60 isn't a valid second.
assert!(Time::from_hms_micro(0, 0, 0, 1_000_000).is_err()); // 1_000_000 isn't a valid microsecond.
Run
source

pub const fn from_hms_nano( hour: u8, minute: u8, second: u8, nanosecond: u32 ) -> Result<Self, ComponentRange>

Attempt to create a Time from the hour, minute, second, and nanosecond.

assert!(Time::from_hms_nano(1, 2, 3, 4).is_ok());
Run
assert!(Time::from_hms_nano(24, 0, 0, 0).is_err()); // 24 isn't a valid hour.
assert!(Time::from_hms_nano(0, 60, 0, 0).is_err()); // 60 isn't a valid minute.
assert!(Time::from_hms_nano(0, 0, 60, 0).is_err()); // 60 isn't a valid second.
assert!(Time::from_hms_nano(0, 0, 0, 1_000_000_000).is_err()); // 1_000_000_000 isn't a valid nanosecond.
Run
source

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

Get the clock hour, minute, and second.

assert_eq!(time!(0:00:00).as_hms(), (0, 0, 0));
assert_eq!(time!(23:59:59).as_hms(), (23, 59, 59));
Run
source

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

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

assert_eq!(time!(0:00:00).as_hms_milli(), (0, 0, 0, 0));
assert_eq!(time!(23:59:59.999).as_hms_milli(), (23, 59, 59, 999));
Run
source

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

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

assert_eq!(time!(0:00:00).as_hms_micro(), (0, 0, 0, 0));
assert_eq!(
    time!(23:59:59.999_999).as_hms_micro(),
    (23, 59, 59, 999_999)
);
Run
source

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

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

assert_eq!(time!(0:00:00).as_hms_nano(), (0, 0, 0, 0));
assert_eq!(
    time!(23:59:59.999_999_999).as_hms_nano(),
    (23, 59, 59, 999_999_999)
);
Run
source

pub const fn hour(self) -> u8

Get the clock hour.

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

assert_eq!(time!(0:00:00).hour(), 0);
assert_eq!(time!(23:59:59).hour(), 23);
Run
source

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!(time!(0:00:00).minute(), 0);
assert_eq!(time!(23:59:59).minute(), 59);
Run
source

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!(time!(0:00:00).second(), 0);
assert_eq!(time!(23:59:59).second(), 59);
Run
source

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!(time!(0:00).millisecond(), 0);
assert_eq!(time!(23:59:59.999).millisecond(), 999);
Run
source

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!(time!(0:00).microsecond(), 0);
assert_eq!(time!(23:59:59.999_999).microsecond(), 999_999);
Run
source

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!(time!(0:00).nanosecond(), 0);
assert_eq!(time!(23:59:59.999_999_999).nanosecond(), 999_999_999);
Run
source

pub const fn replace_hour(self, hour: u8) -> Result<Self, ComponentRange>

Replace the clock hour.

assert_eq!(
    time!(01:02:03.004_005_006).replace_hour(7),
    Ok(time!(07:02:03.004_005_006))
);
assert!(time!(01:02:03.004_005_006).replace_hour(24).is_err()); // 24 isn't a valid hour
Run
source

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

Replace the minutes within the hour.

assert_eq!(
    time!(01:02:03.004_005_006).replace_minute(7),
    Ok(time!(01:07:03.004_005_006))
);
assert!(time!(01:02:03.004_005_006).replace_minute(60).is_err()); // 60 isn't a valid minute
Run
source

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

Replace the seconds within the minute.

assert_eq!(
    time!(01:02:03.004_005_006).replace_second(7),
    Ok(time!(01:02:07.004_005_006))
);
assert!(time!(01:02:03.004_005_006).replace_second(60).is_err()); // 60 isn't a valid second
Run
source

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

Replace the milliseconds within the second.

assert_eq!(
    time!(01:02:03.004_005_006).replace_millisecond(7),
    Ok(time!(01:02:03.007))
);
assert!(time!(01:02:03.004_005_006).replace_millisecond(1_000).is_err()); // 1_000 isn't a valid millisecond
Run
source

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

Replace the microseconds within the second.

assert_eq!(
    time!(01:02:03.004_005_006).replace_microsecond(7_008),
    Ok(time!(01:02:03.007_008))
);
assert!(time!(01:02:03.004_005_006).replace_microsecond(1_000_000).is_err()); // 1_000_000 isn't a valid microsecond
Run
source

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

Replace the nanoseconds within the second.

assert_eq!(
    time!(01:02:03.004_005_006).replace_nanosecond(7_008_009),
    Ok(time!(01:02:03.007_008_009))
);
assert!(time!(01:02:03.004_005_006).replace_nanosecond(1_000_000_000).is_err()); // 1_000_000_000 isn't a valid nanosecond
Run
source§

impl Time

source

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

Format the Time using the provided format description.

source

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

Format the Time using the provided format description.

let format = format_description::parse("[hour]:[minute]:[second]")?;
assert_eq!(time!(12:00).format(&format)?, "12:00:00");
Run
source§

impl Time

source

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

Parse a Time from the input using the provided format description.

let format = format_description!("[hour]:[minute]:[second]");
assert_eq!(Time::parse("12:00:00", &format)?, time!(12:00));
Run

Trait Implementations§

source§

impl Add<Duration> for Time

source§

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

Add the sub-day time of the std::time::Duration to the Time. Wraps on overflow.

assert_eq!(time!(12:00) + 2.std_hours(), time!(14:00));
assert_eq!(time!(23:59:59) + 2.std_seconds(), time!(0:00:01));
Run
§

type Output = Time

The resulting type after applying the + operator.
source§

impl Add<Duration> for Time

source§

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

Add the sub-day time of the Duration to the Time. Wraps on overflow.

assert_eq!(time!(12:00) + 2.hours(), time!(14:00));
assert_eq!(time!(0:00:01) + (-2).seconds(), time!(23:59:59));
Run
§

type Output = Time

The resulting type after applying the + operator.
source§

impl AddAssign<Duration> for Time

source§

fn add_assign(&mut self, rhs: Duration)

Performs the += operation. Read more
source§

impl AddAssign<Duration> for Time

source§

fn add_assign(&mut self, rhs: StdDuration)

Performs the += operation. Read more
source§

impl Clone for Time

source§

fn clone(&self) -> Time

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
source§

impl Debug for Time

source§

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

Formats the value using the given formatter. Read more
source§

impl Display for Time

source§

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

Formats the value using the given formatter. Read more
source§

impl Hash for Time

source§

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

Feeds this value into the given Hasher. Read more
1.3.0 · source§

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
source§

impl Ord for Time

source§

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

This method returns an Ordering between self and other. Read more
1.21.0 · source§

fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 · source§

fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 · source§

fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
source§

impl PartialEq<Time> for Time

source§

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

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
source§

impl PartialOrd<Time> for Time

source§

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

This method returns an ordering between self and other values if one exists. Read more
1.0.0 · source§

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
1.0.0 · source§

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 · source§

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 · source§

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
source§

impl Sub<Duration> for Time

source§

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

Subtract the sub-day time of the std::time::Duration from the Time. Wraps on overflow.

assert_eq!(time!(14:00) - 2.std_hours(), time!(12:00));
assert_eq!(time!(0:00:01) - 2.std_seconds(), time!(23:59:59));
Run
§

type Output = Time

The resulting type after applying the - operator.
source§

impl Sub<Duration> for Time

source§

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

Subtract the sub-day time of the Duration from the Time. Wraps on overflow.

assert_eq!(time!(14:00) - 2.hours(), time!(12:00));
assert_eq!(time!(23:59:59) - (-2).seconds(), time!(0:00:01));
Run
§

type Output = Time

The resulting type after applying the - operator.
source§

impl Sub<Time> for Time

source§

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

Subtract two Times, returning the Duration between. This assumes both Times are in the same calendar day.

assert_eq!(time!(0:00) - time!(0:00), 0.seconds());
assert_eq!(time!(1:00) - time!(0:00), 1.hours());
assert_eq!(time!(0:00) - time!(1:00), (-1).hours());
assert_eq!(time!(0:00) - time!(23:00), (-23).hours());
Run
§

type Output = Duration

The resulting type after applying the - operator.
source§

impl SubAssign<Duration> for Time

source§

fn sub_assign(&mut self, rhs: StdDuration)

Performs the -= operation. Read more
source§

impl SubAssign<Duration> for Time

source§

fn sub_assign(&mut self, rhs: Duration)

Performs the -= operation. Read more
source§

impl TryFrom<Parsed> for Time

§

type Error = TryFromParsed

The type returned in the event of a conversion error.
source§

fn try_from(parsed: Parsed) -> Result<Self, Self::Error>

Performs the conversion.
source§

impl Copy for Time

source§

impl Eq for Time

source§

impl StructuralEq for Time

source§

impl StructuralPartialEq for Time

Auto Trait Implementations§

§

impl RefUnwindSafe for Time

§

impl Send for Time

§

impl Sync for Time

§

impl Unpin for Time

§

impl UnwindSafe for Time

Blanket Implementations§

source§

impl<T> Any for Twhere T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for Twhere T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for Twhere T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

source§

fn into(self) -> U

Calls U::from(self).

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

source§

impl<T> ToOwned for Twhere T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T> ToString for Twhere T: Display + ?Sized,

source§

default fn to_string(&self) -> String

Converts the given value to a String. Read more
source§

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

§

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

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.