Struct time::Duration

[+] Show declaration

pub struct Duration { /* fields omitted */ }

[−] Expand description

ISO 8601 time duration with nanosecond precision. This also allows for the negative duration; see individual methods for details.

Methods

impl Duration

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pub fn weeks(weeks: i64) -> Duration

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Makes a new Duration with given number of weeks. Equivalent to Duration::seconds(weeks * 7 * 24 * 60 * 60) with overflow checks. Panics when the duration is out of bounds.

pub fn days(days: i64) -> Duration

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Makes a new Duration with given number of days. Equivalent to Duration::seconds(days * 24 * 60 * 60) with overflow checks. Panics when the duration is out of bounds.

pub fn hours(hours: i64) -> Duration

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Makes a new Duration with given number of hours. Equivalent to Duration::seconds(hours * 60 * 60) with overflow checks. Panics when the duration is out of bounds.

pub fn minutes(minutes: i64) -> Duration

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Makes a new Duration with given number of minutes. Equivalent to Duration::seconds(minutes * 60) with overflow checks. Panics when the duration is out of bounds.

pub fn seconds(seconds: i64) -> Duration

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Makes a new Duration with given number of seconds. Panics when the duration is more than i64::MAX milliseconds or less than i64::MIN milliseconds.

pub fn milliseconds(milliseconds: i64) -> Duration

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Makes a new Duration with given number of milliseconds.

pub fn microseconds(microseconds: i64) -> Duration

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Makes a new Duration with given number of microseconds.

pub fn nanoseconds(nanos: i64) -> Duration

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Makes a new Duration with given number of nanoseconds.

pub fn span<F>(f: F) -> Duration where     F: FnOnce(),

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Runs a closure, returning the duration of time it took to run the closure.

pub fn num_weeks(&self) -> i64

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Returns the total number of whole weeks in the duration.

pub fn num_days(&self) -> i64

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Returns the total number of whole days in the duration.

pub fn num_hours(&self) -> i64

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Returns the total number of whole hours in the duration.

pub fn num_minutes(&self) -> i64

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Returns the total number of whole minutes in the duration.

pub fn num_seconds(&self) -> i64

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Returns the total number of whole seconds in the duration.

pub fn num_milliseconds(&self) -> i64

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Returns the total number of whole milliseconds in the duration,

pub fn num_microseconds(&self) -> Option<i64>

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Returns the total number of whole microseconds in the duration, or None on overflow (exceeding 2⁶³ microseconds in either direction).

pub fn num_nanoseconds(&self) -> Option<i64>

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Returns the total number of whole nanoseconds in the duration, or None on overflow (exceeding 2⁶³ nanoseconds in either direction).

pub fn checked_add(&self, rhs: &Duration) -> Option<Duration>

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Add two durations, returning None if overflow occurred.

pub fn checked_sub(&self, rhs: &Duration) -> Option<Duration>

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Subtract two durations, returning None if overflow occurred.

pub fn min_value() -> Duration

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The minimum possible Duration: i64::MIN milliseconds.

pub fn max_value() -> Duration

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The maximum possible Duration: i64::MAX milliseconds.

pub fn zero() -> Duration

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A duration where the stored seconds and nanoseconds are equal to zero.

pub fn is_zero(&self) -> bool

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Returns true if the duration equals Duration::zero().

pub fn from_std(duration: StdDuration) -> Result<Duration, OutOfRangeError>

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Creates a time::Duration object from std::time::Duration

This function errors when original duration is larger than the maximum value supported for this type.

pub fn to_std(&self) -> Result<StdDuration, OutOfRangeError>

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Creates a std::time::Duration object from time::Duration

This function errors when duration is less than zero. As standard library implementation is limited to non-negative values.

Trait Implementations

impl Clone for Duration

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fn clone(&self) -> Duration

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Returns a copy of the value.

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

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Performs copy-assignment from source.

impl Copy for Duration

impl PartialEq for Duration

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

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

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

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This method tests for !=.

impl Eq for Duration

impl PartialOrd for Duration

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

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This method returns an ordering between self and other values if one exists.

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

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This method tests less than (for self and other) and is used by the < operator.

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

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This method tests less than or equal to (for self and other) and is used by the <= operator.

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

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This method tests greater than (for self and other) and is used by the > operator.

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

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

impl Ord for Duration

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

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This method returns an Ordering between self and other.

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

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Compares and returns the maximum of two values.

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

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Compares and returns the minimum of two values.

impl Debug for Duration

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

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Formats the value using the given formatter.

impl Neg for Duration

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type Output = Duration

The resulting type after applying the - operator.

fn neg(self) -> Duration

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Performs the unary - operation.

impl Add for Duration

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type Output = Duration

The resulting type after applying the + operator.

fn add(self, rhs: Duration) -> Duration

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Performs the + operation.

impl Sub for Duration

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type Output = Duration

The resulting type after applying the - operator.

fn sub(self, rhs: Duration) -> Duration

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Performs the - operation.

impl Mul<i32> for Duration

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type Output = Duration

The resulting type after applying the * operator.

fn mul(self, rhs: i32) -> Duration

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Performs the * operation.

impl Div<i32> for Duration

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type Output = Duration

The resulting type after applying the / operator.

fn div(self, rhs: i32) -> Duration

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Performs the / operation.

impl Display for Duration

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

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Formats the value using the given formatter.

impl Add<Duration> for Timespec

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type Output = Timespec

The resulting type after applying the + operator.

fn add(self, other: Duration) -> Timespec

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Performs the + operation.

impl Sub<Duration> for Timespec

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type Output = Timespec

The resulting type after applying the - operator.

fn sub(self, other: Duration) -> Timespec

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Performs the - operation.

impl Sub<Duration> for SteadyTime

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type Output = SteadyTime

The resulting type after applying the - operator.

fn sub(self, other: Duration) -> SteadyTime

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Performs the - operation.

impl Add<Duration> for SteadyTime

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type Output = SteadyTime

The resulting type after applying the + operator.

fn add(self, other: Duration) -> SteadyTime

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Performs the + operation.

impl Add<Duration> for Tm

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type Output = Tm

The resulting type after applying the + operator.

fn add(self, other: Duration) -> Tm

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The resulting Tm is in UTC.

impl Sub<Duration> for Tm

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type Output = Tm

The resulting type after applying the - operator.

fn sub(self, other: Duration) -> Tm

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The resulting Tm is in UTC.