Datetime

Struct Datetime 

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pub struct Datetime<'a> { /* private fields */ }
Expand description

A precise point in time along associated to a Timezone.

The Datetime cannot be created on its own as it depends on a Timezone. tzdata does not expose a naive flavor of Datetime. To build a Datetime, instanciate a Timezone first and call the desired method.

let paris = tzdata::Timezone::new("Europe/Paris").unwrap();
let midnight_in_paris = paris.datetime(2015, 12, 25, 0, 0, 0, 0);

let utc = tzdata::Timezone::utc();
let t = midnight_in_paris.project(&utc);

assert_eq!(t.date(), (2015, 12, 24));
assert_eq!(t.time(), (23, 0, 0, 0));

Implementations§

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impl<'a> Datetime<'a>

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pub fn project<'b>(&self, tz: &'b Timezone) -> Datetime<'b>

Project the current Datetime in another Timezone.

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pub fn date(&self) -> (i32, i32, i32)

Return the date component of the Datetime expressed in the associated Timezone. The tuple holds the year, month and day in this order.

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pub fn time(&self) -> (i32, i32, i32, i32)

Return the time component of the Datetime expressed in the associated Timezone. The tuple holds the hour, minute, second and nanosecond in this order.

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pub fn unix(&self) -> i64

Return the unix timestamp. This is the number of unix seconds since 1970-01-01T00:00:00Z.

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pub fn format(&self, fmt: &str) -> String

Format the Datetime according to the provided format. The following control characters are implemented:

  • %%: the ‘%’ character
  • %Y: year (2006)
  • %m: month (01)
  • %d: day of the month (02)
  • %e: day of the month (2)
  • %H: hour (15)
  • %M: minute (04)
  • %S: second (05)
  • %3: millisecond (123)
  • %6: microsecond (123456)
  • %9: nanosecond (123456789)
  • %x: UTC offset (+02:00 or -05:00)
  • %z: UTC offset (+0200 or -0500)
  • %Z: timezone abbreviation (CET)
  • %w: weekday (1)
  • %a: abbreviated weekday name (Mon)
  • %A: full weekday name (Monday)
  • %b: abbreviated month name (Jan)
  • %B: full month name (January)
  • %C: century (20)

Panics if the format is invalid.

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pub fn rfc3339(&self) -> String

Format Datetime according to RFC 3339 format.

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pub fn rfc2822(&self) -> String

Format Datetime according to RFC 2822 format.

Trait Implementations§

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impl<'a> Add<Deltatime> for Datetime<'a>

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type Output = Datetime<'a>

The resulting type after applying the + operator.
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fn add(self, rhs: Deltatime) -> Self::Output

Performs the + operation. Read more
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impl<'a> Debug for Datetime<'a>

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

Formats the value using the given formatter. Read more
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impl<'a> Ord for Datetime<'a>

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fn cmp(&self, other: &Self) -> 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<'a> PartialEq for Datetime<'a>

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fn eq(&self, other: &Datetime<'_>) -> 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<'a> PartialOrd for Datetime<'a>

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fn partial_cmp(&self, other: &Datetime<'_>) -> 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<'a> Sub<Deltatime> for Datetime<'a>

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type Output = Datetime<'a>

The resulting type after applying the - operator.
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fn sub(self, rhs: Deltatime) -> Self::Output

Performs the - operation. Read more
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impl<'a> Eq for Datetime<'a>

Auto Trait Implementations§

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impl<'a> Freeze for Datetime<'a>

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impl<'a> RefUnwindSafe for Datetime<'a>

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impl<'a> !Send for Datetime<'a>

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impl<'a> !Sync for Datetime<'a>

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impl<'a> Unpin for Datetime<'a>

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impl<'a> UnwindSafe for Datetime<'a>

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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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, 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.