[−][src]Struct c3p0_mysql::mysql::chrono::prelude::Utc
The UTC time zone. This is the most efficient time zone when you don't need the local time. It is also used as an offset (which is also a dummy type).
Using the TimeZone
methods
on the UTC struct is the preferred way to construct DateTime<Utc>
instances.
Example
use chrono::{DateTime, TimeZone, NaiveDateTime, Utc}; let dt = DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(61, 0), Utc); assert_eq!(Utc.timestamp(61, 0), dt); assert_eq!(Utc.ymd(1970, 1, 1).and_hms(0, 1, 1), dt);
Methods
impl Utc
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pub fn today() -> Date<Utc>
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Returns a Date
which corresponds to the current date.
pub fn now() -> DateTime<Utc>
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Returns a DateTime
which corresponds to the current date.
Trait Implementations
impl Eq for Utc
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impl Copy for Utc
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impl Clone for Utc
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fn clone(&self) -> Utc
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Debug for Utc
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impl Offset for Utc
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fn fix(&self) -> FixedOffset
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impl PartialEq<Utc> for Utc
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fn eq(&self, other: &Utc) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
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This method tests for !=
.
impl Display for Utc
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impl TimeZone for Utc
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type Offset = Utc
An associated offset type. This type is used to store the actual offset in date and time types. The original TimeZone
value can be recovered via TimeZone::from_offset
. Read more
fn from_offset(_state: &Utc) -> Utc
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fn offset_from_local_date(&self, _local: &NaiveDate) -> LocalResult<Utc>
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fn offset_from_local_datetime(&self, _local: &NaiveDateTime) -> LocalResult<Utc>
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fn offset_from_utc_date(&self, _utc: &NaiveDate) -> Utc
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fn offset_from_utc_datetime(&self, _utc: &NaiveDateTime) -> Utc
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fn ymd(&self, year: i32, month: u32, day: u32) -> Date<Self>
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Makes a new Date
from year, month, day and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. Read more
fn ymd_opt(&self, year: i32, month: u32, day: u32) -> LocalResult<Date<Self>>
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Makes a new Date
from year, month, day and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. Read more
fn yo(&self, year: i32, ordinal: u32) -> Date<Self>
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Makes a new Date
from year, day of year (DOY or "ordinal") and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. Read more
fn yo_opt(&self, year: i32, ordinal: u32) -> LocalResult<Date<Self>>
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Makes a new Date
from year, day of year (DOY or "ordinal") and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. Read more
fn isoywd(&self, year: i32, week: u32, weekday: Weekday) -> Date<Self>
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Makes a new Date
from ISO week date (year and week number), day of the week (DOW) and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. The resulting Date
may have a different year from the input year. Read more
fn isoywd_opt(
&self,
year: i32,
week: u32,
weekday: Weekday
) -> LocalResult<Date<Self>>
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&self,
year: i32,
week: u32,
weekday: Weekday
) -> LocalResult<Date<Self>>
Makes a new Date
from ISO week date (year and week number), day of the week (DOW) and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. The resulting Date
may have a different year from the input year. Read more
fn timestamp(&self, secs: i64, nsecs: u32) -> DateTime<Self>
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Makes a new DateTime
from the number of non-leap seconds since January 1, 1970 0:00:00 UTC (aka "UNIX timestamp") and the number of nanoseconds since the last whole non-leap second. Read more
fn timestamp_opt(&self, secs: i64, nsecs: u32) -> LocalResult<DateTime<Self>>
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Makes a new DateTime
from the number of non-leap seconds since January 1, 1970 0:00:00 UTC (aka "UNIX timestamp") and the number of nanoseconds since the last whole non-leap second. Read more
fn timestamp_millis(&self, millis: i64) -> DateTime<Self>
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Makes a new DateTime
from the number of non-leap milliseconds since January 1, 1970 0:00:00 UTC (aka "UNIX timestamp"). Read more
fn timestamp_millis_opt(&self, millis: i64) -> LocalResult<DateTime<Self>>
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Makes a new DateTime
from the number of non-leap milliseconds since January 1, 1970 0:00:00 UTC (aka "UNIX timestamp"). Read more
fn timestamp_nanos(&self, nanos: i64) -> DateTime<Self>
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Makes a new DateTime
from the number of non-leap nanoseconds since January 1, 1970 0:00:00 UTC (aka "UNIX timestamp"). Read more
fn datetime_from_str(
&self,
s: &str,
fmt: &str
) -> Result<DateTime<Self>, ParseError>
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&self,
s: &str,
fmt: &str
) -> Result<DateTime<Self>, ParseError>
Parses a string with the specified format string and returns a DateTime
with the current offset. See the format::strftime
module on the supported escape sequences. Read more
fn from_local_date(&self, local: &NaiveDate) -> LocalResult<Date<Self>>
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Converts the local NaiveDate
to the timezone-aware Date
if possible.
fn from_local_datetime(
&self,
local: &NaiveDateTime
) -> LocalResult<DateTime<Self>>
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&self,
local: &NaiveDateTime
) -> LocalResult<DateTime<Self>>
Converts the local NaiveDateTime
to the timezone-aware DateTime
if possible.
fn from_utc_date(&self, utc: &NaiveDate) -> Date<Self>
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Converts the UTC NaiveDate
to the local time. The UTC is continuous and thus this cannot fail (but can give the duplicate local time). Read more
fn from_utc_datetime(&self, utc: &NaiveDateTime) -> DateTime<Self>
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Converts the UTC NaiveDateTime
to the local time. The UTC is continuous and thus this cannot fail (but can give the duplicate local time). Read more
Auto Trait Implementations
impl Send for Utc
impl Unpin for Utc
impl Sync for Utc
impl UnwindSafe for Utc
impl RefUnwindSafe for Utc
Blanket Implementations
impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Same<T> for T
type Output = T
Should always be Self