Struct serde_lvm::Date
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#[must_use]pub struct Date(_);
Timezone-dependent date
Methods
impl Date
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pub fn map<__SHRINKWRAP_T, __SHRINKWRAP_F: FnMut(NaiveDate) -> __SHRINKWRAP_T>(
self,
f: __SHRINKWRAP_F
) -> __SHRINKWRAP_T
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self,
f: __SHRINKWRAP_F
) -> __SHRINKWRAP_T
Map a function over the wrapped value, consuming it in the process.
pub fn map_ref<__SHRINKWRAP_T, __SHRINKWRAP_F: FnMut(&NaiveDate) -> __SHRINKWRAP_T>(
&self,
f: __SHRINKWRAP_F
) -> __SHRINKWRAP_T
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&self,
f: __SHRINKWRAP_F
) -> __SHRINKWRAP_T
Map a function over the wrapped value without consuming it.
Methods from Deref<Target = NaiveDate>
pub fn and_time(&self, time: NaiveTime) -> NaiveDateTime
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Makes a new NaiveDateTime
from the current date and given NaiveTime
.
Example
use chrono::{NaiveDate, NaiveTime, NaiveDateTime}; let d = NaiveDate::from_ymd(2015, 6, 3); let t = NaiveTime::from_hms_milli(12, 34, 56, 789); let dt: NaiveDateTime = d.and_time(t); assert_eq!(dt.date(), d); assert_eq!(dt.time(), t);
pub fn and_hms(&self, hour: u32, min: u32, sec: u32) -> NaiveDateTime
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Makes a new NaiveDateTime
from the current date, hour, minute and second.
No leap second is allowed here;
use NaiveDate::and_hms_*
methods with a subsecond parameter instead.
Panics on invalid hour, minute and/or second.
Example
use chrono::{NaiveDate, NaiveDateTime, Datelike, Timelike, Weekday}; let d = NaiveDate::from_ymd(2015, 6, 3); let dt: NaiveDateTime = d.and_hms(12, 34, 56); assert_eq!(dt.year(), 2015); assert_eq!(dt.weekday(), Weekday::Wed); assert_eq!(dt.second(), 56);
pub fn and_hms_opt(
&self,
hour: u32,
min: u32,
sec: u32
) -> Option<NaiveDateTime>
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&self,
hour: u32,
min: u32,
sec: u32
) -> Option<NaiveDateTime>
Makes a new NaiveDateTime
from the current date, hour, minute and second.
No leap second is allowed here;
use NaiveDate::and_hms_*_opt
methods with a subsecond parameter instead.
Returns None
on invalid hour, minute and/or second.
Example
use chrono::NaiveDate; let d = NaiveDate::from_ymd(2015, 6, 3); assert!(d.and_hms_opt(12, 34, 56).is_some()); assert!(d.and_hms_opt(12, 34, 60).is_none()); // use `and_hms_milli_opt` instead assert!(d.and_hms_opt(12, 60, 56).is_none()); assert!(d.and_hms_opt(24, 34, 56).is_none());
pub fn and_hms_milli(
&self,
hour: u32,
min: u32,
sec: u32,
milli: u32
) -> NaiveDateTime
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&self,
hour: u32,
min: u32,
sec: u32,
milli: u32
) -> NaiveDateTime
Makes a new NaiveDateTime
from the current date, hour, minute, second and millisecond.
The millisecond part can exceed 1,000 in order to represent the leap second.
Panics on invalid hour, minute, second and/or millisecond.
Example
use chrono::{NaiveDate, NaiveDateTime, Datelike, Timelike, Weekday}; let d = NaiveDate::from_ymd(2015, 6, 3); let dt: NaiveDateTime = d.and_hms_milli(12, 34, 56, 789); assert_eq!(dt.year(), 2015); assert_eq!(dt.weekday(), Weekday::Wed); assert_eq!(dt.second(), 56); assert_eq!(dt.nanosecond(), 789_000_000);
pub fn and_hms_milli_opt(
&self,
hour: u32,
min: u32,
sec: u32,
milli: u32
) -> Option<NaiveDateTime>
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&self,
hour: u32,
min: u32,
sec: u32,
milli: u32
) -> Option<NaiveDateTime>
Makes a new NaiveDateTime
from the current date, hour, minute, second and millisecond.
The millisecond part can exceed 1,000 in order to represent the leap second.
Returns None
on invalid hour, minute, second and/or millisecond.
Example
use chrono::NaiveDate; let d = NaiveDate::from_ymd(2015, 6, 3); assert!(d.and_hms_milli_opt(12, 34, 56, 789).is_some()); assert!(d.and_hms_milli_opt(12, 34, 59, 1_789).is_some()); // leap second assert!(d.and_hms_milli_opt(12, 34, 59, 2_789).is_none()); assert!(d.and_hms_milli_opt(12, 34, 60, 789).is_none()); assert!(d.and_hms_milli_opt(12, 60, 56, 789).is_none()); assert!(d.and_hms_milli_opt(24, 34, 56, 789).is_none());
pub fn and_hms_micro(
&self,
hour: u32,
min: u32,
sec: u32,
micro: u32
) -> NaiveDateTime
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&self,
hour: u32,
min: u32,
sec: u32,
micro: u32
) -> NaiveDateTime
Makes a new NaiveDateTime
from the current date, hour, minute, second and microsecond.
The microsecond part can exceed 1,000,000 in order to represent the leap second.
Panics on invalid hour, minute, second and/or microsecond.
Example
use chrono::{NaiveDate, NaiveDateTime, Datelike, Timelike, Weekday}; let d = NaiveDate::from_ymd(2015, 6, 3); let dt: NaiveDateTime = d.and_hms_micro(12, 34, 56, 789_012); assert_eq!(dt.year(), 2015); assert_eq!(dt.weekday(), Weekday::Wed); assert_eq!(dt.second(), 56); assert_eq!(dt.nanosecond(), 789_012_000);
pub fn and_hms_micro_opt(
&self,
hour: u32,
min: u32,
sec: u32,
micro: u32
) -> Option<NaiveDateTime>
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&self,
hour: u32,
min: u32,
sec: u32,
micro: u32
) -> Option<NaiveDateTime>
Makes a new NaiveDateTime
from the current date, hour, minute, second and microsecond.
The microsecond part can exceed 1,000,000 in order to represent the leap second.
Returns None
on invalid hour, minute, second and/or microsecond.
Example
use chrono::NaiveDate; let d = NaiveDate::from_ymd(2015, 6, 3); assert!(d.and_hms_micro_opt(12, 34, 56, 789_012).is_some()); assert!(d.and_hms_micro_opt(12, 34, 59, 1_789_012).is_some()); // leap second assert!(d.and_hms_micro_opt(12, 34, 59, 2_789_012).is_none()); assert!(d.and_hms_micro_opt(12, 34, 60, 789_012).is_none()); assert!(d.and_hms_micro_opt(12, 60, 56, 789_012).is_none()); assert!(d.and_hms_micro_opt(24, 34, 56, 789_012).is_none());
pub fn and_hms_nano(
&self,
hour: u32,
min: u32,
sec: u32,
nano: u32
) -> NaiveDateTime
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&self,
hour: u32,
min: u32,
sec: u32,
nano: u32
) -> NaiveDateTime
Makes a new NaiveDateTime
from the current date, hour, minute, second and nanosecond.
The nanosecond part can exceed 1,000,000,000 in order to represent the leap second.
Panics on invalid hour, minute, second and/or nanosecond.
Example
use chrono::{NaiveDate, NaiveDateTime, Datelike, Timelike, Weekday}; let d = NaiveDate::from_ymd(2015, 6, 3); let dt: NaiveDateTime = d.and_hms_nano(12, 34, 56, 789_012_345); assert_eq!(dt.year(), 2015); assert_eq!(dt.weekday(), Weekday::Wed); assert_eq!(dt.second(), 56); assert_eq!(dt.nanosecond(), 789_012_345);
pub fn and_hms_nano_opt(
&self,
hour: u32,
min: u32,
sec: u32,
nano: u32
) -> Option<NaiveDateTime>
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&self,
hour: u32,
min: u32,
sec: u32,
nano: u32
) -> Option<NaiveDateTime>
Makes a new NaiveDateTime
from the current date, hour, minute, second and nanosecond.
The nanosecond part can exceed 1,000,000,000 in order to represent the leap second.
Returns None
on invalid hour, minute, second and/or nanosecond.
Example
use chrono::NaiveDate; let d = NaiveDate::from_ymd(2015, 6, 3); assert!(d.and_hms_nano_opt(12, 34, 56, 789_012_345).is_some()); assert!(d.and_hms_nano_opt(12, 34, 59, 1_789_012_345).is_some()); // leap second assert!(d.and_hms_nano_opt(12, 34, 59, 2_789_012_345).is_none()); assert!(d.and_hms_nano_opt(12, 34, 60, 789_012_345).is_none()); assert!(d.and_hms_nano_opt(12, 60, 56, 789_012_345).is_none()); assert!(d.and_hms_nano_opt(24, 34, 56, 789_012_345).is_none());
pub fn succ(&self) -> NaiveDate
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Makes a new NaiveDate
for the next calendar date.
Panics when self
is the last representable date.
Example
use chrono::NaiveDate; assert_eq!(NaiveDate::from_ymd(2015, 6, 3).succ(), NaiveDate::from_ymd(2015, 6, 4)); assert_eq!(NaiveDate::from_ymd(2015, 6, 30).succ(), NaiveDate::from_ymd(2015, 7, 1)); assert_eq!(NaiveDate::from_ymd(2015, 12, 31).succ(), NaiveDate::from_ymd(2016, 1, 1));
pub fn succ_opt(&self) -> Option<NaiveDate>
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Makes a new NaiveDate
for the next calendar date.
Returns None
when self
is the last representable date.
Example
use chrono::NaiveDate; use chrono::naive::MAX_DATE; assert_eq!(NaiveDate::from_ymd(2015, 6, 3).succ_opt(), Some(NaiveDate::from_ymd(2015, 6, 4))); assert_eq!(MAX_DATE.succ_opt(), None);
pub fn pred(&self) -> NaiveDate
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Makes a new NaiveDate
for the previous calendar date.
Panics when self
is the first representable date.
Example
use chrono::NaiveDate; assert_eq!(NaiveDate::from_ymd(2015, 6, 3).pred(), NaiveDate::from_ymd(2015, 6, 2)); assert_eq!(NaiveDate::from_ymd(2015, 6, 1).pred(), NaiveDate::from_ymd(2015, 5, 31)); assert_eq!(NaiveDate::from_ymd(2015, 1, 1).pred(), NaiveDate::from_ymd(2014, 12, 31));
pub fn pred_opt(&self) -> Option<NaiveDate>
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Makes a new NaiveDate
for the previous calendar date.
Returns None
when self
is the first representable date.
Example
use chrono::NaiveDate; use chrono::naive::MIN_DATE; assert_eq!(NaiveDate::from_ymd(2015, 6, 3).pred_opt(), Some(NaiveDate::from_ymd(2015, 6, 2))); assert_eq!(MIN_DATE.pred_opt(), None);
pub fn format_with_items<'a, I>(&self, items: I) -> DelayedFormat<I> where
I: Iterator<Item = Item<'a>> + Clone,
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I: Iterator<Item = Item<'a>> + Clone,
Formats the date with the specified formatting items.
Otherwise it is same to the ordinary format
method.
The Iterator
of items should be Clone
able,
since the resulting DelayedFormat
value may be formatted multiple times.
Example
use chrono::NaiveDate; use chrono::format::strftime::StrftimeItems; let fmt = StrftimeItems::new("%Y-%m-%d"); let d = NaiveDate::from_ymd(2015, 9, 5); assert_eq!(d.format_with_items(fmt.clone()).to_string(), "2015-09-05"); assert_eq!(d.format("%Y-%m-%d").to_string(), "2015-09-05");
The resulting DelayedFormat
can be formatted directly via the Display
trait.
assert_eq!(format!("{}", d.format_with_items(fmt)), "2015-09-05");
pub fn format(&self, fmt: &'a str) -> DelayedFormat<StrftimeItems<'a>>
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Formats the date with the specified format string.
See the format::strftime
module
on the supported escape sequences.
This returns a DelayedFormat
,
which gets converted to a string only when actual formatting happens.
You may use the to_string
method to get a String
,
or just feed it into print!
and other formatting macros.
(In this way it avoids the redundant memory allocation.)
A wrong format string does not issue an error immediately.
Rather, converting or formatting the DelayedFormat
fails.
You are recommended to immediately use DelayedFormat
for this reason.
Example
use chrono::NaiveDate; let d = NaiveDate::from_ymd(2015, 9, 5); assert_eq!(d.format("%Y-%m-%d").to_string(), "2015-09-05"); assert_eq!(d.format("%A, %-d %B, %C%y").to_string(), "Saturday, 5 September, 2015");
The resulting DelayedFormat
can be formatted directly via the Display
trait.
assert_eq!(format!("{}", d.format("%Y-%m-%d")), "2015-09-05"); assert_eq!(format!("{}", d.format("%A, %-d %B, %C%y")), "Saturday, 5 September, 2015");
Trait Implementations
impl Clone for Date
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fn clone(&self) -> Date
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl Copy for Date
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impl Debug for Date
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fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl Eq for Date
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impl From<NaiveDate> for Date
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impl From<Date> for NaiveDate
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impl Ord for Date
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fn cmp(&self, __arg_0: &Date) -> Ordering
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This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.21.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
Compares and returns the minimum of two values. Read more
impl PartialEq for Date
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fn eq(&self, __arg_0: &Date) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &Date) -> bool
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This method tests for !=
.
impl PartialOrd for Date
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fn partial_cmp(&self, __arg_0: &Date) -> Option<Ordering>
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This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, __arg_0: &Date) -> bool
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This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, __arg_0: &Date) -> bool
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This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, __arg_0: &Date) -> bool
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This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, __arg_0: &Date) -> bool
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This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl Deref for Date
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type Target = NaiveDate
The resulting type after dereferencing.
fn deref(&self) -> &Self::Target
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Dereferences the value.
impl Borrow<NaiveDate> for Date
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impl AsRef<NaiveDate> for Date
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impl FromStr for Date
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type Err = ParseError
The associated error which can be returned from parsing.
fn from_str(s: &str) -> Result<Self, Self::Err>
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Parses a string s
to return a value of this type. Read more
impl<'de> Deserialize<'de> for Date
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Date, D::Error>
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Deserialize this value from the given Serde deserializer. Read more
impl Display for Date
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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>
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Formats the value using the given formatter. Read more