[−][src]Struct version_check::Date
Release date including year, month, and day.
Methods
impl Date
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pub fn read() -> Option<Date>
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Reads the release date of the running compiler. If it cannot be
determined (see the top-level documentation), returns None
.
Example
use version_check::Date; match Date::read() { Some(d) => format!("The release date is: {}", d), None => format!("Failed to read the release date.") };
pub fn parse(date: &str) -> Option<Date>
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Parse a release date of the form %Y-%m-%d
. Returns None
if date
is
not in %Y-%m-%d
format.
Example
use version_check::Date; let date = Date::parse("2016-04-20").unwrap(); assert!(date.at_least("2016-01-10")); assert!(date.at_most("2016-04-20")); assert!(date.exactly("2016-04-20")); assert!(Date::parse("March 13, 2018").is_none()); assert!(Date::parse("1-2-3-4-5").is_none());
pub fn at_least(&self, date: &str) -> bool
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Returns true
if self
occurs on or after date
.
If date
occurs before self
, or if date
is not in %Y-%m-%d
format, returns false
.
Example
use version_check::Date; let date = Date::parse("2020-01-01").unwrap(); assert!(date.at_least("2019-12-31")); assert!(date.at_least("2020-01-01")); assert!(date.at_least("2014-04-31")); assert!(!date.at_least("2020-01-02")); assert!(!date.at_least("2024-08-18"));
pub fn at_most(&self, date: &str) -> bool
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Returns true
if self
occurs on or before date
.
If date
occurs after self
, or if date
is not in %Y-%m-%d
format, returns false
.
Example
use version_check::Date; let date = Date::parse("2020-01-01").unwrap(); assert!(date.at_most("2020-01-01")); assert!(date.at_most("2020-01-02")); assert!(date.at_most("2024-08-18")); assert!(!date.at_most("2019-12-31")); assert!(!date.at_most("2014-04-31"));
pub fn exactly(&self, date: &str) -> bool
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Returns true
if self
occurs exactly on date
.
If date
is not exactly self
, or if date
is not in %Y-%m-%d
format, returns false
.
Example
use version_check::Date; let date = Date::parse("2020-01-01").unwrap(); assert!(date.exactly("2020-01-01")); assert!(!date.exactly("2019-12-31")); assert!(!date.exactly("2014-04-31")); assert!(!date.exactly("2020-01-02")); assert!(!date.exactly("2024-08-18"));
Trait Implementations
impl PartialEq<Date> for Date
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impl Clone for Date
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fn clone(&self) -> Date
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fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl Ord for Date
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fn cmp(&self, other: &Date) -> Ordering
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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
fn clamp(self, min: Self, max: Self) -> Self
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clamp
)Restrict a value to a certain interval. Read more
impl Eq for Date
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impl Copy for Date
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impl PartialOrd<Date> for Date
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fn partial_cmp(&self, other: &Date) -> Option<Ordering>
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fn lt(&self, other: &Date) -> bool
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fn le(&self, other: &Date) -> bool
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fn gt(&self, other: &Date) -> bool
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fn ge(&self, other: &Date) -> bool
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impl Debug for Date
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impl Display for Date
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Auto Trait Implementations
Blanket Implementations
impl<T> From<T> for T
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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> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
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> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
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> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,