Struct toml_edit::Datetime

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pub struct Datetime {
    pub date: Option<Date>,
    pub time: Option<Time>,
    pub offset: Option<Offset>,
}
Expand description

A parsed TOML datetime value

This structure is intended to represent the datetime primitive type that can be encoded into TOML documents. This type is a parsed version that contains all metadata internally.

Currently this type is intentionally conservative and only supports to_string as an accessor. Over time though it’s intended that it’ll grow more support!

Note that if you’re using Deserialize to deserialize a TOML document, you can use this as a placeholder for where you’re expecting a datetime to be specified.

Also note though that while this type implements Serialize and Deserialize it’s only recommended to use this type with the TOML format, otherwise encoded in other formats it may look a little odd.

Depending on how the option values are used, this struct will correspond with one of the following four datetimes from the TOML v1.0.0 spec:

datetimeoffsetTOML type
Some(_)Some(_)Some(_)Offset Date-Time
Some(_)Some(_)NoneLocal Date-Time
Some(_)NoneNoneLocal Date
NoneSome(_)NoneLocal Time

1. Offset Date-Time: If all the optional values are used, Datetime corresponds to an Offset Date-Time. From the TOML v1.0.0 spec:

To unambiguously represent a specific instant in time, you may use an RFC 3339 formatted date-time with offset.

odt1 = 1979-05-27T07:32:00Z
odt2 = 1979-05-27T00:32:00-07:00
odt3 = 1979-05-27T00:32:00.999999-07:00

For the sake of readability, you may replace the T delimiter between date and time with a space character (as permitted by RFC 3339 section 5.6).

odt4 = 1979-05-27 07:32:00Z

2. Local Date-Time: If date and time are given but offset is None, Datetime corresponds to a Local Date-Time. From the spec:

If you omit the offset from an RFC 3339 formatted date-time, it will represent the given date-time without any relation to an offset or timezone. It cannot be converted to an instant in time without additional information. Conversion to an instant, if required, is implementation- specific.

ldt1 = 1979-05-27T07:32:00
ldt2 = 1979-05-27T00:32:00.999999

3. Local Date: If only date is given, Datetime corresponds to a Local Date; see the docs for Date.

4. Local Time: If only time is given, Datetime corresponds to a Local Time; see the docs for Time.

Fields§

§date: Option<Date>

Optional date. Required for: Offset Date-Time, Local Date-Time, Local Date.

§time: Option<Time>

Optional time. Required for: Offset Date-Time, Local Date-Time, Local Time.

§offset: Option<Offset>

Optional offset. Required for: Offset Date-Time.

Trait Implementations§

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impl Clone for Datetime

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fn clone(&self) -> Datetime

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Datetime

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for Datetime

Available on crate feature serde only.
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fn deserialize<D>( deserializer: D ) -> Result<Datetime, <D as Deserializer<'de>>::Error>where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for Datetime

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

Formats the value using the given formatter. Read more
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impl From<Date> for Datetime

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fn from(other: Date) -> Datetime

Converts to this type from the input type.
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impl From<Datetime> for Value

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fn from(d: Datetime) -> Self

Converts to this type from the input type.
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impl From<Time> for Datetime

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fn from(other: Time) -> Datetime

Converts to this type from the input type.
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impl FromStr for Datetime

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type Err = DatetimeParseError

The associated error which can be returned from parsing.
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fn from_str(date: &str) -> Result<Datetime, DatetimeParseError>

Parses a string s to return a value of this type. Read more
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impl Ord for Datetime

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

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl PartialEq<Datetime> for Datetime

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd<Datetime> for Datetime

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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

This method 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

This method 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

This method 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

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

Available on crate feature serde only.
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fn serialize<S>( &self, serializer: S ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for Datetime

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impl Eq for Datetime

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impl StructuralEq for Datetime

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impl StructuralPartialEq for Datetime

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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<Q, K> Comparable<K> for Qwhere Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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 Twhere 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> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere 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 Twhere 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.
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impl<T> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,