Enum icu_datetime::fieldset::dynamic::ZoneFieldSet

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#[non_exhaustive]
pub enum ZoneFieldSet { Z(Z), O(O), V(V), L(L), }
Expand description

An enumeration over all possible zone field sets.

Note: fieldset::Zs and fieldset::Vs are not included in this enum because they are data size optimizations only.

§Time Zone Data Size

Time zone names contribute a lot of data size. For resource-constrained environments, the following formats require the least amount of data:

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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Z(Z)

The specific non-location format, as in “Pacific Daylight Time”.

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O(O)

The offset format, as in “GMT−8”.

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V(V)

The generic non-location format, as in “Pacific Time”.

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L(L)

The location format, as in “Los Angeles time”.

Trait Implementations§

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impl Clone for ZoneFieldSet

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fn clone(&self) -> ZoneFieldSet

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 DateTimeMarkers for ZoneFieldSet

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type D = ()

Associated types for date formatting. Read more
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type T = ()

Associated types for time formatting. Read more
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type Z = ZoneFieldSet

Associated types for time zone formatting. Read more
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type GluePatternV1Marker = NeverMarker<GluePatternV1<'static>>

Marker for loading the date/time glue pattern.
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impl DateTimeNamesMarker for ZoneFieldSet

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impl Debug for ZoneFieldSet

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

Formats the value using the given formatter. Read more
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impl GetField<CompositeFieldSet> for ZoneFieldSet

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fn get_field(&self) -> CompositeFieldSet

Returns the value of this trait’s field T.
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impl PartialEq for ZoneFieldSet

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fn eq(&self, other: &ZoneFieldSet) -> 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 ZoneMarkers for ZoneFieldSet

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type TimeZoneIdInput = TimeZoneBcp47Id

Marker for resolving the time zone id input field.
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type TimeZoneOffsetInput = Option<UtcOffset>

Marker for resolving the time zone offset input field.
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type TimeZoneVariantInput = ZoneVariant

Marker for resolving the time zone variant input field.
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type TimeZoneLocalTimeInput = (Date<Iso>, Time)

Marker for resolving the time zone non-location display names, which depend on the datetime.
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type EssentialsV1Marker = TimeZoneEssentialsV1Marker

Marker for loading core time zone data.
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type LocationsV1Marker = LocationsV1Marker

Marker for loading location names for time zone formatting
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type GenericLongV1Marker = MetazoneGenericNamesLongV1Marker

Marker for loading generic long time zone names.
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type GenericShortV1Marker = MetazoneGenericNamesShortV1Marker

Marker for loading generic short time zone names.
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type SpecificLongV1Marker = MetazoneSpecificNamesLongV1Marker

Marker for loading specific long time zone names.
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type SpecificShortV1Marker = MetazoneSpecificNamesShortV1Marker

Marker for loading generic short time zone names.
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type MetazonePeriodV1Marker = MetazonePeriodV1Marker

Marker for loading metazone periods.
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impl Copy for ZoneFieldSet

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impl Eq for ZoneFieldSet

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impl StructuralPartialEq for ZoneFieldSet

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impl UnstableSealed for ZoneFieldSet

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> GetField<T> for T
where T: Copy,

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fn get_field(&self) -> T

Returns the value of this trait’s field T.
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> ToOwned for T
where 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, 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.
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T
where T: Send + Sync,