Struct icu_provider::hello_world::HelloWorldProvider

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pub struct HelloWorldProvider;
Expand description

A data provider returning Hello World strings in different languages.

Mostly useful for testing.

§Examples

use icu_locid::langid;
use icu_provider::hello_world::*;
use icu_provider::prelude::*;

let german_hello_world: DataPayload<HelloWorldV1Marker> =
    HelloWorldProvider
        .load(DataRequest {
            locale: &langid!("de").into(),
            metadata: Default::default(),
        })
        .expect("Loading should succeed")
        .take_payload()
        .expect("Data should be present");

assert_eq!("Hallo Welt", german_hello_world.get().message);

Load the reverse string using an auxiliary key:

use icu_provider::hello_world::*;
use icu_provider::prelude::*;

let reverse_hello_world: DataPayload<HelloWorldV1Marker> =
    HelloWorldProvider
        .load(DataRequest {
            locale: &"en-x-reverse".parse().unwrap(),
            metadata: Default::default(),
        })
        .expect("Loading should succeed")
        .take_payload()
        .expect("Data should be present");

assert_eq!("Olleh Dlrow", reverse_hello_world.get().message);

Trait Implementations§

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impl DataProvider<HelloWorldV1Marker> for HelloWorldProvider

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fn load( &self, req: DataRequest<'_>, ) -> Result<DataResponse<HelloWorldV1Marker>, DataError>

Query the provider for data, returning the result. Read more
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impl Debug for HelloWorldProvider

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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 Default for HelloWorldProvider

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fn default() -> HelloWorldProvider

Returns the “default value” for a type. Read more
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impl DynamicDataProvider<AnyMarker> for HelloWorldProvider

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fn load_data( &self, key: DataKey, req: DataRequest<'_>, ) -> Result<DataResponse<AnyMarker>, DataError>

Query the provider for data, returning the result. Read more
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impl PartialEq for HelloWorldProvider

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fn eq(&self, other: &HelloWorldProvider) -> 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 StructuralPartialEq for HelloWorldProvider

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<P> AsDynamicDataProviderAnyMarkerWrap for P

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fn as_any_provider(&self) -> DynamicDataProviderAnyMarkerWrap<'_, P>

Returns an object implementing AnyProvider when called on DynamicDataProvider<AnyMarker>
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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> 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 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, 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