| mod.rs |
Providers that filter resource requests.
Requests that fail a filter test will return [`DataError`] of kind [`FilteredResource`](
DataErrorKind::FilteredResource) and will not appear in [`IterableDynamicDataProvider`] iterators.
The main struct is [`RequestFilterDataProvider`]. Although that struct can be created
directly, the traits in this module provide helper functions for common filtering patterns.
To create a `RequestFilterDataProvider`, you can use the [`Filterable`] blanket function:
```
use icu_provider_adapters::filter::Filterable;
// now call .filterable() on any object to get a RequestFilterDataProvider
```
# Examples
```
use icu_locid::subtags::language;
use icu_provider::hello_world::*;
use icu_provider::prelude::*;
use icu_provider_adapters::filter::Filterable;
// Only return German data from a HelloWorldProvider:
HelloWorldProvider
.filterable("Demo German-only filter")
.filter_by_langid(|langid| langid.language == language!("de"));
```
[`IterableDynamicDataProvider`]: icu_provider::datagen::IterableDynamicDataProvider |
7587 |