196 lines
9.2 KiB
C++
196 lines
9.2 KiB
C++
#ifndef ICU4XDataProvider_HPP
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#define ICU4XDataProvider_HPP
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <algorithm>
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#include <memory>
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#include <variant>
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#include <optional>
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#include "diplomat_runtime.hpp"
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#include "ICU4XDataProvider.h"
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class ICU4XDataProvider;
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#include "ICU4XError.hpp"
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class ICU4XLocaleFallbacker;
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/**
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* A destruction policy for using ICU4XDataProvider with std::unique_ptr.
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*/
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struct ICU4XDataProviderDeleter {
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void operator()(capi::ICU4XDataProvider* l) const noexcept {
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capi::ICU4XDataProvider_destroy(l);
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}
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};
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/**
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* An ICU4X data provider, capable of loading ICU4X data keys from some source.
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*
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* See the [Rust documentation for `icu_provider`](https://docs.rs/icu_provider/latest/icu_provider/index.html) for more information.
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*/
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class ICU4XDataProvider {
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public:
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/**
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* Constructs an [`ICU4XDataProvider`] that uses compiled data.
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*
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* Requires the `compiled_data` feature.
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*
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* This provider cannot be modified or combined with other providers, so `enable_fallback`,
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* `enabled_fallback_with`, `fork_by_locale`, and `fork_by_key` will return `Err`s.
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*/
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static ICU4XDataProvider create_compiled();
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/**
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* Constructs an `FsDataProvider` and returns it as an [`ICU4XDataProvider`].
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* Requires the `provider_fs` Cargo feature.
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* Not supported in WASM.
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*
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* See the [Rust documentation for `FsDataProvider`](https://docs.rs/icu_provider_fs/latest/icu_provider_fs/struct.FsDataProvider.html) for more information.
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*/
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static diplomat::result<ICU4XDataProvider, ICU4XError> create_fs(const std::string_view path);
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/**
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* Deprecated
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*
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* Use `create_compiled()`.
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*/
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static ICU4XDataProvider create_test();
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/**
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* Constructs a `BlobDataProvider` and returns it as an [`ICU4XDataProvider`].
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*
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* See the [Rust documentation for `BlobDataProvider`](https://docs.rs/icu_provider_blob/latest/icu_provider_blob/struct.BlobDataProvider.html) for more information.
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*
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* Lifetimes: `blob` must live for the duration of the program.
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*/
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static diplomat::result<ICU4XDataProvider, ICU4XError> create_from_byte_slice(const diplomat::span<const uint8_t> blob);
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/**
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* Constructs an empty [`ICU4XDataProvider`].
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*
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* See the [Rust documentation for `EmptyDataProvider`](https://docs.rs/icu_provider_adapters/latest/icu_provider_adapters/empty/struct.EmptyDataProvider.html) for more information.
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*/
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static ICU4XDataProvider create_empty();
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/**
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* Creates a provider that tries the current provider and then, if the current provider
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* doesn't support the data key, another provider `other`.
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*
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* This takes ownership of the `other` provider, leaving an empty provider in its place.
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*
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* The providers must be the same type (Any or Buffer). This condition is satisfied if
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* both providers originate from the same constructor, such as `create_from_byte_slice`
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* or `create_fs`. If the condition is not upheld, a runtime error occurs.
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*
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* See the [Rust documentation for `ForkByKeyProvider`](https://docs.rs/icu_provider_adapters/latest/icu_provider_adapters/fork/type.ForkByKeyProvider.html) for more information.
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*/
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diplomat::result<std::monostate, ICU4XError> fork_by_key(ICU4XDataProvider& other);
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/**
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* Same as `fork_by_key` but forks by locale instead of key.
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*
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* See the [Rust documentation for `MissingLocalePredicate`](https://docs.rs/icu_provider_adapters/latest/icu_provider_adapters/fork/predicates/struct.MissingLocalePredicate.html) for more information.
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*/
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diplomat::result<std::monostate, ICU4XError> fork_by_locale(ICU4XDataProvider& other);
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/**
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* Enables locale fallbacking for data requests made to this provider.
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*
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* Note that the test provider (from `create_test`) already has fallbacking enabled.
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*
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* See the [Rust documentation for `try_new`](https://docs.rs/icu_provider_adapters/latest/icu_provider_adapters/fallback/struct.LocaleFallbackProvider.html#method.try_new) for more information.
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*
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* Additional information: [1](https://docs.rs/icu_provider_adapters/latest/icu_provider_adapters/fallback/struct.LocaleFallbackProvider.html)
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*/
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diplomat::result<std::monostate, ICU4XError> enable_locale_fallback();
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/**
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* See the [Rust documentation for `new_with_fallbacker`](https://docs.rs/icu_provider_adapters/latest/icu_provider_adapters/fallback/struct.LocaleFallbackProvider.html#method.new_with_fallbacker) for more information.
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*
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* Additional information: [1](https://docs.rs/icu_provider_adapters/latest/icu_provider_adapters/fallback/struct.LocaleFallbackProvider.html)
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*/
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diplomat::result<std::monostate, ICU4XError> enable_locale_fallback_with(const ICU4XLocaleFallbacker& fallbacker);
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inline const capi::ICU4XDataProvider* AsFFI() const { return this->inner.get(); }
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inline capi::ICU4XDataProvider* AsFFIMut() { return this->inner.get(); }
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inline explicit ICU4XDataProvider(capi::ICU4XDataProvider* i) : inner(i) {}
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ICU4XDataProvider() = default;
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ICU4XDataProvider(ICU4XDataProvider&&) noexcept = default;
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ICU4XDataProvider& operator=(ICU4XDataProvider&& other) noexcept = default;
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private:
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std::unique_ptr<capi::ICU4XDataProvider, ICU4XDataProviderDeleter> inner;
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};
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#include "ICU4XLocaleFallbacker.hpp"
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inline ICU4XDataProvider ICU4XDataProvider::create_compiled() {
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return ICU4XDataProvider(capi::ICU4XDataProvider_create_compiled());
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}
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inline diplomat::result<ICU4XDataProvider, ICU4XError> ICU4XDataProvider::create_fs(const std::string_view path) {
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auto diplomat_result_raw_out_value = capi::ICU4XDataProvider_create_fs(path.data(), path.size());
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diplomat::result<ICU4XDataProvider, ICU4XError> diplomat_result_out_value;
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if (diplomat_result_raw_out_value.is_ok) {
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diplomat_result_out_value = diplomat::Ok<ICU4XDataProvider>(ICU4XDataProvider(diplomat_result_raw_out_value.ok));
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} else {
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diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
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}
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return diplomat_result_out_value;
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}
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inline ICU4XDataProvider ICU4XDataProvider::create_test() {
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return ICU4XDataProvider(capi::ICU4XDataProvider_create_test());
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}
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inline diplomat::result<ICU4XDataProvider, ICU4XError> ICU4XDataProvider::create_from_byte_slice(const diplomat::span<const uint8_t> blob) {
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auto diplomat_result_raw_out_value = capi::ICU4XDataProvider_create_from_byte_slice(blob.data(), blob.size());
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diplomat::result<ICU4XDataProvider, ICU4XError> diplomat_result_out_value;
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if (diplomat_result_raw_out_value.is_ok) {
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diplomat_result_out_value = diplomat::Ok<ICU4XDataProvider>(ICU4XDataProvider(diplomat_result_raw_out_value.ok));
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} else {
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diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
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}
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return diplomat_result_out_value;
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}
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inline ICU4XDataProvider ICU4XDataProvider::create_empty() {
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return ICU4XDataProvider(capi::ICU4XDataProvider_create_empty());
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}
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inline diplomat::result<std::monostate, ICU4XError> ICU4XDataProvider::fork_by_key(ICU4XDataProvider& other) {
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auto diplomat_result_raw_out_value = capi::ICU4XDataProvider_fork_by_key(this->inner.get(), other.AsFFIMut());
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diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
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if (diplomat_result_raw_out_value.is_ok) {
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diplomat_result_out_value = diplomat::Ok<std::monostate>(std::monostate());
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} else {
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diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
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}
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return diplomat_result_out_value;
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}
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inline diplomat::result<std::monostate, ICU4XError> ICU4XDataProvider::fork_by_locale(ICU4XDataProvider& other) {
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auto diplomat_result_raw_out_value = capi::ICU4XDataProvider_fork_by_locale(this->inner.get(), other.AsFFIMut());
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diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
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if (diplomat_result_raw_out_value.is_ok) {
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diplomat_result_out_value = diplomat::Ok<std::monostate>(std::monostate());
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} else {
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diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
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}
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return diplomat_result_out_value;
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}
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inline diplomat::result<std::monostate, ICU4XError> ICU4XDataProvider::enable_locale_fallback() {
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auto diplomat_result_raw_out_value = capi::ICU4XDataProvider_enable_locale_fallback(this->inner.get());
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diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
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if (diplomat_result_raw_out_value.is_ok) {
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diplomat_result_out_value = diplomat::Ok<std::monostate>(std::monostate());
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} else {
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diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
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}
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return diplomat_result_out_value;
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}
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inline diplomat::result<std::monostate, ICU4XError> ICU4XDataProvider::enable_locale_fallback_with(const ICU4XLocaleFallbacker& fallbacker) {
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auto diplomat_result_raw_out_value = capi::ICU4XDataProvider_enable_locale_fallback_with(this->inner.get(), fallbacker.AsFFI());
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diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
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if (diplomat_result_raw_out_value.is_ok) {
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diplomat_result_out_value = diplomat::Ok<std::monostate>(std::monostate());
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} else {
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diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
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}
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return diplomat_result_out_value;
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}
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#endif
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