1 files changed, 60 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XLocaleFallbackerWithConfig.hpp b/intl/icu_capi/cpp/include/ICU4XLocaleFallbackerWithConfig.hpp
new file mode 100644
index 0000000000..41f23cd0b0
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+++ b/intl/icu_capi/cpp/include/ICU4XLocaleFallbackerWithConfig.hpp
@@ -0,0 +1,60 @@
+#ifndef ICU4XLocaleFallbackerWithConfig_HPP
+#define ICU4XLocaleFallbackerWithConfig_HPP
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <algorithm>
+#include <memory>
+#include <variant>
+#include <optional>
+#include "diplomat_runtime.hpp"
+
+#include "ICU4XLocaleFallbackerWithConfig.h"
+
+class ICU4XLocale;
+class ICU4XLocaleFallbackIterator;
+
+/**
+ * A destruction policy for using ICU4XLocaleFallbackerWithConfig with std::unique_ptr.
+ */
+struct ICU4XLocaleFallbackerWithConfigDeleter {
+  void operator()(capi::ICU4XLocaleFallbackerWithConfig* l) const noexcept {
+    capi::ICU4XLocaleFallbackerWithConfig_destroy(l);
+  }
+};
+
+/**
+ * An object that runs the ICU4X locale fallback algorithm with specific configurations.
+ * 
+ * See the [Rust documentation for `LocaleFallbacker`](https://docs.rs/icu/latest/icu/locid_transform/fallback/struct.LocaleFallbacker.html) for more information.
+ * 
+ * See the [Rust documentation for `LocaleFallbackerWithConfig`](https://docs.rs/icu/latest/icu/locid_transform/fallback/struct.LocaleFallbackerWithConfig.html) for more information.
+ */
+class ICU4XLocaleFallbackerWithConfig {
+ public:
+
+  /**
+   * Creates an iterator from a locale with each step of fallback.
+   * 
+   * See the [Rust documentation for `fallback_for`](https://docs.rs/icu/latest/icu/locid_transform/fallback/struct.LocaleFallbacker.html#method.fallback_for) for more information.
+   * 
+   * Lifetimes: `this` must live at least as long as the output.
+   */
+  ICU4XLocaleFallbackIterator fallback_for_locale(const ICU4XLocale& locale) const;
+  inline const capi::ICU4XLocaleFallbackerWithConfig* AsFFI() const { return this->inner.get(); }
+  inline capi::ICU4XLocaleFallbackerWithConfig* AsFFIMut() { return this->inner.get(); }
+  inline explicit ICU4XLocaleFallbackerWithConfig(capi::ICU4XLocaleFallbackerWithConfig* i) : inner(i) {}
+  ICU4XLocaleFallbackerWithConfig() = default;
+  ICU4XLocaleFallbackerWithConfig(ICU4XLocaleFallbackerWithConfig&&) noexcept = default;
+  ICU4XLocaleFallbackerWithConfig& operator=(ICU4XLocaleFallbackerWithConfig&& other) noexcept = default;
+ private:
+  std::unique_ptr<capi::ICU4XLocaleFallbackerWithConfig, ICU4XLocaleFallbackerWithConfigDeleter> inner;
+};
+
+#include "ICU4XLocale.hpp"
+#include "ICU4XLocaleFallbackIterator.hpp"
+
+inline ICU4XLocaleFallbackIterator ICU4XLocaleFallbackerWithConfig::fallback_for_locale(const ICU4XLocale& locale) const {
+  return ICU4XLocaleFallbackIterator(capi::ICU4XLocaleFallbackerWithConfig_fallback_for_locale(this->inner.get(), locale.AsFFI()));
+}
+#endif