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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).

// Provider structs must be stable
#![allow(clippy::exhaustive_structs, clippy::exhaustive_enums)]

//! Data provider struct definitions for this ICU4X component.
//!
//! Read more about data providers: [`icu_provider`]

use icu_provider::prelude::*;
use zerotrie::ZeroTrieSimpleAscii;
use zerovec::ZeroVec;

#[cfg(feature = "compiled_data")]
/// Baked data
///
/// <div class="stab unstable">
/// 🚧 This code is considered unstable; it may change at any time, in breaking or non-breaking ways,
/// including in SemVer minor releases. In particular, the `DataProvider` implementations are only
/// guaranteed to match with this version's `*_unstable` providers. Use with caution.
/// </div>
pub use crate::provider::Baked;

/// This type encapsulates all the constant data required for unit conversions.
///
/// <div class="stab unstable">
/// 🚧 This code is considered unstable; it may change at any time, in breaking or non-breaking ways,
/// including in SemVer minor releases. While the serde representation of data structs is guaranteed
/// to be stable, their Rust representation might not be. Use with caution.
/// </div>
#[icu_provider::data_struct(marker(UnitsTrieV1Marker, "units/trie@1", singleton))]
#[derive(Clone, PartialEq, Debug)]
#[cfg_attr(feature = "datagen", derive(serde::Serialize, databake::Bake))]
#[cfg_attr(feature = "datagen", databake(path = icu_experimental::measure::provider::trie))]
#[cfg_attr(feature = "serde", derive(serde::Deserialize))]
pub struct UnitsTrieV1<'data> {
    // TODO: remove this field from units/provider::UnitsInfoV1 once the `MeasureUnit` is fully used in the measurement units.
    /// Maps from unit name (e.g. foot or meter) to its unit id. this id can be used to retrieve the conversion information from the `UnitsInfoV1`.
    #[cfg_attr(feature = "serde", serde(borrow))]
    pub trie: ZeroTrieSimpleAscii<ZeroVec<'data, u8>>,
}