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Implement AsULE for PluralCategory #4496

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Dec 27, 2023
Merged

Implement AsULE for PluralCategory #4496

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26da38c
Implement AsULE for PluralCategory
sffc Dec 27, 2023
700e226
fmt
sffc Dec 27, 2023
e2371c1
Add ULE type to allowlist
sffc Dec 27, 2023
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14 changes: 8 additions & 6 deletions components/plurals/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,8 @@ pub enum PluralRuleType {
#[derive(Debug, PartialEq, Eq, Clone, Copy, Hash, Ord, PartialOrd)]
#[cfg_attr(feature = "datagen", derive(serde::Serialize))]
#[cfg_attr(feature = "serde", derive(serde::Deserialize))]
#[repr(u8)]
#[zerovec::make_ule(PluralCategoryULE)]
#[allow(clippy::exhaustive_enums)] // this type is mostly stable. new categories may potentially be added in the future,
// but at a cadence slower than the ICU4X release cycle
pub enum PluralCategory {
Expand All @@ -160,7 +162,7 @@ pub enum PluralCategory {
///
/// - 0 in Arabic (ar), Latvian (lv)
/// - 10~20, 30, 40, 50, ... in Latvian (lv)
Zero,
Zero = 0,
/// CLDR "one" plural category. Signifies the singular form in many languages.
///
/// Examples of numbers having this category:
Expand All @@ -169,14 +171,14 @@ pub enum PluralCategory {
/// - 1 in English (en) and most other languages
/// - 2.1 in Filipino (fil), Croatian (hr), Latvian (lv), Serbian (sr)
/// - 2, 3, 5, 7, 8, ... in Filipino (fil)
One,
One = 1,
/// CLDR "two" plural category. Used in Arabic, Hebrew, and Slovenian, among others.
///
/// Examples of numbers having this category:
///
/// - 2 in Arabic (ar), Hebrew (iw), Slovenian (sl)
/// - 2.0 in Arabic (ar)
Two,
Two = 2,
/// CLDR "few" plural category. Used in Romanian, Polish, Russian, and others.
///
/// Examples of numbers having this category:
Expand All @@ -185,7 +187,7 @@ pub enum PluralCategory {
/// - 1.2 in Croatian (hr), Romanian (ro), Slovenian (sl), Serbian (sr)
/// - 2 in Polish (pl), Russian (ru), Czech (cs), ...
/// - 5 in Arabic (ar), Lithuanian (lt), Romanian (ro)
Few,
Few = 3,
/// CLDR "many" plural category. Used in Polish, Russian, Ukrainian, and others.
///
/// Examples of numbers having this category:
Expand All @@ -194,7 +196,7 @@ pub enum PluralCategory {
/// - 1.0 in Czech (cs), Slovak (sk)
/// - 1.1 in Czech (cs), Lithuanian (lt), Slovak (sk)
/// - 15 in Arabic (ar), Polish (pl), Russian (ru), Ukrainian (uk)
Many,
Many = 4,
/// CLDR "other" plural category, used as a catch-all. Each language supports it, and it
/// is also used as a fail safe result for in case no better match can be identified.
///
Expand All @@ -206,7 +208,7 @@ pub enum PluralCategory {
/// - 0 in English (en), German (de), Spanish (es), ...
/// - 1 in Japanese (ja), Korean (ko), Chinese (zh), Thai (th), ...
/// - 2 in English (en), German (de), Spanish (es), ...
Other,
Other = 5,
}

impl PluralCategory {
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3 changes: 3 additions & 0 deletions tools/ffi_coverage/src/allowlist.rs
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Expand Up @@ -399,6 +399,9 @@ lazy_static::lazy_static! {
"icu::timezone::Error",
"icu::transliterator::Error",

// ULE types that are not in provider modules
"icu::plurals::PluralCategoryULE",

// "Internal" trait that should never be called directly
"icu::calendar::Calendar",
// Rust-specific calendar wrapper stuff
Expand Down