//! Vowel-harmony nature of a Mongolian letter. Port of `word/Nature.java`.
//!//! Only the enum is needed by the unicode classifier so far. The one-way `SAARMAG -> X`
//! latch behaviour used by the word model is added in Step 3 when `LetterWord`/`ShapeWord` land.
#[derive(Copy, Clone, PartialEq, Eq, Debug)]pubenumNature{/// 阳性 (masculine)
Chagh,/// 阴性 (feminine)
Hundii,/// 中性 (neutral) — the default that latches to the first non-neutral nature seen.
Saarmag,}