duckling 0.4.0

A Rust port of Facebook's Duckling library for parsing natural language into structured data
Documentation 
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use crate::pattern::regex;
use crate::types::{Rule, TokenData};

use super::Grain;

pub fn rules() -> Vec<Rule> {
    vec![
        Rule {
            name: "second (grain)".to_string(),
            pattern: vec![regex("sek(und(er(na)?)?)?")],
            production: Box::new(|_| Some(TokenData::TimeGrain(Grain::Second))),
        },
        Rule {
            name: "minute (grain)".to_string(),
            pattern: vec![regex("min(ut(er(na)?)?)?")],
            production: Box::new(|_| Some(TokenData::TimeGrain(Grain::Minute))),
        },
        Rule {
            name: "hour (grain)".to_string(),
            pattern: vec![regex("t(imm(e(n)?|ar(na)?)?)?")],
            production: Box::new(|_| Some(TokenData::TimeGrain(Grain::Hour))),
        },
        Rule {
            name: "day (grain)".to_string(),
            pattern: vec![regex("dag(en|ar(na)?)?")],
            production: Box::new(|_| Some(TokenData::TimeGrain(Grain::Day))),
        },
        Rule {
            name: "week (grain)".to_string(),
            pattern: vec![regex("veck(or(na)?|a(n)?)?")],
            production: Box::new(|_| Some(TokenData::TimeGrain(Grain::Week))),
        },
        Rule {
            name: "month (grain)".to_string(),
            pattern: vec![regex("månad(er(na)?)?")],
            production: Box::new(|_| Some(TokenData::TimeGrain(Grain::Month))),
        },
        Rule {
            name: "quarter (grain)".to_string(),
            pattern: vec![regex("kvart(al)(et)?")],
            production: Box::new(|_| Some(TokenData::TimeGrain(Grain::Quarter))),
        },
        Rule {
            name: "year (grain)".to_string(),
            pattern: vec![regex("år(e[nt])?")],
            production: Box::new(|_| Some(TokenData::TimeGrain(Grain::Year))),
        },
    ]
}