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//! Swahili (`sw`): the bare-tag alias of [`sw_ke`](crate::sw_ke).
//!
//! `sw` resolves to `sw-KE`, currently the only Swahili variant this crate
//! implements. This entry point exists so the language can be addressed
//! without a region subtag; it is not a claim that `sw-KE` speaks for every
//! Swahili-speaking region. Cardinal and ordinal are `sw_ke`'s own functions.
//! Currency is the one form a bare tag can't forward untouched: a language
//! has no country to take a default currency from, so [`to_currency`] takes
//! the currency explicitly.
//!
//! ```
//! use n2words::{sw, Currency};
//!
//! assert_eq!(sw::to_cardinal(42)?, "arobaini na mbili");
//! assert_eq!(sw::to_ordinal(42)?, "wa arobaini na mbili");
//! assert_eq!(
//! sw::to_currency(42.5, Currency::KES)?,
//! "shilingi arobaini na mbili na senti hamsini"
//! );
//! # Ok::<(), n2words::Error>(())
//! ```
use crate::Result;
use crate::currency::Currency;
use crate::currency::vocab::SW as CURRENCY_VOCAB;
use crate::language::{Kind, Language, form};
use crate::number::Number;
use crate::options::options;
use crate::sw_ke;
pub use crate::sw_ke::{CARDINAL_MAX, CURRENCY_MAX, ORDINAL_MAX, to_cardinal, to_ordinal};
/// The variant this alias resolves to.
pub const ALIAS_OF: &str = "sw-KE";
options! {
/// Options for [`to_currency_with`]: `sw_ke`'s, with `currency` required.
pub struct CurrencyOptions {
required
/// ISO 4217 currency code to name the amount in
currency: Currency, table = CURRENCY_VOCAB;
}
}
/// Spells an amount in the given currency, with Swahili's wording.
///
/// # Errors
///
/// As [`sw_ke::to_currency_with`].
pub fn to_currency<'a>(value: impl Into<Number<'a>>, currency: Currency) -> Result<String> {
to_currency_with(value, &CurrencyOptions::new(currency))
}
/// Spells an amount in the given currency, with options.
///
/// ```
/// # use n2words::{sw::{to_currency_with, CurrencyOptions}, Currency};
/// let opts = CurrencyOptions::new(Currency::KES);
/// assert_eq!(to_currency_with(1.5, &opts)?, "shilingi moja na senti hamsini");
/// # Ok::<(), n2words::Error>(())
/// ```
///
/// # Errors
///
/// As [`sw_ke::to_currency_with`].
pub fn to_currency_with<'a>(
value: impl Into<Number<'a>>,
options: &CurrencyOptions,
) -> Result<String> {
sw_ke::to_currency_with(
value,
&sw_ke::CurrencyOptions {
currency: options.currency,
},
)
}
/// Registry entry for `sw`.
pub static LANGUAGE: Language = Language {
code: "sw",
name: "Swahili",
kind: Kind::Alias { target: ALIAS_OF },
cardinal: Some(form!(plain to_cardinal, CARDINAL_MAX)),
ordinal: Some(form!(plain to_ordinal, ORDINAL_MAX)),
currency: Some(form!(with_options to_currency_with, CurrencyOptions, CURRENCY_MAX)),
};