tiny-types
Version:
A tiny library that brings Tiny Types to JavaScript and TypeScript
20 lines (19 loc) • 540 B
TypeScript
import { Predicate } from './Predicate';
/**
* @desc Ensures that the `value` is equal to one of the `allowedValues`
*
* @example
* import { ensure, isOneOf, TinyType } from 'tiny-types';
*
* class StreetLight extends TinyType {
* constructor(public readonly value: string) {
* super();
*
* ensure('StreetLight', value, isOneOf('red', 'yellow', 'green'));
* }
* }
*
* @param {...T[]} allowedValues
* @returns {Predicate<T>}
*/
export declare function isOneOf<T>(...allowedValues: T[]): Predicate<T>;