aureooms/js-permutation

import {_used} from './_used.js';

/**
 * Generates an helper array of given size (used in {@link _cycle}, {@link cycle}).
 *
 * @param {number} n The given size.
 * @returns {Array} The helper array of prescribed size.
 */
export function used(n) {
    const array = new Array(n);

    _used(n, array);

    return array;
}