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// Works with strings too. I am not a sadist.
/** * Remove recurring digits in a number / characters in a string. * @param {number|string} n - Number / String to rearrange.  * @returns {number|string} */
export function RemoveRecurring(n: number | string): number | string {  const res = removeDuplicates(    (typeof n === "number" ? n.toString() : n).split(""),  ).join("");  return typeof n === "number" ? Number(res) : res;};
/** * Remove duplicate values in an array. * @param {string[]} arr - Array of strings.  * @returns {string[]} */function removeDuplicates(arr: string[]): string[] {  return arr.filter((x, i) => arr.indexOf(x) === i);}
export default RemoveRecurring;