Function maxLength

src/patterns.ts:869–870

(max: max)

 *   .with(P.string.maxLength(10), () => 'string with more length <= 10')
 */
const maxLength = <const max extends number>(max: max) =>
  when((value) => isString(value) && value.length <= max);

/**
 * `P.string.includes(substr)` is a pattern, matching **strings** containing `substr`.