Function stampValidate

src/common/stamps.ts:79–88

(
  stamp: Stamp<any, true>,
  validateThing: (thing: any) => boolean,
)

): Stamp<IdObj<To>> => stampNew(mapToObj(map, mapper), hlc);

export const stampValidate = (
  stamp: Stamp<any, true>,
  validateThing: (thing: any) => boolean,
) =>
  isArray(stamp) &&
  size(stamp) == 3 &&
  isString(stamp[1]) &&
  isNumber(stamp[2]) &&
  isFiniteNumber(stamp[2]) &&
  validateThing(stamp[0]);