/**
 * Converts `set` to its value-value pairs.
 *
 * @private
 * @param {Object} set The set to convert.
 * @returns {Array} Returns the value-value pairs.
 */
function setToPairs(set) {
  let index = -1;
  const result = Array(set.size);

  set.forEach(value =>
    result[++index] = [value, value]
  );
  return result;
}

export default setToPairs;