Method compare

lib/token.js:271–274

* Returns 0 if the values are equal, otherwise compares against * start, if start is equal, compares against end. * * @param {TokenRange} other Range to compare with. * @returns {Number}

(other)

   * @returns {Number} 
   */
  compare(other) {
    const compareStart = this.start.compare(other.start);
    return compareStart !== 0 ? compareStart : this.end.compare(other.end);
  }

  toString() {
    return util.format(']%s, %s]',