text: import * as util from './util';
  
  /** @module */
  
  /**
   * <h3> isEmpty() ⇒ Boolean </h3>
   * Returns true if the sequence contains no elements, false otherwise.
   * @return {boolean} True if the sequence is empty; false otherwise.
   * @exception {TypeError} if the existing sequence is null or undefined when invoke via call/apply/bind.
   * @example
   * console.log(Seq.empty().isEmpty());
   * // => true
   */
  function isEmpty() {
    util.throwIfNull(this, 'this');
    return this._generator().next().done;
  }
  
  export default isEmpty;
  