var serial = require('../serial.js');
  
  // API
  module.exports = ReadableSerial;
  
  /**
   * Streaming wrapper to `asynckit.serial`
   *
   * @param   {array|object} list - array or object (named list) to iterate over
   * @param   {function} iterator - iterator to run
   * @param   {function} callback - invoked when all elements processed
   * @returns {stream.Readable#}
   */
  function ReadableSerial(list, iterator, callback)
  {
    if (!(this instanceof ReadableSerial))
    {
      return new ReadableSerial(list, iterator, callback);
    }
  
    // turn on object mode
    ReadableSerial.super_.call(this, {objectMode: true});
  
    this._start(serial, list, iterator, callback);
  }