var serialOrdered = require('./serialOrdered.js');
  
  // Public API
  module.exports = serial;
  
  /**
   * Runs iterator over provided array elements in series
   *
   * @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 {function} - jobs terminator
   */
  function serial(list, iterator, callback)
  {
    return serialOrdered(list, iterator, null, callback);
  }