docs: function fixArgs (callee) {
    return (options, fn) => {
      if (typeof fn != 'function' && typeof options == 'function') {
        fn = options;
        options = {};
      }
      else {
        options = options || {};
      }
  
      options.asc = options.asc || options.asc == null;
  
      return callee(options, fn);
    };
  }