code: function at(collection) {
        var args = arguments,
            index = -1,
            props = baseFlatten(args, true, false, 1),
            length = (args[2] && args[2][args[1]] === collection) ? 1 : props.length,
            result = Array(length);
  
        while(++index < length) {
          result[index] = collection[props[index]];
        }
        return result;
      }
docs: /*-------------------------------------------------------------------------- 
  Creates an array of elements from the specified indexes, or keys, of the
  `collection`. Indexes may be specified as individual arguments or as arrays
  of indexes.
  
  @static
  @memberOf _
  @category Collections
  @param {Array|Object|string} collection The collection to iterate over.
  @param {...(number|number[]|string|string[])} [index] The indexes of `collection`
  to retrieve, specified as individual indexes or arrays of indexes.
  @returns {Array} Returns a new array of elements corresponding to the
  provided indexes.
  @example
  
  _.at(['a', 'b', 'c', 'd', 'e'], [0, 2, 4]);
  // => ['a', 'c', 'e']
  
  _.at(['fred', 'barney', 'pebbles'], 0, 2);
  // => ['fred', 'pebbles']