Bump to v4.0.0.

at.js

@@ -0,0 +1,29 @@
+import baseAt from './internal/baseAt';
+import baseFlatten from './internal/baseFlatten';
+import rest from './rest';
+
+/**
+ * Creates an array of values corresponding to `paths` of `object`.
+ *
+ * @static
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to iterate over.
+ * @param {...(string|string[])} [paths] The property paths of elements to pick,
+ *  specified individually or in arrays.
+ * @returns {Array} Returns the new array of picked elements.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+ *
+ * _.at(object, ['a[0].b.c', 'a[1]']);
+ * // => [3, 4]
+ *
+ * _.at(['a', 'b', 'c'], 0, 2);
+ * // => ['a', 'c']
+ */
+var at = rest(function(object, paths) {
+  return baseAt(object, baseFlatten(paths));
+});
+
+export default at;