Bump to v4.0.0.

flow.js

@@ -0,0 +1,25 @@
+import createFlow from './internal/createFlow';
+
+/**
+ * Creates a function that returns the result of invoking the provided
+ * functions with the `this` binding of the created function, where each
+ * successive invocation is supplied the return value of the previous.
+ *
+ * @static
+ * @memberOf _
+ * @category Util
+ * @param {...(Function|Function[])} [funcs] Functions to invoke.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * function square(n) {
+ *   return n * n;
+ * }
+ *
+ * var addSquare = _.flow(_.add, square);
+ * addSquare(1, 2);
+ * // => 9
+ */
+var flow = createFlow();
+
+export default flow;