Bump to v4.2.0.

spread.js

@@ -1,8 +1,14 @@
-define(['./_apply'], function(apply) {
+define(['./_apply', './_arrayPush', './rest', './toInteger'], function(apply, arrayPush, rest, toInteger) {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
 
   /** Used as the `TypeError` message for "Functions" methods. */
   var FUNC_ERROR_TEXT = 'Expected a function';
 
+  /* Built-in method references for those with the same name as other `lodash` methods. */
+  var nativeMax = Math.max;
+
   /**
    * Creates a function that invokes `func` with the `this` binding of the created
    * function and an array of arguments much like [`Function#apply`](https://es5.github.io/#x15.3.4.3).
@@ -13,6 +19,7 @@ define(['./_apply'], function(apply) {
    * @memberOf _
    * @category Function
    * @param {Function} func The function to spread arguments over.
+   * @param {number} [start=0] The start position of the spread.
    * @returns {Function} Returns the new function.
    * @example
    *
@@ -23,7 +30,6 @@ define(['./_apply'], function(apply) {
    * say(['fred', 'hello']);
    * // => 'fred says hello'
    *
-   * // with a Promise
    * var numbers = Promise.all([
    *   Promise.resolve(40),
    *   Promise.resolve(36)
@@ -34,13 +40,20 @@ define(['./_apply'], function(apply) {
    * }));
    * // => a Promise of 76
    */
-  function spread(func) {
+  function spread(func, start) {
     if (typeof func != 'function') {
       throw new TypeError(FUNC_ERROR_TEXT);
     }
-    return function(array) {
-      return apply(func, this, array);
-    };
+    start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
+    return rest(function(args) {
+      var array = args[start],
+          otherArgs = args.slice(0, start);
+
+      if (array) {
+        arrayPush(otherArgs, array);
+      }
+      return apply(func, this, otherArgs);
+    });
   }
 
   return spread;