added _.createCallback definition, added forgotten return type castings in tests

lodash/lodash-tests.ts

@@ -385,7 +385,7 @@ result = <IStoogesCombined[]>_.where(stoogesCombined, { 'quotes': ['Poifect!'] }
 var saves = ['profile', 'settings'];
 var asyncSave = (obj) => obj.done();
 
-var done = _.after(saves.length, function() {
+var done: Function = _.after(saves.length, function() {
   console.log('Done saving!');
 });
 
@@ -396,7 +396,7 @@ _.forEach(saves, function(type) {
 var funcBind = function (greeting) { return greeting + ' ' + this.name };
 // need a second var otherwise typescript thinks func signature is the above func type,
 // instead of the newly returned _bind => func type.
-var funcBind2 = _.bind(funcBind, { 'name': 'moe' }, 'hi');
+var funcBind2: () => any = _.bind(funcBind, { 'name': 'moe' }, 'hi');
 funcBind2();
 
 var view = {
@@ -404,7 +404,7 @@ var view = {
  'onClick': function() { console.log('clicked ' + this.label); }
 };
 
-_.bindAll(view);
+view = _.bindAll(view);
 jQuery('#docs').on('click', view.onClick);
 
 var objectBindKey = {
@@ -414,7 +414,7 @@ var objectBindKey = {
   }
 };
 
-var funcBindKey = _.bindKey(object, 'greet', 'hi');
+var funcBindKey: Function = _.bindKey(object, 'greet', 'hi');
 funcBindKey();
 
 objectBindKey.greet = function(greeting) {
@@ -436,10 +436,12 @@ var greet = function(formatted) {
   return 'Hiya ' + formatted + '!';
 };
 
-var welcome = _.compose(greet, format);
+var welcome: Function = _.compose(greet, format);
 welcome('curly');
 
-
+var createCallbackObj = { name: 'Joe' };
+var pluckCallback: () => any = _.createCallback('name');
+var whereCallback: () => boolean = _.createCallback(createCallbackObj);
 
 
 ////////////////////////////////////////////////////////////////////////////////////////

lodash/lodash.d.ts

@@ -1726,6 +1726,7 @@ declare module _ {
 	* @param object The object to bind and assign the bound methods to.
 	* @param methodNames The object method names to bind, specified as individual method names 
 	* or arrays of method names.
+	* @return object
 	**/
 	export function bindAll(
 		object: any,
@@ -1756,8 +1757,28 @@ declare module _ {
 	**/
 	export function compose(...funcs: Function[]): Function;
 
+	/**
+	* Produces a callback bound to an optional thisArg. If func is a property name the created 
+	* callback will return the property value for a given element. If func is an object the created 
+	* callback will return true for elements that contain the equivalent object properties, 
+	* otherwise it will return false.
+	* @param func The value to convert to a callback.
+	* @param thisArg The this binding of the created callback.
+	* @param argCount The number of arguments the callback accepts.
+	* @return A callback function.
+	**/
+	export function createCallback(
+		func: string,
+		thisArg?: any,
+		argCount?: number): () => any;
 
-
+	/**
+	* @see _.createCallback
+	**/
+	export function createCallback(
+		func: Dictionary<any>,
+		thisArg?: any,
+		argCount?: number): () => boolean;