added _(...).after definition

lodash/lodash-tests.ts

@@ -413,8 +413,9 @@ result = <IStoogesCombined[]>_.where(stoogesCombined, { 'quotes': ['Poifect!'] }
  *************/
 var saves = ['profile', 'settings'];
 var asyncSave = (obj) => obj.done();
+var done: Function;
 
-var done: Function = _.after(saves.length, function() {
+done = _.after(saves.length, function() {
   console.log('Done saving!');
 });
 
@@ -422,6 +423,14 @@ _.forEach(saves, function(type) {
   asyncSave({ 'type': type, 'complete': done });
 });
 
+done = _(function() {
+  console.log('Done saving!');
+}).after(saves.length);
+
+_.forEach(saves, function(type) {
+  asyncSave({ 'type': type, 'complete': done });
+});
+
 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.

lodash/lodash.d.ts

@@ -1880,6 +1880,13 @@ declare module _ {
 		n: number,
 		func: Function): Function;
 
+		interface LoDashWrapper<T> {
+			/**
+			* @see _.after
+			**/
+			after(n: number): Function;
+		}
+
 	/**
 	* Creates a function that, when called, invokes func with the this binding of thisArg 
 	* and prepends any additional bind arguments to those provided to the bound function.