From bce8314e0b38c25ba3ffbc40e5d11bfda7d672aa Mon Sep 17 00:00:00 2001
From: Cyrus Najmabadi <cyrusn@microsoft.com>
Date: Thu, 4 Dec 2014 13:11:42 -0800
Subject: [PATCH] 
Don't return the last falsy value when forEach'ing over an
 array.

---
 src/compiler/core.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index 6bbf9a13d03..8dfc0d59ea9 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -28,15 +28,15 @@ module ts {
     export interface StringSet extends Map<any> { }
 
     export function forEach<T, U>(array: T[], callback: (element: T) => U): U {
-        var result: U;
         if (array) {
             for (var i = 0, len = array.length; i < len; i++) {
-                if (result = callback(array[i])) {
-                    break;
+                var result = callback(array[i]);
+                if (result) {
+                    return result;
                 }
             }
         }
-        return result;
+        return undefined;
     }
 
     export function contains<T>(array: T[], value: T): boolean {