From 70ff4da3eee5250de662c8faa3d5eb6399a48a09 Mon Sep 17 00:00:00 2001
From: Bo Miller <rpmiller@beckman.com>
Date: Tue, 29 Jul 2014 23:49:35 -0400
Subject: [PATCH]  Underscore.js: Updated chained calls to first() so that they
 return a _ChainSingle<T> instead of _Chain<T>. This causes a future call to
 value() to return a single T rather than an array of T which matches
 underscore's behavior.

---
 underscore/underscore-tests.ts | 4 ++++
 underscore/underscore.d.ts     | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/underscore/underscore-tests.ts b/underscore/underscore-tests.ts
index 11624abeb1..8b638ee508 100644
--- a/underscore/underscore-tests.ts
+++ b/underscore/underscore-tests.ts
@@ -328,4 +328,8 @@ function chain_tests() {
 		.flatten()
 		.find(num => num % 2 == 0)
 		.value();
+		
+	var firstVal: number = _.chain([1, 2, 3])
+		.first()
+		.value();
 }
diff --git a/underscore/underscore.d.ts b/underscore/underscore.d.ts
index 5b64aceb13..7d9c84f826 100644
--- a/underscore/underscore.d.ts
+++ b/underscore/underscore.d.ts
@@ -2620,7 +2620,7 @@ interface _Chain<T> {
 	* Wrapped type `any[]`.
 	* @see _.first
 	**/
-	first(): _Chain<T>;
+	first(): _ChainSingle<T>;
 
 	/**
 	* Wrapped type `any[]`.