From 2d3edb88f0bfda175082a2f55cf3cda980e5e489 Mon Sep 17 00:00:00 2001
From: Raymond May Jr <raymondmay@gmail.com>
Date: Mon, 19 Mar 2012 19:08:36 -0500
Subject: [PATCH 1/3] _.size ludicrous speed improvement

---
 underscore.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/underscore.js b/underscore.js
index 21a45c0d9..ba2ee7600 100644
--- a/underscore.js
+++ b/underscore.js
@@ -309,7 +309,11 @@
 
   // Return the number of elements in an object.
   _.size = function(obj) {
-    return _.toArray(obj).length;
+      if (_.isArray(obj)) {
+	  return obj.length;
+      } else {
+	  return _.keys(obj).length;
+      }
   };
 
   // Array Functions

From 5827e4a40a5a30f7a00b2bd1ab01111510e8a2d4 Mon Sep 17 00:00:00 2001
From: Raymond May Jr <raymondmay@gmail.com>
Date: Mon, 19 Mar 2012 19:10:59 -0500
Subject: [PATCH 2/3] _.size ludicrous speed improvement - formatting

---
 underscore.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/underscore.js b/underscore.js
index ba2ee7600..6f3ac8f47 100644
--- a/underscore.js
+++ b/underscore.js
@@ -309,11 +309,11 @@
 
   // Return the number of elements in an object.
   _.size = function(obj) {
-      if (_.isArray(obj)) {
-	  return obj.length;
-      } else {
-	  return _.keys(obj).length;
-      }
+    if (_.isArray(obj)) {
+      return obj.length;
+    }else{
+      return _.keys(obj).length;
+    }
   };
 
   // Array Functions

From 4c2a85f9c5f38ce466e9b827c2f7e3024196b579 Mon Sep 17 00:00:00 2001
From: Raymond May Jr <raymondmay@gmail.com>
Date: Tue, 20 Mar 2012 09:31:50 -0500
Subject: [PATCH 3/3] size enhancement as ternary and _.size(arr) test case

---
 test/collections.js | 1 +
 underscore.js       | 6 +-----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/test/collections.js b/test/collections.js
index 71ef5a71c..18b242769 100644
--- a/test/collections.js
+++ b/test/collections.js
@@ -275,6 +275,7 @@ $(document).ready(function() {
 
   test('collections: size', function() {
     equal(_.size({one : 1, two : 2, three : 3}), 3, 'can compute the size of an object');
+    equal(_.size([1, 2, 3]), 3, 'can compute the size of an array');
   });
 
 });
diff --git a/underscore.js b/underscore.js
index 6f3ac8f47..c699c991b 100644
--- a/underscore.js
+++ b/underscore.js
@@ -309,11 +309,7 @@
 
   // Return the number of elements in an object.
   _.size = function(obj) {
-    if (_.isArray(obj)) {
-      return obj.length;
-    }else{
-      return _.keys(obj).length;
-    }
+    return _.isArray(obj) ? obj.length : _.keys(obj).length;
   };
 
   // Array Functions