From de50fc460760efa34bccb74b2c8a65005e567fd2 Mon Sep 17 00:00:00 2001
From: Aseem Kishore <aseem.kishore@gmail.com>
Date: Fri, 25 Mar 2011 12:06:10 -0700
Subject: [PATCH 1/2] Add test case for invoke w/ function reference.

---
 test/collections.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/collections.js b/test/collections.js
index 442b205f1..69b98c2ac 100644
--- a/test/collections.js
+++ b/test/collections.js
@@ -154,6 +154,13 @@ $(document).ready(function() {
     equals(result[1].join(', '), '1, 2, 3', 'second array sorted');
   });
 
+  test('collections: invoke w/ function reference', function() {
+    var list = [[5, 1, 7], [3, 2, 1]];
+    var result = _.invoke(list, Array.prototype.sort);
+    equals(result[0].join(', '), '1, 5, 7', 'first array sorted');
+    equals(result[1].join(', '), '1, 2, 3', 'second array sorted');
+  });
+
   test('collections: pluck', function() {
     var people = [{name : 'moe', age : 30}, {name : 'curly', age : 50}];
     equals(_.pluck(people, 'name').join(', '), 'moe, curly', 'pulls names out of objects');

From 3f512c2495c7d47e588d224771433770c54d9952 Mon Sep 17 00:00:00 2001
From: aseemk <aseem.kishore@gmail.com>
Date: Fri, 25 Mar 2011 12:35:11 -0700
Subject: [PATCH 2/2] Add support for _.invoke() to take function reference.

---
 underscore-min.js | 38 +++++++++++++++++++-------------------
 underscore.js     |  2 +-
 2 files changed, 20 insertions(+), 20 deletions(-)

diff --git a/underscore-min.js b/underscore-min.js
index 3de58cdff..6fb7a6b64 100644
--- a/underscore-min.js
+++ b/underscore-min.js
@@ -5,22 +5,22 @@
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+if(b.isDate(a)&&b.isDate(c))return a.getTime()===c.getTime();if(b.isNaN(a)&&b.isNaN(c))return!1;if(b.isRegExp(a)&&b.isRegExp(c))return a.source===c.source&&a.global===c.global&&a.ignoreCase===c.ignoreCase&&a.multiline===c.multiline;if(d!=="object")return!1;if(a.length&&a.length!==c.length)return!1;d=b.keys(a);var e=b.keys(c);if(d.length!=e.length)return!1;for(var f in a)if(!(f in c)||!b.isEqual(a[f],c[f]))return!1;return!0};b.isEmpty=function(a){if(b.isArray(a)||b.isString(a))return a.length===0;
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diff --git a/underscore.js b/underscore.js
index 259a4f310..600a5c682 100644
--- a/underscore.js
+++ b/underscore.js
@@ -208,7 +208,7 @@
   _.invoke = function(obj, method) {
     var args = slice.call(arguments, 2);
     return _.map(obj, function(value) {
-      return (method ? value[method] : value).apply(value, args);
+      return (typeof method === "string" ? value[method] : method || value).apply(value, args);
     });
   };