From 0285f47f7835fd62919d72cf2d399756f86a8044 Mon Sep 17 00:00:00 2001
From: Kit Cambridge <kitcambridge@me.com>
Date: Mon, 20 Feb 2012 12:36:48 -0700
Subject: [PATCH] `_.uniq()`: Remove unused `previous` variable.

---
 underscore.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/underscore.js b/underscore.js
index 2d3ccdfd6..9b366cb5f 100644
--- a/underscore.js
+++ b/underscore.js
@@ -371,10 +371,10 @@
   // been sorted, you have the option of using a faster algorithm.
   // Aliased as `unique`.
   _.uniq = _.unique = function(array, isSorted, iterator) {
-    var results = [], previous;
+    var results = [];
     _.reduce(iterator ? _.map(array, iterator) : array, function (memo, value, index) {
       if (array.length < 3 || isSorted ? _.last(memo) !== value || !memo.length : !_.include(memo, value)) {
-        memo.push(previous = value);
+        memo.push(value);
         results.push(array[index]);
       }
       return memo;