From 419fb082669e6bfde90c81177ecc29c55e7e4231 Mon Sep 17 00:00:00 2001
From: jdalton <john.david.dalton@gmail.com>
Date: Thu, 11 Jun 2015 07:31:36 -0700
Subject: [PATCH] Simplify `createCache`.

---
 lodash.src.js | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lodash.src.js b/lodash.src.js
index 1167f0748..2011db9da 100644
--- a/lodash.src.js
+++ b/lodash.src.js
@@ -1901,7 +1901,7 @@
       var index = -1,
           indexOf = getIndexOf(),
           isCommon = indexOf == baseIndexOf,
-          cache = (isCommon && values.length >= LARGE_ARRAY_SIZE) ? createCache(values) : undefined,
+          cache = (isCommon && values.length >= LARGE_ARRAY_SIZE) ? createCache(values) : null,
           valuesLength = values.length;
 
       if (cache) {
@@ -2777,7 +2777,7 @@
           length = array.length,
           isCommon = indexOf == baseIndexOf,
           isLarge = isCommon && length >= LARGE_ARRAY_SIZE,
-          seen = isLarge ? createCache() : undefined,
+          seen = isLarge ? createCache() : null,
           result = [];
 
       if (seen) {
@@ -3223,9 +3223,9 @@
      * @param {Array} [values] The values to cache.
      * @returns {null|Object} Returns the new cache object if `Set` is supported, else `null`.
      */
-    var createCache = !(nativeCreate && Set) ? constant(null) : function(values) {
-      return new SetCache(values);
-    };
+    function createCache(values) {
+      return (nativeCreate && Set) ? new SetCache(values) : null;
+    }
 
     /**
      * Creates a function that produces compound words out of the words in a
@@ -5114,7 +5114,7 @@
 
       while (othIndex--) {
         var value = arrays[othIndex] = isArrayLike(value = arrays[othIndex]) ? value : [];
-        caches[othIndex] = (isCommon && value.length >= 120) ? createCache(othIndex && value) : undefined;
+        caches[othIndex] = (isCommon && value.length >= 120) ? createCache(othIndex && value) : null;
       }
       var array = arrays[0],
           index = -1,