From 67b6d3d5ea7d8ed7127f7f9129660510f9292716 Mon Sep 17 00:00:00 2001
From: James Halliday <substack@gmail.com>
Date: Wed, 8 Sep 2010 16:39:38 -0800
Subject: [PATCH] take out memoization since it breaks if the hash gets
 modified outside the fluent interface

---
 lib/hash.js | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/lib/hash.js b/lib/hash.js
index 73be18d..a2e25eb 100644
--- a/lib/hash.js
+++ b/lib/hash.js
@@ -80,20 +80,13 @@ function Hash (hash, xs) {
         items : hash
     };
     
-    var memoized = {};
     Object.defineProperty(self, 'keys', { get : function () {
-        if (memoized.keys === undefined) {
-            memoized.keys = Object.keys(hash);
-        }
-        return memoized.keys
+        return Object.keys(hash);
     } });
     
     Object.defineProperty(self, 'values', { get : function () {
-        if (memoized.values === undefined) {
-            memoized.values = Object.keys(hash)
-                .map(function (key) { return hash[key] });
-        }
-        return memoized.values;
+        return Object.keys(hash)
+            .map(function (key) { return hash[key] });
     } });
     
     Object.defineProperty(self, 'compact', { get : function () {
@@ -109,10 +102,7 @@ function Hash (hash, xs) {
     } });
     
     Object.defineProperty(self, 'length', { get : function () {
-        if (memoized.length === undefined) {
-            memoized.length = Object.keys(hash).length;
-        }
-        return memoized.length;
+        return Object.keys(hash).length;
     } });
     
     return self;